import { parseArgs } from "node:util";
import { Bot } from "./src/bot.js";
import { initDB } from "./src/db.js";

const options = {
  pairs: {
    type: "string",
    short: "p",
    default: "BTC-USD",
  },
  interval: {
    type: "string",
    short: "i",
    default: "5000",
  },
  threshold: {
    type: "string",
    short: "t",
    default: "0.01",
  },
};

const { values } = parseArgs({
  options,
  strict: true,
  allowPositionals: true,
  args: process.argv.slice(2),
});

const pairs = values.pairs.split(",").map((p) => p.trim());
const interval = parseInt(values.interval, 10);
const threshold = parseFloat(values.threshold);

// Basic validation
if (isNaN(interval) || interval < 1000) {
  console.error("Error: Interval must be a number >= 1000ms");
  process.exit(1);
}

async function run() {
  console.log("Starting Uphold interview bot...");
  console.log(
    `Configuration: Pairs=[${pairs.join(", ")}] Interval=${interval}ms Threshold=${threshold}%`,
  );

  if (process.env.DATABASE_URL) {
    await initDB();
  } else {
    console.warn("[Warning] No DATABASE_URL found. Alerts will NOT be saved.");
  }

  const bots = pairs.map((pair) => new Bot(pair, interval, threshold));

  bots.forEach((b) => b.start());

  process.on("SIGINT", () => {
    console.log("\nShutting down...");
    bots.forEach((bot) => bot.stop());
    process.exit(0);
  });
}

run().catch((err) => {
  console.error("Fatal Error:", err);
  process.exit(1);
});