{% extends "base.html" %}
{% block page_icon %}📁{% endblock %}
{% block page_title %}Kanban board new{% endblock %}

{% block content %}
<!-- Cover image -->
<div class="page-cover">
  <div class="page-cover-actions">
    <button class="cover-btn">Change</button>
    <button class="cover-btn">Reposition</button>
    <button class="cover-btn">↓</button>
  </div>
</div>

<!-- Page title -->
<div class="page-title-area">
  <div class="page-title">
    <span class="page-icon-lg">📁</span>
    <h1>Kanban board new</h1>
  </div>
</div>

<!-- Description -->
<div class="page-description" x-data="{ hideDesc: false }">
  <template x-if="!hideDesc">
    <div>
      <p>Use this Kanban board to track tasks across your project. Group by team, filter by status, and sort by priority.</p>
      <p style="margin-top: 8px;">
        <strong>Properties</strong> like Status, Assignee, and Deadline are synced with Gitea issues.<br>
        Enable <strong>Sub-groups</strong> to organize by team (Design, Engineering, etc.).
      </p>
    </div>
  </template>
  <button class="text-xs text-dim" @click="hideDesc = !hideDesc" style="margin-top: 4px;">
    <span x-text="hideDesc ? 'Show description ▾' : 'Hide description ▴'"></span>
  </button>
</div>

<!-- View tabs -->
<div class="view-tabs">
  <button class="view-tab active" @click="switchView('kanban')">
    <span class="tab-icon">📊</span> Kanban board
  </button>
  <button class="view-tab" @click="switchView('detailed')">
    <span class="tab-icon">📋</span> Detailed board
  </button>
  <button class="view-tab" @click="switchView('table')">
    <span class="tab-icon">☰</span> Table view
  </button>
  <button class="view-tab" @click="switchView('status')">
    <span class="tab-icon">📈</span> Status overview
  </button>
  <button class="view-tab" @click="switchView('teamload')">
    <span class="tab-icon">👥</span> Team Load
  </button>
</div>

<!-- Toolbar -->
<div class="view-toolbar">
  <!-- Filter bar -->
  <div class="filter-bar" x-data="filterSystem()">
    <template x-for="(f, i) in activeFilters" :key="i">
      <div class="filter-pill">
        <span x-text="f.property + ': ' + f.value"></span>
        <button class="remove-filter" @click="removeFilter(i)">✕</button>
      </div>
    </template>
    <div class="filter-pill" style="cursor:pointer;" @click="openFilterPanel()">
      <span>Status: </span>
      <span class="text-dim" x-text="statusFilter || 'All'"></span>
      <span style="font-size:10px;">▾</span>
    </div>
    <button class="filter-add-btn" @click="addFilter()">+ Filter</button>
    <button class="filter-reset-btn" @click="resetFilters()" x-show="activeFilters.length > 0">Reset</button>
  </div>

  <div class="view-toolbar-spacer"></div>

  <button class="toolbar-btn" title="Sort">⇅</button>
  <button class="toolbar-btn" title="Properties">⚡</button>
  <button class="toolbar-btn" title="Search">🔍</button>
  <button class="toolbar-btn">⋯</button>
  <button class="btn-new">New ▾</button>
</div>

<!-- Kanban Board -->
<div class="kanban-container" x-data="kanbanBoard()" id="kanban-root">
  <!-- To-do Column -->
  <div class="kanban-column">
    <div class="kanban-column-header">
      <span class="col-dot" style="background: var(--gray);"></span>
      To-do <span class="col-count">1</span>
    </div>
    {% for group in groups %}
    <div class="kanban-group-header" @click="toggleGroup('{{ group.id }}')">
      <span class="group-chevron" :class="{ 'open': !collapsedGroups.includes('{{ group.id }}') }">▶</span>
      {{ group.name }}
      <span class="group-count">{{ group.counts.todo }}</span>
    </div>
    <div class="kanban-cards" x-show="!collapsedGroups.includes('{{ group.id }}')"
         data-group="{{ group.id }}" data-status="todo"
         id="kanban-{{ group.id }}-todo">
      {% for card in group.cards if card.status == 'todo' %}
      {% include "card.html" %}
      {% endfor %}
      <button class="kanban-new-card" @click="newCard('{{ group.id }}', 'todo')">+ New page</button>
    </div>
    {% endfor %}
    <button class="kanban-new-group" @click="newGroup()" style="margin-top: 16px;">+ New group</button>
  </div>

  <!-- In Progress Column -->
  <div class="kanban-column">
    <div class="kanban-column-header">
      <span class="col-dot" style="background: var(--blue);"></span>
      In progress <span class="col-count">3</span>
    </div>
    {% for group in groups %}
    <div class="kanban-group-header" @click="toggleGroup('{{ group.id }}')">
      <span class="group-chevron" :class="{ 'open': !collapsedGroups.includes('{{ group.id }}') }">▶</span>
      {{ group.name }}
      <span class="group-count">{{ group.counts.progress }}</span>
    </div>
    <div class="kanban-cards" x-show="!collapsedGroups.includes('{{ group.id }}')"
         data-group="{{ group.id }}" data-status="progress"
         id="kanban-{{ group.id }}-progress">
      {% for card in group.cards if card.status == 'progress' %}
      {% include "card.html" %}
      {% endfor %}
      <button class="kanban-new-card" @click="newCard('{{ group.id }}', 'progress')">+ New page</button>
    </div>
    {% endfor %}
  </div>

  <!-- Complete Column -->
  <div class="kanban-column">
    <div class="kanban-column-header">
      <span class="col-dot" style="background: var(--green);"></span>
      Complete <span class="col-count">1</span>
    </div>
    {% for group in groups %}
    <div class="kanban-group-header" @click="toggleGroup('{{ group.id }}')">
      <span class="group-chevron" :class="{ 'open': !collapsedGroups.includes('{{ group.id }}') }">▶</span>
      {{ group.name }}
      <span class="group-count">{{ group.counts.done }}</span>
    </div>
    <div class="kanban-cards" x-show="!collapsedGroups.includes('{{ group.id }}')"
         data-group="{{ group.id }}" data-status="done"
         id="kanban-{{ group.id }}-done">
      {% for card in group.cards if card.status == 'done' %}
      {% include "card.html" %}
      {% endfor %}
      <button class="kanban-new-card" @click="newCard('{{ group.id }}', 'done')">+ New page</button>
    </div>
    {% endfor %}
  </div>
</div>
{% endblock %}

{% block scripts %}
<script>
  function switchView(view) {
    const tabs = document.querySelectorAll('.view-tab');
    tabs.forEach(t => t.classList.remove('active'));
    event.target.classList.add('active');

    // TODO: Load view content via HTMX
    console.log('Switch to view:', view);
  }

  function kanbanBoard() {
    return {
      collapsedGroups: [],
      toggleGroup(id) {
        const idx = this.collapsedGroups.indexOf(id);
        if (idx >= 0) this.collapsedGroups.splice(idx, 1);
        else this.collapsedGroups.push(id);
      },
      newCard(groupId, status) {
        console.log('New card in', groupId, status);
        // TODO: Create issue in Gitea
      },
      newGroup() {
        console.log('New group');
        // TODO: Create new group
      }
    };
  }

  function filterSystem() {
    return {
      activeFilters: [],
      statusFilter: 'All',
      openFilterPanel() {
        console.log('Open filter panel');
      },
      addFilter() {
        console.log('Add filter');
      },
      removeFilter(i) {
        this.activeFilters.splice(i, 1);
      },
      resetFilters() {
        this.activeFilters = [];
      }
    };
  }

  // Initialize SortableJS
  document.addEventListener('alpine:initialized', () => {
    document.querySelectorAll('.kanban-cards').forEach(el => {
      new Sortable(el, {
        group: 'kanban',
        animation: 200,
        ghostClass: 'sortable-ghost',
        dragClass: 'sortable-drag',
        onEnd: function(evt) {
          const cardId = evt.item.dataset.cardId;
          const fromCol = evt.from.dataset.status;
          const toCol = evt.to.dataset.status;
          const group = evt.to.dataset.group;
          console.log('Moved card', cardId, 'from', fromCol, 'to', toCol, 'group', group);
          // TODO: POST /api/move
        }
      });
    });
  });
</script>
{% endblock %}