#!/usr/bin/env bun

import { Command } from "commander";
import { readFileSync, writeFileSync } from "fs";
import Papa from "papaparse";
import prettier from "prettier";

type pm2Config = {
  name: string;
  script: string;
  args: string;
  cwd: string;
  interpreter: string;
  env: string;
  autorestart: "1" | "0";
  watch: "1" | "0";
  disabled: "1" | "0";
}

const pm2edit = new Command("pm2edit")
  .description("Convert PM2 CSV to JS")
  .argument("<csvFile>", "The CSV file to convert")
  .action(async (csvFile) => {
    // read and parse csv file
    const csv = readFileSync(csvFile, "utf8");
    const parsedData = Papa.parse<pm2Config>(csv, { header: true })

    let data = parsedData.data
    .filter((row) => row.disabled === "0")
    .map((row) => {
      return {
        ...row,
        env: row.env ? Object.fromEntries(row.env.split(",").map(item => item.split("="))) : undefined,
        out_file: `/home/pi/logs/${row.name}.log`,
        error_file: `/home/pi/logs/${row.name}.log`,
        merge_logs: true,
        watch: row.watch === "1",
        autorestart: row.autorestart === "1",
      }
    })

    const fileContent = `module.exports = {apps: ${JSON.stringify(data, null, 2)}}`

    const formattedContent = await prettier.format(fileContent, { parser: "typescript" });

    writeFileSync("ecosystem.config.js", formattedContent);
  });

pm2edit.parseAsync(process.argv);