<?php

declare(strict_types=1);

use app\common\service\qywx\QywxPromotionMemberSchedulerService;
use app\common\service\qywx\QywxPromotionWeightedRandom;

require dirname(__DIR__) . '/vendor/autoload.php';

$assert = static function (bool $condition, string $message): void {
    if (!$condition) {
        throw new RuntimeException($message);
    }
};

$today = '2026-08-25';
$now = strtotime($today . ' 12:00:00');
$members = [
    ['id' => 1, 'enabled' => 1, 'weight' => 2, 'current_weight' => 9, 'daily_limit' => 0, 'today_count' => 0, 'today_date' => $today],
    ['id' => 2, 'enabled' => 1, 'weight' => 1, 'current_weight' => -3, 'daily_limit' => 0, 'today_count' => 0, 'today_date' => $today],
    ['id' => 3, 'enabled' => 1, 'weight' => 1, 'current_weight' => 4, 'daily_limit' => 0, 'today_count' => 0, 'today_date' => $today],
];

$assert(QywxPromotionWeightedRandom::select($members, $today, $now, 1)['selected_id'] === 1, '权重 2 的第一个区间映射错误');
$assert(QywxPromotionWeightedRandom::select($members, $today, $now, 2)['selected_id'] === 1, '权重 2 的第二个区间映射错误');
$assert(QywxPromotionWeightedRandom::select($members, $today, $now, 3)['selected_id'] === 2, '第二名成员的随机区间映射错误');
$fourth = QywxPromotionWeightedRandom::select($members, $today, $now, 4);
$assert($fourth['selected_id'] === 3, '第三名成员的随机区间映射错误');
$assert($fourth['total_weight'] === 4 && $fourth['eligible_count'] === 3, '随机池权重合计错误');
$assert(array_column($fourth['members'], 'current_weight') === [0, 0, 0], '旧版平滑游标没有归零');

$limited = QywxPromotionWeightedRandom::select([
    ['id' => 1, 'enabled' => 0, 'weight' => 10, 'current_weight' => 0, 'daily_limit' => 0, 'today_count' => 0, 'today_date' => $today],
    ['id' => 2, 'enabled' => 1, 'weight' => 5, 'current_weight' => 0, 'daily_limit' => 3, 'today_count' => 3, 'today_date' => $today],
    ['id' => 3, 'enabled' => 1, 'weight' => 1, 'current_weight' => 0, 'daily_limit' => 0, 'today_count' => 8, 'today_date' => $today],
], $today, $now, 1);
$assert($limited['selected_id'] === 3 && $limited['eligible_count'] === 1, '禁用成员或达到上限的成员仍进入随机池');

$reset = QywxPromotionWeightedRandom::select([
    ['id' => 4, 'enabled' => 1, 'weight' => 1, 'current_weight' => 0, 'daily_limit' => 1, 'today_count' => 1, 'today_date' => '2026-08-24'],
], $today, $now, 1);
$assert($reset['selected_id'] === 4 && $reset['members'][0]['today_count'] === 0, '跨日数量没有自动重置');
$assert(QywxPromotionMemberSchedulerService::poolIdFromState('zyt_pool:123') === 123, 'customer_channel 方案 ID 解析失败');
$assert(QywxPromotionMemberSchedulerService::poolIdFromState('qywx_ca:123') === 0, '不应接管其他系统的 customer_channel');

echo "QYWX_PROMOTION_WEIGHTED_RANDOM_OK\n";