//! 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 bytes::Bytes;
use log::error;
use uuid::Uuid;

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


/// Valid versions: 0
#[derive(Debug, Clone, PartialEq, derive_builder::Builder)]
pub struct SnapshotId {
    /// 
    /// 
    /// Supported API versions: 0
    pub end_offset: i64,

    /// 
    /// 
    /// Supported API versions: 0
    pub epoch: i32,

    /// Other tagged fields
    pub unknown_tagged_fields: BTreeMap<i32, Vec<u8>>,
}

impl Encodable for SnapshotId {
    fn encode<B: ByteBufMut>(&self, buf: &mut B, version: i16) -> Result<(), EncodeError> {
        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 {
            error!("Too many tagged fields to encode ({} fields)", num_tagged_fields);
            return Err(EncodeError);
        }
        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, EncodeError> {
        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 {
            error!("Too many tagged fields to encode ({} fields)", num_tagged_fields);
            return Err(EncodeError);
        }
        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)
    }
}

impl Decodable for SnapshotId {
    fn decode<B: ByteBuf>(buf: &mut B, version: i16) -> Result<Self, DecodeError> {
        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 mut unknown_value = vec![0; size as usize];
            buf.try_copy_to_slice(&mut unknown_value)?;
            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: 0 };
}

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

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

    /// Other tagged fields
    pub unknown_tagged_fields: BTreeMap<i32, Vec<u8>>,
}

impl Encodable for LeaderIdAndEpoch {
    fn encode<B: ByteBufMut>(&self, buf: &mut B, version: i16) -> Result<(), EncodeError> {
        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 {
            error!("Too many tagged fields to encode ({} fields)", num_tagged_fields);
            return Err(EncodeError);
        }
        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, EncodeError> {
        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 {
            error!("Too many tagged fields to encode ({} fields)", num_tagged_fields);
            return Err(EncodeError);
        }
        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)
    }
}

impl Decodable for LeaderIdAndEpoch {
    fn decode<B: ByteBuf>(buf: &mut B, version: i16) -> Result<Self, DecodeError> {
        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 mut unknown_value = vec![0; size as usize];
            buf.try_copy_to_slice(&mut unknown_value)?;
            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: 0 };
}

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

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

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

    /// 
    /// 
    /// Supported API versions: 0
    pub current_leader: LeaderIdAndEpoch,

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

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

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

    /// Other tagged fields
    pub unknown_tagged_fields: BTreeMap<i32, Vec<u8>>,
}

impl Encodable for PartitionSnapshot {
    fn encode<B: ByteBufMut>(&self, buf: &mut B, version: i16) -> Result<(), EncodeError> {
        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 {
            error!("Too many tagged fields to encode ({} fields)", num_tagged_fields);
            return Err(EncodeError);
        }
        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 {
                error!("Tagged field is too large to encode ({} bytes)", computed_size);
                return Err(EncodeError);
            }
            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, EncodeError> {
        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 {
            error!("Too many tagged fields to encode ({} fields)", num_tagged_fields);
            return Err(EncodeError);
        }
        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 {
                error!("Tagged field is too large to encode ({} bytes)", computed_size);
                return Err(EncodeError);
            }
            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)
    }
}

impl Decodable for PartitionSnapshot {
    fn decode<B: ByteBuf>(buf: &mut B, version: i16) -> Result<Self, DecodeError> {
        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 mut unknown_value = vec![0; size as usize];
                    buf.try_copy_to_slice(&mut unknown_value)?;
                    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: 0 };
}

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

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

    /// Other tagged fields
    pub unknown_tagged_fields: BTreeMap<i32, Vec<u8>>,
}

impl Encodable for TopicSnapshot {
    fn encode<B: ByteBufMut>(&self, buf: &mut B, version: i16) -> Result<(), EncodeError> {
        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 {
            error!("Too many tagged fields to encode ({} fields)", num_tagged_fields);
            return Err(EncodeError);
        }
        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, EncodeError> {
        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 {
            error!("Too many tagged fields to encode ({} fields)", num_tagged_fields);
            return Err(EncodeError);
        }
        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)
    }
}

impl Decodable for TopicSnapshot {
    fn decode<B: ByteBuf>(buf: &mut B, version: i16) -> Result<Self, DecodeError> {
        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 mut unknown_value = vec![0; size as usize];
            buf.try_copy_to_slice(&mut unknown_value)?;
            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: 0 };
}

/// Valid versions: 0
#[derive(Debug, Clone, PartialEq, derive_builder::Builder)]
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
    pub throttle_time_ms: i32,

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

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

    /// Other tagged fields
    pub unknown_tagged_fields: BTreeMap<i32, Vec<u8>>,
}

impl Encodable for FetchSnapshotResponse {
    fn encode<B: ByteBufMut>(&self, buf: &mut B, version: i16) -> Result<(), EncodeError> {
        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 num_tagged_fields = self.unknown_tagged_fields.len();
        if num_tagged_fields > std::u32::MAX as usize {
            error!("Too many tagged fields to encode ({} fields)", num_tagged_fields);
            return Err(EncodeError);
        }
        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, EncodeError> {
        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 num_tagged_fields = self.unknown_tagged_fields.len();
        if num_tagged_fields > std::u32::MAX as usize {
            error!("Too many tagged fields to encode ({} fields)", num_tagged_fields);
            return Err(EncodeError);
        }
        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)
    }
}

impl Decodable for FetchSnapshotResponse {
    fn decode<B: ByteBuf>(buf: &mut B, version: i16) -> Result<Self, DecodeError> {
        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 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 mut unknown_value = vec![0; size as usize];
            buf.try_copy_to_slice(&mut unknown_value)?;
            unknown_tagged_fields.insert(tag as i32, unknown_value);
        }
        Ok(Self {
            throttle_time_ms,
            error_code,
            topics,
            unknown_tagged_fields,
        })
    }
}

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

impl Message for FetchSnapshotResponse {
    const VERSIONS: VersionRange = VersionRange { min: 0, max: 0 };
}

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