crabka-protocol 0.1.2

// AUTO-GENERATED by crabka-protocol-codegen against a9ce3221537b8653448750697915607dc7936cf3. Do not edit.

use bytes::{Buf, BufMut};

use crate::primitives::fixed::{get_bool, get_i16, get_i32, get_i8, put_bool, put_i16, put_i32};
use crate::primitives::string_bytes::{
    compact_nullable_string_len, compact_string_len, get_compact_nullable_string_owned,
    get_compact_string_owned, get_nullable_string_owned, get_string_owned, nullable_string_len,
    put_compact_nullable_string, put_compact_string, put_nullable_string, put_string,
    string_len,
};
use crate::tagged_fields::{read_tagged_fields, tagged_fields_len, WriteTaggedFields};
use crate::{Decode, Encode, ProtocolError, UnknownTaggedFields};

pub const API_KEY: i16 = 75;
pub const MIN_VERSION: i16 = 0;
pub const MAX_VERSION: i16 = 0;
pub const FLEXIBLE_MIN: i16 = 0;

#[inline]
fn is_flexible(version: i16) -> bool { version >= FLEXIBLE_MIN }

#[derive(Debug, Clone, PartialEq, Eq, Default)]
pub struct DescribeTopicPartitionsResponse {
    pub throttle_time_ms: i32,
    pub topics: Vec<DescribeTopicPartitionsResponseTopic>,
    pub next_cursor: Option<Cursor>,
    pub unknown_tagged_fields: UnknownTaggedFields,
}

impl Encode for DescribeTopicPartitionsResponse {
    fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
        if !(MIN_VERSION..=MAX_VERSION).contains(&version) {
            return Err(ProtocolError::UnsupportedVersion { api_key: API_KEY, version });
        }
        let flex = is_flexible(version);
        if version >= 0 { put_i32(buf, self.throttle_time_ms) }
        if version >= 0 { { crate::primitives::array::put_array_len(buf, (self.topics).len(), flex); for it in &self.topics { it.encode(buf, version)?; } } }
        if version >= 0 { match &self.next_cursor { None => { buf.put_i8(-1); }, Some(v) => { buf.put_i8(1); v.encode(buf, version)?; } } }
        if flex {
            let tagged = WriteTaggedFields::new();
            tagged.write(buf, &self.unknown_tagged_fields);
        }
        Ok(())
    }
    fn encoded_len(&self, version: i16) -> usize {
        let flex = is_flexible(version);
        let mut n: usize = 0;
        if version >= 0 { n += 4; }
        if version >= 0 { n += { let prefix = crate::primitives::array::array_len_prefix_len((self.topics).len(), flex); let body: usize = (self.topics).iter().map(|it| it.encoded_len(version)).sum(); prefix + body }; }
        if version >= 0 { n += 1 + self.next_cursor.as_ref().map_or(0, |v| v.encoded_len(version)); }
        if flex {
            let known_pairs: Vec<(u32, usize)> = Vec::new();
            n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
        }
        n
    }
}

impl<'de> Decode<'de> for DescribeTopicPartitionsResponse {
    fn decode<B: Buf>(buf: &mut B, version: i16) -> Result<Self, ProtocolError> {
        if !(MIN_VERSION..=MAX_VERSION).contains(&version) {
            return Err(ProtocolError::UnsupportedVersion { api_key: API_KEY, version });
        }
        let flex = is_flexible(version);
        let mut out = Self::default();
        if version >= 0 { out.throttle_time_ms = get_i32(buf)?; }
        if version >= 0 { out.topics = { let n = crate::primitives::array::get_array_len(buf, flex)?; let mut v = Vec::with_capacity(n); for _ in 0..n { v.push(DescribeTopicPartitionsResponseTopic::decode(buf, version)?); } v }; }
        if version >= 0 { out.next_cursor = if get_i8(buf)? < 0 { None } else { Some(Cursor::decode(buf, version)?) }; }
        if flex {
            out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| {
                Ok(false)
            })?;
        }
        Ok(out)
    }
}

#[derive(Debug, Clone, PartialEq, Eq)]
pub struct DescribeTopicPartitionsResponseTopic {
    pub error_code: i16,
    pub name: Option<String>,
    pub topic_id: crate::primitives::uuid::Uuid,
    pub is_internal: bool,
    pub partitions: Vec<DescribeTopicPartitionsResponsePartition>,
    pub topic_authorized_operations: i32,
    pub unknown_tagged_fields: UnknownTaggedFields,
}

impl Default for DescribeTopicPartitionsResponseTopic {
    fn default() -> Self {
        Self {
            error_code: 0i16,
            name: None,
            topic_id: Default::default(),
            is_internal: false,
            partitions: Vec::new(),
            topic_authorized_operations: -2_147_483_648i32,
            unknown_tagged_fields: Default::default(),
        }
    }
}

impl Encode for DescribeTopicPartitionsResponseTopic {
    fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
        let flex = version >= 0;
        if version >= 0 { put_i16(buf, self.error_code) }
        if version >= 0 { if flex { put_compact_nullable_string(buf, self.name.as_deref()) } else { put_nullable_string(buf, self.name.as_deref()) } }
        if version >= 0 { crate::primitives::uuid::put_uuid(buf, self.topic_id) }
        if version >= 0 { put_bool(buf, self.is_internal) }
        if version >= 0 { { crate::primitives::array::put_array_len(buf, (self.partitions).len(), flex); for it in &self.partitions { it.encode(buf, version)?; } } }
        if version >= 0 { put_i32(buf, self.topic_authorized_operations) }
        if flex {
            let tagged = WriteTaggedFields::new();
            tagged.write(buf, &self.unknown_tagged_fields);
        }
        Ok(())
    }
    fn encoded_len(&self, version: i16) -> usize {
        let flex = version >= 0;
        let mut n: usize = 0;
        if version >= 0 { n += 2; }
        if version >= 0 { n += if flex { compact_nullable_string_len(self.name.as_deref()) } else { nullable_string_len(self.name.as_deref()) }; }
        if version >= 0 { n += 16; }
        if version >= 0 { n += 1; }
        if version >= 0 { n += { let prefix = crate::primitives::array::array_len_prefix_len((self.partitions).len(), flex); let body: usize = (self.partitions).iter().map(|it| it.encoded_len(version)).sum(); prefix + body }; }
        if version >= 0 { n += 4; }
        if flex {
            let known_pairs: Vec<(u32, usize)> = Vec::new();
            n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
        }
        n
    }
}

impl<'de> Decode<'de> for DescribeTopicPartitionsResponseTopic {
    fn decode<B: Buf>(buf: &mut B, version: i16) -> Result<Self, ProtocolError> {
        let flex = version >= 0;
        let mut out = Self::default();
        if version >= 0 { out.error_code = get_i16(buf)?; }
        if version >= 0 { out.name = if flex { get_compact_nullable_string_owned(buf)? } else { get_nullable_string_owned(buf)? }; }
        if version >= 0 { out.topic_id = crate::primitives::uuid::get_uuid(buf)?; }
        if version >= 0 { out.is_internal = get_bool(buf)?; }
        if version >= 0 { out.partitions = { let n = crate::primitives::array::get_array_len(buf, flex)?; let mut v = Vec::with_capacity(n); for _ in 0..n { v.push(DescribeTopicPartitionsResponsePartition::decode(buf, version)?); } v }; }
        if version >= 0 { out.topic_authorized_operations = get_i32(buf)?; }
        if flex {
            out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| {
                Ok(false)
            })?;
        }
        Ok(out)
    }
}

#[derive(Debug, Clone, PartialEq, Eq)]
pub struct DescribeTopicPartitionsResponsePartition {
    pub error_code: i16,
    pub partition_index: i32,
    pub leader_id: i32,
    pub leader_epoch: i32,
    pub replica_nodes: Vec<i32>,
    pub isr_nodes: Vec<i32>,
    pub eligible_leader_replicas: Option<Vec<i32>>,
    pub last_known_elr: Option<Vec<i32>>,
    pub offline_replicas: Vec<i32>,
    pub unknown_tagged_fields: UnknownTaggedFields,
}

impl Default for DescribeTopicPartitionsResponsePartition {
    fn default() -> Self {
        Self {
            error_code: 0i16,
            partition_index: 0i32,
            leader_id: 0i32,
            leader_epoch: -1i32,
            replica_nodes: Vec::new(),
            isr_nodes: Vec::new(),
            eligible_leader_replicas: None,
            last_known_elr: None,
            offline_replicas: Vec::new(),
            unknown_tagged_fields: Default::default(),
        }
    }
}

impl Encode for DescribeTopicPartitionsResponsePartition {
    fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
        let flex = version >= 0;
        if version >= 0 { put_i16(buf, self.error_code) }
        if version >= 0 { put_i32(buf, self.partition_index) }
        if version >= 0 { put_i32(buf, self.leader_id) }
        if version >= 0 { put_i32(buf, self.leader_epoch) }
        if version >= 0 { { crate::primitives::array::put_array_len(buf, (self.replica_nodes).len(), flex); for it in &self.replica_nodes { put_i32(buf, *it); } } }
        if version >= 0 { { crate::primitives::array::put_array_len(buf, (self.isr_nodes).len(), flex); for it in &self.isr_nodes { put_i32(buf, *it); } } }
        if version >= 0 { { let len = (self.eligible_leader_replicas).as_ref().map(Vec::len); crate::primitives::array::put_nullable_array_len(buf, len, flex); if let Some(v) = &self.eligible_leader_replicas { for it in v { put_i32(buf, *it); } } } }
        if version >= 0 { { let len = (self.last_known_elr).as_ref().map(Vec::len); crate::primitives::array::put_nullable_array_len(buf, len, flex); if let Some(v) = &self.last_known_elr { for it in v { put_i32(buf, *it); } } } }
        if version >= 0 { { crate::primitives::array::put_array_len(buf, (self.offline_replicas).len(), flex); for it in &self.offline_replicas { put_i32(buf, *it); } } }
        if flex {
            let tagged = WriteTaggedFields::new();
            tagged.write(buf, &self.unknown_tagged_fields);
        }
        Ok(())
    }
    fn encoded_len(&self, version: i16) -> usize {
        let flex = version >= 0;
        let mut n: usize = 0;
        if version >= 0 { n += 2; }
        if version >= 0 { n += 4; }
        if version >= 0 { n += 4; }
        if version >= 0 { n += 4; }
        if version >= 0 { n += { let prefix = crate::primitives::array::array_len_prefix_len((self.replica_nodes).len(), flex); let body: usize = (self.replica_nodes).iter().map(|_| 4).sum(); prefix + body }; }
        if version >= 0 { n += { let prefix = crate::primitives::array::array_len_prefix_len((self.isr_nodes).len(), flex); let body: usize = (self.isr_nodes).iter().map(|_| 4).sum(); prefix + body }; }
        if version >= 0 { n += { let opt: Option<&Vec<_>> = (self.eligible_leader_replicas).as_ref(); let prefix = crate::primitives::array::nullable_array_len_prefix_len(opt.map(|v| v.len()), flex); let body: usize = opt.map_or(0, |v| v.iter().map(|_| 4).sum()); prefix + body }; }
        if version >= 0 { n += { let opt: Option<&Vec<_>> = (self.last_known_elr).as_ref(); let prefix = crate::primitives::array::nullable_array_len_prefix_len(opt.map(|v| v.len()), flex); let body: usize = opt.map_or(0, |v| v.iter().map(|_| 4).sum()); prefix + body }; }
        if version >= 0 { n += { let prefix = crate::primitives::array::array_len_prefix_len((self.offline_replicas).len(), flex); let body: usize = (self.offline_replicas).iter().map(|_| 4).sum(); prefix + body }; }
        if flex {
            let known_pairs: Vec<(u32, usize)> = Vec::new();
            n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
        }
        n
    }
}

impl<'de> Decode<'de> for DescribeTopicPartitionsResponsePartition {
    fn decode<B: Buf>(buf: &mut B, version: i16) -> Result<Self, ProtocolError> {
        let flex = version >= 0;
        let mut out = Self::default();
        if version >= 0 { out.error_code = get_i16(buf)?; }
        if version >= 0 { out.partition_index = get_i32(buf)?; }
        if version >= 0 { out.leader_id = get_i32(buf)?; }
        if version >= 0 { out.leader_epoch = get_i32(buf)?; }
        if version >= 0 { out.replica_nodes = { let n = crate::primitives::array::get_array_len(buf, flex)?; let mut v = Vec::with_capacity(n); for _ in 0..n { v.push(get_i32(buf)?); } v }; }
        if version >= 0 { out.isr_nodes = { let n = crate::primitives::array::get_array_len(buf, flex)?; let mut v = Vec::with_capacity(n); for _ in 0..n { v.push(get_i32(buf)?); } v }; }
        if version >= 0 { out.eligible_leader_replicas = { let opt = crate::primitives::array::get_nullable_array_len(buf, flex)?; match opt { None => None, Some(n) => { let mut v = Vec::with_capacity(n); for _ in 0..n { v.push(get_i32(buf)?); } Some(v) } } }; }
        if version >= 0 { out.last_known_elr = { let opt = crate::primitives::array::get_nullable_array_len(buf, flex)?; match opt { None => None, Some(n) => { let mut v = Vec::with_capacity(n); for _ in 0..n { v.push(get_i32(buf)?); } Some(v) } } }; }
        if version >= 0 { out.offline_replicas = { let n = crate::primitives::array::get_array_len(buf, flex)?; let mut v = Vec::with_capacity(n); for _ in 0..n { v.push(get_i32(buf)?); } v }; }
        if flex {
            out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| {
                Ok(false)
            })?;
        }
        Ok(out)
    }
}

#[derive(Debug, Clone, PartialEq, Eq, Default)]
pub struct Cursor {
    pub topic_name: String,
    pub partition_index: i32,
    pub unknown_tagged_fields: UnknownTaggedFields,
}

impl Encode for Cursor {
    fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
        let flex = version >= 0;
        if version >= 0 { if flex { put_compact_string(buf, &self.topic_name) } else { put_string(buf, &self.topic_name) } }
        if version >= 0 { put_i32(buf, self.partition_index) }
        if flex {
            let tagged = WriteTaggedFields::new();
            tagged.write(buf, &self.unknown_tagged_fields);
        }
        Ok(())
    }
    fn encoded_len(&self, version: i16) -> usize {
        let flex = version >= 0;
        let mut n: usize = 0;
        if version >= 0 { n += if flex { compact_string_len(&self.topic_name) } else { string_len(&self.topic_name) }; }
        if version >= 0 { n += 4; }
        if flex {
            let known_pairs: Vec<(u32, usize)> = Vec::new();
            n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
        }
        n
    }
}

impl<'de> Decode<'de> for Cursor {
    fn decode<B: Buf>(buf: &mut B, version: i16) -> Result<Self, ProtocolError> {
        let flex = version >= 0;
        let mut out = Self::default();
        if version >= 0 { out.topic_name = if flex { get_compact_string_owned(buf)? } else { get_string_owned(buf)? }; }
        if version >= 0 { out.partition_index = get_i32(buf)?; }
        if flex {
            out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| {
                Ok(false)
            })?;
        }
        Ok(out)
    }
}

/// Default JSON payload matching `Self::default()` for JVM oracle differential testing.
/// Only includes fields valid for the given version.
#[must_use]
#[allow(unused_comparisons)]
pub fn default_json(version: i16) -> ::serde_json::Value {
    let mut obj = ::serde_json::Map::new();
    obj.insert("throttleTimeMs".to_string(), ::serde_json::json!(0));
    obj.insert("topics".to_string(), ::serde_json::Value::Array(vec![]));
    obj.insert("nextCursor".to_string(), ::serde_json::Value::Null);
    ::serde_json::Value::Object(obj)
}