@extends("layouts.app")

@section("title", __("Insights"))

@section("header")
<div class="flex justify-between items-center">
    <h2 class="font-semibold text-xl text-gray-800 leading-tight">
        {{ __("My Insights") }}
    </h2>
</div>
@endsection

@section("content")
<div class="py-6">
    <div class="max-w-7xl mx-auto sm:px-6 lg:px-8">
        @if(session("success"))
            <div class="bg-green-100 border border-green-400 text-green-700 px-4 py-3 rounded-lg mb-6">
                {{ session("success") }}
            </div>
        @endif

        @if(session("error"))
            <div class="bg-red-100 border border-red-400 text-red-700 px-4 py-3 rounded-lg mb-6">
                {{ session("error") }}
            </div>
        @endif

        <!-- Token Usage Summary -->
        <div class="bg-gradient-to-r from-indigo-500 to-purple-600 rounded-xl shadow-sm p-6 mb-6 text-white">
            <div class="grid grid-cols-1 md:grid-cols-3 gap-6">
                <div>
                    <p class="text-indigo-100 text-sm">{{ __("Total Input Tokens") }}</p>
                    <p class="text-2xl font-bold">{{ number_format($totalInputTokens) }}</p>
                </div>
                <div>
                    <p class="text-indigo-100 text-sm">{{ __("Total Output Tokens") }}</p>
                    <p class="text-2xl font-bold">{{ number_format($totalOutputTokens) }}</p>
                </div>
                <div>
                    <p class="text-indigo-100 text-sm">{{ __("Total Tokens Used") }}</p>
                    <p class="text-2xl font-bold">{{ number_format($totalTokens) }}</p>
                </div>
            </div>
        </div>

         <!-- Generate Message -->
        <div class="bg-white rounded-xl shadow-sm border border-gray-100 p-6 mb-6">
            <h3 class="text-lg font-semibold text-gray-900 mb-4">{{ __("Generate AI Message") }}</h3>
            <form action="{{ route("admin.insights.generate") }}" method="POST" class="space-y-4">
                @csrf
                <div class="grid grid-cols-1 md:grid-cols-3 gap-4">
                    <div>
                        <label for="subject_id" class="block text-sm font-medium text-gray-700 mb-2">{{ __("Subject") }}</label>
                        <select name="subject_id" id="subject_id" required
                                class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-indigo-500">
                            <option value="">{{ __("Select a subject...") }}</option>
                            @foreach($subjects as $subject)
                                <option value="{{ $subject->id }}" {{ $subjectId == $subject->id ? 'selected' : '' }}>
                                    {{ $subject->name }}
                                </option>
                            @endforeach
                        </select>
                    </div>
                    <div>
                        <label for="message_type" class="block text-sm font-medium text-gray-700 mb-2">{{ __("Message Type") }}</label>
                        <select name="message_type" id="message_type"
                                class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-indigo-500">
                            @foreach(\App\Enums\MessageType::cases() as $case)
                                @if(in_array($case->value, ['insight', 'language_lesson', 'game_simulator', 'technical_teaching']))
                                    <option value="{{ $case->value }}">{{ $case->label() }}</option>
                                @endif
                            @endforeach
                        </select>
                    </div>
                <div>
                    <label for="custom_prompt" class="block text-sm font-medium text-gray-700 mb-2">{{ __("Custom Prompt (optional)") }}</label>
                    <input type="text" name="custom_prompt" id="custom_prompt"
                           class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-indigo-500"
                           placeholder="{{ __("e.g., Give me a practical tip about...") }}">
                </div>
                <div class="md:col-span-3">
                    <label class="block text-sm font-medium text-gray-700 mb-2">{{ __("Response Language") }}</label>
                    <div class="flex flex-wrap items-center gap-4">
                        <label class="inline-flex items-center gap-2 cursor-pointer">
                            <input type="radio" name="language" value="pt_BR" {{ app()->getLocale() === 'pt_BR' ? 'checked' : '' }}
                                   class="h-4 w-4 text-indigo-600 border-gray-300 focus:ring-indigo-500">
                            <span class="text-sm text-gray-700">Português (Brasil)</span>
                        </label>
                        <label class="inline-flex items-center gap-2 cursor-pointer">
                            <input type="radio" name="language" value="en" {{ app()->getLocale() === 'en' ? 'checked' : '' }}
                                   class="h-4 w-4 text-indigo-600 border-gray-300 focus:ring-indigo-500">
                            <span class="text-sm text-gray-700">English</span>
                        </label>
                        <label class="inline-flex items-center gap-2 cursor-pointer">
                            <input type="radio" name="language" value="es" {{ app()->getLocale() === 'es' ? 'checked' : '' }}
                                   class="h-4 w-4 text-indigo-600 border-gray-300 focus:ring-indigo-500">
                            <span class="text-sm text-gray-700">Español</span>
                        </label>
                    </div>
                </div>
                </div>
                <div class="flex justify-end">
                    <button type="submit" class="inline-flex items-center px-4 py-2 bg-indigo-600 text-white text-sm font-medium rounded-lg hover:bg-indigo-700 transition">
                        <svg class="w-4 h-4 mr-1.5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 10V3L4 14h7v7l9-11h-7z"/>
                        </svg>
                        {{ __("Generate Message") }}
                    </button>
                </div>
            </form>
        </div>

        <!-- Filter -->
        <div class="bg-white rounded-xl shadow-sm border border-gray-100 p-6 mb-6">
            <div class="flex items-center gap-4">
                <label class="text-sm font-medium text-gray-700">{{ __("Filter by Subject") }}</label>
                <select onchange="window.location.href = '{{ route("admin.insights.index") }}?subject_id=' + this.value"
                        class="px-3 py-2 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-indigo-500 text-sm">
                    <option value="">{{ __("All Subjects") }}</option>
                    @foreach($subjects as $subject)
                        <option value="{{ $subject->id }}" {{ $subjectId == $subject->id ? 'selected' : '' }}>
                            {{ $subject->name }}
                        </option>
                    @endforeach
                </select>
            </div>
        </div>

        <!-- Insights List -->
        <div class="bg-white rounded-xl shadow-sm border border-gray-100 p-6">
            <h3 class="text-lg font-semibold text-gray-900 mb-4">{{ __("Messages History") }}</h3>

            @forelse($insights as $insight)
                <div class="border-b border-gray-100 pb-4 mb-4 last:border-0 last:mb-0 last:pb-0">
                    <div class="flex justify-between items-start">
                        <div class="flex-1 min-w-0">
                            <div class="flex items-center gap-2 mb-2">
                                <span class="text-xs font-medium text-indigo-600 bg-indigo-50 px-2 py-0.5 rounded-full">
                                    {{ $insight->subject->name }}
                                </span>
                                <span class="text-xs bg-gray-100 text-gray-600 px-2 py-0.5 rounded-full">
                                    {{ $insight->type->label() }}
                                </span>
                                    @if($insight->input_tokens > 0 || $insight->output_tokens > 0)
                                        <span class="text-xs text-gray-400">
                                            🔤 {{ number_format($insight->input_tokens + $insight->output_tokens) }} tokens
                                        </span>
                                    @endif
                            </div>
                            <div class="text-sm text-gray-900 prose prose-sm max-w-none">
                                {!! \App\Services\MarkdownService::parse($insight->content) !!}
                            </div>
                            <p class="text-xs text-gray-400 mt-1">{{ $insight->created_at->format('d/m/Y H:i') }}</p>
                        </div>
                        <div class="flex items-center gap-2 ml-4">
                            <form action="{{ route("admin.insights.translate", $insight) }}" method="POST" class="flex items-center gap-1">
                                @csrf
                                <select name="target_language" class="text-xs border border-gray-300 rounded-lg px-2 py-1 focus:outline-none focus:ring-2 focus:ring-indigo-500">
                                    <option value="pt_BR" {{ app()->getLocale() === 'pt_BR' ? 'selected' : '' }}>PT</option>
                                    <option value="en" {{ app()->getLocale() === 'en' ? 'selected' : '' }}>EN</option>
                                    <option value="es" {{ app()->getLocale() === 'es' ? 'selected' : '' }}>ES</option>
                                </select>
                                <button type="submit" class="text-xs text-indigo-500 hover:text-indigo-700 font-medium" title="{{ __('Translate') }}">
                                    {{ __('Translate') }}
                                </button>
                            </form>
                            <form action="{{ route("admin.insights.destroy", $insight) }}" method="POST"
                                  onsubmit="return confirm('{{ __("Delete this insight?") }}')">
                                @csrf
                                @method("DELETE")
                                <button type="submit" class="text-xs text-red-500 hover:text-red-700">
                                    {{ __("Delete") }}
                                </button>
                            </form>
                        </div>
                    </div>
                </div>
            @empty
                <div class="text-center py-8">
                    <svg class="w-12 h-12 text-gray-300 mx-auto mb-3" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9.663 17h4.673M12 3v1m6.364 1.636l-.707.707M21 12h-1M4 12H3m3.343-5.657l-.707-.707m2.828 9.9a5 5 0 117.072 0l-.548.547A3.374 3.374 0 0014 18.469V19a2 2 0 11-4 0v-.531c0-.895-.356-1.754-.988-2.386l-.548-.547z"/>
                    </svg>
                    <p class="text-gray-500">{{ __("No messages yet. Generate your first message above!") }}</p>
                </div>
            @endforelse

            @if(method_exists($insights, 'links'))
                <div class="mt-6">
                    {{ $insights->links() }}
                </div>
            @endif
        </div>
    </div>
</div>
@endsection

@push('scripts')
<script>
(function() {
    if (!('speechSynthesis' in window)) {
        return;
    }

    var englishVoice = null;

    function loadVoices() {
        var voices = speechSynthesis.getVoices();
        englishVoice = voices.find(function(v) {
            return v.lang === 'en-US' || v.lang === 'en_GB' || v.lang.startsWith('en-');
        }) || null;
    }

    loadVoices();
    if (speechSynthesis.onvoiceschanged !== undefined) {
        speechSynthesis.onvoiceschanged = loadVoices;
    }

    function attachAudioButtons() {
        document.querySelectorAll('.tts[data-text]:not([data-tts-attached="1"])').forEach(function(el) {
            el.dataset.ttsAttached = '1';

            var btn = document.createElement('button');
            btn.type = 'button';
            btn.innerHTML = '&#127908;';
            btn.title = @json(__('Listen'));
            btn.className = 'ml-1 inline-flex items-center justify-center w-6 h-6 rounded-full bg-indigo-50 text-indigo-600 hover:bg-indigo-100 text-xs';

            var isSpeaking = false;

            btn.addEventListener('click', function() {
                var text = el.getAttribute('data-text') || el.textContent || '';
                if (!text.trim()) {
                    return;
                }
                try {
                    if (!('speechSynthesis' in window)) {
                        copyFallback(text);
                        return;
                    }

                    var voices = speechSynthesis.getVoices();
                    if (!voices || !voices.length) {
                        copyFallback(text);
                        return;
                    }

                    speechSynthesis.cancel();
                    var utter = new SpeechSynthesisUtterance(text);
                    var locale = @json(app()->getLocale());
                    var langMap = {
                        'pt_BR': 'pt-BR',
                        'en': 'en-US',
                        'es': 'es-ES'
                    };
                    utter.lang = langMap[locale] || 'en-US';
                    utter.rate = 0.9;
                    if (englishVoice) {
                        utter.voice = englishVoice;
                    }
                    utter.onerror = function(e) {
                        console.error('Speech error:', e);
                        copyFallback(text);
                        isSpeaking = false;
                        btn.classList.remove('bg-green-50', 'text-green-600');
                        btn.classList.add('bg-indigo-50', 'text-indigo-600');
                    };
                    utter.onend = function() {
                        isSpeaking = false;
                        btn.classList.remove('bg-green-50', 'text-green-600');
                        btn.classList.add('bg-indigo-50', 'text-indigo-600');
                    };
                    speechSynthesis.speak(utter);
                    isSpeaking = true;
                    btn.classList.remove('bg-indigo-50', 'text-indigo-600');
                    btn.classList.add('bg-green-50', 'text-green-600');
                } catch (e) {
                    console.error('TTS error:', e);
                    copyFallback(text);
                }
            });

            function copyFallback(text) {
                if (!text.trim()) {
                    return;
                }
                    if (navigator && navigator.clipboard && navigator.clipboard.writeText) {
                        navigator.clipboard.writeText(text).then(function() {
                            alert(@json(__('No voices available. Text copied to listen elsewhere: ')) + text);
                        }).catch(function() {
                            prompt(@json(__('No voices available. Copy the text to listen:')), text);
                        });
                    } else {
                        prompt(@json(__('No voices available. Copy the text to listen:')), text);
                    }
            }

            el.insertAdjacentElement('afterend', btn);
        });
    }

    attachAudioButtons();

    if (window.MutationObserver) {
        var observer = new MutationObserver(function() {
            attachAudioButtons();
        });
        observer.observe(document.body, { childList: true, subtree: true });
    }
})();
</script>
@endpush