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

{% block title %}Закупки{% endblock %}

{% block extra_css %}
<link rel="stylesheet" href="{% static 'css/components/page-header.css' %}">
<link rel="stylesheet" href="{% static 'css/components/procurement.css' %}">
{% endblock %}

{% block content %}

  {# ===== ШАПКА СТРАНИЦЫ ===== #}
  {% include "includes/components/page_header.html" with icon="bi-cart3" title="Закупки" no_search=True create_as_card=True create_modal="procCreateModal" create_text="Создать заявку" %}

  {# ===== СТАТИСТИКА ===== #}
  <div class="proc-stats">
    <div class="proc-stat-card">
      <div class="proc-stat-icon pending">
        <i class="bi-hourglass-split"></i>
      </div>
      <div class="proc-stat-content">
        <div class="proc-stat-value" id="statPending">{{ stats.pending|default:0 }}</div>
        <div class="proc-stat-label">На согласовании</div>
      </div>
    </div>
    
    <div class="proc-stat-card">
      <div class="proc-stat-icon approved">
        <i class="bi-check-circle"></i>
      </div>
      <div class="proc-stat-content">
        <div class="proc-stat-value" id="statApproved">{{ stats.approved|default:0 }}</div>
        <div class="proc-stat-label">Одобрено</div>
      </div>
    </div>
    
    <div class="proc-stat-card">
      <div class="proc-stat-icon budget">
        <i class="bi-wallet2"></i>
      </div>
      <div class="proc-stat-content">
        <div class="proc-stat-value" id="statBudget">
          {% if budget %}
            {{ budget.remaining_percent|floatformat:0 }}%
          {% else %}
            —
          {% endif %}
        </div>
        <div class="proc-stat-label">Бюджет отдела</div>
      </div>
    </div>
    
    <div class="proc-stat-card">
      <div class="proc-stat-icon equipment">
        <i class="bi-pc-display"></i>
      </div>
      <div class="proc-stat-content">
        <div class="proc-stat-value" id="statEquipment">{{ stats.equipment|default:0 }}</div>
        <div class="proc-stat-label">Оборудование</div>
      </div>
    </div>
  </div>

  {# ===== БЫСТРЫЕ ДЕЙСТВИЯ ===== #}
  <div class="row g-3 mb-4">
    <div class="col-md-6 col-lg-3">
      <a href="{% url 'procurement_frontend:request_list' %}" class="card text-decoration-none h-100">
        <div class="card-body text-center py-4">
          <i class="bi-list-ul text-primary fs-1 mb-2 d-block"></i>
          <h6 class="mb-1">Заявки</h6>
          <small class="text-muted">Все заявки на закупку</small>
        </div>
      </a>
    </div>
    
    <div class="col-md-6 col-lg-3">
      <a href="{% url 'procurement_frontend:my_requests' %}" class="card text-decoration-none h-100">
        <div class="card-body text-center py-4">
          <i class="bi-person-circle text-info fs-1 mb-2 d-block"></i>
          <h6 class="mb-1">Мои заявки</h6>
          <small class="text-muted">Созданные мной</small>
        </div>
      </a>
    </div>
    
    <div class="col-md-6 col-lg-3">
      <a href="{% url 'procurement_frontend:equipment_list' %}" class="card text-decoration-none h-100">
        <div class="card-body text-center py-4">
          <i class="bi-laptop text-success fs-1 mb-2 d-block"></i>
          <h6 class="mb-1">Оборудование</h6>
          <small class="text-muted">Каталог инвентаря</small>
        </div>
      </a>
    </div>
    
    {% if can_approve %}
    <div class="col-md-6 col-lg-3">
      <a href="{% url 'procurement_frontend:pending_approvals' %}" class="card text-decoration-none h-100">
        <div class="card-body text-center py-4">
          <i class="bi-clipboard-check text-warning fs-1 mb-2 d-block"></i>
          <h6 class="mb-1">Согласование</h6>
          <small class="text-muted">Ожидают решения</small>
        </div>
      </a>
    </div>
    {% endif %}
  </div>

  {# ===== МОЙ БЮДЖЕТ (если есть) ===== #}
  {% if budget %}
  <div class="card mb-4">
    <div class="card-header">
      <h5 class="mb-0">
        <i class="bi-pie-chart me-2"></i>Бюджет отдела на {{ budget.quarter }} кв. {{ budget.year }}
      </h5>
    </div>
    <div class="card-body">
      <div class="proc-budget-amounts">
        <div class="proc-budget-amount">
          <div class="proc-budget-value text-success">{{ budget.allocated_amount|floatformat:0 }} ₽</div>
          <div class="proc-budget-label">Выделено</div>
        </div>
        <div class="proc-budget-amount">
          <div class="proc-budget-value text-danger">{{ budget.spent_amount|floatformat:0 }} ₽</div>
          <div class="proc-budget-label">Потрачено</div>
        </div>
        <div class="proc-budget-amount">
          <div class="proc-budget-value text-warning">{{ budget.reserved_amount|floatformat:0 }} ₽</div>
          <div class="proc-budget-label">Зарезервировано</div>
        </div>
        <div class="proc-budget-amount">
          <div class="proc-budget-value text-primary">{{ budget.available_amount|floatformat:0 }} ₽</div>
          <div class="proc-budget-label">Доступно</div>
        </div>
      </div>
      
      <div class="proc-budget-progress">
        {% with percent=budget.spent_percent %}
        <div class="proc-budget-bar {% if percent > 80 %}danger{% elif percent > 60 %}warning{% else %}safe{% endif %}"
             style="width: {{ percent|floatformat:0 }}%"></div>
        {% endwith %}
      </div>
      <div class="text-end mt-2">
        <small class="text-muted">
          Использовано {{ budget.spent_percent|floatformat:0 }}% бюджета
        </small>
      </div>
    </div>
  </div>
  {% endif %}

  {# ===== ПОСЛЕДНИЕ ЗАЯВКИ ===== #}
  <div class="card mb-4">
    <div class="card-header d-flex align-items-center justify-content-between">
      <h5 class="mb-0">
        <i class="bi-clock-history me-2"></i>Последние заявки
      </h5>
      <a href="{% url 'procurement_frontend:request_list' %}" class="btn btn-sm btn-outline-primary">
        Все заявки <i class="bi-arrow-right"></i>
      </a>
    </div>
    <div class="card-body p-0">
      {% if recent_requests %}
        <div class="proc-table-header d-none d-lg-block">
          <div class="proc-table-row">
            <div class="proc-cell"></div>
            <div class="proc-cell"><h6 class="mb-0 text-secondary">Заявка</h6></div>
            <div class="proc-cell"><h6 class="mb-0 text-secondary">Отдел</h6></div>
            <div class="proc-cell"><h6 class="mb-0 text-secondary">Сумма</h6></div>
            <div class="proc-cell"><h6 class="mb-0 text-secondary">Статус</h6></div>
            <div class="proc-cell"><h6 class="mb-0 text-secondary">Дата</h6></div>
          </div>
        </div>
        
        {% for request in recent_requests %}
        <div class="proc-request-item">
          <div class="proc-urgency-icon {{ request.urgency }}">
            {% if request.urgency == 'critical' %}
              <i class="bi-exclamation-triangle-fill"></i>
            {% elif request.urgency == 'high' %}
              <i class="bi-arrow-up-circle"></i>
            {% elif request.urgency == 'medium' %}
              <i class="bi-dash-circle"></i>
            {% else %}
              <i class="bi-arrow-down-circle"></i>
            {% endif %}
          </div>
          
          <div class="proc-request-info">
            <div class="proc-request-title">
              <a href="{% url 'procurement_frontend:request_detail' request.id %}">{{ request.title }}</a>
            </div>
            <div class="proc-request-desc">{{ request.description|truncatechars:50 }}</div>
          </div>
          
          <div class="proc-request-dept">{{ request.department.name }}</div>
          
          <div class="proc-request-amount">{{ request.estimated_cost|floatformat:0 }} ₽</div>
          
          <div class="proc-request-status">
            {% include "procurement/_status_badge.html" with status=request.status %}
          </div>
          
          <div class="proc-request-date">
            {{ request.created_at|date:"d.m.Y" }}
          </div>
        </div>
        {% endfor %}
      {% else %}
        <div class="text-center py-5 text-muted">
          <i class="bi-inbox fs-1 d-block mb-2"></i>
          <p class="mb-0">Заявок пока нет</p>
        </div>
      {% endif %}
    </div>
  </div>

{# ===== МОДАЛКА СОЗДАНИЯ ===== #}
<div class="modal fade" id="procCreateModal" tabindex="-1" aria-hidden="true">
  <div class="modal-dialog modal-dialog-centered modal-lg">
    <form class="modal-content" id="procCreateForm">
      {% csrf_token %}
      <div class="modal-header">
        <h5 class="modal-title">
          <i class="bi-cart-plus me-2"></i>Новая заявка на закупку
        </h5>
        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Закрыть"></button>
      </div>
      
      <div class="modal-body">
        <div class="row g-3">
          <div class="col-12">
            <label class="form-label">Название заявки <span class="text-danger">*</span></label>
            <input type="text" name="title" class="form-control" 
                   placeholder="Например: Закупка ноутбуков для отдела" required maxlength="255">
          </div>
          
          <div class="col-12">
            <label class="form-label">Описание / обоснование</label>
            <textarea name="description" class="form-control" rows="3" 
                      placeholder="Опишите необходимость закупки..." maxlength="2000"></textarea>
          </div>
          
          <div class="col-md-6">
            <label class="form-label">Срочность <span class="text-danger">*</span></label>
            <select name="urgency" class="form-select" required>
              <option value="low">🟢 Низкая</option>
              <option value="medium" selected>🟡 Средняя</option>
              <option value="high">🟠 Высокая</option>
              <option value="critical">🔴 Критическая</option>
            </select>
          </div>
          
          <div class="col-md-6">
            <label class="form-label">Ориентировочная сумма</label>
            <div class="input-group">
              <input type="number" name="estimated_cost" class="form-control" 
                     placeholder="0" min="0" step="0.01">
              <span class="input-group-text">₽</span>
            </div>
          </div>
          
          <div class="col-12">
            <label class="form-label">Желаемая дата получения</label>
            <input type="date" name="desired_date" class="form-control">
          </div>
        </div>
        
        <div class="alert alert-info mt-3 mb-0">
          <i class="bi-info-circle me-2"></i>
          После создания вы сможете добавить позиции (товары) в заявку.
        </div>
      </div>
      
      <div class="modal-footer">
        <button type="button" class="btn btn-outline-secondary" data-bs-dismiss="modal">Отмена</button>
        <button type="submit" class="btn btn-primary">
          <i class="bi-check-lg me-1"></i>Создать заявку
        </button>
      </div>
    </form>
  </div>
</div>

{% endblock %}

{% block extra_js %}
<script>
  // Обработка создания заявки
  document.getElementById('procCreateForm')?.addEventListener('submit', async (e) => {
    e.preventDefault();
    
    const form = e.target;
    const submitBtn = form.querySelector('[type="submit"]');
    const originalText = submitBtn.innerHTML;
    
    submitBtn.disabled = true;
    submitBtn.innerHTML = '<span class="spinner-border spinner-border-sm me-2"></span>Создание...';
    
    try {
      const formData = new FormData(form);
      const data = {
        title: formData.get('title'),
        description: formData.get('description') || '',
        urgency: formData.get('urgency'),
        estimated_cost: formData.get('estimated_cost') || null,
        desired_date: formData.get('desired_date') || null,
      };
      
      const resp = await fetch('/api/procurement/requests/', {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
          'X-CSRFToken': formData.get('csrfmiddlewaretoken')
        },
        body: JSON.stringify(data)
      });
      
      if (!resp.ok) {
        const err = await resp.json();
        throw new Error(err.detail || JSON.stringify(err));
      }
      
      const request = await resp.json();
      
      // Закрыть модалку
      const modal = bootstrap.Modal.getInstance(document.querySelector('#procCreateModal'));
      modal?.hide();
      
      // Перейти к заявке
      window.location.href = `/procurement/requests/${request.id}/`;
      
    } catch (error) {
      console.error('Error creating request:', error);
      alert('Ошибка создания заявки: ' + error.message);
      submitBtn.disabled = false;
      submitBtn.innerHTML = originalText;
    }
  });
  
  // Автообновление статистики каждые 60 секунд
  setInterval(async () => {
    try {
      const resp = await fetch('/api/procurement/stats/overview/');
      if (resp.ok) {
        const data = await resp.json();
        document.getElementById('statPending').textContent = data.pending || 0;
        document.getElementById('statApproved').textContent = data.approved || 0;
        document.getElementById('statEquipment').textContent = data.equipment || 0;
      }
    } catch (e) {
      console.warn('Stats update failed:', e);
    }
  }, 60000);
</script>
{% endblock %}