<?php
namespace app\common\service;

use app\common\model\User;
use app\common\model\Reward;
use app\common\model\CouponReceive;
use app\common\model\Coupon;

class RewardService
{
    /**
     * 发放奖励
     * @param int $user_id 用户ID
     * @param string $reward_ids 奖励ID或奖励ID数组
     * @param string $source 奖励来源(如：签到、任务等)
     * @return array 处理结果
     */
    public static function sendReward($user_id, $reward_id, $source = '系统奖励')
    {
        if (!$user_id) {
            return ['status' => false, 'msg' => '用户ID不能为空'];
        }
        if (empty($reward_id)) {
            return ['status' => false, 'msg' => '奖励ID不能为空'];
        }
        // 获取奖励信息
        $rewards = Reward::where('reward_id', '=', $reward_id)
            ->select()
            ->toArray();

        if (empty($rewards)) {
            return ['status' => false, 'msg' => '未找到有效奖励'];
        }

        $result = [];
        $user = User::find($user_id);

        if (empty($user)) {
            return ['status' => false, 'msg' => '用户不存在'];
        }
        foreach ($rewards as $reward) {
            $res = self::sendSingleReward($user_id, $reward, $source);
            $result[] = $res;
        }

        return ['status' => true, 'msg' => '奖励发放成功', 'data' => $result];
    }

    /**
     * 发放奖励
     * @param int $user_id 用户ID
     * @param string $reward_ids 奖励ID或奖励ID数组
     * @param string $source 奖励来源(如：签到、任务等)
     * @return array 处理结果
     */
    public static function sendRewardsMultiple($user_id, $reward_id, $sign_multiple, $source = '系统奖励')
    {
        if (!$user_id) {
            return ['status' => false, 'msg' => '用户ID不能为空'];
        }


        // 获取奖励信息
        $rewards = Reward::where('reward_id', '=', $reward_id)
            ->select()
            ->toArray();

        if (empty($rewards)) {
            return ['status' => false, 'msg' => '未找到有效奖励'];
        }

        $result = [];
        $user = User::find($user_id);

        if (empty($user)) {
            return ['status' => false, 'msg' => '用户不存在'];
        }
        foreach ($rewards as &$reward) {
            $reward['reward_value'] = $reward['reward_value'] * $sign_multiple;
            $res = self::sendSingleReward($user_id, $reward, $source);
            $result[] = $res;
        }

        return ['status' => true, 'msg' => '奖励发放成功', 'data' => $result];
    }

    /**
     * 发放单个奖励
     * @param int $user_id 用户ID
     * @param array $reward 奖励信息
     * @param string $source 奖励来源
     * @return array 处理结果
     */
    protected static function sendSingleReward($user_id, $reward, $source)
    {
        $result = ['reward_id' => $reward['id'], 'status' => false, 'msg' => ''];

        switch ($reward['reward_type']) {

            case 1: // 钻石
                $res = User::changeMoney($user_id, $reward['reward_value'], 6, $source);
                $result['status'] = !empty($res);
                $result['msg'] = $result['status'] ? '获得钻石*' . $reward['reward_value'] : '钻石发放失败';
                break;


            case 2: // 货币1
                $res = User::changeIntegral($user_id, $reward['reward_value'], 6, $source);
                $result['status'] = !empty($res);
                $result['msg'] = $result['status'] ? '获得UU币*' . $reward['reward_value'] : 'UU币发放失败';
                break;

            case 3: // 货币2
                $res = User::changeMoney2($user_id, $reward['reward_value'], 6, $source);
                $result['status'] = !empty($res);
                $result['msg'] = $result['status'] ? '获得达达券*' . $reward['reward_value'] : '达达券发放失败';
                break;
            case 4: // 优惠券
                if (!empty($reward['reward_extend'])) {
                    $coupon = Coupon::find($reward['reward_extend']);
                    if (!empty($coupon)) {
                        // 发放优惠券
                        $ttype = isset($coupon['ttype']) ? $coupon['ttype'] : 0;
                        $res = CouponReceive::insert([
                            'user_id' => $user_id,
                            'title' => $coupon['title'],
                            'price' => $coupon['price'],
                            'man_price' => $coupon['man_price'],
                            'end_time' => $coupon['effective_day'] * 86400 + time(),
                            'addtime' => time(),
                            'coupon_id' => $coupon['id'],
                            'state' => $ttype
                        ]);

                        $result['status'] = !empty($res);
                        $result['msg'] = $result['status'] ? '优惠券发放成功' : '优惠券发放失败';
                    } else {
                        $result['msg'] = '优惠券不存在';
                    }
                } else {
                    $result['msg'] = '优惠券ID不能为空';
                }
                break;

            default:
                $result['msg'] = '不支持的奖励类型';
                break;
        }

        return $result;
    }

}