crabka-protocol 0.3.1

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

use bytes::{Buf, BufMut};

use crate::primitives::fixed::{get_i8, get_i32, 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::{WriteTaggedFields, read_tagged_fields, tagged_fields_len};
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 Decode<'_> 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)
    }
}
#[cfg(test)]
impl DescribeTopicPartitionsRequest {
    #[must_use]
    pub fn populated(version: i16) -> Self {
        let mut m = Self::default();
        if version >= 0 {
            m.topics = vec![TopicRequest::populated(version)];
        }
        if version >= 0 {
            m.response_partition_limit = 1i32;
        }
        if version >= 0 {
            m.cursor = Some(Cursor::populated(version));
        }
        m
    }
}
#[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 Decode<'_> 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)
    }
}
#[cfg(test)]
impl TopicRequest {
    #[must_use]
    pub fn populated(version: i16) -> Self {
        let mut m = Self::default();
        if version >= 0 {
            m.name = "x".to_string();
        }
        m
    }
}
#[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 Decode<'_> 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)
    }
}
#[cfg(test)]
impl Cursor {
    #[must_use]
    pub fn populated(version: i16) -> Self {
        let mut m = Self::default();
        if version >= 0 {
            m.topic_name = "x".to_string();
        }
        if version >= 0 {
            m.partition_index = 1i32;
        }
        m
    }
}

/// 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;
}