import fs from "fs";

let watch = false;
let debug = false;

process.argv.forEach(c => {
    if (c.includes("--watch")) watch = true;
    if (c.includes("--debug")) debug = true;
});

if (watch) {
    console.log("Watch mode enabled");
    const watcher = fs.watch(
        "./src/",
        {
            recursive: true
        },
        async (event, filename) => {
            if (event !== "change" && event !== "rename") return;
            console.log("");
            console.log("Rebuilding...");
            await build();
        }
    );
}

async function build() {
    console.log("Removing old build...");

    if (fs.existsSync("build")) {
        fs.rmSync("build", {
            recursive: true,
            force: true
        });
    }

    console.log("Compiling scripts...");

    const build = await Bun.build({
        entrypoints: ["src/index.ts"],
        target: "browser",
        minify: true,
        outdir: "./build/"
    });

    if (build.logs.length > 0) {
        console.log("Build logs:", build.logs);
    }

    if (!build.success) return;

    console.log("Adding userscript header...");

    const userscriptHeader = fs
        .readFileSync("scripts/userscriptHeader.js")
        .toString();
    const artifact = fs.readFileSync("build/index.js").toString();

    fs.writeFileSync("build/Saturn.user.js", userscriptHeader + artifact);
    console.log("Done");
}

await build();