matc 0.1.2

//! Matter TLV encoders and decoders for Valve Configuration and Control Cluster
//! Cluster ID: 0x0081
//!
//! This file is automatically generated from ValveConfigurationControl.xml

use crate::tlv;
use anyhow;
use serde_json;


// Enum definitions

#[derive(Debug, Clone, Copy, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
#[repr(u8)]
pub enum StatusCode {
    /// The requested action could not be performed due to a fault on the valve.
    Failureduetofault = 2,
}

impl StatusCode {
    /// Convert from u8 value
    pub fn from_u8(value: u8) -> Option<Self> {
        match value {
            2 => Some(StatusCode::Failureduetofault),
            _ => None,
        }
    }

    /// Convert to u8 value
    pub fn to_u8(self) -> u8 {
        self as u8
    }
}

impl From<StatusCode> for u8 {
    fn from(val: StatusCode) -> Self {
        val as u8
    }
}

#[derive(Debug, Clone, Copy, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
#[repr(u8)]
pub enum ValveState {
    /// Valve is in closed position
    Closed = 0,
    /// Valve is in open position
    Open = 1,
    /// Valve is transitioning between closed and open positions or between levels
    Transitioning = 2,
}

impl ValveState {
    /// Convert from u8 value
    pub fn from_u8(value: u8) -> Option<Self> {
        match value {
            0 => Some(ValveState::Closed),
            1 => Some(ValveState::Open),
            2 => Some(ValveState::Transitioning),
            _ => None,
        }
    }

    /// Convert to u8 value
    pub fn to_u8(self) -> u8 {
        self as u8
    }
}

impl From<ValveState> for u8 {
    fn from(val: ValveState) -> Self {
        val as u8
    }
}

// Bitmap definitions

/// ValveFault bitmap type
pub type ValveFault = u8;

/// Constants for ValveFault
pub mod valvefault {
    /// Unspecified fault detected
    pub const GENERAL_FAULT: u8 = 0x01;
    /// Valve is blocked
    pub const BLOCKED: u8 = 0x02;
    /// Valve has detected a leak
    pub const LEAKING: u8 = 0x04;
    /// No valve is connected to controller
    pub const NOT_CONNECTED: u8 = 0x08;
    /// Short circuit is detected
    pub const SHORT_CIRCUIT: u8 = 0x10;
    /// The available current has been exceeded
    pub const CURRENT_EXCEEDED: u8 = 0x20;
}

// Command encoders

/// Encode Open command (0x00)
pub fn encode_open(open_duration: Option<u32>, target_level: u8) -> anyhow::Result<Vec<u8>> {
    let tlv = tlv::TlvItemEnc {
        tag: 0,
        value: tlv::TlvItemValueEnc::StructInvisible(vec![
        (0, tlv::TlvItemValueEnc::UInt32(open_duration.unwrap_or(0))).into(),
        (1, tlv::TlvItemValueEnc::UInt8(target_level)).into(),
        ]),
    };
    Ok(tlv.encode()?)
}

// Attribute decoders

/// Decode OpenDuration attribute (0x0000)
pub fn decode_open_duration(inp: &tlv::TlvItemValue) -> anyhow::Result<Option<u32>> {
    if let tlv::TlvItemValue::Int(v) = inp {
        Ok(Some(*v as u32))
    } else {
        Ok(None)
    }
}

/// Decode DefaultOpenDuration attribute (0x0001)
pub fn decode_default_open_duration(inp: &tlv::TlvItemValue) -> anyhow::Result<Option<u32>> {
    if let tlv::TlvItemValue::Int(v) = inp {
        Ok(Some(*v as u32))
    } else {
        Ok(None)
    }
}

/// Decode AutoCloseTime attribute (0x0002)
pub fn decode_auto_close_time(inp: &tlv::TlvItemValue) -> anyhow::Result<Option<u64>> {
    if let tlv::TlvItemValue::Int(v) = inp {
        Ok(Some(*v))
    } else {
        Ok(None)
    }
}

/// Decode RemainingDuration attribute (0x0003)
pub fn decode_remaining_duration(inp: &tlv::TlvItemValue) -> anyhow::Result<Option<u32>> {
    if let tlv::TlvItemValue::Int(v) = inp {
        Ok(Some(*v as u32))
    } else {
        Ok(None)
    }
}

/// Decode CurrentState attribute (0x0004)
pub fn decode_current_state(inp: &tlv::TlvItemValue) -> anyhow::Result<Option<ValveState>> {
    if let tlv::TlvItemValue::Int(v) = inp {
        Ok(ValveState::from_u8(*v as u8))
    } else {
        Ok(None)
    }
}

/// Decode TargetState attribute (0x0005)
pub fn decode_target_state(inp: &tlv::TlvItemValue) -> anyhow::Result<Option<ValveState>> {
    if let tlv::TlvItemValue::Int(v) = inp {
        Ok(ValveState::from_u8(*v as u8))
    } else {
        Ok(None)
    }
}

/// Decode CurrentLevel attribute (0x0006)
pub fn decode_current_level(inp: &tlv::TlvItemValue) -> anyhow::Result<Option<u8>> {
    if let tlv::TlvItemValue::Int(v) = inp {
        Ok(Some(*v as u8))
    } else {
        Ok(None)
    }
}

/// Decode TargetLevel attribute (0x0007)
pub fn decode_target_level(inp: &tlv::TlvItemValue) -> anyhow::Result<Option<u8>> {
    if let tlv::TlvItemValue::Int(v) = inp {
        Ok(Some(*v as u8))
    } else {
        Ok(None)
    }
}

/// Decode DefaultOpenLevel attribute (0x0008)
pub fn decode_default_open_level(inp: &tlv::TlvItemValue) -> anyhow::Result<u8> {
    if let tlv::TlvItemValue::Int(v) = inp {
        Ok(*v as u8)
    } else {
        Err(anyhow::anyhow!("Expected UInt8"))
    }
}

/// Decode ValveFault attribute (0x0009)
pub fn decode_valve_fault(inp: &tlv::TlvItemValue) -> anyhow::Result<ValveFault> {
    if let tlv::TlvItemValue::Int(v) = inp {
        Ok(*v as u8)
    } else {
        Err(anyhow::anyhow!("Expected Integer"))
    }
}

/// Decode LevelStep attribute (0x000A)
pub fn decode_level_step(inp: &tlv::TlvItemValue) -> anyhow::Result<u8> {
    if let tlv::TlvItemValue::Int(v) = inp {
        Ok(*v as u8)
    } else {
        Err(anyhow::anyhow!("Expected UInt8"))
    }
}


// JSON dispatcher function

/// Decode attribute value and return as JSON string
///
/// # Parameters
/// * `cluster_id` - The cluster identifier
/// * `attribute_id` - The attribute identifier
/// * `tlv_value` - The TLV value to decode
///
/// # Returns
/// JSON string representation of the decoded value or error
pub fn decode_attribute_json(cluster_id: u32, attribute_id: u32, tlv_value: &crate::tlv::TlvItemValue) -> String {
    // Verify this is the correct cluster
    if cluster_id != 0x0081 {
        return format!("{{\"error\": \"Invalid cluster ID. Expected 0x0081, got {}\"}}", cluster_id);
    }

    match attribute_id {
        0x0000 => {
            match decode_open_duration(tlv_value) {
                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
                Err(e) => format!("{{\"error\": \"{}\"}}", e),
            }
        }
        0x0001 => {
            match decode_default_open_duration(tlv_value) {
                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
                Err(e) => format!("{{\"error\": \"{}\"}}", e),
            }
        }
        0x0002 => {
            match decode_auto_close_time(tlv_value) {
                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
                Err(e) => format!("{{\"error\": \"{}\"}}", e),
            }
        }
        0x0003 => {
            match decode_remaining_duration(tlv_value) {
                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
                Err(e) => format!("{{\"error\": \"{}\"}}", e),
            }
        }
        0x0004 => {
            match decode_current_state(tlv_value) {
                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
                Err(e) => format!("{{\"error\": \"{}\"}}", e),
            }
        }
        0x0005 => {
            match decode_target_state(tlv_value) {
                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
                Err(e) => format!("{{\"error\": \"{}\"}}", e),
            }
        }
        0x0006 => {
            match decode_current_level(tlv_value) {
                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
                Err(e) => format!("{{\"error\": \"{}\"}}", e),
            }
        }
        0x0007 => {
            match decode_target_level(tlv_value) {
                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
                Err(e) => format!("{{\"error\": \"{}\"}}", e),
            }
        }
        0x0008 => {
            match decode_default_open_level(tlv_value) {
                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
                Err(e) => format!("{{\"error\": \"{}\"}}", e),
            }
        }
        0x0009 => {
            match decode_valve_fault(tlv_value) {
                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
                Err(e) => format!("{{\"error\": \"{}\"}}", e),
            }
        }
        0x000A => {
            match decode_level_step(tlv_value) {
                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
                Err(e) => format!("{{\"error\": \"{}\"}}", e),
            }
        }
        _ => format!("{{\"error\": \"Unknown attribute ID: {}\"}}", attribute_id),
    }
}

/// Get list of all attributes supported by this cluster
///
/// # Returns
/// Vector of tuples containing (attribute_id, attribute_name)
pub fn get_attribute_list() -> Vec<(u32, &'static str)> {
    vec![
        (0x0000, "OpenDuration"),
        (0x0001, "DefaultOpenDuration"),
        (0x0002, "AutoCloseTime"),
        (0x0003, "RemainingDuration"),
        (0x0004, "CurrentState"),
        (0x0005, "TargetState"),
        (0x0006, "CurrentLevel"),
        (0x0007, "TargetLevel"),
        (0x0008, "DefaultOpenLevel"),
        (0x0009, "ValveFault"),
        (0x000A, "LevelStep"),
    ]
}

#[derive(Debug, serde::Serialize)]
pub struct ValveStateChangedEvent {
    pub valve_state: Option<ValveState>,
    pub valve_level: Option<u8>,
}

#[derive(Debug, serde::Serialize)]
pub struct ValveFaultEvent {
    pub valve_fault: Option<ValveFault>,
}

// Event decoders

/// Decode ValveStateChanged event (0x00, priority: info)
pub fn decode_valve_state_changed_event(inp: &tlv::TlvItemValue) -> anyhow::Result<ValveStateChangedEvent> {
    if let tlv::TlvItemValue::List(_fields) = inp {
        let item = tlv::TlvItem { tag: 0, value: inp.clone() };
        Ok(ValveStateChangedEvent {
                                valve_state: item.get_int(&[0]).and_then(|v| ValveState::from_u8(v as u8)),
                                valve_level: item.get_int(&[1]).map(|v| v as u8),
        })
    } else {
        Err(anyhow::anyhow!("Expected struct fields"))
    }
}

/// Decode ValveFault event (0x01, priority: info)
pub fn decode_valve_fault_event(inp: &tlv::TlvItemValue) -> anyhow::Result<ValveFaultEvent> {
    if let tlv::TlvItemValue::List(_fields) = inp {
        let item = tlv::TlvItem { tag: 0, value: inp.clone() };
        Ok(ValveFaultEvent {
                                valve_fault: item.get_int(&[0]).map(|v| v as u8),
        })
    } else {
        Err(anyhow::anyhow!("Expected struct fields"))
    }
}