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

{% block title %}{{ group.name }} - Administración{% endblock %}

{% block content %}
<style>
  .group-header {
    background: linear-gradient(135deg, #7a0f0f, #650d0d);
    color: #fff;
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
  }
  
  .group-header h1 {
    margin: 0 0 0.5rem 0;
    font-size: 2rem;
  }
  
  .group-header p {
    margin: 0.5rem 0;
    opacity: 0.95;
  }
  
  .code-box {
    background: rgba(255,255,255,0.2);
    padding: 1.5rem;
    border-radius: 10px;
    margin-top: 1.5rem;
    border: 2px solid rgba(255,255,255,0.3);
  }
  
  .code-box h3 {
    margin: 0 0 0.5rem 0;
    font-size: 0.95rem;
    opacity: 0.9;
  }
  
  .code-display {
    background: #fff;
    color: #7a0f0f;
    padding: 1rem;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 2px;
    text-align: center;
    word-break: break-all;
  }
  
  .copy-btn {
    background: #fff;
    color: #7a0f0f;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 700;
    cursor: pointer;
    margin-top: 1rem;
    transition: transform 0.2s;
  }
  
  .copy-btn:hover {
    transform: translateY(-2px);
  }
  
  .info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
  }
  
  .info-card {
    background: #fff;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.05);
  }
  
  .info-card h3 {
    color: #7a0f0f;
    margin: 0 0 1rem 0;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
  }
  
  .members-list {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.05);
    overflow: hidden;
  }
  
  .members-list h2 {
    color: #7a0f0f;
    padding: 1.5rem;
    margin: 0;
    border-bottom: 2px solid #f5f2f0;
    font-size: 1.2rem;
  }
  
  .member {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #f5f2f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .member:last-child {
    border-bottom: none;
  }
  
  .member-info h4 {
    margin: 0;
    color: #222;
  }
  
  .member-info small {
    color: #999;
    display: block;
    margin-top: 0.3rem;
  }
  
  .badge-admin {
    background: #7a0f0f;
    color: #fff;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
  }
</style>

<div class="group-header">
  <h1>{{ group.name }}</h1>
  {% if group.description %}
    <p>{{ group.description }}</p>
  {% endif %}
  
  <div class="code-box">
    <h3> Código de Acceso del Grupo</h3>
    <p style="margin: 0.5rem 0 0 0; opacity: 0.9;">Comparte este código con tus estudiantes:</p>
    <div class="code-display" id="codeDisplay">{{ access_code.code }}</div>
    <button class="copy-btn" onclick="copiarCodigo()"> Copiar Código</button>
  </div>
</div>

<div class="info-grid">
  <div class="info-card">
    <h3> Total de Miembros</h3>
    <p style="margin: 0; font-size: 2rem; color: #7a0f0f; font-weight: 800;">
      {{ group.get_members_count }}
    </p>
    <small style="color: #999;">Incluye profesor</small>
  </div>
  
  <div class="info-card">
    <h3> Fecha de Creación</h3>
    <p style="margin: 0;">{{ group.created_at|date:"d/m/Y H:i" }}</p>
  </div>
  
  <div class="info-card">
    <h3> Estado</h3>
    <p style="margin: 0;">
      {% if group.is_active %}
        <span style="color: #4caf50;">● Activo</span>
      {% else %}
        <span style="color: #f44336;">● Inactivo</span>
      {% endif %}
    </p>
  </div>
</div>

<div class="members-list">
  <h2>👥 Miembros del Grupo</h2>
  
  <div class="member">
    <div class="member-info">
      <h4>{{ group.admin.first_name }} {{ group.admin.last_name }}</h4>
      <small>{{ group.admin.email }}</small>
    </div>
    <span class="badge-admin">PROFESOR</span>
  </div>
  
  {% for member in members %}
    <div class="member">
      <div class="member-info">
        <h4>{{ member.user.first_name }} {{ member.user.last_name }}</h4>
        <small>{{ member.user.email }} • Unido: {{ member.joined_at|date:"d/m/Y" }}</small>
      </div>
    </div>
  {% empty %}
    <div style="padding: 2rem; text-align: center; color: #999;">
      No hay estudiantes en este grupo aún. Comparte el código para que se unan.
    </div>
  {% endfor %}
</div>

<script>
function copiarCodigo() {
  const codigo = document.getElementById('codeDisplay').innerText;
  navigator.clipboard.writeText(codigo).then(() => {
    alert(' Código copiado al portapapeles: ' + codigo);
  });
}
</script>
{% endblock %}