import { Database } from 'sqlite3';
import readline from 'readline';
import fs from 'fs';
import figlet from 'figlet';

const version = "v1.0.0";

const tables = [
  {
    name: 'users',
    schema: `
      CREATE TABLE IF NOT EXISTS users (
        id INTEGER PRIMARY KEY AUTOINCREMENT,
        username TEXT,
        email TEXT,
        password TEXT,
        key TEXT
      );
    `
  },
  {
    name: 'posts',
    schema: `
      CREATE TABLE IF NOT EXISTS posts (
        id INTEGER PRIMARY KEY AUTOINCREMENT,
        title TEXT,
        description TEXT,
        category TEXT,
        slug TEXT,
        content TEXT,
        date TEXT
      );
    `
  },
  {
    name: 'categories',
    schema: `
      CREATE TABLE IF NOT EXISTS categories (
        id INTEGER PRIMARY KEY AUTOINCREMENT,
        name TEXT,
        description TEXT,
        slug TEXT
      );
    `
  }
];

figlet('BlogPop', (err, data) => {
  if (err) {
    console.log('BLOGPOP SETUP | ' + version + "\n");
    console.dir(err);
    return;
  }
  console.log(data);
  console.log("SETUP | VERSION: " + version + "\n");

  if (fs.existsSync('./db.sqlite')) {
    console.log("[!] You've already run the setup before!");
    process.exit(0);
  }

  const rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout
  });

  console.log("┌───────────────────────────────────────────────────────────────────────────────────────────┐");
  console.log("│ Let's start by setting up an admin user for you. Please enter your desired details below. │");
  console.log("├────────────────┬──────────────────────────────────────────────────────────────────────────┘");

  rl.question('│ ADMIN USERNAME │ ', (username) => {
    if (!username) {
      console.log("└────────────────┴──────────────────────────────────────────────────────────────────────────┘\n");
      console.log('[!] The username field cannot be blank.');
      rl.close();
      process.exit(1);
    }
    console.log("├────────────────┼──────────────────────────────────────────────────────────────────────────┘");
    rl.question('│ ADMIN EMAIL    │ ', (email) => {
      if (!email) {
        console.log("└────────────────┴──────────────────────────────────────────────────────────────────────────┘\n");
        console.log('[!] The email field cannot be blank.');
        rl.close();
        process.exit(1);
      }
      console.log("├────────────────┼──────────────────────────────────────────────────────────────────────────┘");
      rl.question('│ ADMIN PASSWORD │ ', (password) => {
        if (!password) {
          console.log("└────────────────┴──────────────────────────────────────────────────────────────────────────┘\n");
          console.log('[!] The password field cannot be blank.');
          rl.close();
          process.exit(1);
        }
        console.log("└────────────────┴──────────────────────────────────────────────────────────────────────────┘\n");
        console.log("[TASK] Creating tables...\n");
        const db = new Database('./db.sqlite');

        for (const table of tables) {
          db.exec(table.schema);
          console.log(`[✓] Created table ${table.name} successfully.`);
        }
        console.log('\n[✓ TASK] Tables created.\n');

        console.log("[TASK] Creating admin user...");
        const insertStmt = db.prepare(`INSERT INTO users (username, email, password) VALUES (?, ?, ?)`);
        insertStmt.run(username, email, password);
        insertStmt.finalize();
        console.log('[✓ TASK] Admin user created.\n');

        console.log("┌────────────────────────────────────────────────────┐");
        console.log("│                  ✓ SETUP COMPLETE                  │");
        console.log("├─────────────────────┬──────────────────────────────┤");
        console.log("│ START SERVER (NODE) │ $ node index.js              │");
        console.log("│ START SERVER (BUN)  │ $ bun index.js               │")
        console.log("└─────────────────────┴──────────────────────────────┘")

        db.close();
        rl.close();
      });
    });
  });
});