use std::{
    fs::{exists, read_dir, remove_dir_all, File},
    io::Write,
    process::Command,
};
use std::fs::create_dir;

fn main() {
    println!("cargo::rerun-if-changed=gamenight-api.yaml");

    if exists("src/models").unwrap() {
        remove_dir_all("src/models").unwrap();
    }

    create_dir("src/models/").unwrap();

    let _ = Command::new("openapi-generator")
        .args([
            "generate",
            "-i",
            "gamenight-api.yaml",
            "-g",
            "rust",
            "--global-property",
            "models",
        ])
        .output()
        .expect("Failed to generate models sources for the gamenight API");

    let mut file = File::create("./src/models/mod.rs").unwrap();
    let paths = read_dir("./src/models").unwrap();
    for path in paths {
        let path = path.unwrap();
        let path = path.path();
        let stem = path.file_stem().unwrap();
        if stem == "mod" {
            continue;
        }

        let line = format!("pub mod {};\n", stem.to_str().unwrap());
        let _ = file.write(line.as_bytes()).unwrap();
    }
}