<?php

namespace App\Services;

use App\Services\BaseService;
use App\Models\UserBalanceLog;

class UserBalanceLogService extends BaseService
{

    public static $MODEL = UserBalanceLog::class;


    /**
     * @description: 获取查询条件
     * @param {array} $search 查询内容
     * @return {array}
     */
    public static function getWhere(array $search = []): array
    {
        $where = [];
        if (isset($search['id']) && $search['id'] !== '') {
            $where[] = ['id', '=', $search['id']];
        }
        if (isset($search['user_id']) && $search['user_id'] !== '') {
            $where[] = ['user_id', '=', $search['user_id']];
        }
        if (isset($search['change_type']) && $search['change_type'] !== '') {
            $where[] = ['change_type', '=', $search['change_type']];
        }
        if (isset($search['type']) && $search['type'] !== '') {
            if ($search['type'] == self::YES) {
                $where[] = ['change_amount', '>', 0];
            } else {
                $where[] = ['change_amount', '<', 0];
            }
        }
        return $where;
    }

    /**
     * @description: 查询单条数据
     * @param array $search
     * @return
     */
    public static function findOne(array $search)
    {
        return static::model()::where(static::getWhere($search))->first();
    }

    /**
     * @description: 查询所有数据
     * @param array $search
     * @return \Illuminate\Database\Eloquent\Collection
     */
    public static function findAll(array $search = [])
    {
        return static::model()::where(static::getWhere($search))->get();
    }


    /**
     * @description: 分页查询
     * @param array $search
     * @return \Illuminate\Contracts\Pagination\LengthAwarePaginator
     */
    public static function paginate(array $search = [])
    {

        $limit = isset($search['limit']) ? $search['limit'] : 15;
        $paginator = static::model()::where(static::getWhere($search))
            ->orderBy('updated_at', 'desc')
            ->paginate($limit);
        return ['total' => $paginator->total(), 'data' => $paginator->items()];
    }


    /**
     * @description:
     * @param {*} $params
     * @return {*}
     */
    public static function submit($params = [])
    {
        $result = false;
        $msg['code'] = self::NOT;
        $msg['msg'] = '';

        // 2. 判断是否是更新
        if (!empty($params['id'])) {
            // 更新
            $info = self::findOne(['id' => $params['id']]);
            if (!$info) {
                $msg['msg'] = '数据不存在！';
            } else {
                $result = $info->update($params);
                $id = $params['id'];
            }

        } else {
            // 创建
            $result = $info = self::model()::create($params);
            $id = $result->id;
        }


        if ($result) {
            $msg['code'] = self::YES;
            $msg['msg'] = '设置成功';
        } else {
            $msg['msg'] = empty($msg['msg']) ? '操作失败' : $msg['msg'];
        }

        return $msg;
    }

    /**
     * 添加日志
     *
     * @param int $userId
     * @param string|null $changeType 类型
     * @param string|null $beforeBalance 变动前余额
     * @param string|null $changeAmount 变动金额
     * @param string|null $remark 备注
     * @return array
     */
    public static function addLog($userId, $changeType = '', $beforeBalance = '', $changeAmount = '', $remark = '', $withdrawsId = null)
    {
        $afterBalance = bcadd($beforeBalance, $changeAmount, 4);
        $params = [
            'user_id' => $userId,
            'change_type' => $changeType,
            'before_balance' => $beforeBalance,
            'change_amount' => $changeAmount,
            'after_balance' => $afterBalance,
            'remark' => $remark,
            'withdraws_id' => $withdrawsId
        ];

        return self::submit($params);
    }
}