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use bp3d_protoc::api::tools::GenTools;

use bp3d_util::result::ResultExt;

use clap::{Parser, ValueEnum};

use std::path::{Path, PathBuf};

#[derive(ValueEnum, Copy, Clone, Debug)]

pub enum Generator {

    /// The Rust code generator.

    Rust,

    /// The Swift code generator.

    Swift,

}

#[derive(Parser, Debug)]

#[command(version, about, long_about = None)]

/// CLI tool to call BP3D protocol compiler outside build-scripts and access to source code.

pub struct Args {

    /// Input protoc.toml config file.

    #[clap(short = 'i', long = "input")]

    pub input: PathBuf,

    /// Output directory where to place the generated protocols (an additional directory is created

    /// for each protocol to be compiled).

    #[clap(short = 'o', long = "output")]

    pub output: Option<PathBuf>,

    /// Name of the code generator to use.

    #[clap(short = 'g', long = "generator", default_value = "rust")]

    pub generator: Generator,

}

fn main() {

    let args = Args::parse();

    let output = args.output.as_deref().unwrap_or(Path::new("./"));

    match args.generator {

        Generator::Rust => bp3d_protoc::api::tools::Rust::run_file(args.input, output, |_| {}),

        Generator::Swift => bp3d_protoc::api::tools::Swift::run_file(args.input, output, |_| {}),

    }

    .expect_exit("Failed to run make tool", 1);

}