// Copyright (c) 2024, 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.

mod args;

mod builder;

use crate::args::{Args, Generator};

use crate::builder::Builder;

use bp3d_protoc::api::core::generator::Context;

use bp3d_protoc::api::core::loader::Loader;

use bp3d_protoc::gen::{GeneratorRust, GeneratorSwift, RustImportSolver, RustParams, SwiftImportSolver};

use bp3d_util::result::ResultExt;

use clap::Parser;

fn build_swift(loader: Loader, args: &Args) {

    let builder = Builder::new(loader, args, &SwiftImportSolver, GeneratorSwift);

    let mut context = Context::new(&builder.protocols);

    context

        .generate_all(&builder.generator, &builder.params, &builder.protocols)

        .expect_exit("failed to generate protocols", 1);

}

fn build_rust(loader: Loader, args: &Args) {

    let builder = Builder::new(loader, args, &RustImportSolver, GeneratorRust);

    let mut context = Context::new(&builder.protocols);

    context

        .generate_all(&builder.generator, &builder.params, &RustParams::default())

        .expect_exit("failed to generate protocols", 1);

}

fn main() {

    let args = Args::parse();

    let mut loader = Loader::default();

    for (import_file, import_path) in args.iter_imports() {

        loader.load_from_file(import_file, import_path).expect_exit("failed to import protocol", 1);

    }

    for input in &args.inputs {

        loader.load_from_file(input, "").expect_exit("failed to load protocol", 1);

    }

    match args.generator {

        Generator::Rust => build_rust(loader, &args),

        Generator::Swift => build_swift(loader, &args),

    };

}