<?php
declare (strict_types=1);

namespace app\api\controller;

use app\BaseController;
use app\model\api\Order as OrderModel;
use app\model\api\PayTrade;
use app\model\api\User as UserModel;
use app\model\api\UserScoreDetail;
use app\Request;
use library\services\UtilService;
use think\db\exception\DbException;
use think\facade\Db;

class Order extends BaseController
{
    /**
     * 订单列表
     * @param Request $request
     */
    public function list(Request $request)
    {
        $pageSize = 20;
        $post = UtilService::getMore([
            ['page', 1],
            ['status', ''],
        ], $request);

        $where = [
            ['uid', '=', $request->user['uid']]
        ];

        if ($post['status'] !== '' && in_array((string)$post['status'], ["0", "1", "2", "3", "-1"])) {
            $where[] = ['status', '=', (int)$post['status']];
        }

        $order = new OrderModel;
        $data = $order
            ->where($where)
            ->page((int)$post["page"], $pageSize)
            ->order("id", "desc")
            ->select()
            ->toArray();

        $pageCount = $order->where($where)->count();

        return app('json')->success([
            'list' => $data,
            'pageCount' => $pageCount,
            'pageSize' => $pageSize,
            'page' => $post['page'],
        ]);
    }

    /**
     * 订单详情
     * @param Request $request
     */
    public function info(Request $request)
    {
        $post = UtilService::getMore([
            ['order_id', '', 'empty', '参数错误'],
        ], $request);

        $orderData = (new OrderModel)
            ->where("order_id", $post['order_id'])
            ->where("uid", $request->user['uid'])
            ->find();

        if (empty($orderData)) {
            return app('json')->fail('订单不存在');
        }

        return app('json')->success($orderData);
    }

    /**
     * 取消订单
     * @param Request $request
     */
    public function cancel(Request $request)
    {
        $post = UtilService::getMore([
            ['order_id', '', 'empty', '参数错误'],
        ], $request);

        $orderData = (new OrderModel)
            ->where("order_id", $post['order_id'])
            ->where("uid", $request->user['uid'])
            ->where("status", 0)
            ->find();

        if (empty($orderData)) {
            return app('json')->fail('订单不存在或已取消');
        }

        (new OrderModel)->where("id", $orderData['id'])->update(['status' => -1]);

        return app('json')->success('订单已取消');
    }

    /**
     * 确认收货
     * @param Request $request
     */
    public function confirm(Request $request)
    {
        $post = UtilService::getMore([
            ['order_id', '', 'empty', '参数错误'],
        ], $request);

        $orderData = (new OrderModel)
            ->where("order_id", $post['order_id'])
            ->where("uid", $request->user['uid'])
            ->where("status", 2)
            ->find();

        if (empty($orderData)) {
            return app('json')->fail('订单不存在或状态错误');
        }

        (new OrderModel)->where("id", $orderData['id'])->update([
            'status' => 3,
            'ok_time' => time()
        ]);

        return app('json')->success('确认收货成功');
    }

    /**
     * 积分支付
     * @param Request $request
     */
    public function scorePay(Request $request)
    {
        $post = UtilService::getMore([
            ['order_id', '', 'empty', '参数错误'],
        ], $request);

        // 查询订单
        $orderData = (new OrderModel)
            ->where("order_id", $post['order_id'])
            ->where("uid", $request->user['uid'])
            ->find();

        if (empty($orderData)) {
            return app('json')->fail('订单不存在');
        }

        if ($orderData['status'] != 0) {
            return app('json')->fail('订单状态错误');
        }

        // 查询支付流水
        $payTradeData = (new PayTrade)
            ->where("o_id", $orderData['id'])
            ->where("code", "shop_order")
            ->find();

        if (empty($payTradeData)) {
            return app('json')->fail('支付流水不存在');
        }

        if ($payTradeData['status'] == 1) {
            return app('json')->fail('订单已支付');
        }

        // 检查用户积分
        $userData = (new UserModel)->where("uid", $request->user['uid'])->find();
        if (empty($userData)) {
            return app('json')->fail('用户不存在');
        }

        if ($userData['score'] < $orderData['pay_money']) {
            return app('json')->fail('积分不足');
        }

        // 开启事务
        PayTrade::beginTrans();
        try {
            // 扣除积分
            $scoreResult = (new UserScoreDetail)->payScore(
                $request->user['uid'],
                floatval($orderData['pay_money']),
                'outcome_score',
                '订单支付:'.$orderData['order_id'],
                ['o_id' => $orderData['id']]
            );

            if (!$scoreResult) {
                PayTrade::rollbackTrans();
                return app('json')->fail('积分扣除失败');
            }

            // 更新支付流水
            $pay_json = json_encode([
                'pay_type' => 'score',
                'score' => $orderData['pay_money'],
                'pay_time' => time()
            ]);

            (new PayTrade)->where('id', $payTradeData['id'])->update([
                'status' => 1,
                'pay_time' => time(),
                'pay_json' => $pay_json
            ]);

            // 更新订单状态
            (new OrderModel)->where("id", $orderData['id'])->update([
                'status' => 1,
                'pay_time' => time()
            ]);

            PayTrade::commitTrans();
            return app('json')->success('积分支付成功');
        } catch (DbException $e) {
            PayTrade::rollbackTrans();
            return app('json')->fail('支付失败');
        }
    }
}