{% extends "base.html" %}
{% block title %}Epics Overview{% endblock %}
{% block extra_head %}
{% include "components/rich_text_editor_assets.html" %}
{% endblock %}
{% block breadcrumb %}
<nav class="mb-4" aria-label="Breadcrumb">
  <ol class="flex items-center gap-1.5 text-xs text-gray-500 dark:text-gray-400">
    <li><a href="{% url 'dashboard' %}" class="hover:text-gray-700 dark:hover:text-gray-300">Dashboard</a></li>
    <li class="text-gray-300 dark:text-gray-600">/</li>
    <li class="text-gray-900 dark:text-white font-medium" aria-current="page">Epics</li>
  </ol>
</nav>
{% endblock %}

{% block content %}
<div x-data="{
  editEpicOpen: false,
  editEpicData: { id: '', name: '', description: '', sort_order: '', start_date: '', end_date: '' },
  createTicketOpen: false,
  createTicketData: { name: '', description: '', status_id: '', priority_id: '', start_date: '', due_date: '', epic: '', project: '' }
}">

{% if not selected_project_id %}
<div class="mb-6 flex flex-col sm:flex-row sm:items-center justify-between gap-4">
  <div>
    <h1 class="text-2xl font-bold">Epics Overview</h1>
    <p class="text-gray-500 dark:text-gray-400 text-sm mt-1">Browse epics across all projects</p>
  </div>
</div>
<div class="rounded-xl bg-white dark:bg-gray-950 shadow-sm ring-1 ring-gray-950/5 dark:ring-white/10 p-6">
  <div class="mb-5">
    <h3 class="text-sm font-semibold text-gray-900 dark:text-white">Select Project</h3>
    <p class="text-sm text-gray-500 dark:text-gray-400 mt-1">Choose a project to view its epics</p>
  </div>

    <div x-data="{ search: '', visibleCount: {{ projects|length }} }" class="space-y-4">
      <div class="mb-4">
        <div class="relative">
          <i class="fas fa-search absolute left-3 top-1/2 -translate-y-1/2 text-gray-400"></i>
          <input type="text" x-model="search" @input='visibleCount = $el.closest("[x-data]").querySelectorAll("[data-project-card]:not([style*=\"display: none\"])").length' placeholder="Search projects by name or prefix..."
                 class="block w-full pl-10 pr-10 py-2.5 border border-gray-300 dark:border-gray-600 rounded-lg bg-white dark:bg-gray-950 text-gray-900 dark:text-white placeholder-gray-400 dark:placeholder-gray-600 focus:ring-2 focus:ring-primary-500 focus:border-transparent outline-none text-sm">
          <button x-show="search" @click="search = ''; visibleCount = {{ projects|length }}" x-cloak class="absolute inset-y-0 right-0 flex items-center pr-3 text-gray-400 hover:text-gray-600 dark:hover:text-gray-300">
            <i class="fas fa-times"></i>
          </button>
        </div>
      </div>

      {% if not projects %}
      <div class="flex flex-col items-center justify-center py-12 text-gray-500 dark:text-gray-400">
        <h3 class="text-base font-medium text-gray-900 dark:text-white mb-1">No Projects Available</h3>
        <p class="text-sm text-gray-500 dark:text-gray-400">You don't have access to any projects yet.</p>
      </div>
      {% else %}
      <div x-show="!search || visibleCount > 0">
        <div class="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4 gap-3">
          {% for p in projects %}
          <div data-project-card x-show="!search || '{{ p.name|lower }} {{ p.ticket_prefix|lower }}'.includes(search.toLowerCase())">
            <a href="/dashboard/epics/{{ p.id }}/" class="block relative p-4 bg-white dark:bg-gray-950 border border-gray-200 dark:border-gray-600 rounded-lg hover:shadow-md transition-all overflow-hidden text-left"
               style="border-left: 4px solid {{ p.color|default:'#6B7280' }};">
              {% if p.pinned_date %}
              <div class="absolute top-2 right-2">
                <div class="flex items-center justify-center w-6 h-6 rounded-full shadow-sm" style="background-color:{{ p.color|default:'#6B7280' }};" title="Pinned Project">
                  <i class="fas fa-thumbtack text-white text-xs"></i>
                </div>
              </div>
              {% endif %}
              <span class="inline-flex px-2.5 py-1 rounded text-xs font-semibold mb-3 text-white" style="background-color:{{ p.color|default:'#6B7280' }}">{{ p.ticket_prefix }}</span>
              <h3 class="font-semibold text-base text-gray-900 dark:text-white line-clamp-2">{{ p.name }}</h3>
            </a>
          </div>
          {% endfor %}
        </div>
      </div>
      <div x-show="search && visibleCount === 0" class="flex flex-col items-center justify-center py-12 text-gray-500 dark:text-gray-400">
        <i class="fas fa-search text-4xl mb-3 text-gray-400 dark:text-gray-500"></i>
        <h3 class="text-base font-medium text-gray-900 dark:text-white mb-1">No Projects Found</h3>
        <p class="text-sm text-gray-500 dark:text-gray-400">Try adjusting your search terms</p>
      </div>
      {% endif %}
    </div>
  </div>

{% else %}
<div class="mb-6 flex flex-col sm:flex-row sm:items-center justify-between gap-4">
  <div>
    <h1 class="text-2xl font-bold">Epics Overview</h1>
    <p class="text-gray-500 dark:text-gray-400 text-sm mt-1">{{ selected_project.name }}</p>
  </div>
  <div class="flex items-center gap-2">
    <a href="{% url 'epics-overview' %}" class="dk-btn dk-btn-ghost text-sm"><i class="fas fa-arrow-left mr-1"></i> Back</a>
  </div>
</div>
<div>
  <div class="mb-4" x-data="{ open: false }">
    <div class="relative">
      <button @click="open = !open" @click.away="open = false"
              class="inline-flex items-center gap-2 px-4 py-2.5 text-sm font-medium text-gray-900 dark:text-white bg-white dark:bg-gray-950 border-2 rounded-lg hover:bg-gray-50 dark:hover:bg-gray-800 transition-colors"
              style="border-color: {{ selected_project.color|default:'#D1D5DB' }};">
        {% if selected_project.ticket_prefix %}
        <span class="px-2 py-0.5 rounded text-xs font-semibold text-white" style="background-color:{{ selected_project.color|default:'#6B7280' }}">{{ selected_project.ticket_prefix }}</span>
        {% endif %}
        <span>{{ selected_project.name }}</span>
        <i class="fas fa-chevron-down text-xs transition-transform" :class="{ 'rotate-180': open }"></i>
      </button>
      <div x-show="open" x-transition:enter="transition ease-out duration-100" x-transition:enter-start="opacity-0 scale-95" x-transition:enter-end="opacity-100 scale-100" x-transition:leave="transition ease-in duration-75" x-transition:leave-start="opacity-100 scale-100" x-transition:leave-end="opacity-0 scale-95"
           class="absolute top-full left-0 mt-2 w-80 bg-white dark:bg-gray-950 border border-gray-200 dark:border-gray-600 rounded-lg shadow-lg z-50 max-h-96 overflow-y-auto" style="display: none;">
        <div class="p-2">
          <div class="px-3 py-2 text-xs font-semibold text-gray-500 dark:text-gray-400 uppercase tracking-wider">Switch Project</div>
          {% for p in projects %}
          <a href="/dashboard/epics/{{ p.id }}/" @click="open = false"
             class="w-full flex items-center gap-3 px-3 py-2 rounded-md hover:bg-gray-50 dark:hover:bg-gray-800 transition-colors text-left {% if p.id == selected_project.id %}bg-gray-50 dark:bg-gray-800{% endif %}">
            {% if p.pinned_date %}
            <div class="flex items-center justify-center w-5 h-5 rounded-full shrink-0" style="background-color:{{ p.color|default:'#6B7280' }};" title="Pinned">
              <i class="fas fa-thumbtack text-white text-[8px]"></i>
            </div>
            {% endif %}
            {% if p.ticket_prefix %}
            <span class="px-2 py-0.5 rounded text-xs font-semibold text-white flex-shrink-0" style="background-color:{{ p.color|default:'#6B7280' }}">{{ p.ticket_prefix }}</span>
            {% endif %}
            <div class="flex-1 min-w-0 text-sm font-medium text-gray-900 dark:text-white truncate">{{ p.name }}</div>
            {% if p.id == selected_project.id %}
            <i class="fas fa-check flex-shrink-0" style="color:{{ p.color|default:'#3B82F6' }}"></i>
            {% endif %}
          </a>
          {% endfor %}
        </div>
      </div>
    </div>
  </div>

  {% if epics %}
  <div class="rounded-xl bg-white dark:bg-gray-950 shadow-sm ring-1 ring-gray-950/5 dark:ring-white/10">
    <div class="px-6 py-3 border-b border-gray-100 dark:border-gray-600">
      <h3 class="text-sm font-semibold text-gray-900 dark:text-white">Epics Overview</h3>
    </div>
    <div class="grid grid-cols-1 gap-4">
      {% for epic in epics %}
      <div class="bg-white dark:bg-gray-950 shadow-sm ring-1 ring-gray-950/5 dark:ring-white/10 rounded-lg overflow-hidden">
        <div class="px-6 py-3 border-b border-gray-100 dark:border-gray-600 flex items-center justify-between gap-4">
          <div class="flex items-center gap-3 min-w-0">
            <div>
              <h3 class="text-sm font-semibold text-gray-900 dark:text-white">{{ epic.name }}</h3>
              <div class="text-xs text-gray-500 dark:text-gray-400">
                {{ epic.start_date|date:"M d, Y"|default:"-" }} — {{ epic.end_date|date:"M d, Y"|default:"-" }}
              </div>
            </div>
          </div>
          <div class="flex items-center gap-2 flex-shrink-0">
            <span class="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-gray-100 dark:bg-gray-800 text-gray-600 dark:text-gray-300">
              {{ epic.tickets.count }} tickets
            </span>
            <button type="button" @click="editEpicData = { id: '{{ epic.id }}', name: '{{ epic.name|escapejs }}', description: '{{ epic.description|escapejs }}', sort_order: '{{ epic.sort_order }}', start_date: '{{ epic.start_date|date:'Y-m-d'|default:'' }}', end_date: '{{ epic.end_date|date:'Y-m-d'|default:'' }}' }; editEpicOpen = true" class="inline-flex items-center px-2 py-1 text-xs font-medium rounded-lg border border-blue-200 dark:border-blue-800 text-blue-600 dark:text-blue-400 bg-blue-50 dark:bg-blue-900/20 hover:bg-blue-100 dark:hover:bg-blue-900/30">Edit</button>
          </div>
        </div>
        <div>
          {% if epic.description %}
          <div class="px-6 py-3 border-b border-gray-100 dark:border-gray-600 bg-gray-50 dark:bg-gray-800/30">
            <div class="text-sm text-gray-600 dark:text-gray-400 prose prose-sm dark:prose-invert max-w-none">{{ epic.description|safe }}</div>
          </div>
          {% endif %}
          <div class="w-full">
            <div class="px-6 py-3 border-b border-gray-100 dark:border-gray-600 flex items-center justify-between">
              <h4 class="text-xs font-semibold text-gray-500 dark:text-gray-400 uppercase tracking-wider">Tickets</h4>
              <button type="button" @click="createTicketData.epic = '{{ epic.id }}'; createTicketData.project = '{{ epic.project.id }}'; createTicketOpen = true" class="inline-flex items-center px-2 py-1 text-xs font-medium rounded-lg border border-blue-200 dark:border-blue-800 text-blue-600 dark:text-blue-400 bg-blue-50 dark:bg-blue-900/20 hover:bg-blue-100 dark:hover:bg-blue-900/30"><i class="fas fa-plus mr-1"></i>Add Ticket</button>
            </div>
            {% if epic.tickets.all %}
            <div class="overflow-x-auto">
              <table class="w-full text-sm">
                <thead class="bg-gray-50 dark:bg-gray-800">
                  <tr class="border-b border-gray-200 dark:border-gray-600 bg-gray-50 dark:bg-gray-800">
                    <th class="px-4 py-3 text-left text-xs font-semibold text-gray-500 dark:text-gray-400 uppercase tracking-wider">ID</th>
                    <th class="px-4 py-3 text-left text-xs font-semibold text-gray-500 dark:text-gray-400 uppercase tracking-wider">Ticket</th>
                    <th class="px-4 py-3 text-left text-xs font-semibold text-gray-500 dark:text-gray-400 uppercase tracking-wider">Status</th>
                    <th class="px-4 py-3 text-left text-xs font-semibold text-gray-500 dark:text-gray-400 uppercase tracking-wider hidden sm:table-cell">Assign To</th>
                    <th class="px-4 py-3 text-left text-xs font-semibold text-gray-500 dark:text-gray-400 uppercase tracking-wider hidden md:table-cell">Due Date</th>
                    <th class="px-4 py-3 text-right text-xs font-semibold text-gray-500 dark:text-gray-400 uppercase tracking-wider">Actions</th>
                  </tr>
                </thead>
                <tbody class="divide-y divide-gray-100 dark:divide-gray-700">
                  {% for ticket in epic.tickets.all %}
                  <tr class="hover:bg-gray-50 dark:hover:bg-gray-800/30 transition-colors">
                    <td class="px-4 py-3 whitespace-nowrap text-sm font-mono text-gray-500 dark:text-gray-400">{{ ticket.uuid|truncatechars:8 }}</td>
                    <td class="px-4 py-3 text-sm font-medium text-gray-900 dark:text-white">{{ ticket.name }}</td>
                    <td class="px-4 py-3 whitespace-nowrap text-sm">
                      <span class="inline-flex rounded-full px-2 py-0.5 text-xs font-semibold" style="color:{{ ticket.status.color }};background-color:{{ ticket.status.color }}20">
                        {{ ticket.status.name }}
                      </span>
                    </td>
                    <td class="px-4 py-3 text-sm text-gray-500 dark:text-gray-400 hidden sm:table-cell">
                      {% if ticket.assignees.all %}
                      <div class="flex flex-wrap gap-1">
                        {% for a in ticket.assignees.all|slice:":2" %}
                        <span class="inline-flex items-center gap-1 px-2 py-0.5 rounded-full text-xs font-medium bg-blue-100 dark:bg-blue-900/40 text-blue-700 dark:text-blue-300">{{ a.get_full_name|default:a.username }}</span>
                        {% endfor %}
                        {% if ticket.assignees.all|length > 2 %}
                        <span class="relative inline-flex items-center px-2 py-0.5 rounded-full text-xs font-medium bg-gray-100 dark:bg-gray-800 text-gray-600 dark:text-gray-300 cursor-default" x-data="{ tooltip: false }" @mouseenter="tooltip = true" @mouseleave="tooltip = false">
                          +{{ ticket.assignees.all|length|add:"-2" }}
                          <div x-show="tooltip" x-cloak x-transition class="absolute bottom-full left-1/2 -translate-x-1/2 mb-1 px-2 py-1 bg-gray-900 dark:bg-gray-700 text-white text-xs rounded whitespace-nowrap z-50">
                            {% for a in ticket.assignees.all|slice:"2:" %}{{ a.get_full_name|default:a.username }}{% if not forloop.last %}, {% endif %}{% endfor %}
                          </div>
                        </span>
                        {% endif %}
                      </div>
                      {% else %}
                      <span class="inline-flex items-center gap-1 px-2 py-0.5 rounded-full text-xs font-medium bg-gray-100 dark:bg-gray-800 text-gray-500 dark:text-gray-400">Unassigned</span>
                      {% endif %}
                    </td>
                    <td class="px-4 py-3 whitespace-nowrap text-sm text-gray-500 dark:text-gray-400 hidden md:table-cell">{{ ticket.due_date|date:"M d, Y"|default:"-" }}</td>
                    <td class="px-4 py-3 whitespace-nowrap text-right text-sm font-medium">
                      <a href="{% url 'ticket-detail' ticket.id %}" target="_blank" class="inline-flex items-center px-2 py-1 text-xs font-medium rounded-lg border border-blue-200 dark:border-blue-800 text-blue-600 dark:text-blue-400 bg-blue-50 dark:bg-blue-900/20 hover:bg-blue-100 dark:hover:bg-blue-900/30">View</a>
                    </td>
                  </tr>
                  {% endfor %}
                </tbody>
              </table>
            </div>
            {% else %}
            <div class="text-sm text-gray-500 dark:text-gray-400 py-8 text-center">No tickets found for this epic.</div>
            {% endif %}
          </div>
        </div>
      </div>
      {% endfor %}
    </div>
  </div>
  {% else %}
  <div class="flex flex-col items-center justify-center h-64 text-gray-500 dark:text-gray-400 gap-4">
    <div class="flex items-center justify-center rounded-full bg-gray-100 dark:bg-gray-950 p-6">
      <i class="fas fa-flag text-4xl text-gray-400 dark:text-gray-500"></i>
    </div>
    <h2 class="text-xl font-medium text-gray-600 dark:text-gray-300">No epics found in this project</h2>
    <p class="text-sm text-gray-500 dark:text-gray-400">This project doesn't have any epics yet. Create an epic to organize your tickets.</p>
    <a href="{% url 'epic-create-project' selected_project.id %}" class="dk-btn dk-btn-primary text-sm"><i class="fas fa-plus"></i> Create Epic</a>
  </div>
  {% endif %}
</div>
{% endif %}
  {% include "components/edit_epic_modal.html" %}
  {% include "components/create_ticket_modal.html" %}
</div>
{% endblock %}