<?php
define('DB_HOST', '127.0.0.1');
define('DB_NAME', 'app_30972');
define('DB_USER', 'app_30972');
define('DB_PASS', '9eb17a13-4a89-4e11-8517-0c201096e935');

function db() {
  static $pdo;
  if (!$pdo) {
    $pdo = new PDO('mysql:host='.DB_HOST.';dbname='.DB_NAME.';charset=utf8mb4', DB_USER, DB_PASS, [
      PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
      PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
    ]);
  }
  return $pdo;
}

function db_init() {
    try {
        $pdo = db();
        
        // Contact Submissions Table
        $pdo->exec("CREATE TABLE IF NOT EXISTS contact_submissions (
            id INT AUTO_INCREMENT PRIMARY KEY,
            name VARCHAR(255) NOT NULL,
            email VARCHAR(255) NOT NULL,
            message TEXT NOT NULL,
            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
        );");

        // Organizations Table
        $pdo->exec("CREATE TABLE IF NOT EXISTS Organization (
            id INT AUTO_INCREMENT PRIMARY KEY,
            name VARCHAR(255) NOT NULL,
            type ENUM('Insurer','Financier','OEM','FleetOperator','Partner') NOT NULL,
            contactEmail VARCHAR(255),
            phone VARCHAR(255),
            address TEXT,
            website VARCHAR(255),
            approved BOOLEAN DEFAULT false,
            createdAt TIMESTAMP DEFAULT CURRENT_TIMESTAMP
        );");

        // Users Table
        $pdo->exec("CREATE TABLE IF NOT EXISTS User (
            id INT AUTO_INCREMENT PRIMARY KEY,
            firstName VARCHAR(255) NOT NULL,
            lastName VARCHAR(255),
            email VARCHAR(255) NOT NULL UNIQUE,
            password VARCHAR(255) NOT NULL,
            phone VARCHAR(255),
            role ENUM('Rider','FleetOperator','Insurer','Financier','OEM','Partner','Support','Admin','Public') NOT NULL,
            organizationId INT,
            verified BOOLEAN DEFAULT false,
            createdAt TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
            FOREIGN KEY (organizationId) REFERENCES Organization(id) ON DELETE SET NULL
        );");

        // Fleets Table
        $pdo->exec("CREATE TABLE IF NOT EXISTS Fleet (
            id INT AUTO_INCREMENT PRIMARY KEY,
            name VARCHAR(255) NOT NULL,
            organizationId INT,
            managerUserId INT,
            notes TEXT,
            createdAt TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
            FOREIGN KEY (organizationId) REFERENCES Organization(id) ON DELETE CASCADE,
            FOREIGN KEY (managerUserId) REFERENCES User(id) ON DELETE SET NULL
        );");

        // Vehicles Table
        $pdo->exec("CREATE TABLE IF NOT EXISTS Vehicle (
            id INT AUTO_INCREMENT PRIMARY KEY,
            vin VARCHAR(255) UNIQUE,
            model VARCHAR(255) NOT NULL,
            licensePlate VARCHAR(255),
            ownerUserId INT,
            fleetId INT,
            createdAt TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
            FOREIGN KEY (ownerUserId) REFERENCES User(id) ON DELETE SET NULL,
            FOREIGN KEY (fleetId) REFERENCES Fleet(id) ON DELETE SET NULL
        );");

    } catch (PDOException $e) {
        die("Database initialization failed: " . $e->getMessage());
    }
}

// Run the initialization function to ensure tables exist.
db_init();