{{--
    文件功能：星光留言板页面（含公共留言、收件箱、发件箱三个分类）
    支持公开留言和悄悄话私信功能

    @extends layouts.app
--}}
@extends('layouts.app')

@section('title', '星光留言板 - 飘落流星')

@section('nav-icon', '✉️')
@section('nav-title', '星光留言板')

@section('nav-left')
    <a href="{{ route('rooms.index') }}" class="text-indigo-200 hover:text-white transition flex items-center group">
        <svg class="w-5 h-5 mr-1 transform group-hover:-translate-x-1 transition" fill="none" stroke="currentColor"
            viewBox="0 0 24 24">
            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10 19l-7-7m0 0l7-7m-7 7h18"></path>
        </svg>
        返回大厅
    </a>
@endsection

@section('nav-right')
    <button id="write-toggle-btn"
        @click="showWriteForm = !showWriteForm; if(showWriteForm) setTimeout(() => $refs.textBody.focus(), 100)"
        class="bg-indigo-500 hover:bg-indigo-400 text-white px-4 py-2 rounded-lg font-bold shadow-sm transition flex items-center">
        <svg class="w-4 h-4 mr-1" fill="none" stroke="currentColor" viewBox="0 0 24 24">
            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z">
            </path>
        </svg>
        <span x-text="showWriteForm ? '取消留言' : '发布留言 / 写信'"></span>
    </button>
@endsection

@section('body-class', 'flex flex-col h-screen overflow-hidden')
@section('body-data', "x-data=\"{ showWriteForm: false, towho: '{{ $defaultTo }}' }\"")

@section('content')
    {{-- 验证错误信息 --}}
    @if (isset($errors) && $errors->any())
        <div class="bg-red-100 border-l-4 border-red-500 text-red-700 p-4 mb-4 mx-4 mt-4 shadow-sm">
            <ul class="list-disc pl-5">
                @foreach ($errors->all() as $error)
                    <li>{{ $error }}</li>
                @endforeach
            </ul>
        </div>
    @endif

    {{-- 写信/留言表单区 (Alpine 控制显隐) --}}
    <div x-show="showWriteForm" x-collapse class="bg-white border-b border-gray-200 shadow-inner">
        <div class="max-w-4xl mx-auto p-6">
            <form action="{{ route('guestbook.store') }}" method="POST" class="space-y-4">
                @csrf
                <div class="flex items-center space-x-4">
                    <div class="flex-1">
                        <label class="block text-sm font-medium text-gray-700 mb-1">接收人 (留空或填"大家"表示公共留言)</label>
                        <input type="text" name="towho" x-model="towho" placeholder="系统自动处理"
                            class="w-full border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm">
                    </div>
                    <div class="flex items-center h-full pt-6">
                        <label
                            class="flex items-center space-x-2 text-sm text-gray-700 cursor-pointer bg-pink-50 px-3 py-2 rounded-md hover:bg-pink-100 transition border border-pink-100">
                            <input type="checkbox" name="secret" value="1"
                                class="rounded text-pink-500 focus:ring-pink-500 w-4 h-4">
                            <span class="font-bold text-pink-700">🔒 悄悄话 (仅双方可见)</span>
                        </label>
                    </div>
                </div>

                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-1">正文内容 <span
                            class="text-red-500">*</span></label>
                    <textarea name="text_body" x-ref="textBody" rows="3" required
                        class="w-full border-gray-300 rounded-md shadow-sm focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm"
                        placeholder="相逢何必曾相识，留下您的足迹吧..."></textarea>
                </div>

                <div class="flex justify-end">
                    <button type="submit"
                        class="bg-indigo-600 hover:bg-indigo-700 text-white py-2 px-6 rounded-md shadow flex items-center font-bold">
                        <svg class="w-4 h-4 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                                d="M12 19l9 2-9-18-9 18 9-2zm0 0v-8"></path>
                        </svg>
                        发送
                    </button>
                </div>
            </form>
        </div>
    </div>

    {{-- 主体内容区 --}}
    <div class="flex-1 flex overflow-hidden">

        {{-- 左侧：分类导航 --}}
        <div class="w-64 bg-white border-r border-gray-200 shrink-0 hidden md:block">
            <div class="p-6">
                <nav class="space-y-2">
                    <a href="{{ route('guestbook.index', ['tab' => 'public']) }}"
                        class="flex items-center px-4 py-3 rounded-lg font-medium transition-colors {{ $tab === 'public' ? 'bg-indigo-50 text-indigo-700' : 'text-gray-600 hover:bg-gray-50' }}">
                        <span class="mr-3 text-lg">🌍</span> 公共留言墙
                    </a>
                    <a href="{{ route('guestbook.index', ['tab' => 'inbox']) }}"
                        class="flex items-center px-4 py-3 rounded-lg font-medium transition-colors {{ $tab === 'inbox' ? 'bg-indigo-50 text-indigo-700' : 'text-gray-600 hover:bg-gray-50' }}">
                        <span class="mr-3 text-lg">📥</span> 我收件的
                    </a>
                    <a href="{{ route('guestbook.index', ['tab' => 'outbox']) }}"
                        class="flex items-center px-4 py-3 rounded-lg font-medium transition-colors {{ $tab === 'outbox' ? 'bg-indigo-50 text-indigo-700' : 'text-gray-600 hover:bg-gray-50' }}">
                        <span class="mr-3 text-lg">📤</span> 我发出的
                    </a>
                </nav>
            </div>
        </div>

        {{-- 右侧：留言流列表 --}}
        <main class="flex-1 overflow-y-auto p-4 sm:p-6 lg:p-8 bg-gray-50">
            <div class="max-w-4xl mx-auto space-y-4">

                @forelse($messages as $msg)
                    @php
                        $isSecret = $msg->secret == 1;
                        $isToMe = Auth::check() && $msg->towho === Auth::user()->username;
                        $isFromMe = Auth::check() && $msg->who === Auth::user()->username;
                    @endphp

                    <div
                        class="bg-white rounded-xl shadow-sm border {{ $isSecret ? 'border-pink-200' : 'border-gray-200' }} p-5 relative group overflow-hidden">

                        @if ($isSecret)
                            <div
                                class="absolute top-0 right-0 bg-pink-100 text-pink-700 text-[10px] font-bold px-2 py-1 rounded-bl-lg">
                                🔒 私密信件
                            </div>
                        @endif

                        <div class="flex justify-between items-start mb-2">
                            <div class="flex items-center text-sm">
                                <span class="font-bold text-indigo-700">{{ $msg->who }}</span>
                                <span class="text-gray-400 mx-2">给</span>
                                <span
                                    class="font-bold {{ $msg->towho ? 'text-indigo-700' : 'text-gray-500' }}">{{ $msg->towho ?: '大家' }}</span>
                                <span class="text-gray-400 mx-2">留言：</span>
                            </div>
                            <div class="text-xs text-gray-400 flex items-center space-x-3">
                                <span>{{ \Carbon\Carbon::parse($msg->post_time)->diffForHumans() }}</span>

                                @if ($isFromMe || $isToMe || (Auth::check() && Auth::user()->user_level >= 15))
                                    <form action="{{ route('guestbook.destroy', $msg->id) }}" method="POST"
                                        onsubmit="return confirm('确定要抹除这条留言吗？');" class="inline">
                                        @csrf
                                        @method('DELETE')
                                        <button type="submit"
                                            class="text-red-400 hover:text-red-600 transition opacity-0 group-hover:opacity-100 bg-red-50 px-2 py-1 rounded">
                                            删除
                                        </button>
                                    </form>
                                @endif
                            </div>
                        </div>

                        <div
                            class="text-gray-800 leading-relaxed text-sm whitespace-pre-wrap {{ $isSecret ? 'bg-pink-50 p-3 rounded-lg border border-pink-100' : 'bg-gray-50 p-3 rounded-lg border border-gray-100' }}">
                            {!! nl2br(e($msg->text_body)) !!}
                        </div>

                        @if (!Auth::check() || $msg->who !== Auth::user()->username)
                            <div class="mt-3 flex justify-end">
                                <button
                                    @click="showWriteForm = true; towho = '{{ $msg->who }}'; setTimeout(() => $refs.textBody.focus(), 100); window.scrollTo({top:0, behavior:'smooth'})"
                                    class="text-xs text-indigo-500 hover:text-indigo-700 font-medium flex items-center transition">
                                    <svg class="w-3 h-3 mr-1" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                                            d="M3 10h10a8 8 0 018 8v2M3 10l6 6m-6-6l6-6"></path>
                                    </svg>
                                    回复TA
                                </button>
                            </div>
                        @endif
                    </div>
                @empty
                    <div class="bg-white rounded-xl shadow-sm border border-gray-200 p-12 text-center">
                        <span class="text-4xl">📭</span>
                        <h3 class="mt-4 text-lg font-medium text-gray-900">暂无信件</h3>
                        <p class="mt-2 text-sm text-gray-500">这里是空空如也的荒原。</p>
                        <button @click="showWriteForm = true; towho = ''; setTimeout(() => $refs.textBody.focus(), 100)"
                            class="mt-4 text-indigo-600 font-bold hover:underline">
                            来抢沙发留言吧！
                        </button>
                    </div>
                @endforelse

                {{-- 分页 --}}
                <div class="mt-6">
                    {{ $messages->links() }}
                </div>

            </div>
        </main>
    </div>

    {{-- 移动端底部分类栏 --}}
    <div class="md:hidden bg-white border-t border-gray-200 flex justify-around p-2 shrink-0 relative z-20">
        <a href="{{ route('guestbook.index', ['tab' => 'public']) }}"
            class="flex flex-col items-center {{ $tab === 'public' ? 'text-indigo-600' : 'text-gray-500' }}">
            <span class="text-xl">🌍</span>
            <span class="text-xs mt-1">公共墙</span>
        </a>
        <a href="{{ route('guestbook.index', ['tab' => 'inbox']) }}"
            class="flex flex-col items-center {{ $tab === 'inbox' ? 'text-indigo-600' : 'text-gray-500' }}">
            <span class="text-xl">📥</span>
            <span class="text-xs mt-1">收件箱</span>
        </a>
        <a href="{{ route('guestbook.index', ['tab' => 'outbox']) }}"
            class="flex flex-col items-center {{ $tab === 'outbox' ? 'text-indigo-600' : 'text-gray-500' }}">
            <span class="text-xl">📤</span>
            <span class="text-xs mt-1">发件箱</span>
        </a>
    </div>
@endsection