import {NextResponse} from "next/server";
import fs from "fs";
import path from "path";

let writeLock: boolean = false;

export async function GET() {
    const configPath = process.env.CONFIG_PATH || "./config.json";
    const absolutePath = path.resolve(configPath);

    if (!fs.existsSync(absolutePath)) {
        return NextResponse.json({error: "Config file not found"}, {status: 404});
    }

    const fileContent = fs.readFileSync(absolutePath, "utf-8");
    const config = JSON.parse(fileContent);

    return NextResponse.json(config);
}

// post function for updating the config
export async function POST({body}) {

    if (writeLock) {
        return NextResponse.json({error: "Write lock is active"}, {status: 400});
    }

    writeLock = true;

    try {
        const configPath = process.env.CONFIG_PATH || "./config.json";
        const absolutePath = path.resolve(configPath);

        fs.writeFileSync(absolutePath, JSON.stringify(body, null, 2));

        return NextResponse.json({success: true});
    }
    catch (e) {
        return NextResponse.json({error: e.message}, {status: 500});
    }
    finally {
        writeLock = false;
    }
}