<?php

declare(strict_types=1);

namespace App\Controllers\User;

use App\Controllers\BaseController;
use App\Models\Huodong;
use App\Models\Order;
use App\Models\Product;
use App\Models\UserCoupon;
use Psr\Http\Message\ResponseInterface;
use Slim\Http\Response;
use Slim\Http\ServerRequest;
use function explode;
use function in_array;
use function json_decode;
use function time;

final class CouponController extends BaseController
{

    public function check(ServerRequest $request, Response $response, array $args): ResponseInterface
    {
        $coupon_raw = $this->antiXss->xss_clean($request->getParam('coupon'));
        $product_id = $this->antiXss->xss_clean($request->getParam('product_id'));
        $invalid_coupon_msg = '优惠码无效';

        if ($coupon_raw === '') {
            return $response->withJson([
                'ret' => 2,
                'msg' => "不使用优惠码",
            ]);
        }

        $coupon = (new UserCoupon())->where('code', $coupon_raw)->first();

        if ($coupon === null || ($coupon->expire_time !== 0 && $coupon->expire_time < time())) {
            return $response->withJson([
                'ret' => 0,
                'msg' => $invalid_coupon_msg,
            ]);
        }

        $product = (new Product())->where('id', $product_id)->first();

        if ($product === null) {
            return $response->withJson([
                'ret' => 0,
                'msg' => $invalid_coupon_msg,
            ]);
        }

        $limit = json_decode($coupon->limit);

        if ($limit->disabled) {
            return $response->withJson([
                'ret' => 0,
                'msg' => $invalid_coupon_msg,
            ]);
        }

        if ($limit->product_id !== '' && ! in_array($product_id, explode(',', $limit->product_id))) {
            return $response->withJson([
                'ret' => 0,
                'msg' => $invalid_coupon_msg,
            ]);
        }

        $user = $this->user;
        $use_limit = $limit->use_time;

        if ($use_limit > 0) {
            $user_use_count = (new Order())->where('user_id', $user->id)->where('coupon', $coupon->code)->count();
            if ($user_use_count >= $use_limit) {
                return $response->withJson([
                    'ret' => 0,
                    'msg' => $invalid_coupon_msg,
                ]);
            }
        }

        $total_use_limit = $limit->total_use_time;

        if ($total_use_limit > 0 && $coupon->use_count >= $total_use_limit) {
            return $response->withJson([
                'ret' => 0,
                'msg' => $invalid_coupon_msg,
            ]);
        }

        $content = json_decode($coupon->content);
        $invalid_coupon_msg = "优惠码有效";
//        $iRet = 1;
//        $sMsg = "优惠码可用";
//
//        $sDateNow = date("Y-m-d");
////        $sDateNow = "2025-05-02";
//        $oHuodong = Huodong::where("start_date", "<=", $sDateNow)->where("end_date", ">=", $sDateNow)->first();
//
//        if ($oHuodong) {
//            if ($oHuodong->class == "A") {
//                if ($content->type === 'percentage') {
//
//                    $content->value = $oHuodong->coupon_global;
//                    $iRet = 2;
//                    $sMsg = '该优惠码可用，在【'.$oHuodong->title.'】期间视为-'.$oHuodong->coupon_global.'%优惠。';
//
//                }
//            }
//        }
//
//        if ($content->type === 'percentage') {
//            $discount = $product->price * $content->value / 100;
//        } else {
//            $discount = $content->value;
//        }
//
//        $buy_price = $product->price - $discount;

//        return $response->withJson([
//            'ret' => $iRet,
//            'msg' => $sMsg,
//            'discount' => $discount,
//            'buy_price' => $buy_price,
//        ]);
        
        return $response->withJson([
            'ret' => 1,
            'msg' => $invalid_coupon_msg,
            'coupon_value' => $content->value,
//            'name' => 8888,
//            'code' => 111,
//            'shop' => 222,
//            'credit' => $discount,
//            'total' => $buy_price,
        ]);
    }
    
    public function check_old(ServerRequest $request, Response $response, array $args): ResponseInterface
    {
        $coupon_raw = $this->antiXss->xss_clean($request->getParam('coupon'));
        $product_id = $this->antiXss->xss_clean($request->getParam('product_id'));
        $invalid_coupon_msg = '优惠码无效';

        if ($coupon_raw === '') {
            return $response->withJson([
                'ret' => 0,
                'msg' => $invalid_coupon_msg,
            ]);
        }

        $coupon = (new UserCoupon())->where('code', $coupon_raw)->first();

        if ($coupon === null || ($coupon->expire_time !== 0 && $coupon->expire_time < time())) {
            return $response->withJson([
                'ret' => 0,
                'msg' => $invalid_coupon_msg,
            ]);
        }

        $product = (new Product())->where('id', $product_id)->first();

        if ($product === null) {
            return $response->withJson([
                'ret' => 0,
                'msg' => $invalid_coupon_msg,
            ]);
        }

        $limit = json_decode($coupon->limit);

        if ($limit->disabled) {
            return $response->withJson([
                'ret' => 0,
                'msg' => $invalid_coupon_msg,
            ]);
        }

        if ($limit->product_id !== '' && ! in_array($product_id, explode(',', $limit->product_id))) {
            return $response->withJson([
                'ret' => 0,
                'msg' => $invalid_coupon_msg,
            ]);
        }

        $user = $this->user;
        $use_limit = $limit->use_time;

        if ($use_limit > 0) {
            $user_use_count = (new Order())->where('user_id', $user->id)->where('coupon', $coupon->code)->count();
            if ($user_use_count >= $use_limit) {
                return $response->withJson([
                    'ret' => 0,
                    'msg' => $invalid_coupon_msg,
                ]);
            }
        }

        $total_use_limit = $limit->total_use_time;

        if ($total_use_limit > 0 && $coupon->use_count >= $total_use_limit) {
            return $response->withJson([
                'ret' => 0,
                'msg' => $invalid_coupon_msg,
            ]);
        }

        $content = json_decode($coupon->content);
        
        $iRet = 1;
        $sMsg = "优惠码可用";
        
        $sDateNow = date("Y-m-d");
//        $sDateNow = "2025-05-02";
        $oHuodong = Huodong::where("start_date", "<=", $sDateNow)->where("end_date", ">=", $sDateNow)->first();
        
        if ($oHuodong) {
            if ($oHuodong->class == "A") {
                if ($content->type === 'percentage') {
                    
                    $content->value = $oHuodong->coupon_global;
                    $iRet = 2;
                    $sMsg = '该优惠码可用，在【'.$oHuodong->title.'】期间视为-'.$oHuodong->coupon_global.'%优惠。';
                    
                }
            }
        }

        if ($content->type === 'percentage') {
            $discount = $product->price * $content->value / 100;
        } else {
            $discount = $content->value;
        }

        $buy_price = $product->price - $discount;

        return $response->withJson([
            'ret' => $iRet,
            'msg' => $sMsg,
            'discount' => $discount,
            'buy_price' => $buy_price,
        ]);
    }
}