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_i32, get_i8, put_i32};
use crate::primitives::string_bytes::{
    compact_string_len, get_compact_string_owned, get_string_owned,
    put_compact_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)]
pub struct DescribeTopicPartitionsRequest {
    pub topics: Vec<TopicRequest>,
    pub response_partition_limit: i32,
    pub cursor: Option<Cursor>,
    pub unknown_tagged_fields: UnknownTaggedFields,
}

impl Default for DescribeTopicPartitionsRequest {
    fn default() -> Self {
        Self {
            topics: Vec::new(),
            response_partition_limit: 2_000i32,
            cursor: None,
            unknown_tagged_fields: Default::default(),
        }
    }
}

impl Encode for DescribeTopicPartitionsRequest {
    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 { { crate::primitives::array::put_array_len(buf, (self.topics).len(), flex); for it in &self.topics { it.encode(buf, version)?; } } }
        if version >= 0 { put_i32(buf, self.response_partition_limit) }
        if version >= 0 { match &self.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 += { 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 += 4; }
        if version >= 0 { n += 1 + self.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 DescribeTopicPartitionsRequest {
    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.topics = { let n = crate::primitives::array::get_array_len(buf, flex)?; let mut v = Vec::with_capacity(n); for _ in 0..n { v.push(TopicRequest::decode(buf, version)?); } v }; }
        if version >= 0 { out.response_partition_limit = get_i32(buf)?; }
        if version >= 0 { out.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, Default)]
pub struct TopicRequest {
    pub name: String,
    pub unknown_tagged_fields: UnknownTaggedFields,
}

impl Encode for TopicRequest {
    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.name) } else { put_string(buf, &self.name) } }
        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.name) } else { string_len(&self.name) }; }
        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 TopicRequest {
    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.name = if flex { get_compact_string_owned(buf)? } else { get_string_owned(buf)? }; }
        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("topics".to_string(), ::serde_json::Value::Array(vec![]));
    obj.insert("responsePartitionLimit".to_string(), ::serde_json::json!(2000));
    obj.insert("cursor".to_string(), ::serde_json::Value::Null);
    ::serde_json::Value::Object(obj)
}

impl crate::ProtocolRequest for DescribeTopicPartitionsRequest {
    const API_KEY: i16 = API_KEY;
    const MIN_VERSION: i16 = MIN_VERSION;
    const MAX_VERSION: i16 = MAX_VERSION;
    const FLEXIBLE_MIN: i16 = FLEXIBLE_MIN;
    type Response = super::describe_topic_partitions_response::DescribeTopicPartitionsResponse;
}