<?php
/**
 * 为 dice_player 增加 (dept_id, username) 唯一索引
 * 用法：在 server 目录执行 php db/run_dice_player_dept_username_unique.php
 */
declare(strict_types=1);

define('BASE_PATH', dirname(__DIR__));

require_once BASE_PATH . '/vendor/autoload.php';

if (class_exists(\Dotenv\Dotenv::class) && is_file(BASE_PATH . '/.env')) {
    if (method_exists(\Dotenv\Dotenv::class, 'createUnsafeMutable')) {
        \Dotenv\Dotenv::createUnsafeMutable(BASE_PATH)->load();
    } else {
        \Dotenv\Dotenv::createMutable(BASE_PATH)->load();
    }
}

\Webman\Config::load(BASE_PATH . '/config', ['route', 'plugin']);
\Webman\ThinkOrm\ThinkOrm::start(null);

use support\think\Db;

echo "检查 (dept_id, username) 重复...\n";
$dupes = Db::query(
    'SELECT dept_id, username, COUNT(*) AS c FROM dice_player
     WHERE username IS NOT NULL AND username <> \'\'
     GROUP BY dept_id, username HAVING c > 1 LIMIT 20'
);
if (!empty($dupes)) {
    echo "存在重复记录，请先处理后再执行：\n";
    print_r($dupes);
    exit(1);
}

$indexes = Db::query("SHOW INDEX FROM `dice_player` WHERE Key_name = 'idx_dice_player_username'");
if (!empty($indexes)) {
    Db::execute('ALTER TABLE `dice_player` DROP INDEX `idx_dice_player_username`');
    echo "已删除 idx_dice_player_username\n";
}

$uk = Db::query("SHOW INDEX FROM `dice_player` WHERE Key_name = 'uk_dice_player_dept_username'");
if (empty($uk)) {
    Db::execute(
        'ALTER TABLE `dice_player` ADD UNIQUE INDEX `uk_dice_player_dept_username` (`dept_id`, `username`)'
    );
    echo "已创建 uk_dice_player_dept_username\n";
} else {
    echo "uk_dice_player_dept_username 已存在，跳过\n";
}

echo "完成\n";