crabka-protocol 0.3.2

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

use bytes::{Buf, BufMut};

use crate::primitives::fixed::{get_bool, get_i8, get_i16, get_i32, 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::{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, 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 Decode<'_> 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)
    }
}
#[cfg(test)]
impl DescribeTopicPartitionsResponse {
    #[must_use]
    pub fn populated(version: i16) -> Self {
        let mut m = Self::default();
        if version >= 0 {
            m.throttle_time_ms = 1i32;
        }
        if version >= 0 {
            m.topics = vec![DescribeTopicPartitionsResponseTopic::populated(version)];
        }
        if version >= 0 {
            m.next_cursor = Some(Cursor::populated(version));
        }
        m
    }
}
#[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 Decode<'_> 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)
    }
}
#[cfg(test)]
impl DescribeTopicPartitionsResponseTopic {
    #[must_use]
    pub fn populated(version: i16) -> Self {
        let mut m = Self::default();
        if version >= 0 {
            m.error_code = 1i16;
        }
        if version >= 0 {
            m.name = Some("x".to_string());
        }
        if version >= 0 {
            m.topic_id = crate::primitives::uuid::Uuid([1u8; 16]);
        }
        if version >= 0 {
            m.is_internal = true;
        }
        if version >= 0 {
            m.partitions = vec![DescribeTopicPartitionsResponsePartition::populated(version)];
        }
        if version >= 0 {
            m.topic_authorized_operations = 1i32;
        }
        m
    }
}
#[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(std::vec::Vec::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(std::vec::Vec::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 Decode<'_> 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)
    }
}
#[cfg(test)]
impl DescribeTopicPartitionsResponsePartition {
    #[must_use]
    pub fn populated(version: i16) -> Self {
        let mut m = Self::default();
        if version >= 0 {
            m.error_code = 1i16;
        }
        if version >= 0 {
            m.partition_index = 1i32;
        }
        if version >= 0 {
            m.leader_id = 1i32;
        }
        if version >= 0 {
            m.leader_epoch = 1i32;
        }
        if version >= 0 {
            m.replica_nodes = vec![1i32];
        }
        if version >= 0 {
            m.isr_nodes = vec![1i32];
        }
        if version >= 0 {
            m.eligible_leader_replicas = Some(vec![1i32]);
        }
        if version >= 0 {
            m.last_known_elr = Some(vec![1i32]);
        }
        if version >= 0 {
            m.offline_replicas = vec![1i32];
        }
        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("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)
}