{% extends "base.html" %}

{% block title %}{{ gettext('Students') }}{% endblock %}

{% block content %}
<div class="container-fluid">
    <div class="row">
        <div class="col-12">
            <h1 class="page-title">{{ gettext('Students') }}</h1>
            
            <div class="mb-4">
                <div class="d-flex justify-content-between align-items-center">
                    <div>
                        <p class="text-muted">{{ gettext('Total students:') }} {{ total_students }}</p>
                    </div>
                    <div class="btn-group" role="group">
                        <a href="{{ url_for('add_student') }}" class="btn btn-primary">
                            <i class="bi bi-plus-circle"></i> {{ gettext('Add Student') }}
                        </a>
                        <a href="{{ url_for('import_students') }}" class="btn btn-secondary">
                            <i class="bi bi-upload"></i> {{ gettext('Import CSV') }}
                        </a>
                    </div>
                </div>
            </div>
            
            <!-- Search and Filter Form -->
            <div class="card mb-4">
                <div class="card-header">
                    <h5 class="mb-0">{{ gettext('Search & Filter') }}</h5>
                </div>
                <div class="card-body">
                    <form method="get" action="{{ url_for('list_students') }}" class="row g-3">
                        <div class="col-md-4">
                            <label for="search" class="form-label">{{ gettext('Search') }}</label>
                            <input type="text" class="form-control" id="search" name="search" 
                                   value="{{ search }}" placeholder="{{ gettext('Name, CIAL, NIF...') }}">
                        </div>
                        <div class="col-md-2">
                            <label for="gender" class="form-label">{{ gettext('Gender') }}</label>
                            <select class="form-select" id="gender" name="gender">
                                <option value="">{{ gettext('All') }}</option>
                                {% for g in genders %}
                                <option value="{{ g }}" {% if gender == g %}selected{% endif %}>{{ g }}</option>
                                {% endfor %}
                            </select>
                        </div>
                        <div class="col-md-3">
                            <label for="group" class="form-label">{{ gettext('Study Group') }}</label>
                            <select class="form-select" id="group" name="group">
                                <option value="">{{ gettext('All') }}</option>
                                {% for g in groups %}
                                <option value="{{ g }}" {% if group == g %}selected{% endif %}>{{ g }}</option>
                                {% endfor %}
                            </select>
                        </div>
                        <div class="col-md-2 d-flex align-items-end">
                            <button type="submit" class="btn btn-primary w-100">
                                <i class="bi bi-search"></i> {{ gettext('Search') }}
                            </button>
                        </div>
                        <div class="col-md-1 d-flex align-items-end">
                            <a href="{{ url_for('list_students') }}" class="btn btn-secondary w-100">
                                <i class="bi bi-x-circle"></i> {{ gettext('Clear') }}
                            </a>
                        </div>
                    </form>
                </div>
            </div>
            
            <!-- Students Table -->
            <div class="card">
                <div class="card-header">
                    <h5 class="mb-0">{{ gettext('Student List') }}</h5>
                </div>
                <div class="card-body p-0">
                    <div class="table-responsive">
                        <table class="table table-striped table-hover mb-0">
                            <thead class="table-light">
                                <tr>
                                    <th>{{ gettext('ID') }}</th>
                                    <th>{{ gettext('Name') }}</th>
                                    <th>{{ gettext('CIAL Code') }}</th>
                                    <th>{{ gettext('NIF/NIE') }}</th>
                                    <th>{{ gettext('Gender') }}</th>
                                    <th>{{ gettext('Study Group') }}</th>
                                    <th>{{ gettext('Birth Date') }}</th>
                                    <th class="text-end">{{ gettext('Actions') }}</th>
                                </tr>
                            </thead>
                            <tbody>
                                {% if students %}
                                    {% for student in students %}
                                    <tr>
                                        <td>{{ student.id }}</td>
                                        <td>
                                            <a href="{{ url_for('student_detail', student_id=student.id) }}">
                                                {{ student.last_name }}, {{ student.first_name }}
                                            </a>
                                        </td>
                                        <td>{{ student.cial_code }}</td>
                                        <td>{{ student.nif_nie_passport or '-' }}</td>
                                        <td>{{ student.gender or '-' }}</td>
                                        <td>{{ student.study_group or '-' }}</td>
                                        <td>{{ student.birth_date or '-' }}</td>
                                        <td class="text-end">
                                            <div class="btn-group btn-group-sm" role="group">
                                                <a href="{{ url_for('student_detail', student_id=student.id) }}" 
                                                   class="btn btn-info btn-sm" title="{{ gettext('View') }}">
                                                    <i class="bi bi-eye"></i>
                                                </a>
                                                <a href="{{ url_for('edit_student', student_id=student.id) }}" 
                                                   class="btn btn-warning btn-sm" title="{{ gettext('Edit') }}">
                                                    <i class="bi bi-pencil"></i>
                                                </a>
                                                <a href="{{ url_for('delete_student', student_id=student.id) }}" 
                                                   class="btn btn-danger btn-sm" 
                                                   onclick="return confirm('{{ gettext('Are you sure you want to delete this student?') }}')" 
                                                   title="{{ gettext('Delete') }}">
                                                    <i class="bi bi-trash"></i>
                                                </a>
                                            </div>
                                        </td>
                                    </tr>
                                    {% endfor %}
                                {% else %}
                                    <tr>
                                        <td colspan="8" class="text-center text-muted">
                                            {{ gettext('No students found') }}
                                        </td>
                                    </tr>
                                {% endif %}
                            </tbody>
                        </table>
                    </div>
                </div>
                
                <!-- Pagination -->
                {% if total_pages > 1 %}
                <div class="card-footer">
                    <nav aria-label="Page navigation">
                        <ul class="pagination justify-content-center mb-0">
                            {% if page > 1 %}
                            <li class="page-item">
                                <a class="page-link" href="?page={{ page - 1 }}&search={{ search }}&gender={{ gender }}&group={{ group }}">
                                    {{ gettext('Previous') }}
                                </a>
                            </li>
                            {% endif %}
                            
                            {% for p in range(1, total_pages + 1) %}
                                {% if p == page %}
                                <li class="page-item active"><span class="page-link">{{ p }}</span></li>
                                {% elif p <= 3 or p > total_pages - 3 or (p >= page - 2 and p <= page + 2) %}
                                <li class="page-item">
                                    <a class="page-link" href="?page={{ p }}&search={{ search }}&gender={{ gender }}&group={{ group }}">{{ p }}</a>
                                </li>
                                {% elif p == 4 or p == total_pages - 3 %}
                                <li class="page-item disabled"><span class="page-link">...</span></li>
                                {% endif %}
                            {% endfor %}
                            
                            {% if page < total_pages %}
                            <li class="page-item">
                                <a class="page-link" href="?page={{ page + 1 }}&search={{ search }}&gender={{ gender }}&group={{ group }}">
                                    {{ gettext('Next') }}
                                </a>
                            </li>
                            {% endif %}
                        </ul>
                    </nav>
                    <div class="text-muted text-center mt-2">
                        {{ gettext('Showing') }} {{ (page - 1) * per_page + 1 }}-
                        {{ min(page * per_page, total_students) }} {{ gettext('of') }} {{ total_students }}
                    </div>
                </div>
                {% endif %}
            </div>
        </div>
    </div>
</div>
{% endblock %}