297 lines
10 KiB
PHP
297 lines
10 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | saiadmin [ saiadmin快速开发框架 ]
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// +----------------------------------------------------------------------
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// | Author: your name
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// +----------------------------------------------------------------------
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namespace app\dice\logic\reward_config;
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use app\dice\model\lottery_pool_config\DiceLotteryPoolConfig;
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use app\dice\model\reward_config\DiceRewardConfig;
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use app\dice\model\reward_config\DiceRewardConfigRecord;
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use plugin\saiadmin\basic\think\BaseLogic;
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use plugin\saiadmin\exception\ApiException;
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use plugin\saiadmin\utils\Helper;
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use support\Log;
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/**
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* 奖励配置逻辑层（DiceRewardConfig）
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* weight 1-10000，各档位权重和不限制
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*/
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class DiceRewardConfigLogic extends BaseLogic
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{
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/** weight 取值范围 */
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private const WEIGHT_MIN = 1;
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private const WEIGHT_MAX = 10000;
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public function __construct()
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{
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$this->model = new DiceRewardConfig();
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}
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/**
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* 新增：weight 限制 1-10000；保存后刷新缓存
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*/
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public function add(array $data): mixed
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{
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$data = $this->normalizeWeight($data);
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$result = parent::add($data);
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DiceRewardConfig::refreshCache();
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return $result;
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}
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/**
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* 修改：weight 限制 1-10000；保存后刷新缓存
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*/
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public function edit($id, array $data): mixed
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{
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$data = $this->normalizeWeight($data);
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$result = parent::edit($id, $data);
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DiceRewardConfig::refreshCache();
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return $result;
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}
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/**
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* 删除后刷新缓存
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*/
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public function destroy($ids): bool
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{
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$result = parent::destroy($ids);
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if ($result) {
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DiceRewardConfig::refreshCache();
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}
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return $result;
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}
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/**
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* weight 限制 1-10000
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*/
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private function normalizeWeight(array $data): array
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{
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$w = isset($data['weight']) ? (int) $data['weight'] : self::WEIGHT_MIN;
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$data['weight'] = max(self::WEIGHT_MIN, min(self::WEIGHT_MAX, $w));
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return $data;
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}
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/**
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* 按档位分组返回奖励配置列表（用于 T1-T5、BIGWIN 权重配比）
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* @return array<string, array> 键为 T1|T2|T3|T4|T5|BIGWIN，值为该档位下的配置行数组
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*/
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public function getListGroupedByTier(): array
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{
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$tiers = ['T1', 'T2', 'T3', 'T4', 'T5', 'BIGWIN'];
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$list = $this->model->whereIn('tier', $tiers)->order('tier')->order('id')->select()->toArray();
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$grouped = [];
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foreach ($tiers as $t) {
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$grouped[$t] = [];
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}
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foreach ($list as $row) {
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$tier = isset($row['tier']) ? (string) $row['tier'] : '';
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if ($tier !== '' && isset($grouped[$tier])) {
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$grouped[$tier][] = $row;
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}
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}
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return $grouped;
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}
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/**
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* 批量更新权重：单条 weight 1-10000，各档位权重和不限制
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* @param array<int, array{id: int, weight: int}> $items 元素为 [ id => 配置ID, weight => 1-10000 ]
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* @throws ApiException 当单条 weight 非法时
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*/
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public function batchUpdateWeights(array $items): void
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{
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if (empty($items)) {
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return;
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}
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$items = array_values($items);
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$ids = [];
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$weightById = [];
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foreach ($items as $item) {
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if (!is_array($item)) {
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continue;
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}
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$id = isset($item['id']) ? (int) $item['id'] : 0;
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$w = isset($item['weight']) ? (int) $item['weight'] : self::WEIGHT_MIN;
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if ($id < 0) {
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throw new ApiException('存在无效的配置ID');
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}
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if ($w < self::WEIGHT_MIN || $w > self::WEIGHT_MAX) {
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throw new ApiException('权重必须在 ' . self::WEIGHT_MIN . '-' . self::WEIGHT_MAX . ' 之间');
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}
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$ids[] = $id;
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$weightById[$id] = $w;
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}
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$list = $this->model->whereIn('id', array_unique($ids))->field('id,tier,grid_number')->select()->toArray();
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$idToTier = [];
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foreach ($list as $r) {
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$id = isset($r['id']) ? (int) $r['id'] : 0;
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$idToTier[$id] = isset($r['tier']) ? (string) $r['tier'] : '';
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}
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foreach ($weightById as $id => $w) {
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$tier = $idToTier[$id] ?? '';
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if ($tier === '') {
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throw new ApiException('配置ID ' . $id . ' 不存在或档位为空');
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}
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DiceRewardConfig::where('id', $id)->update(['weight' => $w]);
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}
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DiceRewardConfig::refreshCache();
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}
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/** 测试时档位权重均为 0 的异常标识 */
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private const EXCEPTION_WEIGHT_ALL_ZERO = 'REWARD_WEIGHT_ALL_ZERO';
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/**
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* 按权重抽取一条配置（与 PlayStartLogic 抽奖逻辑一致，仅 weight>0 参与）
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*/
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private static function drawRewardByWeight(array $rewards): array
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{
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if (empty($rewards)) {
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throw new \InvalidArgumentException('rewards 不能为空');
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}
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$candidateWeights = [];
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foreach ($rewards as $i => $row) {
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$w = isset($row['weight']) ? (float) $row['weight'] : 0.0;
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if ($w > 0) {
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$candidateWeights[$i] = $w;
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}
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}
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$total = (float) array_sum($candidateWeights);
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if ($total > 0) {
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$r = (random_int(0, PHP_INT_MAX - 1) / (float) PHP_INT_MAX) * $total;
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$acc = 0.0;
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foreach ($candidateWeights as $i => $w) {
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$acc += $w;
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if ($r < $acc) {
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return $rewards[$i];
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}
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}
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return $rewards[array_key_last($candidateWeights)];
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}
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throw new \RuntimeException(self::EXCEPTION_WEIGHT_ALL_ZERO);
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}
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/**
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* 按档位权重数组抽取 T1-T5
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*/
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private static function drawTierByWeightArray(array $tiers, array $weights): string
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{
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$total = array_sum($weights);
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if ($total <= 0) {
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return $tiers[random_int(0, count($tiers) - 1)];
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}
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$r = random_int(1, (int) $total);
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$acc = 0;
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foreach ($weights as $i => $w) {
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$acc += (int) $w;
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if ($r <= $acc) {
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return $tiers[$i];
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}
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}
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return $tiers[count($tiers) - 1];
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}
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/**
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* 运行权重配比测试：仅按当前配置在内存中模拟 N 次抽奖，统计各 grid_number 落点数量。
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* 不创建任何游玩记录（DicePlayRecord）、不扣券、不写钱包，仅用于验证权重配比效果。
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*
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* @param int $testCount 测试次数 100/500/1000/5000/10000
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* @param bool $saveRecord 是否保存到 dice_reward_config_record（测试记录表，非游玩记录）
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* @param int|null $adminId 执行人管理员ID
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* @param int|null $lotteryConfigId 奖池配置ID（DiceLotteryPoolConfig），用于设定 T1-T5 档位概率；不传则使用 type=0 的配置或均等
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* @return array{counts: array<int,int>, record_id: int|null} counts 为 grid_number=>出现次数
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*/
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public function runWeightTest(int $testCount, bool $saveRecord = true, ?int $adminId = null, ?int $lotteryConfigId = null): array
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{
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$allowedCounts = [100, 500, 1000, 5000, 10000];
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if (!in_array($testCount, $allowedCounts, true)) {
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throw new ApiException('测试次数仅支持 100、500、1000、5000、10000');
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}
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$grouped = $this->getListGroupedByTier();
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$tiers = ['T1', 'T2', 'T3', 'T4', 'T5'];
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$tierWeights = [1, 1, 1, 1, 1];
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$config = null;
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if ($lotteryConfigId !== null && $lotteryConfigId > 0) {
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$config = DiceLotteryPoolConfig::find($lotteryConfigId);
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}
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if (!$config) {
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$config = DiceLotteryPoolConfig::where('type', 0)->find();
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}
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if ($config) {
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$tierWeights = [
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(int) ($config->t1_weight ?? 0),
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(int) ($config->t2_weight ?? 0),
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(int) ($config->t3_weight ?? 0),
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(int) ($config->t4_weight ?? 0),
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(int) ($config->t5_weight ?? 0),
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];
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if (array_sum($tierWeights) <= 0) {
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$tierWeights = [1, 1, 1, 1, 1];
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}
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}
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$counts = [];
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$maxRetry = 20;
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for ($i = 0; $i < $testCount; $i++) {
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$tier = self::drawTierByWeightArray($tiers, $tierWeights);
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$rewards = $grouped[$tier] ?? [];
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if (empty($rewards)) {
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continue;
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}
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$attempt = 0;
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while ($attempt < $maxRetry) {
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try {
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$chosen = self::drawRewardByWeight($rewards);
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$gridNumber = isset($chosen['grid_number']) ? (int) $chosen['grid_number'] : 0;
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if ($gridNumber >= 5 && $gridNumber <= 30) {
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$counts[$gridNumber] = ($counts[$gridNumber] ?? 0) + 1;
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}
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break;
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} catch (\RuntimeException $e) {
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if ($e->getMessage() === self::EXCEPTION_WEIGHT_ALL_ZERO) {
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$attempt++;
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continue;
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}
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throw $e;
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}
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}
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}
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$snapshot = [];
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foreach ($grouped as $tierKey => $rows) {
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foreach ($rows as $row) {
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$snapshot[] = [
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'id' => (int) ($row['id'] ?? 0),
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'grid_number' => (int) ($row['grid_number'] ?? 0),
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'tier' => (string) ($row['tier'] ?? ''),
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'weight' => (int) ($row['weight'] ?? 0),
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];
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}
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}
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$tierWeightsSnapshot = [
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'T1' => $tierWeights[0] ?? 0,
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'T2' => $tierWeights[1] ?? 0,
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'T3' => $tierWeights[2] ?? 0,
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'T4' => $tierWeights[3] ?? 0,
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'T5' => $tierWeights[4] ?? 0,
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];
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$recordId = null;
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if ($saveRecord) {
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$record = new DiceRewardConfigRecord();
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$record->test_count = $testCount;
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$record->weight_config_snapshot = $snapshot;
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$record->tier_weights_snapshot = $tierWeightsSnapshot;
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$record->lottery_config_id = $config ? (int) $config->id : null;
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$record->result_counts = $counts;
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$record->admin_id = $adminId;
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$record->create_time = date('Y-m-d H:i:s');
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$record->save();
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$recordId = (int) $record->id;
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}
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return ['counts' => $counts, 'record_id' => $recordId];
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}
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}
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