@extends('layouts.site')

@section('page_class', 'page-news')
@section('title', 'AI 资讯文章 - AIWeb')
@section('meta_description', '追踪 AI 行业动态、模型发布与产品更新，快速获取高价值信息。')
@section('canonical', route('news.index'))

@section('content')
@php
    $icons = ['bi-newspaper', 'bi-lightning', 'bi-megaphone', 'bi-globe', 'bi-broadcast', 'bi-bookmark-star'];
    $resetCategoryFilters = array_filter([
        'q' => $filters['q'] ?? null,
    ], fn ($value) => $value !== null && $value !== '');
@endphp

<div class="channel-layout">
    <aside class="channel-sidebar" aria-label="资讯分类">
        <div class="channel-brand"><span class="channel-brand-mark">AI</span>AI资讯库</div>
        <nav class="channel-links">
            <a class="channel-link @if(empty($filters['category'])) active @endif" href="{{ route('news.index', $resetCategoryFilters) }}">
                <i class="bi bi-stars"></i>
                <span>全部资讯</span>
                <small>{{ $newsStats['total'] ?? 0 }}</small>
            </a>
            @foreach($categories as $index => $category)
                <a class="channel-link @if(($filters['category'] ?? '') === $category->slug) active @endif" href="{{ route('news.index', array_filter(array_merge($filters, ['category' => $category->slug]))) }}">
                    <i class="bi {{ $icons[$index % count($icons)] }}"></i>
                    <span>{{ $category->name }}</span>
                    <small>{{ $category->published_articles_count ?? 0 }}</small>
                </a>
            @endforeach
        </nav>
    </aside>

    <section class="channel-main">
        <header class="channel-head">
            <nav class="channel-tabs" aria-label="频道导航">
                <a class="channel-tab" href="{{ route('tools.index') }}">AI工具集</a>
                <a class="channel-tab" href="{{ route('models.index') }}">模型推荐</a>
                <a class="channel-tab active" href="{{ route('news.index') }}">资讯文章</a>
                <a class="channel-tab" href="{{ route('guides.index') }}">教程学习</a>
                <a class="channel-tab" href="{{ route('home') }}">首页</a>
            </nav>
            <div class="channel-status">资讯总量 <b>{{ $newsStats['total'] ?? 0 }}</b></div>
        </header>

        <nav class="channel-mobile-nav" aria-label="移动分类导航">
            <a class="channel-link @if(empty($filters['category'])) active @endif" href="{{ route('news.index', $resetCategoryFilters) }}">
                <i class="bi bi-stars"></i>
                <span>全部资讯</span>
                <small>{{ $newsStats['total'] ?? 0 }}</small>
            </a>
            @foreach($categories as $index => $category)
                <a class="channel-link @if(($filters['category'] ?? '') === $category->slug) active @endif" href="{{ route('news.index', array_filter(array_merge($filters, ['category' => $category->slug]))) }}">
                    <i class="bi {{ $icons[$index % count($icons)] }}"></i>
                    <span>{{ $category->name }}</span>
                    <small>{{ $category->published_articles_count ?? 0 }}</small>
                </a>
            @endforeach
        </nav>

        <section class="channel-hero">
            <span class="channel-chip">AIWEB.CN</span>
            <h1 class="channel-title">AI资讯文章</h1>
            <p class="channel-subtitle">聚合行业快讯与深度内容，帮助你快速判断趋势与机会窗口。</p>

            <form class="channel-search" method="get" action="{{ route('news.index') }}" role="search" aria-label="搜索 AI 资讯">
                <input type="search" name="q" value="{{ $filters['q'] ?? '' }}" placeholder="搜索资讯标题或关键词，如 开源 / 融资 / 发布" autocomplete="off" spellcheck="false">
                <select name="category" aria-label="按分类筛选">
                    <option value="">全部分类</option>
                    @foreach($categories as $category)
                        <option value="{{ $category->slug }}" @selected(($filters['category'] ?? '') === $category->slug)>{{ $category->name }}</option>
                    @endforeach
                </select>
                <input type="text" value="按发布时间排序" readonly aria-label="排序方式">
                <a class="btn btn-outline-secondary" href="{{ route('news.index') }}">重置</a>
                <button class="btn btn-primary" type="submit"><i class="bi bi-search"></i> 搜索</button>
            </form>

            <section class="channel-kpis" aria-label="资讯统计概览">
                <article class="channel-kpi"><span>资讯总量</span><b>{{ $newsStats['total'] ?? 0 }}</b></article>
                <article class="channel-kpi"><span>今日新增</span><b>{{ $newsStats['today'] ?? 0 }}</b></article>
                <article class="channel-kpi"><span>高可信来源</span><b>{{ $newsStats['high_source'] ?? 0 }}</b></article>
                <article class="channel-kpi"><span>7天更新</span><b>{{ $newsStats['updated_7d'] ?? 0 }}</b></article>
            </section>
        </section>

        <section class="channel-body">
            <section class="channel-panel">
                <header class="channel-panel-head">
                    <h2 class="channel-panel-title">资讯列表</h2>
                </header>

                @if($items->isNotEmpty())
                    <div class="channel-list">
                        @foreach($items as $article)
                            <article class="entity-card">
                                <a class="entity-title" href="{{ route('news.show', $article->slug) }}">{{ $article->title }}</a>
                                <div class="entity-meta">{{ $article->source_level?->label() ?? '来源未知' }} · {{ $article->published_at?->format('Y-m-d H:i') }}</div>
                                <p class="entity-desc line-clamp-2">{{ $article->excerpt }}</p>
                                <div class="d-flex align-items-center justify-content-between gap-2">
                                    @if($article->is_stale)
                                        <span class="chip">可能过期</span>
                                    @else
                                        <span class="chip">已验证</span>
                                    @endif
                                    <a class="btn btn-sm btn-outline-primary" href="{{ route('news.show', $article->slug) }}">阅读</a>
                                </div>
                            </article>
                        @endforeach
                    </div>

                    <div class="mt-3">{{ $items->links() }}</div>
                @else
                    <p class="text-muted-soft mb-0">暂无资讯数据</p>
                @endif
            </section>

            <aside class="channel-list">
                <section class="channel-panel">
                    <header class="channel-panel-head">
                        <h3 class="channel-panel-title">热门模型</h3>
                        <a class="tiny-link" href="{{ route('models.index') }}">查看全部</a>
                    </header>
                    @forelse($sidebarModels as $model)
                        <article class="side-list-item">
                            <a href="{{ route('models.show', $model->slug) }}">{{ $model->name }}</a>
                            <small>综合 {{ $model->total_score }} 分</small>
                        </article>
                    @empty
                        <p class="text-muted-soft small mb-0">暂无数据</p>
                    @endforelse
                </section>

                <section class="channel-panel">
                    <header class="channel-panel-head">
                        <h3 class="channel-panel-title">推荐教程</h3>
                        <a class="tiny-link" href="{{ route('guides.index') }}">查看全部</a>
                    </header>
                    @forelse($sidebarGuides as $guide)
                        <article class="side-list-item">
                            <a href="{{ route('guides.show', $guide->slug) }}">{{ $guide->title }}</a>
                            <small>{{ $guide->difficulty }}</small>
                        </article>
                    @empty
                        <p class="text-muted-soft small mb-0">暂无教程</p>
                    @endforelse
                </section>
            </aside>
        </section>
    </section>
</div>
@endsection