<?php

namespace app\utils;

use app\models\Option;
use app\models\Order;
use app\models\ShareHolder;
use app\models\ShareHolderFugouFrostLog;
use app\models\User;
use app\models\ShareDetail;

// 链动2+1 复购相关
class FuGou
{
    public static function getSetting($store_id)
    {
        $default = \json_encode([
            'fugou_switch' => 0,
            'fugou_type' => 1,
            'fugou_day' => 0,
            'fugou_price' => 0,
            'fugou_where_num' => 0,
            'fugou_where_price' => 0,
            'fugou_goods' => [],
            'fugou_freeze_level' => '0',
            'fugou_freeze_rand' => [1, 1],
        ]);
        $fugouSetting = Option::get('fugou', $store_id, 'bonus_pool', 'null')['value'];
        if (empty($fugouSetting) || $fugouSetting == 'null') {
            $fugouSetting = $default;
        }
        return \json_decode($fugouSetting, true);
    }

    // 距离复购剩余天数, 0 不需要复购，< 0 需要复购， > 0 复购剩余天数
    public static function cycleByDay($user_id, $store_id, $setting = null)
    {
        if ($setting === null) {
            $setting = self::getSetting($store_id);
        }
        // 查找是否有复购订单
        $fugouOrder = Order::find()->where([
            'user_id' => $user_id,
            'store_id' => $store_id,
            'is_fugou' => 1,
            'is_sale' => 1,
        ])->orderBy('id DESC')->one();
        $startTime = null;
        if ($fugouOrder) {
            $startTime = $fugouOrder->created_at;
        }
        if (empty($startTime)) {
            $shareHolder = ShareHolder::findOne(['user_id' => $user_id, 'store_id' => $store_id, 'is_delete' => 0, 'status' => 1]);
            if ($shareHolder) {
                $startTime = $shareHolder->created_at;
            }
        }

        if (empty($startTime)) {
            return 0;
        }

        $settingDay = $setting['fugou_day'];
        // 计算剩余天数
        $day = ceil((time() - $startTime) / 86400);
        return $settingDay - $day;
    }

    // 剩余冻结金额，<=0 需要复购，> 0 不需要复购，剩余金额
    public static function cycleByPrice($user_id, $store_id, $setting = null, $frost_price = null)
    {
        if ($setting === null) {
            $setting = self::getSetting($store_id);
        }

        if ($frost_price === null) {
            $frost_price = self::getUserFrostPrice($user_id);
        }

        return $setting['fugou_price'] > 0 ? $setting['fugou_price'] - ($frost_price ?: 0) : 0;
    }

    // 是否需要复购
    public static function isFugou($user_id, $store_id, $setting = null)
    {
        if ($setting === null) {
            $setting = self::getSetting($store_id);
        }

        $cycle_day = self::cycleByDay($user_id, $store_id, $setting);
        $cycle_price = self::cycleByPrice($user_id, $store_id, $setting);

        if ($setting['fugou_type'] == 1 || $setting['fugou_type'] == 3) {
            if ($cycle_day < 0) {
                return true;
            }
        }
        if ($setting['fugou_type'] == 2 || $setting['fugou_type'] == 3) {
            if ($cycle_price <= 0) {
                return true;
            }
        }
        return false;
    }

    // 获取用户冻结金额
    public static function getUserFrostPrice($user_id)
    {
        $price = ShareHolderFugouFrostLog::find()->where(['user_id' => $user_id, 'status' => 0])->sum('amount');
        return $price ?: 0;
    }

    // 发放复购冻结佣金
    public static function sendFrostPrice($user_id)
    {
        $t = \Yii::$app->db->beginTransaction();
        try {
            $totalPrice = static::getUserFrostPrice($user_id);
            if ($totalPrice <= 0) {
                throw new \Exception('没有冻结佣金');
            }
            $user = User::findOne($user_id);
            $user->updateCounters(['price' => $totalPrice, 'total_price' => $totalPrice]);
            ShareHolderFugouFrostLog::updateAll(['status' => 1, 'updated_at' => time()], ['user_id' => $user_id]);
            ShareDetail::updateAll(['is_send' => 1, 'send_time' => time()], ['user_id' => $user_id, 'is_fugou' => 1]);
            $t->commit();
            return true;
        } catch (\Exception $e) {
            $t->rollBack();
            return false;
        }
    }
}