<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use app\common\library\DatabaseRoute;
use think\facade\Db;

class DiscSpinning extends Backend
{

    protected array $noNeedPermission = ['selectDiscSpinning', 'updateDiscSpinning', 'deleteDiscSpinning', 'insertDiscSpinning'];

    // 查询大转盘
    public function selectDiscSpinning()
    {
        $get = $this->request->get();
        $db = Db::connect(get_slave_connect_name());
        $count = $db->name('disc_spinning')->where(['disc_type' => $get['source']])->count();
        $res = $db->name('disc_spinning')->where(['disc_type' => $get['source']])->limit(page($get['page'], $get['limit']), $get['limit'])->order('disc_type', 'asc')->order('odds', 'asc')->select()->toArray();
        $this->n_success(['data' => [
            'totalCount' => $count,
            'pageSize' => $get['limit'],
            'totalPage' => ceil($count / $get['limit']),
            'currPage' => $get['page'],
            'list' => null,
            'records' => $res
        ]]);
    }


    // 修改大转盘
    public function updateDiscSpinning()
    {
        $post = $this->request->post();
//        if(empty($post['name']) || empty($post['url']) || empty($post['type']) || empty($post['odds']) || empty($post['discType']) || empty($post['id'])) {
//            $this->error('参数不完整');
//        }

        // 查询指定类型的奖品列表（按type和id升序排列）
        $prizes = Db::name('disc_spinning')
            ->where('disc_type', $post['discType'])
            ->order('type', 'asc')
            ->order('id', 'asc')
            ->select()
            ->toArray();

        // 处理奖品概率累加
        $upPrizes = [];
        $number = 0; // 概率累加值（PHP使用浮点数，需注意精度问题）

        foreach ($prizes as $key => $prize) {
            // 如果是当前编辑的奖品，使用传入的数据覆盖
            if ($prize['id'] == $post['id']) {
                $prizes[$key] = $post;
                $prize = $post;
            }

            // 累加概率
            $number += $prize['odds'];
            $prizes[$key]['number'] = $number; // 记录累加后的概率值

            // 添加到结果列表
            $upPrizes[] = convertKeysCamelToSnakeRecursive($prizes[$key]);
        }

        // 验证概率总和是否超过100
        if ($number > 100) {
            $this->error("中奖概率总和 不可超过100");
        }

        \app\admin\model\DiscSpinning::updateBatchById($upPrizes);
        $this->success();
    }

    // 删除大转盘
    public function deleteDiscSpinning()
    {
        $post = $this->request->post();
        if(empty($post['id'])) {
            $this->error('id不能为空');
        }
        $db = Db::connect(get_master_connect_name());
        if($db->name('disc_spinning')->where(['id' => $post['id']])->delete()) {
            $this->success();
        }
        $this->error();
    }

    // 转盘添加抽奖项
    public function insertDiscSpinning()
    {
        $post = $this->request->post();
        if(empty($post['name']) || empty($post['url']) || empty($post['type']) || empty($post['odds']) || empty($post['discType'])) {
            $this->error('参数不完整');
        }
        // 查询指定类型的奖品列表（按type和id升序排列）
        $prizes = Db::name('disc_spinning')
            ->where('disc_type', $post['discType'])
            ->order('type', 'asc')
            ->order('id', 'asc')
            ->select()
            ->toArray();
        // 计算当前奖品总概率
        $totalOdds = 0;
        foreach ($prizes as &$prize) {
            $totalOdds += $prize['odds'];
            $prize['number'] = $totalOdds;
        }
        unset($prize); // 释放引用
        // 计算新增奖品后的总概率
        $newTotalOdds = $totalOdds + $post['odds'];
        // 验证概率总和是否超过100
        if ($newTotalOdds > 100) {
            $this->error("中奖概率总和 不可超过100");
        }
        // 设置创建时间（使用当前时间戳）
        $post['create_time'] = date('Y-m-d H:i:s');
        $post['number'] = $post['odds'];
        \app\admin\model\DiscSpinning::updateBatchById($prizes);
        Db::name('disc_spinning')->insert($post);
        $this->success();
    }


}