// Copyright (c) 2025, BlockProject 3D

//

// All rights reserved.

//

// Redistribution and use in source and binary forms, with or without modification,

// are permitted provided that the following conditions are met:

//

//     * Redistributions of source code must retain the above copyright notice,

//       this list of conditions and the following disclaimer.

//     * Redistributions in binary form must reproduce the above copyright notice,

//       this list of conditions and the following disclaimer in the documentation

//       and/or other materials provided with the distribution.

//     * Neither the name of BlockProject 3D nor the names of its contributors

//       may be used to endorse or promote products derived from this software

//       without specific prior written permission.

//

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR

// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

use crate::compiler::message::Message;

use crate::compiler::util::types::TypePathMap;

use crate::gen::base::map::{DefaultTypeMapper, TypePathMapper};

use crate::gen::base::message::Templates;

use crate::gen::base::message_write::generate;

use crate::gen::base::Error;

use crate::gen::rust::util::{gen_where_clause, Lifetime, RustUtils};

use crate::gen::template::Template;

use crate::gen::{codec::CodecMap, RustParams};

use itertools::Itertools;

const TEMPLATE: &[u8] = include_bytes!("write.template");

fn _gen_message_write_impl(

    msg: &Message,

    codec_map: &CodecMap,

    type_path_map: &TypePathMapper<DefaultTypeMapper>,

    generics: &str,

    impl_generics: &str,

    function: &str,

) -> Result<String, Error> {

    let mut templates = Templates {

        template: Template::compile(TEMPLATE).unwrap(),

        codec_map,

    };

    let where_clauses = msg

        .fields

        .iter()

        .
map45
(|field| gen_where_clause(&templates.template, field, type_path_map, function))

        .join("");

    templates.template.var("where_clauses", where_clauses);

    if generics.is_empty() {

  Branch (60:8): [True: 35, False: 10]

  Branch (60:8): [Folded - Ignored]

        templates.template.var("impl_generics", "").var("generics", "<'_>");

    } else {

        templates.template.var("generics", generics).var("impl_generics", impl_generics);

    }

    generate::<RustUtils, _>(templates, msg, type_path_map, function)

}

pub fn gen_message_write_impl(

    msg: &Message,

    codec_map: &CodecMap,

    type_path_map: &TypePathMap,

    params: &RustParams,

) -> Result<String, Error> {

    if msg.ty.is_some() {

  Branch (74:8): [True: 2, False: 31]

  Branch (74:8): [Folded - Ignored]

        return Ok(String::new());

    }

    let type_path_map = TypePathMapper::new(type_path_map, DefaultTypeMapper);

    let generics = RustUtils::get_generics_for_write(msg, &type_path_map, Lifetime::Named).into_string();

    let mut code = _gen_message_write_impl(msg, codec_map, &type_path_map, &generics, &generics, "impl")
?0
;

    if 
msg.fields.iter()31
.
any31
(|v| v.header.is_some()) {

  Branch (80:8): [True: 6, False: 25]

  Branch (80:8): [Folded - Ignored]

        let shape_generics = RustUtils::get_generics_for_write(msg, &type_path_map, Lifetime::Anonymous).into_string();

        let impl_shape_generics = RustUtils::get_generics_for_write(msg, &type_path_map, Lifetime::None).into_string();

        code += &_gen_message_write_impl(

            msg,

            codec_map,

            &type_path_map,

            &shape_generics,

            &impl_shape_generics,

            "impl_shape_write",

        )?;

    }

    if params.enable_write_async {

  Branch (92:8): [True: 6, False: 25]

  Branch (92:8): [Folded - Ignored]

        code += &_gen_message_write_impl(msg, codec_map, &type_path_map, &generics, &generics, "impl_async")
?0
;

        if 
msg.fields.iter()6
.
any6
(|v| v.header.is_some()) {

  Branch (94:12): [True: 2, False: 4]

  Branch (94:12): [Folded - Ignored]

            code += &_gen_message_write_impl(

                msg,

                codec_map,

                &type_path_map,

                &generics,

                &generics,

                "impl_shape_write_async",

            )?;

        }

    }

    Ok(code)

}