const { spawn } = require("child_process");
const path = require("path");

async function renderWithPython({ type, data, outputPath }) {
    return new Promise((resolve, reject) => {
        const scriptPath = path.resolve(__dirname, "../render_stats_charts.py");
        const child = spawn("python3", [scriptPath, "--type", type, "--output", outputPath], {
            stdio: ["pipe", "inherit", "inherit"],
        });

        const payload = JSON.stringify(data);
        child.stdin.write(payload);
        child.stdin.end();

        child.on("error", (error) => {
            reject(error);
        });

        child.on("exit", (code) => {
            if (code === 0) {
                resolve();
            } else {
                reject(new Error(`Python renderer exited with code ${code}`));
            }
        });
    });
}

module.exports = {
    renderWithPython,
};