const express = require("express");

const app = express();

// Fixed config (no dotenv)
const PORT = process.env.PORT || 5900;

// Country codes database (extend anytime)
const countries = [
  { name: "Moldova", code: "+373" }
];

// In-memory storage
let phoneStore = [
  "+37368177131",
  "+37368177131",
  "+37368177131"
];

// Get country codes
app.get("/list-country-code", (req, res) => {
  res.json({
    success: true,
    data: countries
  });
});

// List stored phone numbers
app.get("/list-phone-number", (req, res) => {
  res.json({
    success: true,
    data: phoneStore
  });
});

// Generate phone numbers dynamically
app.get("/generate-phone", (req, res) => {
  const country = req.query.country || "373";
  const count = parseInt(req.query.count || "5");

  const generated = [];

  for (let i = 0; i < count; i++) {
    // simple random 8-digit number
    const number = Math.floor(10000000 + Math.random() * 90000000);
    generated.push(`+${country}${number}`);
  }

  // save into store
  phoneStore = phoneStore.concat(generated);

  res.json({
    success: true,
    country: `+${country}`,
    generated
  });
});

// Health check
app.get("/", (req, res) => {
  res.send("Phone Generator API running on port " + PORT);
});

app.listen(PORT, () => {
  console.log(`Server running on http://localhost:${PORT}`);
});