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

{% block title %}{% trans "Price Monitor" %}{% endblock %}

{% block content %}
<div class="max-w-7xl mx-auto px-4 py-6">

  <!-- Header -->
  <div class="flex items-start justify-between gap-4 mb-6">
    <div class="min-w-0">
      <h1 class="text-2xl font-bold text-gray-900">{% trans "Price Monitor" %}</h1>
      <p class="text-sm text-gray-500 mt-0.5">{% trans "Track product prices and get notified on drops" %}</p>
    </div>
    <a href="{% url 'pricemon-add' %}"
       class="flex-shrink-0 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="M12 4v16m8-8H4"/>
      </svg>
      {% trans "Add Watcher" %}
    </a>
  </div>

  <!-- Stat cards -->
  <div class="grid grid-cols-3 gap-3 sm:gap-4 mb-6">
    <div class="bg-white rounded-lg shadow-sm border border-gray-100 p-4">
      <div class="text-xs text-gray-400 font-medium uppercase tracking-wide mb-1">{% trans "Watchers" %}</div>
      <div class="text-2xl font-bold text-gray-900">{{ total_watchers }}</div>
    </div>
    <div class="bg-white rounded-lg shadow-sm border border-gray-100 p-4">
      <div class="text-xs text-gray-400 font-medium uppercase tracking-wide mb-1">{% trans "Active Alerts" %}</div>
      <div class="text-2xl font-bold {% if active_alerts_count %}text-red-600{% else %}text-gray-900{% endif %}">
        {{ active_alerts_count }}
      </div>
    </div>
    <div class="bg-white rounded-lg shadow-sm border border-gray-100 p-4">
      <div class="text-xs text-gray-400 font-medium uppercase tracking-wide mb-1">{% trans "Enabled" %}</div>
      <div class="text-2xl font-bold text-gray-900">{{ enabled_watchers_count }}</div>
    </div>
  </div>

  <!-- Active Alerts Panel -->
  {% if active_alerts %}
  <div id="alerts-container"
       hx-get="{% url 'pricemon-alerts-partial' %}"
       hx-trigger="every 30s"
       hx-swap="innerHTML">
    {% include 'pricemon/_alerts.html' with alerts=active_alerts %}
  </div>
  {% endif %}

  <!-- Watchers List -->
  <div class="bg-white rounded-lg shadow-sm border border-gray-100 overflow-hidden">
    {% if watchers %}

    <!-- Mobile / Card view (default, hidden on lg+) -->
    <div class="divide-y divide-gray-100 lg:hidden">
      {% for watcher in watchers %}
      <div class="p-4" id="watcher-row-{{ watcher.pk }}">
        <!-- Top row: name + badge + price -->
        <div class="flex items-start justify-between gap-3">
          <div class="flex-1 min-w-0">
            <div class="flex items-center flex-wrap gap-2">
              <span class="font-medium text-gray-900 leading-tight">{{ watcher.name }}</span>
              {% if watcher.enabled %}
                <span class="inline-flex items-center px-2 py-0.5 rounded-full text-xs font-medium bg-green-100 text-green-700">{% trans "Active" %}</span>
              {% else %}
                <span class="inline-flex items-center px-2 py-0.5 rounded-full text-xs font-medium bg-gray-100 text-gray-500">{% trans "Paused" %}</span>
              {% endif %}
            </div>
            <a href="{{ watcher.url }}" target="_blank" rel="noopener"
               class="text-xs text-indigo-500 hover:underline truncate block mt-0.5 max-w-full">
              {{ watcher.url|truncatechars:55 }}
            </a>
            <div class="flex flex-wrap gap-3 mt-1.5 text-xs text-gray-400">
              {% if watcher.last_checked_at %}
                <span>{% trans "Checked" %} {{ watcher.last_checked_at|timesince }} {% trans "ago" %}</span>
              {% else %}
                <span>{% trans "Never checked" %}</span>
              {% endif %}
              <span>{{ watcher.get_check_interval_hours_display }}</span>
            </div>
          </div>
          <div class="flex-shrink-0 text-right">
            {% if watcher.last_price %}
              <span class="text-xl font-bold text-gray-900">${{ watcher.last_price }}</span>
            {% else %}
              <span class="text-gray-400 text-lg">—</span>
            {% endif %}
            <div class="mt-1 text-xs text-gray-500">
              {% if watcher.initial_price %}
                <span class="block">{% trans "Initial" %} ${{ watcher.initial_price }}</span>
              {% endif %}
              {% if watcher.price_change_direction %}
                {% if watcher.price_change_direction == 'up' %}
                  <span class="block text-red-600">
                    <span aria-hidden="true">{{ watcher.price_change_symbol }}</span>
                    {% trans "up" %} {{ watcher.price_change_pct }}%
                  </span>
                {% elif watcher.price_change_direction == 'down' %}
                  <span class="block text-green-600">
                    <span aria-hidden="true">{{ watcher.price_change_symbol }}</span>
                    {% trans "down" %} {{ watcher.price_change_pct }}%
                  </span>
                {% else %}
                  <span class="block text-gray-500">
                    <span aria-hidden="true">{{ watcher.price_change_symbol }}</span>
                    0.00%
                  </span>
                {% endif %}
              {% endif %}
            </div>
          </div>
        </div>
        <!-- Actions row -->
        <div class="flex items-center justify-end gap-1 mt-3 pt-2 border-t border-gray-50">
          <button
            hx-post="{% url 'pricemon-check-now' watcher.pk %}"
            hx-confirm="Run a price check now for {{ watcher.name }}?"
            hx-swap="none"
            hx-on::after-request="if(event.detail.successful) window.location.reload()"
            title="{% trans 'Check Now' %}"
            class="p-2 rounded text-gray-400 hover:text-indigo-600 hover:bg-indigo-50 transition">
            <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 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>
          </button>
          <a href="{% url 'pricemon-history' watcher.pk %}"
             title="{% trans 'Price History' %}"
             class="p-2 rounded text-gray-400 hover:text-indigo-600 hover:bg-indigo-50 transition">
            <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="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z"/>
            </svg>
          </a>
          <a href="{% url 'pricemon-edit' watcher.pk %}"
             title="{% trans 'Edit' %}"
             class="p-2 rounded text-gray-400 hover:text-indigo-600 hover:bg-indigo-50 transition">
            <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="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"/>
            </svg>
          </a>
          <form method="post" action="{% url 'pricemon-toggle-enabled' watcher.pk %}" class="inline"
                {% if watcher.enabled %}onsubmit="return confirm('Disable price monitoring for this product?')"{% endif %}>
            {% csrf_token %}
            <button type="submit"
                    title="{% if watcher.enabled %}{% trans 'Disable monitoring' %}{% else %}{% trans 'Enable monitoring' %}{% endif %}"
                    class="p-2 rounded text-gray-400 {% if watcher.enabled %}hover:text-amber-600 hover:bg-amber-50{% else %}hover:text-green-600 hover:bg-green-50{% endif %} transition">
              {% if watcher.enabled %}
                <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="M10 9v6m4-6v6m5-3a7 7 0 11-14 0 7 7 0 0114 0z"/>
                </svg>
              {% else %}
                <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="M8 5v14l11-7L8 5z"/>
                </svg>
              {% endif %}
            </button>
          </form>
          <form method="post" action="{% url 'pricemon-delete' watcher.pk %}" class="inline"
                onsubmit="return confirm('Delete watcher {{ watcher.name }}?')">
            {% csrf_token %}
            <button type="submit" title="{% trans 'Delete' %}"
                    class="p-2 rounded text-gray-400 hover:text-red-600 hover:bg-red-50 transition">
              <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="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16"/>
              </svg>
            </button>
          </form>
        </div>
      </div>
      {% endfor %}
    </div>

    <!-- Desktop / Table view (hidden below lg) -->
    <table class="hidden lg:table min-w-full divide-y divide-gray-200 text-sm">
      <thead class="bg-gray-50">
        <tr>
          <th class="px-4 py-3 text-left text-xs font-semibold text-gray-500 uppercase tracking-wider">{% trans "Product" %}</th>
          <th class="px-4 py-3 text-right text-xs font-semibold text-gray-500 uppercase tracking-wider">{% trans "Current Price" %}</th>
          <th class="px-4 py-3 text-left text-xs font-semibold text-gray-500 uppercase tracking-wider">{% trans "Last Checked" %}</th>
          <th class="px-4 py-3 text-left text-xs font-semibold text-gray-500 uppercase tracking-wider">{% trans "Interval" %}</th>
          <th class="px-4 py-3 text-center text-xs font-semibold text-gray-500 uppercase tracking-wider">{% trans "Status" %}</th>
          <th class="px-4 py-3 text-right text-xs font-semibold text-gray-500 uppercase tracking-wider">{% trans "Actions" %}</th>
        </tr>
      </thead>
      <tbody class="divide-y divide-gray-100">
        {% for watcher in watchers %}
        <tr class="hover:bg-gray-50" id="watcher-row-desktop-{{ watcher.pk }}">
          <td class="px-4 py-3">
            <div class="font-medium text-gray-900">{{ watcher.name }}</div>
            <a href="{{ watcher.url }}" target="_blank" rel="noopener"
               class="text-xs text-indigo-500 hover:underline truncate block max-w-xs">
              {{ watcher.url|truncatechars:60 }}
            </a>
          </td>
          <td class="px-4 py-3 text-right">
            {% if watcher.last_price %}
              <span class="text-lg font-bold text-gray-900">${{ watcher.last_price }}</span>
            {% else %}
              <span class="text-gray-400">—</span>
            {% endif %}
            <div class="mt-1 space-y-0.5 text-xs text-gray-500">
              {% if watcher.initial_price %}
                <div>{% trans "Initial" %} ${{ watcher.initial_price }}</div>
              {% endif %}
              {% if watcher.price_change_direction %}
                {% if watcher.price_change_direction == 'up' %}
                  <div class="font-medium text-red-600">
                    <span aria-hidden="true">{{ watcher.price_change_symbol }}</span>
                    {% trans "up" %} {{ watcher.price_change_pct }}%
                  </div>
                {% elif watcher.price_change_direction == 'down' %}
                  <div class="font-medium text-green-600">
                    <span aria-hidden="true">{{ watcher.price_change_symbol }}</span>
                    {% trans "down" %} {{ watcher.price_change_pct }}%
                  </div>
                {% else %}
                  <div class="font-medium text-gray-500">
                    <span aria-hidden="true">{{ watcher.price_change_symbol }}</span>
                    0.00%
                  </div>
                {% endif %}
              {% endif %}
            </div>
          </td>
          <td class="px-4 py-3 text-gray-500">
            {% if watcher.last_checked_at %}
              {{ watcher.last_checked_at|timesince }} {% trans "ago" %}
            {% else %}
              <span class="text-gray-300">{% trans "Never" %}</span>
            {% endif %}
          </td>
          <td class="px-4 py-3 text-gray-500">
            {{ watcher.get_check_interval_hours_display }}
          </td>
          <td class="px-4 py-3 text-center">
            {% if watcher.enabled %}
              <span class="inline-flex items-center px-2 py-0.5 rounded-full text-xs font-medium bg-green-100 text-green-700">{% trans "Active" %}</span>
            {% else %}
              <span class="inline-flex items-center px-2 py-0.5 rounded-full text-xs font-medium bg-gray-100 text-gray-500">{% trans "Paused" %}</span>
            {% endif %}
          </td>
          <td class="px-4 py-3 text-right">
            <div class="flex items-center justify-end gap-1">
              <button
                hx-post="{% url 'pricemon-check-now' watcher.pk %}"
                hx-confirm="Run a price check now for {{ watcher.name }}?"
                hx-swap="none"
                hx-on::after-request="if(event.detail.successful) window.location.reload()"
                title="{% trans 'Check Now' %}"
                class="p-1.5 rounded text-gray-400 hover:text-indigo-600 hover:bg-indigo-50 transition">
                <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 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>
              </button>
              <a href="{% url 'pricemon-history' watcher.pk %}"
                 title="{% trans 'Price History' %}"
                 class="p-1.5 rounded text-gray-400 hover:text-indigo-600 hover:bg-indigo-50 transition">
                <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="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z"/>
                </svg>
              </a>
              <a href="{% url 'pricemon-edit' watcher.pk %}"
                 title="{% trans 'Edit' %}"
                 class="p-1.5 rounded text-gray-400 hover:text-indigo-600 hover:bg-indigo-50 transition">
                <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="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"/>
                </svg>
              </a>
              <form method="post" action="{% url 'pricemon-toggle-enabled' watcher.pk %}" class="inline"
                    {% if watcher.enabled %}onsubmit="return confirm('Disable price monitoring for this product?')"{% endif %}>
                {% csrf_token %}
                <button type="submit"
                        title="{% if watcher.enabled %}{% trans 'Disable monitoring' %}{% else %}{% trans 'Enable monitoring' %}{% endif %}"
                        class="p-1.5 rounded text-gray-400 {% if watcher.enabled %}hover:text-amber-600 hover:bg-amber-50{% else %}hover:text-green-600 hover:bg-green-50{% endif %} transition">
                  {% if watcher.enabled %}
                    <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="M10 9v6m4-6v6m5-3a7 7 0 11-14 0 7 7 0 0114 0z"/>
                    </svg>
                  {% else %}
                    <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="M8 5v14l11-7L8 5z"/>
                    </svg>
                  {% endif %}
                </button>
              </form>
              <form method="post" action="{% url 'pricemon-delete' watcher.pk %}" class="inline"
                    onsubmit="return confirm('Delete watcher {{ watcher.name }}?')">
                {% csrf_token %}
                <button type="submit" title="{% trans 'Delete' %}"
                        class="p-1.5 rounded text-gray-400 hover:text-red-600 hover:bg-red-50 transition">
                  <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="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16"/>
                  </svg>
                </button>
              </form>
            </div>
          </td>
        </tr>
        {% endfor %}
      </tbody>
    </table>

    {% else %}
    <div class="text-center py-16 text-gray-400">
      <svg class="w-12 h-12 mx-auto mb-3 text-gray-300" fill="none" stroke="currentColor" viewBox="0 0 24 24">
        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5"
              d="M7 7h.01M7 3h5c.512 0 1.024.195 1.414.586l7 7a2 2 0 010 2.828l-7 7a2 2 0 01-2.828 0l-7-7A1.994 1.994 0 013 12V7a4 4 0 014-4z"/>
      </svg>
      <p class="font-medium">{% trans "No watchers yet" %}</p>
      <p class="text-sm mt-1">
        <a href="{% url 'pricemon-add' %}" class="text-indigo-500 hover:underline">{% trans "Add your first price watcher" %}</a>
      </p>
    </div>
    {% endif %}
  </div>

</div>
{% endblock %}