matter_clusters/gen/

electrical_power_measurement.rs

//! ElectricalPowerMeasurement cluster (0x0090).
//! @generated by `cargo xtask codegen` — do not edit.

#![allow(
    clippy::all,
    clippy::pedantic,
    dead_code,
    unreachable_pub,
    unused_imports
)]

use crate::datatypes::SemanticTagStruct;
use crate::error::ClusterError;
use crate::types::Nullable;
use matter_codec::{ContainerKind, Element, Tag, TlvReader, TlvWriter, Value};

/// Cluster ID.
pub const CLUSTER_ID: u32 = 0x0090;
/// Cluster revision.
pub const CLUSTER_REVISION: u16 = 3;

/// Command IDs (requests and responses).
pub mod command_id {}

/// Attribute IDs (cluster-specific).
pub mod attribute_id {
    /// `PowerMode`.
    pub const POWER_MODE: u32 = 0x0000;
    /// `NumberOfMeasurementTypes`.
    pub const NUMBER_OF_MEASUREMENT_TYPES: u32 = 0x0001;
    /// `Accuracy`.
    pub const ACCURACY: u32 = 0x0002;
    /// `Ranges`.
    pub const RANGES: u32 = 0x0003;
    /// `Voltage`.
    pub const VOLTAGE: u32 = 0x0004;
    /// `ActiveCurrent`.
    pub const ACTIVE_CURRENT: u32 = 0x0005;
    /// `ReactiveCurrent`.
    pub const REACTIVE_CURRENT: u32 = 0x0006;
    /// `ApparentCurrent`.
    pub const APPARENT_CURRENT: u32 = 0x0007;
    /// `ActivePower`.
    pub const ACTIVE_POWER: u32 = 0x0008;
    /// `ReactivePower`.
    pub const REACTIVE_POWER: u32 = 0x0009;
    /// `ApparentPower`.
    pub const APPARENT_POWER: u32 = 0x000A;
    /// `RmsVoltage`.
    pub const RMS_VOLTAGE: u32 = 0x000B;
    /// `RmsCurrent`.
    pub const RMS_CURRENT: u32 = 0x000C;
    /// `RmsPower`.
    pub const RMS_POWER: u32 = 0x000D;
    /// `Frequency`.
    pub const FREQUENCY: u32 = 0x000E;
    /// `HarmonicCurrents`.
    pub const HARMONIC_CURRENTS: u32 = 0x000F;
    /// `HarmonicPhases`.
    pub const HARMONIC_PHASES: u32 = 0x0010;
    /// `PowerFactor`.
    pub const POWER_FACTOR: u32 = 0x0011;
    /// `NeutralCurrent`.
    pub const NEUTRAL_CURRENT: u32 = 0x0012;
}

bitflags::bitflags! {
    /// `ElectricalPowerMeasurement` feature bits (FeatureMap).
    #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
    pub struct Feature: u32 {
        /// DirectCurrent (DIRC).
        const DIRC = 1 << 0;
        /// AlternatingCurrent (ALTC).
        const ALTC = 1 << 1;
        /// PolyphasePower (POLY).
        const POLY = 1 << 2;
        /// Harmonics (HARM).
        const HARM = 1 << 3;
        /// PowerQuality (PWRQ).
        const PWRQ = 1 << 4;
    }
}

/// `HarmonicMeasurementStruct` struct.
#[derive(Clone, Debug, PartialEq)]
#[non_exhaustive]
pub struct HarmonicMeasurementStruct {
    /// Field Order (tag 0).
    pub order: u8,
    /// Field Measurement (tag 1).
    pub measurement: Nullable<i64>,
}

/// `MeasurementAccuracyRangeStruct` struct.
#[derive(Clone, Debug, PartialEq)]
#[non_exhaustive]
pub struct MeasurementAccuracyRangeStruct {
    /// Field RangeMin (tag 0).
    pub range_min: i64,
    /// Field RangeMax (tag 1).
    pub range_max: i64,
    /// Field PercentMax (tag 2).
    pub percent_max: Option<u16>,
    /// Field PercentMin (tag 3).
    pub percent_min: Option<u16>,
    /// Field PercentTypical (tag 4).
    pub percent_typical: Option<u16>,
    /// Field FixedMax (tag 5).
    pub fixed_max: Option<u64>,
    /// Field FixedMin (tag 6).
    pub fixed_min: Option<u64>,
    /// Field FixedTypical (tag 7).
    pub fixed_typical: Option<u64>,
}

/// `MeasurementAccuracyStruct` struct.
#[derive(Clone, Debug, PartialEq)]
#[non_exhaustive]
pub struct MeasurementAccuracyStruct {
    /// Field MeasurementType (tag 0).
    pub measurement_type: MeasurementTypeEnum,
    /// Field Measured (tag 1).
    pub measured: bool,
    /// Field MinMeasuredValue (tag 2).
    pub min_measured_value: i64,
    /// Field MaxMeasuredValue (tag 3).
    pub max_measured_value: i64,
    /// Field AccuracyRanges (tag 4).
    pub accuracy_ranges: Vec<MeasurementAccuracyRangeStruct>,
}

/// `MeasurementRangeStruct` struct.
#[derive(Clone, Debug, PartialEq)]
#[non_exhaustive]
pub struct MeasurementRangeStruct {
    /// Field MeasurementType (tag 0).
    pub measurement_type: MeasurementTypeEnum,
    /// Field Min (tag 1).
    pub min: i64,
    /// Field Max (tag 2).
    pub max: i64,
    /// Field StartTimestamp (tag 3).
    pub start_timestamp: Option<u32>,
    /// Field EndTimestamp (tag 4).
    pub end_timestamp: Option<u32>,
    /// Field MinTimestamp (tag 5).
    pub min_timestamp: Option<u32>,
    /// Field MaxTimestamp (tag 6).
    pub max_timestamp: Option<u32>,
    /// Field StartSystime (tag 7).
    pub start_systime: Option<u64>,
    /// Field EndSystime (tag 8).
    pub end_systime: Option<u64>,
    /// Field MinSystime (tag 9).
    pub min_systime: Option<u64>,
    /// Field MaxSystime (tag 10).
    pub max_systime: Option<u64>,
}

/// `MeasurementTypeEnum` (enum16).
#[derive(Copy, Clone, Debug, PartialEq, Eq)]
pub enum MeasurementTypeEnum {
    /// Unspecified = 0.
    Unspecified,
    /// Voltage = 1.
    Voltage,
    /// ActiveCurrent = 2.
    ActiveCurrent,
    /// ReactiveCurrent = 3.
    ReactiveCurrent,
    /// ApparentCurrent = 4.
    ApparentCurrent,
    /// ActivePower = 5.
    ActivePower,
    /// ReactivePower = 6.
    ReactivePower,
    /// ApparentPower = 7.
    ApparentPower,
    /// RmsVoltage = 8.
    RmsVoltage,
    /// RmsCurrent = 9.
    RmsCurrent,
    /// RmsPower = 10.
    RmsPower,
    /// Frequency = 11.
    Frequency,
    /// PowerFactor = 12.
    PowerFactor,
    /// NeutralCurrent = 13.
    NeutralCurrent,
    /// ElectricalEnergy = 14.
    ElectricalEnergy,
    /// ReactiveEnergy = 15.
    ReactiveEnergy,
    /// ApparentEnergy = 16.
    ApparentEnergy,
    /// A value not known to this codegen revision.
    Unknown(u16),
}

impl MeasurementTypeEnum {
    /// Decode from its raw discriminant (unknown → `Unknown`).
    #[must_use]
    pub fn from_raw(v: u16) -> Self {
        match v {
            0 => Self::Unspecified,
            1 => Self::Voltage,
            2 => Self::ActiveCurrent,
            3 => Self::ReactiveCurrent,
            4 => Self::ApparentCurrent,
            5 => Self::ActivePower,
            6 => Self::ReactivePower,
            7 => Self::ApparentPower,
            8 => Self::RmsVoltage,
            9 => Self::RmsCurrent,
            10 => Self::RmsPower,
            11 => Self::Frequency,
            12 => Self::PowerFactor,
            13 => Self::NeutralCurrent,
            14 => Self::ElectricalEnergy,
            15 => Self::ReactiveEnergy,
            16 => Self::ApparentEnergy,
            other => Self::Unknown(other),
        }
    }
    /// The raw discriminant.
    #[must_use]
    pub fn to_raw(self) -> u16 {
        match self {
            Self::Unspecified => 0,
            Self::Voltage => 1,
            Self::ActiveCurrent => 2,
            Self::ReactiveCurrent => 3,
            Self::ApparentCurrent => 4,
            Self::ActivePower => 5,
            Self::ReactivePower => 6,
            Self::ApparentPower => 7,
            Self::RmsVoltage => 8,
            Self::RmsCurrent => 9,
            Self::RmsPower => 10,
            Self::Frequency => 11,
            Self::PowerFactor => 12,
            Self::NeutralCurrent => 13,
            Self::ElectricalEnergy => 14,
            Self::ReactiveEnergy => 15,
            Self::ApparentEnergy => 16,
            Self::Unknown(v) => v,
        }
    }
}

/// `PowerModeEnum` (enum8).
#[derive(Copy, Clone, Debug, PartialEq, Eq)]
pub enum PowerModeEnum {
    /// Unknown = 0.
    Unknown,
    /// Dc = 1.
    Dc,
    /// Ac = 2.
    Ac,
    /// A value not known to this codegen revision.
    Unrecognized(u8),
}

impl PowerModeEnum {
    /// Decode from its raw discriminant (unknown → `Unrecognized`).
    #[must_use]
    pub fn from_raw(v: u8) -> Self {
        match v {
            0 => Self::Unknown,
            1 => Self::Dc,
            2 => Self::Ac,
            other => Self::Unrecognized(other),
        }
    }
    /// The raw discriminant.
    #[must_use]
    pub fn to_raw(self) -> u8 {
        match self {
            Self::Unknown => 0,
            Self::Dc => 1,
            Self::Ac => 2,
            Self::Unrecognized(v) => v,
        }
    }
}

impl HarmonicMeasurementStruct {
    /// Decode the fields of an already-opened anonymous structure
    /// (reader positioned after the struct start; consumes to its end).
    ///
    /// # Errors
    /// Returns [`ClusterError`] on a malformed structure or missing required field.
    pub fn decode_from(r: &mut TlvReader<'_>) -> Result<Self, ClusterError> {
        let mut f_order: Option<u8> = None;
        let mut f_measurement: Option<Nullable<i64>> = None;
        loop {
            match r.next()? {
                Some(Element::ContainerEnd) => break,
                Some(Element::Scalar {
                    tag: Tag::Context(0),
                    value: Value::Uint(v),
                }) => {
                    f_order =
                        Some(u8::try_from(v).map_err(|_| ClusterError::InvalidLength("Order"))?)
                }
                Some(Element::Scalar {
                    tag: Tag::Context(1),
                    value: Value::Null,
                }) => f_measurement = Some(Nullable::Null),
                Some(Element::Scalar {
                    tag: Tag::Context(1),
                    value: Value::Int(v),
                }) => {
                    f_measurement = Some(Nullable::Value(
                        i64::try_from(v).map_err(|_| ClusterError::InvalidLength("Measurement"))?,
                    ))
                }
                None => return Err(ClusterError::Tlv(matter_codec::Error::UnclosedContainer)),
                Some(Element::ContainerStart { .. }) => r.skip_container()?,
                Some(_) => {} // unknown/future scalar — skip
            }
        }
        Ok(Self {
            order: f_order.ok_or(ClusterError::MissingField("Order"))?,
            measurement: f_measurement.ok_or(ClusterError::MissingField("Measurement"))?,
        })
    }
    /// Decode from a standalone anonymous TLV structure.
    ///
    /// # Errors
    /// Returns [`ClusterError`] if the bytes are not an anonymous structure or a field is malformed.
    pub fn decode(tlv: &[u8]) -> Result<Self, ClusterError> {
        let mut r = TlvReader::new(tlv);
        match r.next()? {
            Some(Element::ContainerStart {
                kind: ContainerKind::Structure,
                ..
            }) => {}
            _ => {
                return Err(ClusterError::UnexpectedType {
                    context: "HarmonicMeasurementStruct",
                })
            }
        }
        Self::decode_from(&mut r)
    }
    /// Write this struct's fields into an already-open container.
    #[allow(clippy::expect_used)] // Vec-backed TlvWriter is infallible.
    pub fn write_fields(&self, w: &mut TlvWriter<'_>) {
        w.put_uint(Tag::Context(0), u64::from(self.order))
            .expect("infallible: vec writer");
        match &self.measurement {
            Nullable::Null => w.put_null(Tag::Context(1)).expect("infallible: vec writer"),
            Nullable::Value(measurement) => {
                w.put_int(Tag::Context(1), i64::from(*measurement))
                    .expect("infallible: vec writer");
            }
        }
    }
    /// Encode as a standalone anonymous TLV structure.
    #[must_use]
    #[allow(clippy::expect_used)] // Vec-backed TlvWriter is infallible.
    pub fn encode(&self) -> Vec<u8> {
        let mut buf = Vec::new();
        let mut w = TlvWriter::new(&mut buf);
        w.start_structure(Tag::Anonymous)
            .expect("infallible: vec writer");
        self.write_fields(&mut w);
        w.end_container().expect("infallible: vec writer");
        buf
    }
}

impl MeasurementAccuracyRangeStruct {
    /// Decode the fields of an already-opened anonymous structure
    /// (reader positioned after the struct start; consumes to its end).
    ///
    /// # Errors
    /// Returns [`ClusterError`] on a malformed structure or missing required field.
    pub fn decode_from(r: &mut TlvReader<'_>) -> Result<Self, ClusterError> {
        let mut f_range_min: Option<i64> = None;
        let mut f_range_max: Option<i64> = None;
        let mut f_percent_max: Option<u16> = None;
        let mut f_percent_min: Option<u16> = None;
        let mut f_percent_typical: Option<u16> = None;
        let mut f_fixed_max: Option<u64> = None;
        let mut f_fixed_min: Option<u64> = None;
        let mut f_fixed_typical: Option<u64> = None;
        loop {
            match r.next()? {
                Some(Element::ContainerEnd) => break,
                Some(Element::Scalar {
                    tag: Tag::Context(0),
                    value: Value::Int(v),
                }) => {
                    f_range_min = Some(
                        i64::try_from(v).map_err(|_| ClusterError::InvalidLength("RangeMin"))?,
                    )
                }
                Some(Element::Scalar {
                    tag: Tag::Context(1),
                    value: Value::Int(v),
                }) => {
                    f_range_max = Some(
                        i64::try_from(v).map_err(|_| ClusterError::InvalidLength("RangeMax"))?,
                    )
                }
                Some(Element::Scalar {
                    tag: Tag::Context(2),
                    value: Value::Uint(v),
                }) => {
                    f_percent_max = Some(
                        u16::try_from(v).map_err(|_| ClusterError::InvalidLength("PercentMax"))?,
                    )
                }
                Some(Element::Scalar {
                    tag: Tag::Context(3),
                    value: Value::Uint(v),
                }) => {
                    f_percent_min = Some(
                        u16::try_from(v).map_err(|_| ClusterError::InvalidLength("PercentMin"))?,
                    )
                }
                Some(Element::Scalar {
                    tag: Tag::Context(4),
                    value: Value::Uint(v),
                }) => {
                    f_percent_typical = Some(
                        u16::try_from(v)
                            .map_err(|_| ClusterError::InvalidLength("PercentTypical"))?,
                    )
                }
                Some(Element::Scalar {
                    tag: Tag::Context(5),
                    value: Value::Uint(v),
                }) => {
                    f_fixed_max = Some(
                        u64::try_from(v).map_err(|_| ClusterError::InvalidLength("FixedMax"))?,
                    )
                }
                Some(Element::Scalar {
                    tag: Tag::Context(6),
                    value: Value::Uint(v),
                }) => {
                    f_fixed_min = Some(
                        u64::try_from(v).map_err(|_| ClusterError::InvalidLength("FixedMin"))?,
                    )
                }
                Some(Element::Scalar {
                    tag: Tag::Context(7),
                    value: Value::Uint(v),
                }) => {
                    f_fixed_typical = Some(
                        u64::try_from(v)
                            .map_err(|_| ClusterError::InvalidLength("FixedTypical"))?,
                    )
                }
                None => return Err(ClusterError::Tlv(matter_codec::Error::UnclosedContainer)),
                Some(Element::ContainerStart { .. }) => r.skip_container()?,
                Some(_) => {} // unknown/future scalar — skip
            }
        }
        Ok(Self {
            range_min: f_range_min.ok_or(ClusterError::MissingField("RangeMin"))?,
            range_max: f_range_max.ok_or(ClusterError::MissingField("RangeMax"))?,
            percent_max: f_percent_max,
            percent_min: f_percent_min,
            percent_typical: f_percent_typical,
            fixed_max: f_fixed_max,
            fixed_min: f_fixed_min,
            fixed_typical: f_fixed_typical,
        })
    }
    /// Decode from a standalone anonymous TLV structure.
    ///
    /// # Errors
    /// Returns [`ClusterError`] if the bytes are not an anonymous structure or a field is malformed.
    pub fn decode(tlv: &[u8]) -> Result<Self, ClusterError> {
        let mut r = TlvReader::new(tlv);
        match r.next()? {
            Some(Element::ContainerStart {
                kind: ContainerKind::Structure,
                ..
            }) => {}
            _ => {
                return Err(ClusterError::UnexpectedType {
                    context: "MeasurementAccuracyRangeStruct",
                })
            }
        }
        Self::decode_from(&mut r)
    }
    /// Write this struct's fields into an already-open container.
    #[allow(clippy::expect_used)] // Vec-backed TlvWriter is infallible.
    pub fn write_fields(&self, w: &mut TlvWriter<'_>) {
        w.put_int(Tag::Context(0), i64::from(self.range_min))
            .expect("infallible: vec writer");
        w.put_int(Tag::Context(1), i64::from(self.range_max))
            .expect("infallible: vec writer");
        if let Some(percent_max) = &self.percent_max {
            w.put_uint(Tag::Context(2), u64::from(*percent_max))
                .expect("infallible: vec writer");
        }
        if let Some(percent_min) = &self.percent_min {
            w.put_uint(Tag::Context(3), u64::from(*percent_min))
                .expect("infallible: vec writer");
        }
        if let Some(percent_typical) = &self.percent_typical {
            w.put_uint(Tag::Context(4), u64::from(*percent_typical))
                .expect("infallible: vec writer");
        }
        if let Some(fixed_max) = &self.fixed_max {
            w.put_uint(Tag::Context(5), u64::from(*fixed_max))
                .expect("infallible: vec writer");
        }
        if let Some(fixed_min) = &self.fixed_min {
            w.put_uint(Tag::Context(6), u64::from(*fixed_min))
                .expect("infallible: vec writer");
        }
        if let Some(fixed_typical) = &self.fixed_typical {
            w.put_uint(Tag::Context(7), u64::from(*fixed_typical))
                .expect("infallible: vec writer");
        }
    }
    /// Encode as a standalone anonymous TLV structure.
    #[must_use]
    #[allow(clippy::expect_used)] // Vec-backed TlvWriter is infallible.
    pub fn encode(&self) -> Vec<u8> {
        let mut buf = Vec::new();
        let mut w = TlvWriter::new(&mut buf);
        w.start_structure(Tag::Anonymous)
            .expect("infallible: vec writer");
        self.write_fields(&mut w);
        w.end_container().expect("infallible: vec writer");
        buf
    }
}

impl MeasurementAccuracyStruct {
    /// Decode the fields of an already-opened anonymous structure
    /// (reader positioned after the struct start; consumes to its end).
    ///
    /// # Errors
    /// Returns [`ClusterError`] on a malformed structure or missing required field.
    pub fn decode_from(r: &mut TlvReader<'_>) -> Result<Self, ClusterError> {
        let mut f_measurement_type: Option<MeasurementTypeEnum> = None;
        let mut f_measured: Option<bool> = None;
        let mut f_min_measured_value: Option<i64> = None;
        let mut f_max_measured_value: Option<i64> = None;
        let mut f_accuracy_ranges: Option<Vec<MeasurementAccuracyRangeStruct>> = None;
        loop {
            match r.next()? {
                Some(Element::ContainerEnd) => break,
                Some(Element::Scalar {
                    tag: Tag::Context(0),
                    value: Value::Uint(v),
                }) => {
                    f_measurement_type = Some(MeasurementTypeEnum::from_raw(
                        u16::try_from(v)
                            .map_err(|_| ClusterError::InvalidLength("MeasurementType"))?,
                    ))
                }
                Some(Element::Scalar {
                    tag: Tag::Context(1),
                    value: Value::Bool(v),
                }) => f_measured = Some(v),
                Some(Element::Scalar {
                    tag: Tag::Context(2),
                    value: Value::Int(v),
                }) => {
                    f_min_measured_value = Some(
                        i64::try_from(v)
                            .map_err(|_| ClusterError::InvalidLength("MinMeasuredValue"))?,
                    )
                }
                Some(Element::Scalar {
                    tag: Tag::Context(3),
                    value: Value::Int(v),
                }) => {
                    f_max_measured_value = Some(
                        i64::try_from(v)
                            .map_err(|_| ClusterError::InvalidLength("MaxMeasuredValue"))?,
                    )
                }
                Some(Element::ContainerStart {
                    tag: Tag::Context(4),
                    kind: ContainerKind::Array,
                }) => {
                    let mut out = Vec::new();
                    loop {
                        match r.next()? {
                            Some(Element::ContainerEnd) => break,
                            Some(Element::ContainerStart {
                                kind: ContainerKind::Structure,
                                ..
                            }) => {
                                out.push(MeasurementAccuracyRangeStruct::decode_from(r)?);
                            }
                            None => {
                                return Err(ClusterError::Tlv(
                                    matter_codec::Error::UnclosedContainer,
                                ))
                            }
                            Some(Element::ContainerStart { .. }) => r.skip_container()?,
                            Some(_) => {} // skip unknown scalar
                        }
                    }
                    f_accuracy_ranges = Some(out);
                }
                None => return Err(ClusterError::Tlv(matter_codec::Error::UnclosedContainer)),
                Some(Element::ContainerStart { .. }) => r.skip_container()?,
                Some(_) => {} // unknown/future scalar — skip
            }
        }
        Ok(Self {
            measurement_type: f_measurement_type
                .ok_or(ClusterError::MissingField("MeasurementType"))?,
            measured: f_measured.ok_or(ClusterError::MissingField("Measured"))?,
            min_measured_value: f_min_measured_value
                .ok_or(ClusterError::MissingField("MinMeasuredValue"))?,
            max_measured_value: f_max_measured_value
                .ok_or(ClusterError::MissingField("MaxMeasuredValue"))?,
            accuracy_ranges: f_accuracy_ranges
                .ok_or(ClusterError::MissingField("AccuracyRanges"))?,
        })
    }
    /// Decode from a standalone anonymous TLV structure.
    ///
    /// # Errors
    /// Returns [`ClusterError`] if the bytes are not an anonymous structure or a field is malformed.
    pub fn decode(tlv: &[u8]) -> Result<Self, ClusterError> {
        let mut r = TlvReader::new(tlv);
        match r.next()? {
            Some(Element::ContainerStart {
                kind: ContainerKind::Structure,
                ..
            }) => {}
            _ => {
                return Err(ClusterError::UnexpectedType {
                    context: "MeasurementAccuracyStruct",
                })
            }
        }
        Self::decode_from(&mut r)
    }
}

impl MeasurementRangeStruct {
    /// Decode the fields of an already-opened anonymous structure
    /// (reader positioned after the struct start; consumes to its end).
    ///
    /// # Errors
    /// Returns [`ClusterError`] on a malformed structure or missing required field.
    pub fn decode_from(r: &mut TlvReader<'_>) -> Result<Self, ClusterError> {
        let mut f_measurement_type: Option<MeasurementTypeEnum> = None;
        let mut f_min: Option<i64> = None;
        let mut f_max: Option<i64> = None;
        let mut f_start_timestamp: Option<u32> = None;
        let mut f_end_timestamp: Option<u32> = None;
        let mut f_min_timestamp: Option<u32> = None;
        let mut f_max_timestamp: Option<u32> = None;
        let mut f_start_systime: Option<u64> = None;
        let mut f_end_systime: Option<u64> = None;
        let mut f_min_systime: Option<u64> = None;
        let mut f_max_systime: Option<u64> = None;
        loop {
            match r.next()? {
                Some(Element::ContainerEnd) => break,
                Some(Element::Scalar {
                    tag: Tag::Context(0),
                    value: Value::Uint(v),
                }) => {
                    f_measurement_type = Some(MeasurementTypeEnum::from_raw(
                        u16::try_from(v)
                            .map_err(|_| ClusterError::InvalidLength("MeasurementType"))?,
                    ))
                }
                Some(Element::Scalar {
                    tag: Tag::Context(1),
                    value: Value::Int(v),
                }) => {
                    f_min = Some(i64::try_from(v).map_err(|_| ClusterError::InvalidLength("Min"))?)
                }
                Some(Element::Scalar {
                    tag: Tag::Context(2),
                    value: Value::Int(v),
                }) => {
                    f_max = Some(i64::try_from(v).map_err(|_| ClusterError::InvalidLength("Max"))?)
                }
                Some(Element::Scalar {
                    tag: Tag::Context(3),
                    value: Value::Uint(v),
                }) => {
                    f_start_timestamp = Some(
                        u32::try_from(v)
                            .map_err(|_| ClusterError::InvalidLength("StartTimestamp"))?,
                    )
                }
                Some(Element::Scalar {
                    tag: Tag::Context(4),
                    value: Value::Uint(v),
                }) => {
                    f_end_timestamp = Some(
                        u32::try_from(v)
                            .map_err(|_| ClusterError::InvalidLength("EndTimestamp"))?,
                    )
                }
                Some(Element::Scalar {
                    tag: Tag::Context(5),
                    value: Value::Uint(v),
                }) => {
                    f_min_timestamp = Some(
                        u32::try_from(v)
                            .map_err(|_| ClusterError::InvalidLength("MinTimestamp"))?,
                    )
                }
                Some(Element::Scalar {
                    tag: Tag::Context(6),
                    value: Value::Uint(v),
                }) => {
                    f_max_timestamp = Some(
                        u32::try_from(v)
                            .map_err(|_| ClusterError::InvalidLength("MaxTimestamp"))?,
                    )
                }
                Some(Element::Scalar {
                    tag: Tag::Context(7),
                    value: Value::Uint(v),
                }) => {
                    f_start_systime = Some(
                        u64::try_from(v)
                            .map_err(|_| ClusterError::InvalidLength("StartSystime"))?,
                    )
                }
                Some(Element::Scalar {
                    tag: Tag::Context(8),
                    value: Value::Uint(v),
                }) => {
                    f_end_systime = Some(
                        u64::try_from(v).map_err(|_| ClusterError::InvalidLength("EndSystime"))?,
                    )
                }
                Some(Element::Scalar {
                    tag: Tag::Context(9),
                    value: Value::Uint(v),
                }) => {
                    f_min_systime = Some(
                        u64::try_from(v).map_err(|_| ClusterError::InvalidLength("MinSystime"))?,
                    )
                }
                Some(Element::Scalar {
                    tag: Tag::Context(10),
                    value: Value::Uint(v),
                }) => {
                    f_max_systime = Some(
                        u64::try_from(v).map_err(|_| ClusterError::InvalidLength("MaxSystime"))?,
                    )
                }
                None => return Err(ClusterError::Tlv(matter_codec::Error::UnclosedContainer)),
                Some(Element::ContainerStart { .. }) => r.skip_container()?,
                Some(_) => {} // unknown/future scalar — skip
            }
        }
        Ok(Self {
            measurement_type: f_measurement_type
                .ok_or(ClusterError::MissingField("MeasurementType"))?,
            min: f_min.ok_or(ClusterError::MissingField("Min"))?,
            max: f_max.ok_or(ClusterError::MissingField("Max"))?,
            start_timestamp: f_start_timestamp,
            end_timestamp: f_end_timestamp,
            min_timestamp: f_min_timestamp,
            max_timestamp: f_max_timestamp,
            start_systime: f_start_systime,
            end_systime: f_end_systime,
            min_systime: f_min_systime,
            max_systime: f_max_systime,
        })
    }
    /// Decode from a standalone anonymous TLV structure.
    ///
    /// # Errors
    /// Returns [`ClusterError`] if the bytes are not an anonymous structure or a field is malformed.
    pub fn decode(tlv: &[u8]) -> Result<Self, ClusterError> {
        let mut r = TlvReader::new(tlv);
        match r.next()? {
            Some(Element::ContainerStart {
                kind: ContainerKind::Structure,
                ..
            }) => {}
            _ => {
                return Err(ClusterError::UnexpectedType {
                    context: "MeasurementRangeStruct",
                })
            }
        }
        Self::decode_from(&mut r)
    }
    /// Write this struct's fields into an already-open container.
    #[allow(clippy::expect_used)] // Vec-backed TlvWriter is infallible.
    pub fn write_fields(&self, w: &mut TlvWriter<'_>) {
        w.put_uint(Tag::Context(0), u64::from(self.measurement_type.to_raw()))
            .expect("infallible: vec writer");
        w.put_int(Tag::Context(1), i64::from(self.min))
            .expect("infallible: vec writer");
        w.put_int(Tag::Context(2), i64::from(self.max))
            .expect("infallible: vec writer");
        if let Some(start_timestamp) = &self.start_timestamp {
            w.put_uint(Tag::Context(3), u64::from(*start_timestamp))
                .expect("infallible: vec writer");
        }
        if let Some(end_timestamp) = &self.end_timestamp {
            w.put_uint(Tag::Context(4), u64::from(*end_timestamp))
                .expect("infallible: vec writer");
        }
        if let Some(min_timestamp) = &self.min_timestamp {
            w.put_uint(Tag::Context(5), u64::from(*min_timestamp))
                .expect("infallible: vec writer");
        }
        if let Some(max_timestamp) = &self.max_timestamp {
            w.put_uint(Tag::Context(6), u64::from(*max_timestamp))
                .expect("infallible: vec writer");
        }
        if let Some(start_systime) = &self.start_systime {
            w.put_uint(Tag::Context(7), u64::from(*start_systime))
                .expect("infallible: vec writer");
        }
        if let Some(end_systime) = &self.end_systime {
            w.put_uint(Tag::Context(8), u64::from(*end_systime))
                .expect("infallible: vec writer");
        }
        if let Some(min_systime) = &self.min_systime {
            w.put_uint(Tag::Context(9), u64::from(*min_systime))
                .expect("infallible: vec writer");
        }
        if let Some(max_systime) = &self.max_systime {
            w.put_uint(Tag::Context(10), u64::from(*max_systime))
                .expect("infallible: vec writer");
        }
    }
    /// Encode as a standalone anonymous TLV structure.
    #[must_use]
    #[allow(clippy::expect_used)] // Vec-backed TlvWriter is infallible.
    pub fn encode(&self) -> Vec<u8> {
        let mut buf = Vec::new();
        let mut w = TlvWriter::new(&mut buf);
        w.start_structure(Tag::Anonymous)
            .expect("infallible: vec writer");
        self.write_fields(&mut w);
        w.end_container().expect("infallible: vec writer");
        buf
    }
}

/// Decode the `PowerMode` attribute value.
///
/// # Errors
/// Returns [`ClusterError`] on a type mismatch or out-of-range value.
pub fn decode_power_mode(tlv: &[u8]) -> Result<PowerModeEnum, ClusterError> {
    let mut r = TlvReader::new(tlv);
    match r.next()? {
        Some(Element::Scalar {
            value: Value::Uint(v),
            ..
        }) => Ok(PowerModeEnum::from_raw(
            u8::try_from(v).map_err(|_| ClusterError::InvalidLength("PowerMode"))?,
        )),
        _ => Err(ClusterError::UnexpectedType {
            context: "PowerMode",
        }),
    }
}

/// Decode the `NumberOfMeasurementTypes` attribute value.
///
/// # Errors
/// Returns [`ClusterError`] on a type mismatch or out-of-range value.
pub fn decode_number_of_measurement_types(tlv: &[u8]) -> Result<u8, ClusterError> {
    let mut r = TlvReader::new(tlv);
    match r.next()? {
        Some(Element::Scalar {
            value: Value::Uint(v),
            ..
        }) => {
            Ok(u8::try_from(v)
                .map_err(|_| ClusterError::InvalidLength("NumberOfMeasurementTypes"))?)
        }
        _ => Err(ClusterError::UnexpectedType {
            context: "NumberOfMeasurementTypes",
        }),
    }
}

/// Decode the `Accuracy` attribute value.
///
/// # Errors
/// Returns [`ClusterError`] on a type mismatch or out-of-range value.
pub fn decode_accuracy(tlv: &[u8]) -> Result<Vec<MeasurementAccuracyStruct>, ClusterError> {
    let mut r = TlvReader::new(tlv);
    match r.next()? {
        Some(Element::ContainerStart {
            kind: ContainerKind::Array,
            ..
        }) => {}
        _ => {
            return Err(ClusterError::UnexpectedType {
                context: "Accuracy",
            })
        }
    }
    let r = &mut r;
    let mut out = Vec::new();
    loop {
        match r.next()? {
            Some(Element::ContainerEnd) => break,
            Some(Element::ContainerStart {
                kind: ContainerKind::Structure,
                ..
            }) => {
                out.push(MeasurementAccuracyStruct::decode_from(r)?);
            }
            None => return Err(ClusterError::Tlv(matter_codec::Error::UnclosedContainer)),
            Some(Element::ContainerStart { .. }) => r.skip_container()?,
            Some(_) => {} // skip unknown scalar
        }
    }
    Ok(out)
}

/// Decode the `Ranges` attribute value.
///
/// # Errors
/// Returns [`ClusterError`] on a type mismatch or out-of-range value.
pub fn decode_ranges(tlv: &[u8]) -> Result<Vec<MeasurementRangeStruct>, ClusterError> {
    let mut r = TlvReader::new(tlv);
    match r.next()? {
        Some(Element::ContainerStart {
            kind: ContainerKind::Array,
            ..
        }) => {}
        _ => return Err(ClusterError::UnexpectedType { context: "Ranges" }),
    }
    let r = &mut r;
    let mut out = Vec::new();
    loop {
        match r.next()? {
            Some(Element::ContainerEnd) => break,
            Some(Element::ContainerStart {
                kind: ContainerKind::Structure,
                ..
            }) => {
                out.push(MeasurementRangeStruct::decode_from(r)?);
            }
            None => return Err(ClusterError::Tlv(matter_codec::Error::UnclosedContainer)),
            Some(Element::ContainerStart { .. }) => r.skip_container()?,
            Some(_) => {} // skip unknown scalar
        }
    }
    Ok(out)
}

/// Decode the `Voltage` attribute value.
///
/// # Errors
/// Returns [`ClusterError`] on a type mismatch or out-of-range value.
pub fn decode_voltage(tlv: &[u8]) -> Result<Nullable<i64>, ClusterError> {
    let mut r = TlvReader::new(tlv);
    match r.next()? {
        Some(Element::Scalar {
            value: Value::Null, ..
        }) => Ok(Nullable::Null),
        Some(Element::Scalar {
            value: Value::Int(v),
            ..
        }) => Ok(Nullable::Value(
            i64::try_from(v).map_err(|_| ClusterError::InvalidLength("Voltage"))?,
        )),
        _ => Err(ClusterError::UnexpectedType { context: "Voltage" }),
    }
}

/// Decode the `ActiveCurrent` attribute value.
///
/// # Errors
/// Returns [`ClusterError`] on a type mismatch or out-of-range value.
pub fn decode_active_current(tlv: &[u8]) -> Result<Nullable<i64>, ClusterError> {
    let mut r = TlvReader::new(tlv);
    match r.next()? {
        Some(Element::Scalar {
            value: Value::Null, ..
        }) => Ok(Nullable::Null),
        Some(Element::Scalar {
            value: Value::Int(v),
            ..
        }) => {
            Ok(Nullable::Value(i64::try_from(v).map_err(|_| {
                ClusterError::InvalidLength("ActiveCurrent")
            })?))
        }
        _ => Err(ClusterError::UnexpectedType {
            context: "ActiveCurrent",
        }),
    }
}

/// Decode the `ReactiveCurrent` attribute value.
///
/// # Errors
/// Returns [`ClusterError`] on a type mismatch or out-of-range value.
pub fn decode_reactive_current(tlv: &[u8]) -> Result<Nullable<i64>, ClusterError> {
    let mut r = TlvReader::new(tlv);
    match r.next()? {
        Some(Element::Scalar {
            value: Value::Null, ..
        }) => Ok(Nullable::Null),
        Some(Element::Scalar {
            value: Value::Int(v),
            ..
        }) => {
            Ok(Nullable::Value(i64::try_from(v).map_err(|_| {
                ClusterError::InvalidLength("ReactiveCurrent")
            })?))
        }
        _ => Err(ClusterError::UnexpectedType {
            context: "ReactiveCurrent",
        }),
    }
}

/// Decode the `ApparentCurrent` attribute value.
///
/// # Errors
/// Returns [`ClusterError`] on a type mismatch or out-of-range value.
pub fn decode_apparent_current(tlv: &[u8]) -> Result<Nullable<i64>, ClusterError> {
    let mut r = TlvReader::new(tlv);
    match r.next()? {
        Some(Element::Scalar {
            value: Value::Null, ..
        }) => Ok(Nullable::Null),
        Some(Element::Scalar {
            value: Value::Int(v),
            ..
        }) => {
            Ok(Nullable::Value(i64::try_from(v).map_err(|_| {
                ClusterError::InvalidLength("ApparentCurrent")
            })?))
        }
        _ => Err(ClusterError::UnexpectedType {
            context: "ApparentCurrent",
        }),
    }
}

/// Decode the `ActivePower` attribute value.
///
/// # Errors
/// Returns [`ClusterError`] on a type mismatch or out-of-range value.
pub fn decode_active_power(tlv: &[u8]) -> Result<Nullable<i64>, ClusterError> {
    let mut r = TlvReader::new(tlv);
    match r.next()? {
        Some(Element::Scalar {
            value: Value::Null, ..
        }) => Ok(Nullable::Null),
        Some(Element::Scalar {
            value: Value::Int(v),
            ..
        }) => Ok(Nullable::Value(
            i64::try_from(v).map_err(|_| ClusterError::InvalidLength("ActivePower"))?,
        )),
        _ => Err(ClusterError::UnexpectedType {
            context: "ActivePower",
        }),
    }
}

/// Decode the `ReactivePower` attribute value.
///
/// # Errors
/// Returns [`ClusterError`] on a type mismatch or out-of-range value.
pub fn decode_reactive_power(tlv: &[u8]) -> Result<Nullable<i64>, ClusterError> {
    let mut r = TlvReader::new(tlv);
    match r.next()? {
        Some(Element::Scalar {
            value: Value::Null, ..
        }) => Ok(Nullable::Null),
        Some(Element::Scalar {
            value: Value::Int(v),
            ..
        }) => {
            Ok(Nullable::Value(i64::try_from(v).map_err(|_| {
                ClusterError::InvalidLength("ReactivePower")
            })?))
        }
        _ => Err(ClusterError::UnexpectedType {
            context: "ReactivePower",
        }),
    }
}

/// Decode the `ApparentPower` attribute value.
///
/// # Errors
/// Returns [`ClusterError`] on a type mismatch or out-of-range value.
pub fn decode_apparent_power(tlv: &[u8]) -> Result<Nullable<i64>, ClusterError> {
    let mut r = TlvReader::new(tlv);
    match r.next()? {
        Some(Element::Scalar {
            value: Value::Null, ..
        }) => Ok(Nullable::Null),
        Some(Element::Scalar {
            value: Value::Int(v),
            ..
        }) => {
            Ok(Nullable::Value(i64::try_from(v).map_err(|_| {
                ClusterError::InvalidLength("ApparentPower")
            })?))
        }
        _ => Err(ClusterError::UnexpectedType {
            context: "ApparentPower",
        }),
    }
}

/// Decode the `RmsVoltage` attribute value.
///
/// # Errors
/// Returns [`ClusterError`] on a type mismatch or out-of-range value.
pub fn decode_rms_voltage(tlv: &[u8]) -> Result<Nullable<i64>, ClusterError> {
    let mut r = TlvReader::new(tlv);
    match r.next()? {
        Some(Element::Scalar {
            value: Value::Null, ..
        }) => Ok(Nullable::Null),
        Some(Element::Scalar {
            value: Value::Int(v),
            ..
        }) => Ok(Nullable::Value(
            i64::try_from(v).map_err(|_| ClusterError::InvalidLength("RmsVoltage"))?,
        )),
        _ => Err(ClusterError::UnexpectedType {
            context: "RmsVoltage",
        }),
    }
}

/// Decode the `RmsCurrent` attribute value.
///
/// # Errors
/// Returns [`ClusterError`] on a type mismatch or out-of-range value.
pub fn decode_rms_current(tlv: &[u8]) -> Result<Nullable<i64>, ClusterError> {
    let mut r = TlvReader::new(tlv);
    match r.next()? {
        Some(Element::Scalar {
            value: Value::Null, ..
        }) => Ok(Nullable::Null),
        Some(Element::Scalar {
            value: Value::Int(v),
            ..
        }) => Ok(Nullable::Value(
            i64::try_from(v).map_err(|_| ClusterError::InvalidLength("RmsCurrent"))?,
        )),
        _ => Err(ClusterError::UnexpectedType {
            context: "RmsCurrent",
        }),
    }
}

/// Decode the `RmsPower` attribute value.
///
/// # Errors
/// Returns [`ClusterError`] on a type mismatch or out-of-range value.
pub fn decode_rms_power(tlv: &[u8]) -> Result<Nullable<i64>, ClusterError> {
    let mut r = TlvReader::new(tlv);
    match r.next()? {
        Some(Element::Scalar {
            value: Value::Null, ..
        }) => Ok(Nullable::Null),
        Some(Element::Scalar {
            value: Value::Int(v),
            ..
        }) => Ok(Nullable::Value(
            i64::try_from(v).map_err(|_| ClusterError::InvalidLength("RmsPower"))?,
        )),
        _ => Err(ClusterError::UnexpectedType {
            context: "RmsPower",
        }),
    }
}

/// Decode the `Frequency` attribute value.
///
/// # Errors
/// Returns [`ClusterError`] on a type mismatch or out-of-range value.
pub fn decode_frequency(tlv: &[u8]) -> Result<Nullable<i64>, ClusterError> {
    let mut r = TlvReader::new(tlv);
    match r.next()? {
        Some(Element::Scalar {
            value: Value::Null, ..
        }) => Ok(Nullable::Null),
        Some(Element::Scalar {
            value: Value::Int(v),
            ..
        }) => Ok(Nullable::Value(
            i64::try_from(v).map_err(|_| ClusterError::InvalidLength("Frequency"))?,
        )),
        _ => Err(ClusterError::UnexpectedType {
            context: "Frequency",
        }),
    }
}

/// Decode the `HarmonicCurrents` attribute value.
///
/// # Errors
/// Returns [`ClusterError`] on a type mismatch or out-of-range value.
pub fn decode_harmonic_currents(
    tlv: &[u8],
) -> Result<Nullable<Vec<HarmonicMeasurementStruct>>, ClusterError> {
    let mut r = TlvReader::new(tlv);
    match r.next()? {
        Some(Element::Scalar {
            value: Value::Null, ..
        }) => return Ok(Nullable::Null),
        Some(Element::ContainerStart {
            kind: ContainerKind::Array,
            ..
        }) => {}
        _ => {
            return Err(ClusterError::UnexpectedType {
                context: "HarmonicCurrents",
            })
        }
    }
    let r = &mut r;
    let mut out = Vec::new();
    loop {
        match r.next()? {
            Some(Element::ContainerEnd) => break,
            Some(Element::ContainerStart {
                kind: ContainerKind::Structure,
                ..
            }) => {
                out.push(HarmonicMeasurementStruct::decode_from(r)?);
            }
            None => return Err(ClusterError::Tlv(matter_codec::Error::UnclosedContainer)),
            Some(Element::ContainerStart { .. }) => r.skip_container()?,
            Some(_) => {} // skip unknown scalar
        }
    }
    Ok(Nullable::Value(out))
}

/// Decode the `HarmonicPhases` attribute value.
///
/// # Errors
/// Returns [`ClusterError`] on a type mismatch or out-of-range value.
pub fn decode_harmonic_phases(
    tlv: &[u8],
) -> Result<Nullable<Vec<HarmonicMeasurementStruct>>, ClusterError> {
    let mut r = TlvReader::new(tlv);
    match r.next()? {
        Some(Element::Scalar {
            value: Value::Null, ..
        }) => return Ok(Nullable::Null),
        Some(Element::ContainerStart {
            kind: ContainerKind::Array,
            ..
        }) => {}
        _ => {
            return Err(ClusterError::UnexpectedType {
                context: "HarmonicPhases",
            })
        }
    }
    let r = &mut r;
    let mut out = Vec::new();
    loop {
        match r.next()? {
            Some(Element::ContainerEnd) => break,
            Some(Element::ContainerStart {
                kind: ContainerKind::Structure,
                ..
            }) => {
                out.push(HarmonicMeasurementStruct::decode_from(r)?);
            }
            None => return Err(ClusterError::Tlv(matter_codec::Error::UnclosedContainer)),
            Some(Element::ContainerStart { .. }) => r.skip_container()?,
            Some(_) => {} // skip unknown scalar
        }
    }
    Ok(Nullable::Value(out))
}

/// Decode the `PowerFactor` attribute value.
///
/// # Errors
/// Returns [`ClusterError`] on a type mismatch or out-of-range value.
pub fn decode_power_factor(tlv: &[u8]) -> Result<Nullable<i64>, ClusterError> {
    let mut r = TlvReader::new(tlv);
    match r.next()? {
        Some(Element::Scalar {
            value: Value::Null, ..
        }) => Ok(Nullable::Null),
        Some(Element::Scalar {
            value: Value::Int(v),
            ..
        }) => Ok(Nullable::Value(
            i64::try_from(v).map_err(|_| ClusterError::InvalidLength("PowerFactor"))?,
        )),
        _ => Err(ClusterError::UnexpectedType {
            context: "PowerFactor",
        }),
    }
}

/// Decode the `NeutralCurrent` attribute value.
///
/// # Errors
/// Returns [`ClusterError`] on a type mismatch or out-of-range value.
pub fn decode_neutral_current(tlv: &[u8]) -> Result<Nullable<i64>, ClusterError> {
    let mut r = TlvReader::new(tlv);
    match r.next()? {
        Some(Element::Scalar {
            value: Value::Null, ..
        }) => Ok(Nullable::Null),
        Some(Element::Scalar {
            value: Value::Int(v),
            ..
        }) => {
            Ok(Nullable::Value(i64::try_from(v).map_err(|_| {
                ClusterError::InvalidLength("NeutralCurrent")
            })?))
        }
        _ => Err(ClusterError::UnexpectedType {
            context: "NeutralCurrent",
        }),
    }
}