<?php
declare(strict_types=1);

namespace app\services\syj;

use app\services\BaseServices;
use app\services\system\config\SystemConfigServices;
use crmeb\services\SystemConfigService;
use think\exception\ValidateException;

class SyjPromoteConfigServices extends BaseServices
{
    public function getConfig(): array
    {
        return [
            'base_amount' => $this->money('syj_task_base_amount', '4333'),
            'target_count' => (int)SystemConfigService::get('syj_task_target_count', 4),
            'reward_rates' => $this->rewardRates(),
            'early_cashout_fee_rate' => $this->money('syj_early_cashout_fee_rate', '7'),
            'task_generate_timing' => (string)SystemConfigService::get('syj_task_generate_timing', 'on_confirm'),
            'task_order_dedupe' => (string)SystemConfigService::get('syj_task_order_dedupe', 'order'),
            'reward_trigger_enable' => (int)SystemConfigService::get('syj_reward_trigger_enable', 1),
            'brokerage_timing' => (string)SystemConfigService::get('brokerage_timing', 'on_confirm'),
        ];
    }

    public function saveConfig(array $data): void
    {
        $baseAmount = (float)($data['base_amount'] ?? 0);
        $targetCount = (int)($data['target_count'] ?? 0);
        $rates = $data['reward_rates'] ?? [];
        if (is_string($rates)) {
            $rates = json_decode($rates, true) ?: [];
        }
        $feeRate = (float)($data['early_cashout_fee_rate'] ?? -1);
        $generateTiming = (string)($data['task_generate_timing'] ?? 'on_confirm');

        if ($baseAmount <= 0) {
            throw new ValidateException('任务基准金额必须大于0');
        }
        if ($targetCount <= 0) {
            throw new ValidateException('目标单数必须大于0');
        }
        if (count($rates) !== $targetCount) {
            throw new ValidateException('奖励比例数量必须与目标单数一致');
        }
        foreach ($rates as $rate) {
            if ((float)$rate < 0 || (float)$rate > 100) {
                throw new ValidateException('奖励比例必须在0到100之间');
            }
        }
        if ($feeRate < 0 || $feeRate > 100) {
            throw new ValidateException('扣费比例必须在0到100之间');
        }
        if (!in_array($generateTiming, ['on_confirm', 'on_pay'], true)) {
            throw new ValidateException('任务生成节点不正确');
        }

        /** @var SystemConfigServices $configServices */
        $configServices = app()->make(SystemConfigServices::class);
        $map = [
            'syj_task_base_amount' => $this->formatMoney($baseAmount),
            'syj_task_target_count' => (string)$targetCount,
            'syj_task_reward_rates' => json_encode(array_values(array_map('floatval', $rates)), JSON_UNESCAPED_UNICODE),
            'syj_early_cashout_fee_rate' => $this->formatMoney($feeRate),
            'syj_task_generate_timing' => $generateTiming,
            'syj_task_order_dedupe' => (string)($data['task_order_dedupe'] ?? 'order'),
            'syj_reward_trigger_enable' => (string)(int)($data['reward_trigger_enable'] ?? 1),
        ];
        foreach ($map as $key => $value) {
            $configServices->setConfig($key, $value);
        }
    }

    public function rewardRates(): array
    {
        $value = SystemConfigService::get('syj_task_reward_rates', '[10,20,30,40]');
        if (is_array($value)) {
            return array_values(array_map('floatval', $value));
        }
        $decoded = json_decode((string)$value, true);
        return is_array($decoded) ? array_values(array_map('floatval', $decoded)) : [10, 20, 30, 40];
    }

    public function rateForStep(int $step): float
    {
        $rates = $this->rewardRates();
        return (float)($rates[$step - 1] ?? 0);
    }

    private function money(string $key, string $default): string
    {
        return $this->formatMoney((float)SystemConfigService::get($key, $default));
    }

    public function formatMoney(float|string $number): string
    {
        return number_format((float)$number, 2, '.', '');
    }
}