<?php


namespace App\Services;

use App\Services\BaseService;
use App\Models\Issue;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\Log;

use App\Services\GameplayRuleService;
use App\Constants\GameplayRuleEnum;
use App\Http\Controllers\admin\Game;

/**
 * 投注
*/
class IssueService extends BaseService 
{
    /**
     * @description: 模型
     * @return {string}
     */    
    public static function model() :string
    {
        return Issue::class;
    }

    /**
     * @description: 枚举
     * @return {*}
     */    
    public static function enum() :string
    {
        return '';
    }

    /**
     * @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['issue_no']) && !empty($search['issue_no'])){
            $where[] = ['issue_no', '=', $search['issue_no']];
        }
        if(isset($search['id']) && !empty($search['id'])){
            $where[] = ['id', '=', $search['id']];
        }
        if(isset($search['status']) && !empty($search['status'])){
            $where[] = ['status', '=', $search['status']];
        }
        return $where;
    }

     /**
     * @description: 查询单条数据
     * @param array $search
     * @return \App\Models\Coin|null
     */
    public static function findOne(array $search): ?Issue
    {
        return self::model()::where(self::getWhere($search))->first();
    }

    /**
     * @description: 查询所有数据
     * @param array $search
     * @return \Illuminate\Database\Eloquent\Collection
     */
    public static function findAll(array $search = [])
    {
        return self::model()::where(self::getWhere($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;
        $paginator = self::model()::where(self::getWhere($search))->paginate($limit);
        return ['total' => $paginator->total(), 'data' => $paginator->items()];
    }

    /**
     * @description: 获取中奖的奖项
     * @param {*} $winning_numbers
     * @return {*}
     */    
    public static function award($winning_numbers)
    {
        $result = [];
       
        // 组合
        $sum = array_sum($winning_numbers);

        $section = self::getSection($sum); // 总和段位
        $result[] = $section;

        $sumOddEven = self::calculateOddEven($sum); // 总和单双
        $result[] = $sumOddEven;

        $sumSize = self::calculateSumSize($sum);  // 总和大小
        $result[] = $sumSize;
        $sumExtremeSize = self::calculateSumExtremeSize($sum);  // 总和极值
        if($sumExtremeSize){
            $result[] = $sumExtremeSize;
        }
        $sumCao = $sum . '操';  // 总和数字
        $result[] = $sumCao;
        $sumCombo = $sumSize. $sumOddEven;  // 总和大小单双组合
        $result[] = $sumCombo;

        $sumBaoZi = self::isBaoZi($winning_numbers[0], $winning_numbers[1], $winning_numbers[2]); // 豹子
        if($sumBaoZi){
            $result[] = $sumBaoZi;
        }
        $sumPair = self::isPair($winning_numbers[0], $winning_numbers[1], $winning_numbers[2]); // 对子
        if($sumPair){
            $result[] = $sumPair;
        }

        $sumStraight = self::isStraight($winning_numbers[0], $winning_numbers[1], $winning_numbers[2]); // 顺子
        if($sumStraight){
            $result[] = $sumStraight;
        }

        $tail = self::getLastDigit($sum); // 总和尾数
        $result[] = $tail . '尾'; // 尾数

        $tailOddEven = self::calculateOddEven($tail); // 尾数单双
        $result[] = '尾'.$tailOddEven;

        $tailSize = self::calculateOneSize($tail); // 尾数大小
        $result[] = '尾'.$tailSize;

        $tailCombo = '尾'.$tailSize . $tailOddEven; // 尾数大小单双组合
        $result[] = $tailCombo;

        $numA = $winning_numbers[0];    // A球
        $result[] = $numA.'A';

        $numAOddEven = self::calculateOddEven($numA); // A球单双
        $result[] = 'A'.$numAOddEven;

        $numASize = self::calculateOneSize($numA); // A球大小
        $result[] = 'A'.$numASize;


        $numB = $winning_numbers[1];    // B球
        $result[] = $numB.'B';

        $numBOddEven = self::calculateOddEven($numB); // B球
        $result[] = 'B'.$numBOddEven;
        $numBSize = self::calculateOneSize($numB); // B球大小
        $result[] = 'B'.$numBSize;
        $numC = $winning_numbers[2];
        $result[] = $numC.'C';
        $numCOddEven = self::calculateOddEven($numC); // C球单双
        $result[] = 'C'.$numCOddEven;
        $numCSize = self::calculateOneSize($numC); // C球大小
        $result[] = 'C'.$numCSize;


        return $result;
    }


    /**
     * @description: 算单双
     * @param {*} $number
     * @return {*}
     */    
    public static function calculateOddEven($number)
    {
        if ($number & 1) {
            return GameplayRuleEnum::SINGLE;
        } else {
            return GameplayRuleEnum::DOUBLE;
        }
    }

    /**
     * @description: 总和大小
     * @param {*} $number
     * @return {*}
     */    
    public static function calculateSumSize($number)
    {
        if($number >= GameplayRuleEnum::SUM_BIG) {
            return GameplayRuleEnum::BIG;
        }

        if($number <= GameplayRuleEnum::SUM_SMALL){
            return GameplayRuleEnum::SMALL;
        }
    }

    /**
     * @description: 总和极值
     * @param {*} $number
     * @return {*}
     */    
    public static function calculateSumExtremeSize($number)
    {
        $result = '';
        if($number >= GameplayRuleEnum::SUM_EXTREME_BIG) {
            $result = GameplayRuleEnum::EXTREME_BIG;
        }

        if($number <= GameplayRuleEnum::SUM_EXTREME_SMALL){
            $result = GameplayRuleEnum::EXTREME_SMALL;
        }

        return $result;
    }

    /**
     * @description: 豹子
     * @param {int} $a
     * @param {int} $b
     * @param {int} $c
     * @return {*}
     */    
    public static function isBaoZi(int $a, int $b, int $c)
    {
        $result = '';
        if($a === $b && $b === $c){
            $result = GameplayRuleEnum::BAO_ZI;
        }

        return $result;
    }

    /**
     * @description: 对子
     * @param {int} $a
     * @param {int} $b
     * @param {int} $c
     * @return {*}
     */
    public static function isPair($a, $b, $c) {
        $result = '';
        // 确保输入都是个位数
        if (!is_numeric($a) || !is_numeric($b) || !is_numeric($c) ||
            $a < 0 || $a > 9 || $b < 0 || $b > 9 || $c < 0 || $c > 9) {
            return ''; // 或者抛出异常
        }
        
        if(($a == $b && $a != $c) || 
            ($a == $c && $a != $b) || 
            ($b == $c && $b != $a)){
            $result = GameplayRuleEnum::PAIRS;
        }
        // 判断是否为对子情况
        return $result;
    }

    /**
     * @description: 顺子
     * @param {int} $a
     * @param {int} $b
     * @param {int} $c
     * @return {*}
     */
    public static function isStraight($a, $b, $c) {
        $result = '';
        // 确保输入都是个位数（0-9）
        if (!is_numeric($a) || !is_numeric($b) || !is_numeric($c) ||
            $a < 0 || $a > 9 || $b < 0 || $b > 9 || $c < 0 || $c > 9) {
            return '';
        }
    
        // 去重（顺子必须三个不同数字）
        if ($a == $b || $a == $c || $b == $c) {
            return '';
        }
    
        // 检查是否是完全升序或完全降序的连续数字
        $numbers = [$a, $b, $c];
        sort($numbers); // 排序后检查是否是 x, x+1, x+2
        list($x, $y, $z) = $numbers;
    
        // 情况1：升序连续（1,2,3）
        $isAscending = ($x + 1 == $y) && ($y + 1 == $z);
    
        // 情况2：降序连续（3,2,1）
        $isDescending = ($z + 1 == $y) && ($y + 1 == $x);
        if($isAscending || $isDescending){
            $result = GameplayRuleEnum::STRAIGHT;
        }
        return $result;
    }
    
    /**
     * 获取数字的尾数
     * @param int $number 输入数字
     * @return int 尾数
     */
    public static function getLastDigit($number) {
        // 确保输入是整数
        $number = (int)$number;
        // 取绝对值，处理负数情况
        $number = abs($number);
        // 取模10得到尾数
        return $number % 10;
    }


    /**
     * @description: 尾大小
     * @param {*} $number
     * @return {*}
     */    
    public static function calculateOneSize($number)
    {
        if($number >= GameplayRuleEnum::ONE_BIG) {
            return GameplayRuleEnum::BIG;
        }

        if($number <= GameplayRuleEnum::ONE_SMALL){
            return GameplayRuleEnum::SMALL;
        }
    }

    /**
     * @description: 获取段位
     * @param {*} $number
     * @return {*}
     */
    public static function getSection($number) {
        $result = '';
        if ($number >= GameplayRuleEnum::SECTION_1[0] && $number <= GameplayRuleEnum::SECTION_1[1]) {
            $result = GameplayRuleEnum::ONE;
        } elseif ($number >= GameplayRuleEnum::SECTION_2[0] && $number <= GameplayRuleEnum::SECTION_2[1]) {
            $result = GameplayRuleEnum::TWO;
        } elseif ($number >= GameplayRuleEnum::SECTION_3[0] && $number <= GameplayRuleEnum::SECTION_3[1]) {
            $result = GameplayRuleEnum::THREE;
        } elseif ($number >= GameplayRuleEnum::SECTION_4[0] && $number <= GameplayRuleEnum::SECTION_4[1]) {
            $result = GameplayRuleEnum::FOUR;
        }
        return $result; // 不在任何段中
    }
}