<?php
// +----------------------------------------------------------------------
// | 范氏国香 fsgx — 积分释放服务
// +----------------------------------------------------------------------

namespace app\services\hjf;

use app\dao\user\UserDao;
use app\services\BaseServices;
use app\services\user\UserBillServices;
use think\facade\Db;
use think\facade\Log;

/**
 * 待释放积分每日释放服务
 * 规则：每日将 frozen_points 的 0.4‰ 转入 available_points
 * 触发：定时任务 mark=fsgx_release_frozen_points（每天执行一次）
 */
class HjfPointsServices extends BaseServices
{
    protected float $releaseRate = 0.0004; // 0.4‰

    public function __construct(UserDao $dao)
    {
        $this->dao = $dao;
    }

    /**
     * 每日批量释放待释放积分
     * 批量处理，每批 200 条，避免内存溢出
     */
    public function dailyReleasePoints(): bool
    {
        $page = 1;
        $limit = 200;
        $processedCount = 0;

        do {
            $users = Db::table('eb_user')
                ->where('frozen_points', '>', 0)
                ->field('uid, frozen_points, available_points')
                ->page($page, $limit)
                ->select()
                ->toArray();

            foreach ($users as $user) {
                try {
                    $release = (int)floor($user['frozen_points'] * $this->releaseRate);
                    if ($release <= 0) continue;

                    $newFrozen = $user['frozen_points'] - $release;
                    $newAvailable = $user['available_points'] + $release;

                    Db::table('eb_user')->where('uid', $user['uid'])->update([
                        'frozen_points'    => max(0, $newFrozen),
                        'available_points' => $newAvailable,
                    ]);

                    // 写积分日志
                    /** @var UserBillServices $billServices */
                    $billServices = app()->make(UserBillServices::class);
                    $billServices->income('frozen_points_release', $user['uid'], [
                        'number'  => $release,
                        'mark'    => '待释放积分每日释放',
                        'balance' => $newAvailable,
                        'type'    => 'integral',
                        'title'   => '积分释放',
                        'pm'      => 1,
                    ], $newAvailable, 0);

                    $processedCount++;
                } catch (\Throwable $e) {
                    Log::error('fsgx dailyReleasePoints uid=' . $user['uid'] . ' error: ' . $e->getMessage());
                }
            }

            $page++;
        } while (count($users) === $limit);

        Log::info("fsgx dailyReleasePoints done, processed={$processedCount}");
        return true;
    }

    /**
     * 扣减已释放积分（用于积分消费）
     * @param int $uid
     * @param int $points 消费积分数
     * @return bool
     */
    public function deductAvailablePoints(int $uid, int $points): bool
    {
        $user = Db::table('eb_user')->where('uid', $uid)->field('uid, available_points')->find();
        if (!$user || $user['available_points'] < $points) return false;

        $newAvailable = $user['available_points'] - $points;
        Db::table('eb_user')->where('uid', $uid)->update(['available_points' => $newAvailable]);

        /** @var UserBillServices $billServices */
        $billServices = app()->make(UserBillServices::class);
        $billServices->expenditure('available_points_use', $uid, [
            'number'  => $points,
            'mark'    => '积分消费',
            'balance' => $newAvailable,
            'type'    => 'integral',
            'title'   => '积分消费',
            'pm'      => 0,
        ], $newAvailable, 0);

        return true;
    }
}