{% extends "base.html" %}
{% load i18n %}
{% load static %}

{% block title %}{% trans "Live TV" %}{% endblock %}

{% block content %}
<div
    x-data="{
        selectedChannel: null,
        playerVisible: false,
        iframeUrl: '',
        iframeTitle: '',
        syncing: false,
        syncMsg: '',
        syncError: false,
        activeCategory: '{{ selected_category }}',

        selectChannel(channel) {
            this.selectedChannel = channel.id;
            this.iframeUrl = channel.playUrl;
            this.iframeTitle = channel.name;
            this.playerVisible = true;
        },
        closePlayer() {
            this.playerVisible = false;
            this.iframeUrl = '';
            this.selectedChannel = null;
        },
        async triggerSync() {
            this.syncing = true;
            this.syncMsg = '';
            this.syncError = false;
            try {
                const resp = await fetch('{% url "livetv:sync" %}', {
                    method: 'POST',
                    headers: {
                        'X-CSRFToken': '{{ csrf_token }}',
                        'Content-Type': 'application/json',
                    },
                });
                const data = await resp.json();
                this.syncMsg = data.message || data.status;
                this.syncError = !resp.ok;
            } catch (e) {
                this.syncMsg = 'Error: ' + e.message;
                this.syncError = true;
            } finally {
                this.syncing = false;
            }
        }
    }"
    class="min-h-screen bg-gray-50"
>
    <!-- Header Bar -->
    <div class="bg-white shadow-sm border-b border-gray-200">
        <div class="max-w-7xl mx-auto px-4 py-4">
            <div class="flex items-center justify-between flex-wrap gap-3">
                <div class="flex items-center gap-3">
                    <svg class="w-7 h-7 text-blue-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                              d="M9.75 17L9 20l-1 1h8l-1-1-.75-3M3 13h18M5 17h14a2 2 0 002-2V5a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z"/>
                    </svg>
                    <h1 class="text-2xl font-bold text-gray-800">{% trans "Live TV" %}</h1>
                    <span class="text-sm text-gray-500">{{ total_count }} {% trans "channels" %}</span>
                </div>

                <div class="flex items-center gap-3 flex-wrap">
                    <!-- Last sync info -->
                    {% if last_sync %}
                    <span class="text-xs text-gray-400">
                        {% trans "Last sync:" %} {{ last_sync|date:"Y-m-d H:i" }}
                    </span>
                    {% endif %}

                    <!-- M3U download link -->
                    <a href="{% url 'livetv:m3u' %}"
                       class="inline-flex items-center gap-1.5 px-3 py-1.5 text-sm bg-green-50 text-green-700 border border-green-200 rounded-lg hover:bg-green-100 transition-colors">
                        <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                                  d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-4l-4 4m0 0l-4-4m4 4V4"/>
                        </svg>
                        playlist.m3u
                    </a>

                    <!-- Sync button -->
                    <button
                        @click="triggerSync()"
                        :disabled="syncing"
                        class="inline-flex items-center gap-1.5 px-3 py-1.5 text-sm bg-blue-600 text-white rounded-lg hover:bg-blue-700 disabled:opacity-60 disabled:cursor-not-allowed transition-colors"
                    >
                        <svg class="w-4 h-4" :class="{ 'animate-spin': syncing }" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                                  d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"/>
                        </svg>
                        <span x-text="syncing ? '{% trans "Syncing..." %}' : '{% trans "Sync Channels" %}'"></span>
                    </button>
                </div>
            </div>

            <!-- Sync message feedback -->
            <div x-show="syncMsg" x-cloak
                 :class="syncError ? 'bg-red-50 border-red-200 text-red-700' : 'bg-blue-50 border-blue-200 text-blue-700'"
                 class="mt-3 px-3 py-2 text-sm border rounded-lg">
                <span x-text="syncMsg"></span>
            </div>
        </div>
    </div>

    <div class="max-w-7xl mx-auto px-4 py-4">
        <!-- Category filter tabs -->
        <div class="flex gap-2 flex-wrap mb-5">
            <a href="{% url 'livetv:list' %}"
               class="px-3 py-1.5 rounded-full text-sm font-medium transition-colors {% if not selected_category %}bg-blue-600 text-white{% else %}bg-white text-gray-600 border border-gray-200 hover:bg-gray-50{% endif %}">
                {% trans "All" %} ({{ total_count }})
            </a>
            {% for cat in categories %}
            <a href="{% url 'livetv:list' %}?category={{ cat.category }}"
               class="px-3 py-1.5 rounded-full text-sm font-medium transition-colors {% if selected_category == cat.category %}bg-blue-600 text-white{% else %}bg-white text-gray-600 border border-gray-200 hover:bg-gray-50{% endif %}">
                {{ cat.category_name }} ({{ cat.count }})
            </a>
            {% endfor %}
        </div>

        {% if not total_count %}
        <!-- Empty state -->
        <div class="text-center py-20">
            <svg class="w-16 h-16 text-gray-300 mx-auto mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5"
                      d="M9.75 17L9 20l-1 1h8l-1-1-.75-3M3 13h18M5 17h14a2 2 0 002-2V5a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z"/>
            </svg>
            <h3 class="text-lg font-semibold text-gray-500 mb-2">{% trans "No channels yet" %}</h3>
            <p class="text-gray-400 mb-6">{% trans "Click \"Sync Channels\" to fetch channels from the source." %}</p>
            <button
                @click="triggerSync()"
                :disabled="syncing"
                class="inline-flex items-center gap-2 px-5 py-2.5 bg-blue-600 text-white rounded-lg hover:bg-blue-700 disabled:opacity-60 transition-colors"
            >
                <svg class="w-5 h-5" :class="{ 'animate-spin': syncing }" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                          d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"/>
                </svg>
                {% trans "Sync Channels Now" %}
            </button>
        </div>
        {% else %}

        <!-- Channel groups -->
        {% for cat_id, group in grouped_channels %}
        <div class="mb-8">
            <h2 class="text-base font-semibold text-gray-700 mb-3 flex items-center gap-2">
                <span class="w-1 h-5 bg-blue-500 rounded-full inline-block"></span>
                {{ group.name }}
                <span class="text-xs text-gray-400 font-normal">({{ group.channels|length }})</span>
            </h2>
            <div class="grid grid-cols-2 sm:grid-cols-3 md:grid-cols-4 lg:grid-cols-5 xl:grid-cols-6 gap-2">
                {% for channel in group.channels %}
                <button
                    @click="selectChannel({
                        id: {{ channel.id }},
                        name: '{{ channel.name|escapejs }}',
                        playUrl: '{{ channel.get_play_url|escapejs }}'
                    })"
                    :class="selectedChannel === {{ channel.id }} ? 'ring-2 ring-blue-500 bg-blue-50 text-blue-700' : 'bg-white text-gray-700 hover:bg-gray-50'"
                    class="relative text-left px-3 py-2.5 rounded-lg border border-gray-200 text-sm font-medium transition-all shadow-sm group"
                    title="{{ channel.name }}"
                >
                    <div class="flex items-center gap-2">
                        <span class="w-2 h-2 rounded-full bg-red-400 animate-pulse flex-shrink-0"></span>
                        <span class="truncate">{{ channel.name }}</span>
                    </div>
                </button>
                {% endfor %}
            </div>
        </div>
        {% endfor %}
        {% endif %}
    </div>

    <!-- Player Modal (fixed overlay) -->
    <div x-show="playerVisible" x-cloak
         class="fixed inset-0 z-50 flex flex-col bg-black"
         x-transition:enter="transition ease-out duration-200"
         x-transition:enter-start="opacity-0"
         x-transition:enter-end="opacity-100">

        <!-- Player header -->
        <div class="flex items-center justify-between px-4 py-3 bg-gray-900 text-white flex-shrink-0">
            <div class="flex items-center gap-3">
                <span class="w-2.5 h-2.5 bg-red-500 rounded-full animate-pulse"></span>
                <span class="font-semibold text-base" x-text="iframeTitle"></span>
                <span class="text-xs text-gray-400">{% trans "LIVE" %}</span>
            </div>
            <div class="flex items-center gap-3">
                <a :href="'{% url "livetv:m3u" %}'"
                   class="text-xs text-gray-400 hover:text-white transition-colors">
                    playlist.m3u
                </a>
                <button @click="closePlayer()" class="text-gray-400 hover:text-white transition-colors p-1">
                    <svg class="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/>
                    </svg>
                </button>
            </div>
        </div>

        <!-- Iframe player -->
        <div class="flex-1 relative">
            <iframe
                :src="iframeUrl"
                class="w-full h-full border-0"
                allow="autoplay; fullscreen; encrypted-media"
                allowfullscreen
                scrolling="no"
            ></iframe>
        </div>
    </div>

</div>
{% endblock %}