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//! ListGroupsRequest
//!
//! See the schema for this message [here](https://github.com/apache/kafka/blob/trunk/clients/src/main/resources/common/message/ListGroupsRequest.json).
// WARNING: the items of this module are generated and should not be edited directly
#![allow(unused)]

use std::borrow::Borrow;
use std::collections::BTreeMap;

use bytes::Bytes;
use log::error;
use uuid::Uuid;

use crate::protocol::{
    Encodable, Decodable, MapEncodable, MapDecodable, Encoder, Decoder, EncodeError, DecodeError, Message, HeaderVersion, VersionRange,
    types, write_unknown_tagged_fields, compute_unknown_tagged_fields_size, StrBytes, buf::{ByteBuf, ByteBufMut}
};


/// Valid versions: 0-4
#[derive(Debug, Clone, PartialEq, derive_builder::Builder)]
pub struct ListGroupsRequest {
    /// The states of the groups we want to list. If empty all groups are returned with their state.
    /// 
    /// Supported API versions: 4
    pub states_filter: Vec<StrBytes>,

    /// Other tagged fields
    pub unknown_tagged_fields: BTreeMap<i32, Vec<u8>>,
}

impl Encodable for ListGroupsRequest {
    fn encode<B: ByteBufMut>(&self, buf: &mut B, version: i16) -> Result<(), EncodeError> {
        if version >= 4 {
            types::CompactArray(types::CompactString).encode(buf, &self.states_filter)?;
        } else {
            if !self.states_filter.is_empty() {
                return Err(EncodeError)
            }
        }
        if version >= 3 {
            let num_tagged_fields = self.unknown_tagged_fields.len();
            if num_tagged_fields > std::u32::MAX as usize {
                error!("Too many tagged fields to encode ({} fields)", num_tagged_fields);
                return Err(EncodeError);
            }
            types::UnsignedVarInt.encode(buf, num_tagged_fields as u32)?;

            write_unknown_tagged_fields(buf, 0.., &self.unknown_tagged_fields)?;
        }
        Ok(())
    }
    fn compute_size(&self, version: i16) -> Result<usize, EncodeError> {
        let mut total_size = 0;
        if version >= 4 {
            total_size += types::CompactArray(types::CompactString).compute_size(&self.states_filter)?;
        } else {
            if !self.states_filter.is_empty() {
                return Err(EncodeError)
            }
        }
        if version >= 3 {
            let num_tagged_fields = self.unknown_tagged_fields.len();
            if num_tagged_fields > std::u32::MAX as usize {
                error!("Too many tagged fields to encode ({} fields)", num_tagged_fields);
                return Err(EncodeError);
            }
            total_size += types::UnsignedVarInt.compute_size(num_tagged_fields as u32)?;

            total_size += compute_unknown_tagged_fields_size(&self.unknown_tagged_fields)?;
        }
        Ok(total_size)
    }
}

impl Decodable for ListGroupsRequest {
    fn decode<B: ByteBuf>(buf: &mut B, version: i16) -> Result<Self, DecodeError> {
        let states_filter = if version >= 4 {
            types::CompactArray(types::CompactString).decode(buf)?
        } else {
            Default::default()
        };
        let mut unknown_tagged_fields = BTreeMap::new();
        if version >= 3 {
            let num_tagged_fields = types::UnsignedVarInt.decode(buf)?;
            for _ in 0..num_tagged_fields {
                let tag: u32 = types::UnsignedVarInt.decode(buf)?;
                let size: u32 = types::UnsignedVarInt.decode(buf)?;
                let mut unknown_value = vec![0; size as usize];
                buf.try_copy_to_slice(&mut unknown_value)?;
                unknown_tagged_fields.insert(tag as i32, unknown_value);
            }
        }
        Ok(Self {
            states_filter,
            unknown_tagged_fields,
        })
    }
}

impl Default for ListGroupsRequest {
    fn default() -> Self {
        Self {
            states_filter: Default::default(),
            unknown_tagged_fields: BTreeMap::new(),
        }
    }
}

impl Message for ListGroupsRequest {
    const VERSIONS: VersionRange = VersionRange { min: 0, max: 4 };
}

impl HeaderVersion for ListGroupsRequest {
    fn header_version(version: i16) -> i16 {
        if version >= 3 {
            2
        } else {
            1
        }
    }
}