@extends('layouts.app')

@section('content')
    @php
        $regionList = $regions ?? \App\Models\News::REGIONS;
        $activeRegionKey = (! empty($activeRegion ?? null) && array_key_exists($activeRegion, $regionList))
            ? $activeRegion
            : null;

        if ($activeRegionKey === null && request()->filled('region')) {
            $requestedRegion = strtolower((string) request('region'));
            $activeRegionKey = array_key_exists($requestedRegion, $regionList)
                ? $requestedRegion
                : null;
        }

        $isRegionView = $activeRegionKey !== null && $activeRegionKey !== 'all';
        $articlesCollection = $articles instanceof \Illuminate\Support\Collection ? $articles : collect($articles);
        $articlesCollection = $articlesCollection->map(function ($article) {
            $article->region = $article->normalized_region ?? 'all';

            if (($article->normalized_secondary_category ?? null) === null
                && (($article->getAttributes()['region'] ?? null) === 'velemeny')
            ) {
                $article->secondary_category = 'velemeny';
            }

            return $article;
        });
        $groupedArticles = $articlesCollection->groupBy(fn ($article) => $article->region ?? 'all');

        $mapArticle = function ($article) use ($regionList) {
            $imagePath = trim($article->display_image_path ?? '');
            $imageUrl = $imagePath !== ''
                ? (\Illuminate\Support\Str::startsWith($imagePath, ['http://', 'https://', '//']) ? $imagePath : asset($imagePath))
                : null;
            $date = $article->published_at ?: $article->created_at;
            $secondaryCategory = $article->normalized_secondary_category ?? null;
            $secondaryCategoryLabel = $article->secondary_category_label
                ?? (\App\Models\News::secondaryCategoryLabels()[$secondaryCategory] ?? null);
            $regionKey = $article->normalized_region ?? 'all';
            $regionLabel = $regionList[$regionKey] ?? ucfirst($regionKey);
            $taxonomyLabel = $secondaryCategoryLabel !== null
                ? $regionLabel.' · '.$secondaryCategoryLabel
                : $regionLabel;

            return [
                'id' => $article->id,
                'title' => $article->title,
                'slug' => $article->slug,
                'link' => route('news.show', $article->slug),
                'excerpt' => $article->excerpt ?: \Illuminate\Support\Str::limit(strip_tags($article->display_body), 160),
                'region' => $regionKey,
                'regionLabel' => $regionLabel,
                'secondaryCategory' => $secondaryCategory,
                'secondaryCategoryLabel' => $secondaryCategoryLabel,
                'taxonomyLabel' => $taxonomyLabel,
                'date' => optional($date)->format('F j, Y'),
                'timestamp' => optional($date)->timestamp ?? 0,
                'image' => $imageUrl,
            ];
        };

        $preparedContent = [];
        foreach ($regionList as $regionKey => $regionLabel) {
            $regionArticles = $regionKey === 'all'
                ? $articlesCollection
                : ($groupedArticles[$regionKey] ?? collect());

            if (! $isRegionView && $regionKey !== 'all') {
                $regionArticles = $regionArticles->merge($groupedArticles['all'] ?? collect());
            }

            if ($isRegionView && $regionKey !== 'all' && $regionArticles->isEmpty() && isset($groupedArticles['all'])) {
                $regionArticles = $groupedArticles['all'];
            }

            $sortedArticles = $regionArticles->sortByDesc(function ($article) {
                $date = $article->published_at ?: $article->created_at;
                return $date ? $date->timestamp : 0;
            });

            $mappedStories = $sortedArticles->map($mapArticle)->values();
            $bracketStories = $mappedStories
                ->filter(fn ($story) => ($story['region'] ?? null) !== 'all')
                ->take(5)
                ->values();

            $preparedContent[$regionKey] = [
                'heroStory' => $mappedStories->first(),
                'secondaryStories' => $mappedStories->slice(1, 4)->values()->all(),
                'articles' => $mappedStories->slice(1)->values()->all(),
                'bracket' => [
                    'region' => $regionKey,
                    'regionLabel' => $regionLabel,
                    'items' => $bracketStories->all(),
                ],
            ];
        }

        $regionalTaxonomyBrackets = [];
        $activeRegionLabel = $activeRegionKey ? ($regionList[$activeRegionKey] ?? ucfirst($activeRegionKey)) : null;

        if ($isRegionView) {
            $regionOnlyArticles = $groupedArticles[$activeRegionKey] ?? collect();

            if ($regionOnlyArticles->isEmpty() && isset($groupedArticles['all'])) {
                $regionOnlyArticles = $groupedArticles['all'];
            }

            $secondaryCategories = \App\Models\News::secondaryCategoryLabels();

            foreach ($secondaryCategories as $categoryKey => $categoryLabel) {
                $categoryArticles = $regionOnlyArticles
                    ->filter(fn ($article) => ($article->secondary_category ?? null) === $categoryKey)
                    ->sortByDesc(function ($article) {
                        $date = $article->published_at ?: $article->created_at;
                        return $date ? $date->timestamp : 0;
                    });

                $regionalTaxonomyBrackets[] = [
                    'key' => $categoryKey,
                    'label' => $categoryLabel,
                    'items' => $categoryArticles->map($mapArticle)->take(5)->values()->all(),
                ];
            }
        }

        $weatherFallbackMessage = $weatherFallbackMessage ?? null;
        $rawWeatherData = is_array($weatherData ?? null) ? $weatherData : [];
        $normalisedWeatherData = [];

        foreach ($rawWeatherData as $slug => $forecast) {
            if (! is_array($forecast)) {
                continue;
            }

            $details = [];

            if (isset($forecast['details']) && is_array($forecast['details'])) {
                foreach ($forecast['details'] as $detail) {
                    if (! is_array($detail)) {
                        continue;
                    }

                    $label = $detail['label'] ?? null;
                    $value = $detail['value'] ?? null;

                    if ($label !== null && $value !== null) {
                        $details[] = trim($label . ': ' . $value);
                        continue;
                    }

                    if ($value !== null) {
                        $details[] = $value;
                        continue;
                    }

                    if ($label !== null) {
                        $details[] = $label;
                    }
                }
            }

            $normalisedWeatherData[$slug] = [
                'slug' => $forecast['slug'] ?? $slug,
                'label' => $forecast['label'] ?? ($regionList[$slug] ?? ucfirst($slug)),
                'summary' => $forecast['summary'] ?? null,
                'temperature' => [
                    'current' => $forecast['temperature']['current'] ?? null,
                    'high' => $forecast['temperature']['high'] ?? null,
                    'low' => $forecast['temperature']['low'] ?? null,
                ],
                'details' => $details,
                'observed_at' => $forecast['observed_at'] ?? null,
            ];
        }

        $defaultWeatherRegion = array_key_first($normalisedWeatherData);
        $weatherFallback = [
            'label' => 'Weather data unavailable',
            'summary' => $weatherFallbackMessage
                ?? 'Weather information is currently unavailable. Please check back later.',
            'temperature' => [
                'current' => null,
                'high' => null,
                'low' => null,
            ],
            'details' => [],
            'observed_at' => null,
        ];
        $standingsPayload = $nb1Standings ?? ['entries' => ['all' => []], 'preferredRegion' => 'all'];
        $standingsEntries = $standingsPayload['entries'] ?? [];

        if (! is_array($standingsEntries)) {
            $standingsEntries = ['all' => []];
        } elseif (! \Illuminate\Support\Arr::isAssoc($standingsEntries)) {
            $standingsEntries = ['all' => $standingsEntries];
        }

        $standingsPayload['entries'] = $standingsEntries;

        $standingsMetaByRegion = is_array($standingsPayload['meta'] ?? null)
            ? $standingsPayload['meta']
            : [];

        $preferredStandingsRegion = $standingsPayload['preferredRegion'] ?? 'all';
        $preferredStandingsRegion = array_key_exists($preferredStandingsRegion, $standingsEntries)
            ? $preferredStandingsRegion
            : (array_key_exists('all', $standingsEntries)
                ? 'all'
                : array_key_first($standingsEntries));

        $initialStandings = $standingsPayload['initialStandings'] ?? [];
        $initialStandingsMeta = $standingsPayload['initialMeta'] ?? [];

        $sportsData = is_array($initialStandings) && $initialStandings !== []
            ? $initialStandings
            : ($standingsEntries[$preferredStandingsRegion] ?? []);
        $sportsData = is_array($sportsData) ? $sportsData : [];

        $standingsMetaRaw = is_array($initialStandingsMeta) && $initialStandingsMeta !== []
            ? $initialStandingsMeta
            : ($standingsMetaByRegion[$preferredStandingsRegion] ?? []);

        $standingsMeta = [
            'isStale' => $standingsMetaRaw['isStale'] ?? empty($sportsData),
            'lastUpdated' => $standingsMetaRaw['lastUpdated'] ?? null,
        ];

        $standingsPayload['preferredRegion'] = $preferredStandingsRegion;
        $standingsPayload['meta'] = $standingsMetaByRegion;

        $standingsCaption = null;
        $standingsMetaMessage = null;

        if (! empty($standingsMeta['lastUpdated'])) {
            try {
                $standingsCaption = 'Last updated '
                    . \Illuminate\Support\Carbon::parse($standingsMeta['lastUpdated'])
                        ->timezone(config('app.timezone'))
                        ->format('M j, Y H:i');
            } catch (\Throwable $exception) {
                $standingsCaption = 'Last updated ' . $standingsMeta['lastUpdated'];
            }
        }

        if (! empty($standingsMeta['isStale'])) {
            $standingsMetaMessage = 'Data may be delayed.';
        }

        $standingsEmptyMessage = $standingsMeta['isStale']
            ? 'Standings unavailable right now. Try refreshing the page shortly.'
            : 'No standings data available yet.';
    @endphp

    @php
        $defaultRegionKey = $isRegionView && $activeRegionKey !== null
            ? $activeRegionKey
            : (array_key_exists('all', $preparedContent)
                ? 'all'
                : array_key_first($preparedContent));
        $defaultRegionContent = $defaultRegionKey !== null
            ? ($preparedContent[$defaultRegionKey] ?? [])
            : [];
        $defaultHero = $defaultRegionContent['heroStory'] ?? null;
        $defaultSecondary = $defaultRegionContent['secondaryStories'] ?? [];
        $newsPageState = [
            'regions' => $preparedContent,
            'regionLabels' => $regionList,
            'activeRegion' => $defaultRegionKey,
            'weather' => [
                'regions' => $normalisedWeatherData,
                'default' => $defaultWeatherRegion,
                'fallback' => $weatherFallback,
            ],
            'standings' => $standingsPayload,
        ];
    @endphp

    <div class="news-hub" data-news-app>


        <div class="news-layout">
            <section class="news-hero" aria-label="Top stories">
                    <article class="news-hero__lead{{ $defaultHero ? '' : ' news-hero__lead--empty' }}" id="heroLead">
                        <a
                            id="heroLeadLink"
                            class="news-hero__lead-link{{ $defaultHero ? '' : ' news-hero__lead-link--disabled' }}"
                            href="{{ $defaultHero['link'] ?? '#' }}"
                            @if(! $defaultHero) aria-disabled="true" tabindex="-1" @endif
                        >
                            <div
                                class="news-hero__media{{ $defaultHero && ! empty($defaultHero['image']) ? '' : ' news-hero__media--empty' }}"
                                id="heroLeadMedia"
                                @if($defaultHero && ! empty($defaultHero['image']))
                                    style="background-image: url('{{ e($defaultHero['image']) }}');"
                                @endif
                            ></div>
                            <div class="news-hero__content">
                                <span class="news-hero__meta" id="heroLeadRegion">
                                    {{ $defaultHero['taxonomyLabel'] ?? $defaultHero['regionLabel'] ?? 'Top story coming soon' }}
                                </span>
                                <h2 class="news-hero__title" id="heroLeadTitle">
                                    {{ $defaultHero['title'] ?? 'No lead story yet' }}
                                </h2>
                                <p class="news-hero__excerpt" id="heroLeadExcerpt" @if($defaultHero && empty($defaultHero['excerpt'])) hidden @endif>
                                    {{ $defaultHero['excerpt'] ?? 'We are gathering the biggest stories for this region.' }}
                                </p>
                                <span class="news-hero__date" id="heroLeadDate" @if(empty($defaultHero['date'])) hidden @endif>{{ $defaultHero['date'] ?? '' }}</span>
                            </div>
                        </a>
                    </article>
                    <div class="news-hero__grid" id="heroSecondaryList">
                        @forelse($defaultSecondary as $story)
                            <article class="news-hero__item">
                                <a href="{{ $story['link'] }}" class="news-hero__item-link">
                                    <div
                                        class="news-hero__item-media{{ ! empty($story['image']) ? '' : ' news-hero__item-media--empty' }}"
                                        @if(! empty($story['image']))
                                            style="background-image: url('{{ e($story['image']) }}');"
                                        @endif
                                    ></div>
                                    <div class="news-hero__item-content">
                                        <span class="news-hero__item-region">
                                            {{ $story['taxonomyLabel'] ?? ($story['regionLabel'] ?? ($regionList[$story['region']] ?? 'All Regions')) }}
                                        </span>
                                        <h3 class="news-hero__item-title">{{ $story['title'] }}</h3>
                                        @if(! empty($story['date']))
                                            <span class="news-hero__item-date">{{ $story['date'] }}</span>
                                        @endif
                                    </div>
                                </a>
                            </article>
                        @empty
                            <article class="news-hero__item news-hero__item--empty">
                                <p>Additional headlines will appear here when they are available.</p>
                            </article>
                        @endforelse
                    </div>
            </section>

            @if($isRegionView)
                <section class="news-brackets news-brackets--taxonomy" aria-label="Category highlights for {{ $activeRegionLabel }}">
                    <h2 class="news-brackets__title">News from {{ $activeRegionLabel }}</h2>
                    <div class="news-brackets__list">
                        @foreach($regionalTaxonomyBrackets as $taxonomyBracket)
                            @php
                                $bracketItems = collect($taxonomyBracket['items'] ?? [])->take(5);
                                $bracketImage = $bracketItems->first()['image'] ?? null;
                            @endphp
                            <article class="news-bracket news-bracket--taxonomy">
                                <div class="news-bracket__header">
                                    <h3 class="news-bracket__region">{{ $taxonomyBracket['label'] }}</h3>
                                    <p class="news-bracket__caption">Friss hírek ebből a kategóriából</p>
                                </div>
                                <div class="news-bracket__body">
                                    <ol class="news-bracket__items">
                                        @forelse($bracketItems as $story)
                                            <li class="news-bracket__item">
                                                <a href="{{ $story['link'] ?? '#' }}">
                                                    {{ $story['title'] ?? ($story['slug'] ?? 'Read story') }}
                                                </a>
                                            </li>
                                        @empty
                                            <li class="news-bracket__item news-bracket__item--empty">
                                                Nincs még hír ebben a kategóriában.
                                            </li>
                                        @endforelse
                                    </ol>
                                    <div
                                        class="news-bracket__thumb{{ $bracketImage ? '' : ' news-bracket__thumb--empty' }}"
                                        @if($bracketImage)
                                            style="background-image: url('{{ e($bracketImage) }}');"
                                        @endif
                                    ></div>
                                </div>
                            </article>
                        @endforeach
                    </div>
                </section>
            @endif

            @unless($isRegionView)
                <section class="news-brackets" aria-label="Regional highlights">
                    <h2 class="news-brackets__title">Regional brackets</h2>
                    <div class="news-brackets__list" id="regionBrackets">
                        @foreach($preparedContent as $regionKey => $regionData)
                            @php
                                $bracketItems = collect($regionData['bracket']['items'] ?? [])->take(5);
                                $regionLabel = $regionList[$regionKey] ?? ucfirst($regionKey);
                            @endphp

                            <article class="news-bracket">
                                <div class="news-bracket__header">
                                    <h3 class="news-bracket__region">{{ $regionLabel }}</h3>
                                </div>
                                <div class="news-bracket__body">
                                    <ol class="news-bracket__items">
                                        @forelse($bracketItems as $story)
                                            <li class="news-bracket__item">
                                                <a href="{{ $story['link'] ?? '#' }}">
                                                    {{ $story['title'] ?? ($story['slug'] ?? 'Read story') }}
                                                </a>
                                            </li>
                                        @empty
                                            <li class="news-bracket__item news-bracket__item--empty">
                                                No stories yet for this region.
                                            </li>
                                        @endforelse
                                    </ol>
                                    @php $bracketImage = $bracketItems->first()['image'] ?? null; @endphp
                                    <div
                                        class="news-bracket__thumb{{ $bracketImage ? '' : ' news-bracket__thumb--empty' }}"
                                        @if($bracketImage)
                                            style="background-image: url('{{ e($bracketImage) }}');"
                                        @endif
                                    ></div>
                                </div>
                            </article>
                        @endforeach
                    </div>
                </section>
            @endunless

            <aside class="sidebar" aria-label="Local updates">
                <section class="sidebar-card sidebar-card--standings" aria-live="polite" id="sportsCard">
                    <div class="sidebar-card__header">
                        <h3>League Standings</h3>
                    </div>
                    <p class="sidebar-subtitle" id="sportsRegionLabel">Latest table snapshot</p>
                    <p class="sidebar-caption" id="sportsStandingsMeta" @if(! $standingsMetaMessage) hidden @endif>{{ $standingsMetaMessage }}</p>
                    <x-sports-standings
                        :rows="$sportsData"
                        :caption="$standingsCaption"
                        :empty-message="$standingsEmptyMessage"
                    />
                </section>
            </aside>

            <section class="latest-news" aria-label="Latest updates">
                <h2 id="regionHeading">Latest from All Regions</h2>
                <div class="news-grid" id="regionNewsList"></div>
            </section>
        </div>

        <div class="empty-state" id="emptyState" hidden>
            <h2>No stories just yet</h2>
            <p>We are gathering the latest updates for you. Please select another region or check back soon.</p>
        </div>
    </div>

    <script type="application/json" id="newsPageState">
        {!! json_encode($newsPageState, JSON_PRETTY_PRINT | JSON_HEX_TAG | JSON_HEX_APOS | JSON_HEX_AMP | JSON_HEX_QUOT) !!}
    </script>

@endsection