<?php

/**
 * 文件功能：AI小班长专属极轻量心跳模拟器
 *
 * 专门用于让无法通过浏览器发送真实心跳的 AI实体用户
 * 也能够完美触原有的法发经验/金币逻辑以及触发随机事件（Autoact）。
 * 每分钟由 Laravel Scheduler 调用。
 *
 * @author   ChatRoom Laravel
 *
 * @version  1.0.0
 */

namespace App\Console\Commands;

use App\Enums\CurrencySource;
use App\Events\MessageSent;
use App\Jobs\SaveMessageJob;
use App\Models\Autoact;
use App\Models\Sysparam;
use App\Models\User;
use App\Services\ChatStateService;
use App\Services\UserCurrencyService;
use App\Services\VipService;
use Illuminate\Console\Command;

class AiHeartbeatCommand extends Command
{
    /**
     * Artisan 指令名称
     */
    protected $signature = 'chatroom:ai-heartbeat';

    /**
     * 指令描述
     */
    protected $description = '模拟 AI 小班长客户端心跳，触发经验金币与随机事件';

    public function __construct(
        private readonly ChatStateService $chatState,
        private readonly VipService $vipService,
        private readonly UserCurrencyService $currencyService,
    ) {
        parent::__construct();
    }

    public function handle(): int
    {
        // 1. 检查总开关
        if (Sysparam::getValue('chatbot_enabled', '0') !== '1') {
            return Command::SUCCESS;
        }

        // 2. 获取 AI 实体
        $user = User::where('username', 'AI小班长')->first();
        if (! $user) {
            return Command::SUCCESS;
        }

        // 3. 常规心跳经验与金币发放
        // (模拟前端每30-60秒发一次心跳的过程，此处每分钟跑一次，发放单人心跳奖励)
        $expGain = $this->parseRewardValue(Sysparam::getValue('exp_per_heartbeat', '1'));
        if ($expGain > 0) {
            $expMultiplier = $this->vipService->getExpMultiplier($user);
            $actualExpGain = (int) round($expGain * $expMultiplier);
            $user->exp_num += $actualExpGain;
        }

        $jjbGain = $this->parseRewardValue(Sysparam::getValue('jjb_per_heartbeat', '0'));
        if ($jjbGain > 0) {
            $jjbMultiplier = $this->vipService->getJjbMultiplier($user);
            $actualJjbGain = (int) round($jjbGain * $jjbMultiplier);
            $user->jjb = ($user->jjb ?? 0) + $actualJjbGain;
        }

        $user->save();
        $user->refresh();

        // 4. 重算等级（基础心跳升级）
        $superLevel = (int) Sysparam::getValue('superlevel', '100');
        $leveledUp = $this->calculateNewLevel($user, $superLevel);

        // 5. 随机事件触发
        $eventChance = (int) Sysparam::getValue('auto_event_chance', '10');
        if ($eventChance > 0 && rand(1, 100) <= $eventChance) {
            $autoEvent = Autoact::randomEvent();
            if ($autoEvent) {
                // 执行随机事件的金钱经验惩奖
                if ($autoEvent->exp_change !== 0) {
                    $this->currencyService->change(
                        $user, 'exp', $autoEvent->exp_change, CurrencySource::AUTO_EVENT, "随机事件：{$autoEvent->text_body}", 1
                    );
                }
                if ($autoEvent->jjb_change !== 0) {
                    $this->currencyService->change(
                        $user, 'gold', $autoEvent->jjb_change, CurrencySource::AUTO_EVENT, "随机事件：{$autoEvent->text_body}", 1
                    );
                }

                $user->refresh();

                // 重新计算等级
                if ($this->calculateNewLevel($user, $superLevel)) {
                    $leveledUp = true;
                }

                // 广播随机事件
                $this->broadcastSystemMessage(
                    '星海小博士',
                    $autoEvent->renderText($user->username),
                    match ($autoEvent->event_type) {
                        'good' => '#16a34a',
                        'bad' => '#dc2626',
                        default => '#7c3aed',
                    }
                );
            }
        }

        // 6. 如果由于心跳或事件导致了升级，广播升级消息
        if ($leveledUp) {
            $this->broadcastSystemMessage(
                '系统传音',
                "🌟 天道酬勤！恭喜侠客【{$user->username}】挂机苦修，境界突破至 LV.{$user->user_level}！",
                '#d97706',
                '大声宣告'
            );
        }

        return Command::SUCCESS;
    }

    /**
     * 计算并更新用户等级
     */
    private function calculateNewLevel(User $user, int $superLevel): bool
    {
        $oldLevel = $user->user_level;

        if ($oldLevel >= $superLevel) {
            return false; // 管理员不自动升降级
        }

        $newLevel = Sysparam::calculateLevel($user->exp_num);
        if ($newLevel !== $oldLevel && $newLevel < $superLevel) {
            $user->user_level = $newLevel;
            $user->save();

            return $newLevel > $oldLevel;
        }

        return false;
    }

    /**
     * 解析配置的奖励范围，如 "1" 或 "1-5"
     */
    private function parseRewardValue(string $raw): int
    {
        $raw = trim($raw);
        if (str_contains($raw, '-')) {
            [$min, $max] = explode('-', $raw, 2);

            return rand((int) $min, (int) $max);
        }

        return (int) $raw;
    }

    /**
     * 往所有活跃房间发送系统广播消息
     */
    private function broadcastSystemMessage(string $fromUser, string $content, string $color, string $action = ''): void
    {
        $activeRoomIds = $this->chatState->getAllActiveRoomIds();
        if (empty($activeRoomIds)) {
            $activeRoomIds = [1];
        }

        foreach ($activeRoomIds as $roomId) {
            $sysMsg = [
                'id' => $this->chatState->nextMessageId($roomId),
                'room_id' => $roomId,
                'from_user' => $fromUser,
                'to_user' => '大家',
                'content' => $content,
                'is_secret' => false,
                'font_color' => $color,
                'action' => $action,
                'sent_at' => now()->toDateTimeString(),
            ];

            $this->chatState->pushMessage($roomId, $sysMsg);
            broadcast(new MessageSent($roomId, $sysMsg));
            SaveMessageJob::dispatch($sysMsg);
        }
    }
}