<?php
declare(strict_types=1);

namespace app\services\hjf;

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

/**
 * 积分每日释放服务
 *
 * 由定时任务（每天凌晨00:01）或 Command 触发。
 * 计算公式：release_amount = FLOOR(frozen_points × rate / 1000)
 * 其中 rate = hjf_release_rate（默认 4，即 4‰）
 *
 * Class PointsReleaseServices
 * @package app\services\hjf
 */
class PointsReleaseServices extends BaseServices
{
    public function __construct(UserDao $dao)
    {
        $this->dao = $dao;
    }

    /**
     * 执行今日积分释放（批量）
     *
     * @return array  统计：['processed' => int, 'total_released' => int]
     */
    public function executeRelease(): array
    {
        $rate        = (int)SystemConfigService::get('hjf_release_rate', 4);
        $releaseDate = date('Y-m-d');
        $processed   = 0;
        $totalReleased = 0;

        $page  = 1;
        $limit = 200;

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

            if (empty($users)) {
                break;
            }

            foreach ($users as $user) {
                $frozenBefore  = (int)$user['frozen_points'];
                $releaseAmount = (int)bcdiv(bcmul((string)$frozenBefore, (string)$rate), '1000');

                if ($releaseAmount <= 0) {
                    continue;
                }

                $frozenAfter    = $frozenBefore - $releaseAmount;
                $newAvailable   = (int)$user['available_points'] + $releaseAmount;

                // 主更新：只更新积分字段，失败则跳过本用户
                try {
                    Db::table('eb_user')->where('uid', $user['uid'])->update([
                        'frozen_points'    => max(0, $frozenAfter),
                        'available_points' => $newAvailable,
                    ]);

                    $totalReleased += $releaseAmount;
                    $processed++;
                } catch (\Throwable $e) {
                    Log::error("[PointsRelease] uid={$user['uid']} 积分更新失败: " . $e->getMessage());
                    continue;
                }

                // 日志写入独立处理，失败不影响已提交的积分更新
                try {
                    Db::table('eb_points_release_log')->insert([
                        'uid'          => $user['uid'],
                        'points'       => $releaseAmount,
                        'pm'           => 1,
                        'type'         => 'release',
                        'title'        => '每日释放',
                        'mark'         => "积分每日自动解冻，释放日期 {$releaseDate}",
                        'status'       => 'released',
                        'release_date' => $releaseDate,
                        'add_time'     => time(),
                    ]);

                    /** @var UserBillServices $billServices */
                    $billServices = app()->make(UserBillServices::class);
                    $billServices->income(
                        'frozen_points_release',
                        (int)$user['uid'],
                        (int)$releaseAmount,
                        $newAvailable,
                        0,
                        0,
                        "积分每日自动解冻，释放日期 {$releaseDate}"
                    );
                } catch (\Throwable $e) {
                    Log::warning("[PointsRelease] uid={$user['uid']} 日志写入失败（积分已释放）: " . $e->getMessage());
                }
            }

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

        Log::info("[PointsRelease] 完成，processed={$processed} total_released={$totalReleased}");

        return [
            'processed'      => $processed,
            'total_released' => $totalReleased,
            'release_date'   => $releaseDate,
        ];
    }
}