<?php
declare(strict_types=1);

require_once __DIR__ . '/../db/config.php';

function h(?string $value): string {
    return htmlspecialchars($value ?? '', ENT_QUOTES, 'UTF-8');
}

function ensure_tables(): void {
    $pdo = db();

    $pdo->exec(
        "CREATE TABLE IF NOT EXISTS builds (
            id INT AUTO_INCREMENT PRIMARY KEY,
            title VARCHAR(160) NOT NULL,
            game VARCHAR(80) NOT NULL,
            class_name VARCHAR(80) NOT NULL,
            patch VARCHAR(40) DEFAULT NULL,
            summary VARCHAR(240) DEFAULT NULL,
            skills TEXT,
            gear TEXT,
            author VARCHAR(80) NOT NULL,
            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
        ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4"
    );

    $pdo->exec(
        "CREATE TABLE IF NOT EXISTS build_comments (
            id INT AUTO_INCREMENT PRIMARY KEY,
            build_id INT NOT NULL,
            author VARCHAR(80) NOT NULL,
            body TEXT NOT NULL,
            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
            INDEX (build_id),
            CONSTRAINT fk_build_comment FOREIGN KEY (build_id) REFERENCES builds(id) ON DELETE CASCADE
        ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4"
    );

    $pdo->exec(
        "CREATE TABLE IF NOT EXISTS forum_threads (
            id INT AUTO_INCREMENT PRIMARY KEY,
            title VARCHAR(160) NOT NULL,
            game VARCHAR(80) NOT NULL,
            tag VARCHAR(40) DEFAULT NULL,
            body TEXT NOT NULL,
            author VARCHAR(80) NOT NULL,
            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
        ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4"
    );

    $pdo->exec(
        "CREATE TABLE IF NOT EXISTS forum_posts (
            id INT AUTO_INCREMENT PRIMARY KEY,
            thread_id INT NOT NULL,
            author VARCHAR(80) NOT NULL,
            body TEXT NOT NULL,
            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
            INDEX (thread_id),
            CONSTRAINT fk_thread_post FOREIGN KEY (thread_id) REFERENCES forum_threads(id) ON DELETE CASCADE
        ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4"
    );
}

function format_date(string $value): string {
    return date('M j, Y H:i', strtotime($value));
}