<?php

namespace addons\OperationCenter\common\services;

use addons\OperationCenter\common\models\Level;
use addons\OperationCenter\common\models\MallOrder;
use addons\OperationCenter\common\models\UpgradeLog;
use addons\OperationCenter\common\models\UserCenter;
use common\enums\AddonsEnum;
use common\logic\common\BuyGoodsUpgrade;
use common\logic\common\ConditionUpgrade;
use Exception;
use Yii;

/**
 * UpgradeService
 * @package addons\OperationCenter\common\services
 */
class UpgradeService extends BaseService
{
    /**
     * 支付完成
     */
    const PAY = 0;

    /**
     * 订单完成
     */
    const FINISH = 1;

    /**
     * @var MallOrder
     */
    protected $order;

    /**
     * @var array
     */
    protected $upgradeLevel;

    /**
     * @var int
     */
    protected $isFinish;

    /**
     * @var array[Level]
     */
    protected $levelLists;

    /**
     * @return void
     */
    public function initLevel(MallOrder $order, int $is_finish)
    {
        $this->order = $order;
        $this->isFinish = $is_finish;
    }

    /**
     * 检测升级
     *
     * @param MallOrder $order
     * @return void
     */
    public function checkUpgrade(MallOrder $order, int $is_finish = 0)
    {
        /* // 触发购物升级
        $order = $order->toArray();
        $upgrade = new BuyGoodsUpgrade();
        $buy_uid = $upgrade->execute(
            AddonsEnum::ADDONS_NAME_OPERATION_CENTER, (new UserCenter()), (new Level()), $order
        );
        if (!empty($buy_uid)) $upgrade_uids[] = $buy_uid;

        // 触发条件升级
        $cond_upgrade = new ConditionUpgrade();
        $cond_uids = $cond_upgrade->execute(
            AddonsEnum::ADDONS_NAME_OPERATION_CENTER, (new UserCenter()), (new Level()), $order
        ); */

        $this->initLevel($order, $is_finish);

        // 购买商品升级
        $this->setUpgradeLevel(
            $this->checkBuyGoodsUpgrade(),
            UpgradeLog::GOODS
        );

        // 满足条件升级
        $this->setUpgradeLevel(
            $this->checkConditionUpgrade(),
            UpgradeLog::CONDITION
        );

        $this->upgradeLevel();
    }

    /**
     * 购买商品
     * 
     * @return Level|false
     */
    public function checkBuyGoodsUpgrade()
    {
        $center = $this->order->center;
        if (empty($center)) return false;

        // 等级
        $levels = $this->getLevels($center);
        // 订单详情
        $details = $this->order->detail;

        foreach ($details as $detail) {
            foreach ($levels as $item) {
                /**
                 * @var Level
                 */
                $item = $item;
                if (
                    // 开启自动升级
                    $item->hasUpgrade() &&
                    // 开启购物升级
                    $item->openGoodsUpgrade() &&
                    // 是否订单完成 或者支付完成
                    $item->buyGoodsType($this->isFinish) &&
                    // 是否指定商品
                    $item->isUpgradeGoods($detail->goods_id)
                ) {
                    return $item;
                }
            }
        }

        return false;
    }

    /**
     * 条件
     *
     * @return Level|false
     */
    public function checkConditionUpgrade()
    {
        return false;
    }

    /**
     * @param UserCenter $center
     * @return array
     */
    protected function getLevels(UserCenter $center)
    {
        if (!empty($this->levelList)) return $this->levelList;

        return Level::getLevelByGtLevel($this->mall_id, $center->level);
    }

    /**
     * 设置Level
     *
     * @param Level|false $level
     * @return void
     */
    protected function setUpgradeLevel($level, int $type)
    {
        $this->upgradeLevel[$type] = $level;
    }

    /**
     * 获取升级
     *
     * @return array
     */
    protected function getUpgradeLevel()
    {
        $level = null;
        $type = null;

        foreach ($this->upgradeLevel as $level1) {
            foreach ($this->upgradeLevel as $type => $level2) {
                if ($level2 && ($level1 == false)) {
                    $level = $level2;
                    $type = $type;
                }
                if ($level2 && $level1 && $level2->level > $level1->level) {
                    $level = $level2;
                    $type = $type;
                }
            }
        }

        return [$level, $type];
    }

    /**
     * 升级
     *
     * @return void
     */
    protected function upgradeLevel()
    {
        list($level, $type) = $this->getUpgradeLevel();
        if ($level) {
            /**
             * @var UserCenter
             */
            $center = $this->order->center;

            $t = Yii::$app->db->beginTransaction();
            try {
                $center->setLevel($level);
                UpgradeLog::addUpgradeLog(
                    $this->mall_id, $center->user_id, $level->id, $type
                );
            } catch (Exception $e) {
                $t->rollBack();
                Yii::error('升级失败, 订单ID: %s', $this->order->id);
            }
            $t->commit();
        }
    }
}