<?php

/**
 * 文件功能：用户中心与管理控制器
 * 接管原版 USERinfo.ASP, USERSET.ASP, chpasswd.asp, KILLUSER.ASP
 *
 * @author   ChatRoom Laravel
 *
 * @version  1.0.0
 */

namespace App\Http\Controllers;

use App\Events\UserKicked;
use App\Events\UserMuted;
use App\Http\Requests\ChangePasswordRequest;
use App\Http\Requests\UpdateProfileRequest;
use App\Models\Room;
use App\Models\User;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Hash;

class UserController extends Controller
{
    /**
     * 查看其他用户资料片 (对应 USERinfo.ASP)
     */
    public function show(string $username): JsonResponse
    {
        $user = User::where('username', $username)->firstOrFail();

        // 隐藏关键信息，只返回公开资料
        return response()->json([
            'username' => $user->username,
            'sex' => $user->sex,
            'headface' => $user->headface,
            'user_level' => $user->user_level,
            'sign' => $user->sign ?? '这个人很懒，什么都没留下。',
            'created_at' => $user->created_at->format('Y-m-d'),
        ]);
    }

    /**
     * 修改个人资料 (对应 USERSET.ASP)
     */
    public function updateProfile(UpdateProfileRequest $request): JsonResponse
    {
        $user = Auth::user();
        $user->update($request->validated());

        return response()->json(['status' => 'success', 'message' => '资料更新成功。']);
    }

    /**
     * 修改密码 (对应 chpasswd.asp)
     */
    public function changePassword(ChangePasswordRequest $request): JsonResponse
    {
        $user = Auth::user();
        $oldPasswordInput = $request->input('old_password');

        // 双模式密码校验逻辑（沿用 AuthController 中策略）
        $isOldPasswordCorrect = false;

        // 优先验证 Bcrypt
        if (Hash::check($oldPasswordInput, $user->password)) {
            $isOldPasswordCorrect = true;
        }
        // 降级验证旧版 MD5
        elseif (md5($oldPasswordInput) === $user->password) {
            $isOldPasswordCorrect = true;
        }

        if (! $isOldPasswordCorrect) {
            return response()->json(['status' => 'error', 'message' => '当前密码输入不正确。'], 422);
        }

        // 验证通过，覆盖为新的 Bcrypt 加密串
        $user->password = Hash::make($request->input('new_password'));
        $user->save();

        return response()->json(['status' => 'success', 'message' => '密码已成功修改。下次请使用新密码登录。']);
    }

    /**
     * 管理员/房主操作：踢出房间 (对应 KILLUSER.ASP)
     */
    public function kick(Request $request, string $username): JsonResponse
    {
        $operator = Auth::user();
        $roomId = $request->input('room_id');

        if (! $roomId) {
            return response()->json(['status' => 'error', 'message' => '缺少房间参数。'], 422);
        }

        $room = Room::findOrFail($roomId);

        // 鉴权：操作者要是房间房主或者系统超管
        if ($room->master !== $operator->username && $operator->user_level < 15) {
            return response()->json(['status' => 'error', 'message' => '权限不足，无法执行踢出操作。'], 403);
        }

        $targetUser = User::where('username', $username)->first();
        if (! $targetUser) {
            return response()->json(['status' => 'error', 'message' => '目标用户不存在。'], 404);
        }

        // 防误伤高管
        if ($targetUser->user_level >= 15 && $operator->user_level < 15) {
            return response()->json(['status' => 'error', 'message' => '权限不足，无法踢出同级或高级管理人员。'], 403);
        }

        // 核心动作：向频道内所有人发送包含“某某踢出某某”的事件
        broadcast(new UserKicked($roomId, $targetUser->username, "管理员 [{$operator->username}] 将 [{$targetUser->username}] 踢出了聊天室。"));

        return response()->json(['status' => 'success', 'message' => "已成功将 {$targetUser->username} 踢出房间。"]);
    }

    /**
     * 管理员/具有道具者操作：禁言 (对应新加的限制功能)
     */
    public function mute(Request $request, string $username): JsonResponse
    {
        $operator = Auth::user();
        $roomId = $request->input('room_id');
        $duration = $request->input('duration', 5); // 默认封停分钟数

        if (! $roomId) {
            return response()->json(['status' => 'error', 'message' => '缺少房间参数。'], 422);
        }

        $room = Room::findOrFail($roomId);

        // 此处只做简单鉴权演示，和踢人一致
        if ($room->master !== $operator->username && $operator->user_level < 15) {
            return response()->json(['status' => 'error', 'message' => '权限不足，无法执行禁言操作。'], 403);
        }

        // 后续可以在 Redis 中写入一个 `mute:{$username}` 并附带 `TTL` 以在后台拦截

        // 立刻向房间发送 Muted 事件
        broadcast(new UserMuted($roomId, $username, $duration));

        return response()->json(['status' => 'success', 'message' => "已对 {$username} 实施封口 {$duration} 分钟。"]);
    }
}