kafka-protocol 0.17.0

//! FetchSnapshotResponse
//!
//! See the schema for this message [here](https://github.com/apache/kafka/blob/trunk/clients/src/main/resources/common/message/FetchSnapshotResponse.json).
// WARNING: the items of this module are generated and should not be edited directly
#![allow(unused)]

use std::borrow::Borrow;
use std::collections::BTreeMap;

use anyhow::{bail, Result};
use bytes::Bytes;
use uuid::Uuid;

use crate::protocol::{
    buf::{ByteBuf, ByteBufMut},
    compute_unknown_tagged_fields_size, types, write_unknown_tagged_fields, Decodable, Decoder,
    Encodable, Encoder, HeaderVersion, Message, StrBytes, VersionRange,
};

/// Valid versions: 0-1
#[non_exhaustive]
#[derive(Debug, Clone, PartialEq)]
pub struct FetchSnapshotResponse {
    /// The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.
    ///
    /// Supported API versions: 0-1
    pub throttle_time_ms: i32,

    /// The top level response error code.
    ///
    /// Supported API versions: 0-1
    pub error_code: i16,

    /// The topics to fetch.
    ///
    /// Supported API versions: 0-1
    pub topics: Vec<TopicSnapshot>,

    /// Endpoints for all current-leaders enumerated in PartitionSnapshot.
    ///
    /// Supported API versions: 1
    pub node_endpoints: Vec<NodeEndpoint>,

    /// Other tagged fields
    pub unknown_tagged_fields: BTreeMap<i32, Bytes>,
}

impl FetchSnapshotResponse {
    /// Sets `throttle_time_ms` to the passed value.
    ///
    /// The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.
    ///
    /// Supported API versions: 0-1
    pub fn with_throttle_time_ms(mut self, value: i32) -> Self {
        self.throttle_time_ms = value;
        self
    }
    /// Sets `error_code` to the passed value.
    ///
    /// The top level response error code.
    ///
    /// Supported API versions: 0-1
    pub fn with_error_code(mut self, value: i16) -> Self {
        self.error_code = value;
        self
    }
    /// Sets `topics` to the passed value.
    ///
    /// The topics to fetch.
    ///
    /// Supported API versions: 0-1
    pub fn with_topics(mut self, value: Vec<TopicSnapshot>) -> Self {
        self.topics = value;
        self
    }
    /// Sets `node_endpoints` to the passed value.
    ///
    /// Endpoints for all current-leaders enumerated in PartitionSnapshot.
    ///
    /// Supported API versions: 1
    pub fn with_node_endpoints(mut self, value: Vec<NodeEndpoint>) -> Self {
        self.node_endpoints = value;
        self
    }
    /// Sets unknown_tagged_fields to the passed value.
    pub fn with_unknown_tagged_fields(mut self, value: BTreeMap<i32, Bytes>) -> Self {
        self.unknown_tagged_fields = value;
        self
    }
    /// Inserts an entry into unknown_tagged_fields.
    pub fn with_unknown_tagged_field(mut self, key: i32, value: Bytes) -> Self {
        self.unknown_tagged_fields.insert(key, value);
        self
    }
}

#[cfg(feature = "broker")]
impl Encodable for FetchSnapshotResponse {
    fn encode<B: ByteBufMut>(&self, buf: &mut B, version: i16) -> Result<()> {
        if version < 0 || version > 1 {
            bail!("specified version not supported by this message type");
        }
        types::Int32.encode(buf, &self.throttle_time_ms)?;
        types::Int16.encode(buf, &self.error_code)?;
        types::CompactArray(types::Struct { version }).encode(buf, &self.topics)?;
        let mut num_tagged_fields = self.unknown_tagged_fields.len();
        if version >= 1 {
            if !self.node_endpoints.is_empty() {
                num_tagged_fields += 1;
            }
        }
        if num_tagged_fields > std::u32::MAX as usize {
            bail!(
                "Too many tagged fields to encode ({} fields)",
                num_tagged_fields
            );
        }
        types::UnsignedVarInt.encode(buf, num_tagged_fields as u32)?;
        if version >= 1 {
            if !self.node_endpoints.is_empty() {
                let computed_size = types::CompactArray(types::Struct { version })
                    .compute_size(&self.node_endpoints)?;
                if computed_size > std::u32::MAX as usize {
                    bail!(
                        "Tagged field is too large to encode ({} bytes)",
                        computed_size
                    );
                }
                types::UnsignedVarInt.encode(buf, 0)?;
                types::UnsignedVarInt.encode(buf, computed_size as u32)?;
                types::CompactArray(types::Struct { version }).encode(buf, &self.node_endpoints)?;
            }
        }
        write_unknown_tagged_fields(buf, 1.., &self.unknown_tagged_fields)?;
        Ok(())
    }
    fn compute_size(&self, version: i16) -> Result<usize> {
        let mut total_size = 0;
        total_size += types::Int32.compute_size(&self.throttle_time_ms)?;
        total_size += types::Int16.compute_size(&self.error_code)?;
        total_size += types::CompactArray(types::Struct { version }).compute_size(&self.topics)?;
        let mut num_tagged_fields = self.unknown_tagged_fields.len();
        if version >= 1 {
            if !self.node_endpoints.is_empty() {
                num_tagged_fields += 1;
            }
        }
        if num_tagged_fields > std::u32::MAX as usize {
            bail!(
                "Too many tagged fields to encode ({} fields)",
                num_tagged_fields
            );
        }
        total_size += types::UnsignedVarInt.compute_size(num_tagged_fields as u32)?;
        if version >= 1 {
            if !self.node_endpoints.is_empty() {
                let computed_size = types::CompactArray(types::Struct { version })
                    .compute_size(&self.node_endpoints)?;
                if computed_size > std::u32::MAX as usize {
                    bail!(
                        "Tagged field is too large to encode ({} bytes)",
                        computed_size
                    );
                }
                total_size += types::UnsignedVarInt.compute_size(0)?;
                total_size += types::UnsignedVarInt.compute_size(computed_size as u32)?;
                total_size += computed_size;
            }
        }
        total_size += compute_unknown_tagged_fields_size(&self.unknown_tagged_fields)?;
        Ok(total_size)
    }
}

#[cfg(feature = "client")]
impl Decodable for FetchSnapshotResponse {
    fn decode<B: ByteBuf>(buf: &mut B, version: i16) -> Result<Self> {
        if version < 0 || version > 1 {
            bail!("specified version not supported by this message type");
        }
        let throttle_time_ms = types::Int32.decode(buf)?;
        let error_code = types::Int16.decode(buf)?;
        let topics = types::CompactArray(types::Struct { version }).decode(buf)?;
        let mut node_endpoints = Default::default();
        let mut unknown_tagged_fields = BTreeMap::new();
        let num_tagged_fields = types::UnsignedVarInt.decode(buf)?;
        for _ in 0..num_tagged_fields {
            let tag: u32 = types::UnsignedVarInt.decode(buf)?;
            let size: u32 = types::UnsignedVarInt.decode(buf)?;
            match tag {
                0 => {
                    if version >= 1 {
                        node_endpoints =
                            types::CompactArray(types::Struct { version }).decode(buf)?;
                    } else {
                        bail!("Tag {} is not valid for version {}", tag, version);
                    }
                }
                _ => {
                    let unknown_value = buf.try_get_bytes(size as usize)?;
                    unknown_tagged_fields.insert(tag as i32, unknown_value);
                }
            }
        }
        Ok(Self {
            throttle_time_ms,
            error_code,
            topics,
            node_endpoints,
            unknown_tagged_fields,
        })
    }
}

impl Default for FetchSnapshotResponse {
    fn default() -> Self {
        Self {
            throttle_time_ms: 0,
            error_code: 0,
            topics: Default::default(),
            node_endpoints: Default::default(),
            unknown_tagged_fields: BTreeMap::new(),
        }
    }
}

impl Message for FetchSnapshotResponse {
    const VERSIONS: VersionRange = VersionRange { min: 0, max: 1 };
    const DEPRECATED_VERSIONS: Option<VersionRange> = None;
}

/// Valid versions: 0-1
#[non_exhaustive]
#[derive(Debug, Clone, PartialEq)]
pub struct LeaderIdAndEpoch {
    /// The ID of the current leader or -1 if the leader is unknown.
    ///
    /// Supported API versions: 0-1
    pub leader_id: super::BrokerId,

    /// The latest known leader epoch.
    ///
    /// Supported API versions: 0-1
    pub leader_epoch: i32,

    /// Other tagged fields
    pub unknown_tagged_fields: BTreeMap<i32, Bytes>,
}

impl LeaderIdAndEpoch {
    /// Sets `leader_id` to the passed value.
    ///
    /// The ID of the current leader or -1 if the leader is unknown.
    ///
    /// Supported API versions: 0-1
    pub fn with_leader_id(mut self, value: super::BrokerId) -> Self {
        self.leader_id = value;
        self
    }
    /// Sets `leader_epoch` to the passed value.
    ///
    /// The latest known leader epoch.
    ///
    /// Supported API versions: 0-1
    pub fn with_leader_epoch(mut self, value: i32) -> Self {
        self.leader_epoch = value;
        self
    }
    /// Sets unknown_tagged_fields to the passed value.
    pub fn with_unknown_tagged_fields(mut self, value: BTreeMap<i32, Bytes>) -> Self {
        self.unknown_tagged_fields = value;
        self
    }
    /// Inserts an entry into unknown_tagged_fields.
    pub fn with_unknown_tagged_field(mut self, key: i32, value: Bytes) -> Self {
        self.unknown_tagged_fields.insert(key, value);
        self
    }
}

#[cfg(feature = "broker")]
impl Encodable for LeaderIdAndEpoch {
    fn encode<B: ByteBufMut>(&self, buf: &mut B, version: i16) -> Result<()> {
        if version < 0 || version > 1 {
            bail!("specified version not supported by this message type");
        }
        types::Int32.encode(buf, &self.leader_id)?;
        types::Int32.encode(buf, &self.leader_epoch)?;
        let num_tagged_fields = self.unknown_tagged_fields.len();
        if num_tagged_fields > std::u32::MAX as usize {
            bail!(
                "Too many tagged fields to encode ({} fields)",
                num_tagged_fields
            );
        }
        types::UnsignedVarInt.encode(buf, num_tagged_fields as u32)?;

        write_unknown_tagged_fields(buf, 0.., &self.unknown_tagged_fields)?;
        Ok(())
    }
    fn compute_size(&self, version: i16) -> Result<usize> {
        let mut total_size = 0;
        total_size += types::Int32.compute_size(&self.leader_id)?;
        total_size += types::Int32.compute_size(&self.leader_epoch)?;
        let num_tagged_fields = self.unknown_tagged_fields.len();
        if num_tagged_fields > std::u32::MAX as usize {
            bail!(
                "Too many tagged fields to encode ({} fields)",
                num_tagged_fields
            );
        }
        total_size += types::UnsignedVarInt.compute_size(num_tagged_fields as u32)?;

        total_size += compute_unknown_tagged_fields_size(&self.unknown_tagged_fields)?;
        Ok(total_size)
    }
}

#[cfg(feature = "client")]
impl Decodable for LeaderIdAndEpoch {
    fn decode<B: ByteBuf>(buf: &mut B, version: i16) -> Result<Self> {
        if version < 0 || version > 1 {
            bail!("specified version not supported by this message type");
        }
        let leader_id = types::Int32.decode(buf)?;
        let leader_epoch = types::Int32.decode(buf)?;
        let mut unknown_tagged_fields = BTreeMap::new();
        let num_tagged_fields = types::UnsignedVarInt.decode(buf)?;
        for _ in 0..num_tagged_fields {
            let tag: u32 = types::UnsignedVarInt.decode(buf)?;
            let size: u32 = types::UnsignedVarInt.decode(buf)?;
            let unknown_value = buf.try_get_bytes(size as usize)?;
            unknown_tagged_fields.insert(tag as i32, unknown_value);
        }
        Ok(Self {
            leader_id,
            leader_epoch,
            unknown_tagged_fields,
        })
    }
}

impl Default for LeaderIdAndEpoch {
    fn default() -> Self {
        Self {
            leader_id: (0).into(),
            leader_epoch: 0,
            unknown_tagged_fields: BTreeMap::new(),
        }
    }
}

impl Message for LeaderIdAndEpoch {
    const VERSIONS: VersionRange = VersionRange { min: 0, max: 1 };
    const DEPRECATED_VERSIONS: Option<VersionRange> = None;
}

/// Valid versions: 0-1
#[non_exhaustive]
#[derive(Debug, Clone, PartialEq)]
pub struct NodeEndpoint {
    /// The ID of the associated node.
    ///
    /// Supported API versions: 1
    pub node_id: super::BrokerId,

    /// The node's hostname.
    ///
    /// Supported API versions: 1
    pub host: StrBytes,

    /// The node's port.
    ///
    /// Supported API versions: 1
    pub port: u16,

    /// Other tagged fields
    pub unknown_tagged_fields: BTreeMap<i32, Bytes>,
}

impl NodeEndpoint {
    /// Sets `node_id` to the passed value.
    ///
    /// The ID of the associated node.
    ///
    /// Supported API versions: 1
    pub fn with_node_id(mut self, value: super::BrokerId) -> Self {
        self.node_id = value;
        self
    }
    /// Sets `host` to the passed value.
    ///
    /// The node's hostname.
    ///
    /// Supported API versions: 1
    pub fn with_host(mut self, value: StrBytes) -> Self {
        self.host = value;
        self
    }
    /// Sets `port` to the passed value.
    ///
    /// The node's port.
    ///
    /// Supported API versions: 1
    pub fn with_port(mut self, value: u16) -> Self {
        self.port = value;
        self
    }
    /// Sets unknown_tagged_fields to the passed value.
    pub fn with_unknown_tagged_fields(mut self, value: BTreeMap<i32, Bytes>) -> Self {
        self.unknown_tagged_fields = value;
        self
    }
    /// Inserts an entry into unknown_tagged_fields.
    pub fn with_unknown_tagged_field(mut self, key: i32, value: Bytes) -> Self {
        self.unknown_tagged_fields.insert(key, value);
        self
    }
}

#[cfg(feature = "broker")]
impl Encodable for NodeEndpoint {
    fn encode<B: ByteBufMut>(&self, buf: &mut B, version: i16) -> Result<()> {
        if version < 0 || version > 1 {
            bail!("specified version not supported by this message type");
        }
        if version >= 1 {
            types::Int32.encode(buf, &self.node_id)?;
        } else {
            if self.node_id != 0 {
                bail!("A field is set that is not available on the selected protocol version");
            }
        }
        if version >= 1 {
            types::CompactString.encode(buf, &self.host)?;
        } else {
            if !self.host.is_empty() {
                bail!("A field is set that is not available on the selected protocol version");
            }
        }
        if version >= 1 {
            types::UInt16.encode(buf, &self.port)?;
        } else {
            if self.port != 0 {
                bail!("A field is set that is not available on the selected protocol version");
            }
        }
        let num_tagged_fields = self.unknown_tagged_fields.len();
        if num_tagged_fields > std::u32::MAX as usize {
            bail!(
                "Too many tagged fields to encode ({} fields)",
                num_tagged_fields
            );
        }
        types::UnsignedVarInt.encode(buf, num_tagged_fields as u32)?;

        write_unknown_tagged_fields(buf, 0.., &self.unknown_tagged_fields)?;
        Ok(())
    }
    fn compute_size(&self, version: i16) -> Result<usize> {
        let mut total_size = 0;
        if version >= 1 {
            total_size += types::Int32.compute_size(&self.node_id)?;
        } else {
            if self.node_id != 0 {
                bail!("A field is set that is not available on the selected protocol version");
            }
        }
        if version >= 1 {
            total_size += types::CompactString.compute_size(&self.host)?;
        } else {
            if !self.host.is_empty() {
                bail!("A field is set that is not available on the selected protocol version");
            }
        }
        if version >= 1 {
            total_size += types::UInt16.compute_size(&self.port)?;
        } else {
            if self.port != 0 {
                bail!("A field is set that is not available on the selected protocol version");
            }
        }
        let num_tagged_fields = self.unknown_tagged_fields.len();
        if num_tagged_fields > std::u32::MAX as usize {
            bail!(
                "Too many tagged fields to encode ({} fields)",
                num_tagged_fields
            );
        }
        total_size += types::UnsignedVarInt.compute_size(num_tagged_fields as u32)?;

        total_size += compute_unknown_tagged_fields_size(&self.unknown_tagged_fields)?;
        Ok(total_size)
    }
}

#[cfg(feature = "client")]
impl Decodable for NodeEndpoint {
    fn decode<B: ByteBuf>(buf: &mut B, version: i16) -> Result<Self> {
        if version < 0 || version > 1 {
            bail!("specified version not supported by this message type");
        }
        let node_id = if version >= 1 {
            types::Int32.decode(buf)?
        } else {
            (0).into()
        };
        let host = if version >= 1 {
            types::CompactString.decode(buf)?
        } else {
            Default::default()
        };
        let port = if version >= 1 {
            types::UInt16.decode(buf)?
        } else {
            0
        };
        let mut unknown_tagged_fields = BTreeMap::new();
        let num_tagged_fields = types::UnsignedVarInt.decode(buf)?;
        for _ in 0..num_tagged_fields {
            let tag: u32 = types::UnsignedVarInt.decode(buf)?;
            let size: u32 = types::UnsignedVarInt.decode(buf)?;
            let unknown_value = buf.try_get_bytes(size as usize)?;
            unknown_tagged_fields.insert(tag as i32, unknown_value);
        }
        Ok(Self {
            node_id,
            host,
            port,
            unknown_tagged_fields,
        })
    }
}

impl Default for NodeEndpoint {
    fn default() -> Self {
        Self {
            node_id: (0).into(),
            host: Default::default(),
            port: 0,
            unknown_tagged_fields: BTreeMap::new(),
        }
    }
}

impl Message for NodeEndpoint {
    const VERSIONS: VersionRange = VersionRange { min: 0, max: 1 };
    const DEPRECATED_VERSIONS: Option<VersionRange> = None;
}

/// Valid versions: 0-1
#[non_exhaustive]
#[derive(Debug, Clone, PartialEq)]
pub struct PartitionSnapshot {
    /// The partition index.
    ///
    /// Supported API versions: 0-1
    pub index: i32,

    /// The error code, or 0 if there was no fetch error.
    ///
    /// Supported API versions: 0-1
    pub error_code: i16,

    /// The snapshot endOffset and epoch fetched.
    ///
    /// Supported API versions: 0-1
    pub snapshot_id: SnapshotId,

    /// The leader of the partition at the time of the snapshot.
    ///
    /// Supported API versions: 0-1
    pub current_leader: LeaderIdAndEpoch,

    /// The total size of the snapshot.
    ///
    /// Supported API versions: 0-1
    pub size: i64,

    /// The starting byte position within the snapshot included in the Bytes field.
    ///
    /// Supported API versions: 0-1
    pub position: i64,

    /// Snapshot data in records format which may not be aligned on an offset boundary.
    ///
    /// Supported API versions: 0-1
    pub unaligned_records: Bytes,

    /// Other tagged fields
    pub unknown_tagged_fields: BTreeMap<i32, Bytes>,
}

impl PartitionSnapshot {
    /// Sets `index` to the passed value.
    ///
    /// The partition index.
    ///
    /// Supported API versions: 0-1
    pub fn with_index(mut self, value: i32) -> Self {
        self.index = value;
        self
    }
    /// Sets `error_code` to the passed value.
    ///
    /// The error code, or 0 if there was no fetch error.
    ///
    /// Supported API versions: 0-1
    pub fn with_error_code(mut self, value: i16) -> Self {
        self.error_code = value;
        self
    }
    /// Sets `snapshot_id` to the passed value.
    ///
    /// The snapshot endOffset and epoch fetched.
    ///
    /// Supported API versions: 0-1
    pub fn with_snapshot_id(mut self, value: SnapshotId) -> Self {
        self.snapshot_id = value;
        self
    }
    /// Sets `current_leader` to the passed value.
    ///
    /// The leader of the partition at the time of the snapshot.
    ///
    /// Supported API versions: 0-1
    pub fn with_current_leader(mut self, value: LeaderIdAndEpoch) -> Self {
        self.current_leader = value;
        self
    }
    /// Sets `size` to the passed value.
    ///
    /// The total size of the snapshot.
    ///
    /// Supported API versions: 0-1
    pub fn with_size(mut self, value: i64) -> Self {
        self.size = value;
        self
    }
    /// Sets `position` to the passed value.
    ///
    /// The starting byte position within the snapshot included in the Bytes field.
    ///
    /// Supported API versions: 0-1
    pub fn with_position(mut self, value: i64) -> Self {
        self.position = value;
        self
    }
    /// Sets `unaligned_records` to the passed value.
    ///
    /// Snapshot data in records format which may not be aligned on an offset boundary.
    ///
    /// Supported API versions: 0-1
    pub fn with_unaligned_records(mut self, value: Bytes) -> Self {
        self.unaligned_records = value;
        self
    }
    /// Sets unknown_tagged_fields to the passed value.
    pub fn with_unknown_tagged_fields(mut self, value: BTreeMap<i32, Bytes>) -> Self {
        self.unknown_tagged_fields = value;
        self
    }
    /// Inserts an entry into unknown_tagged_fields.
    pub fn with_unknown_tagged_field(mut self, key: i32, value: Bytes) -> Self {
        self.unknown_tagged_fields.insert(key, value);
        self
    }
}

#[cfg(feature = "broker")]
impl Encodable for PartitionSnapshot {
    fn encode<B: ByteBufMut>(&self, buf: &mut B, version: i16) -> Result<()> {
        if version < 0 || version > 1 {
            bail!("specified version not supported by this message type");
        }
        types::Int32.encode(buf, &self.index)?;
        types::Int16.encode(buf, &self.error_code)?;
        types::Struct { version }.encode(buf, &self.snapshot_id)?;
        types::Int64.encode(buf, &self.size)?;
        types::Int64.encode(buf, &self.position)?;
        types::CompactBytes.encode(buf, &self.unaligned_records)?;
        let mut num_tagged_fields = self.unknown_tagged_fields.len();
        if &self.current_leader != &Default::default() {
            num_tagged_fields += 1;
        }
        if num_tagged_fields > std::u32::MAX as usize {
            bail!(
                "Too many tagged fields to encode ({} fields)",
                num_tagged_fields
            );
        }
        types::UnsignedVarInt.encode(buf, num_tagged_fields as u32)?;
        if &self.current_leader != &Default::default() {
            let computed_size = types::Struct { version }.compute_size(&self.current_leader)?;
            if computed_size > std::u32::MAX as usize {
                bail!(
                    "Tagged field is too large to encode ({} bytes)",
                    computed_size
                );
            }
            types::UnsignedVarInt.encode(buf, 0)?;
            types::UnsignedVarInt.encode(buf, computed_size as u32)?;
            types::Struct { version }.encode(buf, &self.current_leader)?;
        }

        write_unknown_tagged_fields(buf, 1.., &self.unknown_tagged_fields)?;
        Ok(())
    }
    fn compute_size(&self, version: i16) -> Result<usize> {
        let mut total_size = 0;
        total_size += types::Int32.compute_size(&self.index)?;
        total_size += types::Int16.compute_size(&self.error_code)?;
        total_size += types::Struct { version }.compute_size(&self.snapshot_id)?;
        total_size += types::Int64.compute_size(&self.size)?;
        total_size += types::Int64.compute_size(&self.position)?;
        total_size += types::CompactBytes.compute_size(&self.unaligned_records)?;
        let mut num_tagged_fields = self.unknown_tagged_fields.len();
        if &self.current_leader != &Default::default() {
            num_tagged_fields += 1;
        }
        if num_tagged_fields > std::u32::MAX as usize {
            bail!(
                "Too many tagged fields to encode ({} fields)",
                num_tagged_fields
            );
        }
        total_size += types::UnsignedVarInt.compute_size(num_tagged_fields as u32)?;
        if &self.current_leader != &Default::default() {
            let computed_size = types::Struct { version }.compute_size(&self.current_leader)?;
            if computed_size > std::u32::MAX as usize {
                bail!(
                    "Tagged field is too large to encode ({} bytes)",
                    computed_size
                );
            }
            total_size += types::UnsignedVarInt.compute_size(0)?;
            total_size += types::UnsignedVarInt.compute_size(computed_size as u32)?;
            total_size += computed_size;
        }

        total_size += compute_unknown_tagged_fields_size(&self.unknown_tagged_fields)?;
        Ok(total_size)
    }
}

#[cfg(feature = "client")]
impl Decodable for PartitionSnapshot {
    fn decode<B: ByteBuf>(buf: &mut B, version: i16) -> Result<Self> {
        if version < 0 || version > 1 {
            bail!("specified version not supported by this message type");
        }
        let index = types::Int32.decode(buf)?;
        let error_code = types::Int16.decode(buf)?;
        let snapshot_id = types::Struct { version }.decode(buf)?;
        let mut current_leader = Default::default();
        let size = types::Int64.decode(buf)?;
        let position = types::Int64.decode(buf)?;
        let unaligned_records = types::CompactBytes.decode(buf)?;
        let mut unknown_tagged_fields = BTreeMap::new();
        let num_tagged_fields = types::UnsignedVarInt.decode(buf)?;
        for _ in 0..num_tagged_fields {
            let tag: u32 = types::UnsignedVarInt.decode(buf)?;
            let size: u32 = types::UnsignedVarInt.decode(buf)?;
            match tag {
                0 => {
                    current_leader = types::Struct { version }.decode(buf)?;
                }
                _ => {
                    let unknown_value = buf.try_get_bytes(size as usize)?;
                    unknown_tagged_fields.insert(tag as i32, unknown_value);
                }
            }
        }
        Ok(Self {
            index,
            error_code,
            snapshot_id,
            current_leader,
            size,
            position,
            unaligned_records,
            unknown_tagged_fields,
        })
    }
}

impl Default for PartitionSnapshot {
    fn default() -> Self {
        Self {
            index: 0,
            error_code: 0,
            snapshot_id: Default::default(),
            current_leader: Default::default(),
            size: 0,
            position: 0,
            unaligned_records: Default::default(),
            unknown_tagged_fields: BTreeMap::new(),
        }
    }
}

impl Message for PartitionSnapshot {
    const VERSIONS: VersionRange = VersionRange { min: 0, max: 1 };
    const DEPRECATED_VERSIONS: Option<VersionRange> = None;
}

/// Valid versions: 0-1
#[non_exhaustive]
#[derive(Debug, Clone, PartialEq)]
pub struct SnapshotId {
    /// The snapshot end offset.
    ///
    /// Supported API versions: 0-1
    pub end_offset: i64,

    /// The snapshot epoch.
    ///
    /// Supported API versions: 0-1
    pub epoch: i32,

    /// Other tagged fields
    pub unknown_tagged_fields: BTreeMap<i32, Bytes>,
}

impl SnapshotId {
    /// Sets `end_offset` to the passed value.
    ///
    /// The snapshot end offset.
    ///
    /// Supported API versions: 0-1
    pub fn with_end_offset(mut self, value: i64) -> Self {
        self.end_offset = value;
        self
    }
    /// Sets `epoch` to the passed value.
    ///
    /// The snapshot epoch.
    ///
    /// Supported API versions: 0-1
    pub fn with_epoch(mut self, value: i32) -> Self {
        self.epoch = value;
        self
    }
    /// Sets unknown_tagged_fields to the passed value.
    pub fn with_unknown_tagged_fields(mut self, value: BTreeMap<i32, Bytes>) -> Self {
        self.unknown_tagged_fields = value;
        self
    }
    /// Inserts an entry into unknown_tagged_fields.
    pub fn with_unknown_tagged_field(mut self, key: i32, value: Bytes) -> Self {
        self.unknown_tagged_fields.insert(key, value);
        self
    }
}

#[cfg(feature = "broker")]
impl Encodable for SnapshotId {
    fn encode<B: ByteBufMut>(&self, buf: &mut B, version: i16) -> Result<()> {
        if version < 0 || version > 1 {
            bail!("specified version not supported by this message type");
        }
        types::Int64.encode(buf, &self.end_offset)?;
        types::Int32.encode(buf, &self.epoch)?;
        let num_tagged_fields = self.unknown_tagged_fields.len();
        if num_tagged_fields > std::u32::MAX as usize {
            bail!(
                "Too many tagged fields to encode ({} fields)",
                num_tagged_fields
            );
        }
        types::UnsignedVarInt.encode(buf, num_tagged_fields as u32)?;

        write_unknown_tagged_fields(buf, 0.., &self.unknown_tagged_fields)?;
        Ok(())
    }
    fn compute_size(&self, version: i16) -> Result<usize> {
        let mut total_size = 0;
        total_size += types::Int64.compute_size(&self.end_offset)?;
        total_size += types::Int32.compute_size(&self.epoch)?;
        let num_tagged_fields = self.unknown_tagged_fields.len();
        if num_tagged_fields > std::u32::MAX as usize {
            bail!(
                "Too many tagged fields to encode ({} fields)",
                num_tagged_fields
            );
        }
        total_size += types::UnsignedVarInt.compute_size(num_tagged_fields as u32)?;

        total_size += compute_unknown_tagged_fields_size(&self.unknown_tagged_fields)?;
        Ok(total_size)
    }
}

#[cfg(feature = "client")]
impl Decodable for SnapshotId {
    fn decode<B: ByteBuf>(buf: &mut B, version: i16) -> Result<Self> {
        if version < 0 || version > 1 {
            bail!("specified version not supported by this message type");
        }
        let end_offset = types::Int64.decode(buf)?;
        let epoch = types::Int32.decode(buf)?;
        let mut unknown_tagged_fields = BTreeMap::new();
        let num_tagged_fields = types::UnsignedVarInt.decode(buf)?;
        for _ in 0..num_tagged_fields {
            let tag: u32 = types::UnsignedVarInt.decode(buf)?;
            let size: u32 = types::UnsignedVarInt.decode(buf)?;
            let unknown_value = buf.try_get_bytes(size as usize)?;
            unknown_tagged_fields.insert(tag as i32, unknown_value);
        }
        Ok(Self {
            end_offset,
            epoch,
            unknown_tagged_fields,
        })
    }
}

impl Default for SnapshotId {
    fn default() -> Self {
        Self {
            end_offset: 0,
            epoch: 0,
            unknown_tagged_fields: BTreeMap::new(),
        }
    }
}

impl Message for SnapshotId {
    const VERSIONS: VersionRange = VersionRange { min: 0, max: 1 };
    const DEPRECATED_VERSIONS: Option<VersionRange> = None;
}

/// Valid versions: 0-1
#[non_exhaustive]
#[derive(Debug, Clone, PartialEq)]
pub struct TopicSnapshot {
    /// The name of the topic to fetch.
    ///
    /// Supported API versions: 0-1
    pub name: super::TopicName,

    /// The partitions to fetch.
    ///
    /// Supported API versions: 0-1
    pub partitions: Vec<PartitionSnapshot>,

    /// Other tagged fields
    pub unknown_tagged_fields: BTreeMap<i32, Bytes>,
}

impl TopicSnapshot {
    /// Sets `name` to the passed value.
    ///
    /// The name of the topic to fetch.
    ///
    /// Supported API versions: 0-1
    pub fn with_name(mut self, value: super::TopicName) -> Self {
        self.name = value;
        self
    }
    /// Sets `partitions` to the passed value.
    ///
    /// The partitions to fetch.
    ///
    /// Supported API versions: 0-1
    pub fn with_partitions(mut self, value: Vec<PartitionSnapshot>) -> Self {
        self.partitions = value;
        self
    }
    /// Sets unknown_tagged_fields to the passed value.
    pub fn with_unknown_tagged_fields(mut self, value: BTreeMap<i32, Bytes>) -> Self {
        self.unknown_tagged_fields = value;
        self
    }
    /// Inserts an entry into unknown_tagged_fields.
    pub fn with_unknown_tagged_field(mut self, key: i32, value: Bytes) -> Self {
        self.unknown_tagged_fields.insert(key, value);
        self
    }
}

#[cfg(feature = "broker")]
impl Encodable for TopicSnapshot {
    fn encode<B: ByteBufMut>(&self, buf: &mut B, version: i16) -> Result<()> {
        if version < 0 || version > 1 {
            bail!("specified version not supported by this message type");
        }
        types::CompactString.encode(buf, &self.name)?;
        types::CompactArray(types::Struct { version }).encode(buf, &self.partitions)?;
        let num_tagged_fields = self.unknown_tagged_fields.len();
        if num_tagged_fields > std::u32::MAX as usize {
            bail!(
                "Too many tagged fields to encode ({} fields)",
                num_tagged_fields
            );
        }
        types::UnsignedVarInt.encode(buf, num_tagged_fields as u32)?;

        write_unknown_tagged_fields(buf, 0.., &self.unknown_tagged_fields)?;
        Ok(())
    }
    fn compute_size(&self, version: i16) -> Result<usize> {
        let mut total_size = 0;
        total_size += types::CompactString.compute_size(&self.name)?;
        total_size +=
            types::CompactArray(types::Struct { version }).compute_size(&self.partitions)?;
        let num_tagged_fields = self.unknown_tagged_fields.len();
        if num_tagged_fields > std::u32::MAX as usize {
            bail!(
                "Too many tagged fields to encode ({} fields)",
                num_tagged_fields
            );
        }
        total_size += types::UnsignedVarInt.compute_size(num_tagged_fields as u32)?;

        total_size += compute_unknown_tagged_fields_size(&self.unknown_tagged_fields)?;
        Ok(total_size)
    }
}

#[cfg(feature = "client")]
impl Decodable for TopicSnapshot {
    fn decode<B: ByteBuf>(buf: &mut B, version: i16) -> Result<Self> {
        if version < 0 || version > 1 {
            bail!("specified version not supported by this message type");
        }
        let name = types::CompactString.decode(buf)?;
        let partitions = types::CompactArray(types::Struct { version }).decode(buf)?;
        let mut unknown_tagged_fields = BTreeMap::new();
        let num_tagged_fields = types::UnsignedVarInt.decode(buf)?;
        for _ in 0..num_tagged_fields {
            let tag: u32 = types::UnsignedVarInt.decode(buf)?;
            let size: u32 = types::UnsignedVarInt.decode(buf)?;
            let unknown_value = buf.try_get_bytes(size as usize)?;
            unknown_tagged_fields.insert(tag as i32, unknown_value);
        }
        Ok(Self {
            name,
            partitions,
            unknown_tagged_fields,
        })
    }
}

impl Default for TopicSnapshot {
    fn default() -> Self {
        Self {
            name: Default::default(),
            partitions: Default::default(),
            unknown_tagged_fields: BTreeMap::new(),
        }
    }
}

impl Message for TopicSnapshot {
    const VERSIONS: VersionRange = VersionRange { min: 0, max: 1 };
    const DEPRECATED_VERSIONS: Option<VersionRange> = None;
}

impl HeaderVersion for FetchSnapshotResponse {
    fn header_version(version: i16) -> i16 {
        1
    }
}