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_i32, get_i64, put_i32, put_i64};
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, encode_to_bytes, read_tagged_fields, tagged_fields_len,
};
use crate::{Decode, Encode, ProtocolError, UnknownTaggedFields};

pub const API_KEY: i16 = 59;
pub const MIN_VERSION: i16 = 0;
pub const MAX_VERSION: i16 = 1;
pub const FLEXIBLE_MIN: i16 = 0;

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

#[derive(Debug, Clone, PartialEq, Eq)]
pub struct FetchSnapshotRequest {
    pub replica_id: i32,
    pub max_bytes: i32,
    pub topics: Vec<TopicSnapshot>,
    pub cluster_id: Option<String>,
    pub unknown_tagged_fields: UnknownTaggedFields,
}
impl Default for FetchSnapshotRequest {
    fn default() -> Self {
        Self {
            replica_id: -1i32,
            max_bytes: 2_147_483_647i32,
            topics: Vec::new(),
            cluster_id: None,
            unknown_tagged_fields: Default::default(),
        }
    }
}
impl Encode for FetchSnapshotRequest {
    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.replica_id);
        }
        if version >= 0 {
            put_i32(buf, self.max_bytes);
        }
        if version >= 0 {
            {
                crate::primitives::array::put_array_len(buf, (self.topics).len(), flex);
                for it in &self.topics {
                    it.encode(buf, version)?;
                }
            }
        }
        if flex {
            let mut tagged = WriteTaggedFields::new();
            if !(self.cluster_id.is_none()) {
                let payload = encode_to_bytes(
                    if flex {
                        compact_nullable_string_len(self.cluster_id.as_deref())
                    } else {
                        nullable_string_len(self.cluster_id.as_deref())
                    },
                    |b| {
                        if flex {
                            put_compact_nullable_string(b, self.cluster_id.as_deref());
                        } else {
                            put_nullable_string(b, self.cluster_id.as_deref());
                        }
                        Ok(())
                    },
                );
                tagged.add(0, payload);
            }
            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 += 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 flex {
            let mut known_pairs: Vec<(u32, usize)> = Vec::new();
            if !(self.cluster_id.is_none()) {
                known_pairs.push((
                    0,
                    if flex {
                        compact_nullable_string_len(self.cluster_id.as_deref())
                    } else {
                        nullable_string_len(self.cluster_id.as_deref())
                    },
                ));
            }
            n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
        }
        n
    }
}
impl Decode<'_> for FetchSnapshotRequest {
    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.replica_id = get_i32(buf)?;
        }
        if version >= 0 {
            out.max_bytes = 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(TopicSnapshot::decode(buf, version)?);
                }
                v
            };
        }
        if flex {
            let mut tag_cluster_id = None;
            out.unknown_tagged_fields = read_tagged_fields(buf, |tag, payload| match tag {
                0 => {
                    tag_cluster_id = Some({
                        let b: &mut &[u8] = payload;
                        if flex {
                            get_compact_nullable_string_owned(b)?
                        } else {
                            get_nullable_string_owned(b)?
                        }
                    });
                    Ok(true)
                }
                _ => Ok(false),
            })?;
            if let Some(v) = tag_cluster_id {
                out.cluster_id = v;
            }
        }
        Ok(out)
    }
}
#[cfg(test)]
impl FetchSnapshotRequest {
    #[must_use]
    pub fn populated(version: i16) -> Self {
        let mut m = Self::default();
        if version >= 0 {
            m.replica_id = 1i32;
        }
        if version >= 0 {
            m.max_bytes = 1i32;
        }
        if version >= 0 {
            m.topics = vec![TopicSnapshot::populated(version)];
        }
        if version >= 0 {
            m.cluster_id = Some("x".to_string());
        }
        m
    }
}
#[derive(Debug, Clone, PartialEq, Eq, Default)]
pub struct TopicSnapshot {
    pub name: String,
    pub partitions: Vec<PartitionSnapshot>,
    pub unknown_tagged_fields: UnknownTaggedFields,
}
impl Encode for TopicSnapshot {
    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 version >= 0 {
            {
                crate::primitives::array::put_array_len(buf, (self.partitions).len(), flex);
                for it in &self.partitions {
                    it.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 = version >= 0;
        let mut n: usize = 0;
        if version >= 0 {
            n += if flex {
                compact_string_len(&self.name)
            } else {
                string_len(&self.name)
            };
        }
        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 flex {
            let known_pairs: Vec<(u32, usize)> = Vec::new();
            n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
        }
        n
    }
}
impl Decode<'_> for TopicSnapshot {
    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 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(PartitionSnapshot::decode(buf, version)?);
                }
                v
            };
        }
        if flex {
            out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
        }
        Ok(out)
    }
}
#[cfg(test)]
impl TopicSnapshot {
    #[must_use]
    pub fn populated(version: i16) -> Self {
        let mut m = Self::default();
        if version >= 0 {
            m.name = "x".to_string();
        }
        if version >= 0 {
            m.partitions = vec![PartitionSnapshot::populated(version)];
        }
        m
    }
}
#[derive(Debug, Clone, PartialEq, Eq, Default)]
pub struct PartitionSnapshot {
    pub partition: i32,
    pub current_leader_epoch: i32,
    pub snapshot_id: SnapshotId,
    pub position: i64,
    pub replica_directory_id: crate::primitives::uuid::Uuid,
    pub unknown_tagged_fields: UnknownTaggedFields,
}
impl Encode for PartitionSnapshot {
    fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
        let flex = version >= 0;
        if version >= 0 {
            put_i32(buf, self.partition);
        }
        if version >= 0 {
            put_i32(buf, self.current_leader_epoch);
        }
        if version >= 0 {
            self.snapshot_id.encode(buf, version)?;
        }
        if version >= 0 {
            put_i64(buf, self.position);
        }
        if flex {
            let mut tagged = WriteTaggedFields::new();
            if !(crate::codegen_helpers::is_default(&self.replica_directory_id)) {
                let payload = encode_to_bytes(16, |b| {
                    crate::primitives::uuid::put_uuid(b, self.replica_directory_id);
                    Ok(())
                });
                tagged.add(0, payload);
            }
            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 += 4;
        }
        if version >= 0 {
            n += 4;
        }
        if version >= 0 {
            n += self.snapshot_id.encoded_len(version);
        }
        if version >= 0 {
            n += 8;
        }
        if flex {
            let mut known_pairs: Vec<(u32, usize)> = Vec::new();
            if !(crate::codegen_helpers::is_default(&self.replica_directory_id)) {
                known_pairs.push((0, 16));
            }
            n += tagged_fields_len(&known_pairs, &self.unknown_tagged_fields);
        }
        n
    }
}
impl Decode<'_> for PartitionSnapshot {
    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.partition = get_i32(buf)?;
        }
        if version >= 0 {
            out.current_leader_epoch = get_i32(buf)?;
        }
        if version >= 0 {
            out.snapshot_id = SnapshotId::decode(buf, version)?;
        }
        if version >= 0 {
            out.position = get_i64(buf)?;
        }
        if flex {
            let mut tag_replica_directory_id = None;
            out.unknown_tagged_fields = read_tagged_fields(buf, |tag, payload| match tag {
                0 => {
                    tag_replica_directory_id = Some({
                        let b: &mut &[u8] = payload;
                        crate::primitives::uuid::get_uuid(b)?
                    });
                    Ok(true)
                }
                _ => Ok(false),
            })?;
            if let Some(v) = tag_replica_directory_id {
                out.replica_directory_id = v;
            }
        }
        Ok(out)
    }
}
#[cfg(test)]
impl PartitionSnapshot {
    #[must_use]
    pub fn populated(version: i16) -> Self {
        let mut m = Self::default();
        if version >= 0 {
            m.partition = 1i32;
        }
        if version >= 0 {
            m.current_leader_epoch = 1i32;
        }
        if version >= 0 {
            m.snapshot_id = SnapshotId::populated(version);
        }
        if version >= 0 {
            m.position = 1i64;
        }
        if version >= 1 {
            m.replica_directory_id = crate::primitives::uuid::Uuid([1u8; 16]);
        }
        m
    }
}
#[derive(Debug, Clone, PartialEq, Eq, Default)]
pub struct SnapshotId {
    pub end_offset: i64,
    pub epoch: i32,
    pub unknown_tagged_fields: UnknownTaggedFields,
}
impl Encode for SnapshotId {
    fn encode<B: BufMut>(&self, buf: &mut B, version: i16) -> Result<(), ProtocolError> {
        let flex = version >= 0;
        if version >= 0 {
            put_i64(buf, self.end_offset);
        }
        if version >= 0 {
            put_i32(buf, self.epoch);
        }
        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 += 8;
        }
        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 SnapshotId {
    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.end_offset = get_i64(buf)?;
        }
        if version >= 0 {
            out.epoch = get_i32(buf)?;
        }
        if flex {
            out.unknown_tagged_fields = read_tagged_fields(buf, |_tag, _payload| Ok(false))?;
        }
        Ok(out)
    }
}
#[cfg(test)]
impl SnapshotId {
    #[must_use]
    pub fn populated(version: i16) -> Self {
        let mut m = Self::default();
        if version >= 0 {
            m.end_offset = 1i64;
        }
        if version >= 0 {
            m.epoch = 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("clusterId".to_string(), ::serde_json::Value::Null);
    obj.insert("replicaId".to_string(), ::serde_json::json!(-1));
    obj.insert("maxBytes".to_string(), ::serde_json::json!(2147483647));
    obj.insert("topics".to_string(), ::serde_json::Value::Array(vec![]));
    ::serde_json::Value::Object(obj)
}

impl crate::ProtocolRequest for FetchSnapshotRequest {
    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::fetch_snapshot_response::FetchSnapshotResponse;
}