{% extends 'accounts/base.html' %}
{% load static %}

{% block title %}User List - Ad-tlas{% endblock %}

{% block breadcrumb_items %}
    <li class="breadcrumb-item active">Users</li>
{% endblock %}

{% block page_title %}
    <i class="fas fa-users me-2"></i>User Management
{% endblock %}

{% block page_actions %}
    <div class="btn-group" role="group">
        {% if user.is_staff %}
            <a href="{% url 'accounts:user_create' %}" class="btn btn-primary">
                <i class="fas fa-plus me-1"></i>Add User
            </a>
            <a href="{% url 'accounts:user_export' %}" class="btn btn-outline-secondary">
                <i class="fas fa-download me-1"></i>Export
            </a>
            <button type="button" class="btn btn-outline-info" data-bs-toggle="modal" data-bs-target="#importModal">
                <i class="fas fa-upload me-1"></i>Import
            </button>
        {% endif %}
    </div>
{% endblock %}

{% block content %}
<div class="row">
    <!-- Filters Sidebar -->
    <div class="col-lg-3 mb-4">
        <div class="card">
            <div class="card-header">
                <h5 class="card-title mb-0">
                    <i class="fas fa-filter me-2"></i>Filters
                </h5>
            </div>
            <div class="card-body">
                <form method="get" id="filterForm">
                    <!-- Search -->
                    <div class="mb-3">
                        <label for="search" class="form-label">Search</label>
                        <input type="text" class="form-control" id="search" name="search" 
                               value="{{ request.GET.search }}" placeholder="Name, email...">
                    </div>
                    
                    <!-- Status Filter -->
                    <div class="mb-3">
                        <label for="status" class="form-label">Status</label>
                        <select class="form-select" id="status" name="status">
                            <option value="">All Users</option>
                            <option value="active" {% if request.GET.status == 'active' %}selected{% endif %}>Active</option>
                            <option value="inactive" {% if request.GET.status == 'inactive' %}selected{% endif %}>Inactive</option>
                        </select>
                    </div>
                    
                    <!-- Role Filter -->
                    <div class="mb-3">
                        <label for="role" class="form-label">Role</label>
                        <select class="form-select" id="role" name="role">
                            <option value="">All Roles</option>
                            <option value="superuser" {% if request.GET.role == 'superuser' %}selected{% endif %}>Superuser</option>
                            <option value="staff" {% if request.GET.role == 'staff' %}selected{% endif %}>Staff</option>
                            <option value="user" {% if request.GET.role == 'user' %}selected{% endif %}>Regular User</option>
                        </select>
                    </div>
                    
                    <!-- Date Range -->
                    <div class="mb-3">
                        <label for="date_joined_from" class="form-label">Joined From</label>
                        <input type="date" class="form-control" id="date_joined_from" name="date_joined_from" 
                               value="{{ request.GET.date_joined_from }}">
                    </div>
                    
                    <div class="mb-3">
                        <label for="date_joined_to" class="form-label">Joined To</label>
                        <input type="date" class="form-control" id="date_joined_to" name="date_joined_to" 
                               value="{{ request.GET.date_joined_to }}">
                    </div>
                    
                    <div class="d-grid gap-2">
                        <button type="submit" class="btn btn-primary">
                            <i class="fas fa-search me-1"></i>Apply Filters
                        </button>
                        <a href="{% url 'accounts:user_list' %}" class="btn btn-outline-secondary">
                            <i class="fas fa-times me-1"></i>Clear
                        </a>
                    </div>
                </form>
            </div>
        </div>
        
        <!-- Quick Stats -->
        <div class="card mt-3">
            <div class="card-header">
                <h5 class="card-title mb-0">
                    <i class="fas fa-chart-bar me-2"></i>Quick Stats
                </h5>
            </div>
            <div class="card-body">
                <div class="row text-center">
                    <div class="col-6">
                        <div class="border-end">
                            <h4 class="text-primary mb-0">{{ total_users }}</h4>
                            <small class="text-muted">Total Users</small>
                        </div>
                    </div>
                    <div class="col-6">
                        <h4 class="text-success mb-0">{{ active_users }}</h4>
                        <small class="text-muted">Active Users</small>
                    </div>
                </div>
                <hr>
                <div class="row text-center">
                    <div class="col-6">
                        <div class="border-end">
                            <h4 class="text-warning mb-0">{{ staff_users }}</h4>
                            <small class="text-muted">Staff Users</small>
                        </div>
                    </div>
                    <div class="col-6">
                        <h4 class="text-info mb-0">{{ new_users_today }}</h4>
                        <small class="text-muted">New Today</small>
                    </div>
                </div>
            </div>
        </div>
    </div>
    
    <!-- Users Table -->
    <div class="col-lg-9">
        <div class="card">
            <div class="card-header d-flex justify-content-between align-items-center">
                <h5 class="card-title mb-0">Users ({{ page_obj.paginator.count }})</h5>
                
                {% if user.is_staff %}
                    <div class="btn-group btn-group-sm">
                        <button type="button" class="btn btn-outline-primary" id="selectAllBtn">
                            <i class="fas fa-check-square me-1"></i>Select All
                        </button>
                        <button type="button" class="btn btn-outline-secondary" id="bulkActionBtn" disabled>
                            <i class="fas fa-cogs me-1"></i>Bulk Actions
                        </button>
                    </div>
                {% endif %}
            </div>
            
            <div class="card-body p-0">
                {% if users %}
                    <div class="table-responsive">
                        <table class="table table-hover mb-0">
                            <thead class="table-light">
                                <tr>
                                    {% if user.is_staff %}
                                        <th width="40">
                                            <input type="checkbox" id="selectAll" class="form-check-input">
                                        </th>
                                    {% endif %}
                                    <th>User</th>
                                    <th>Email</th>
                                    <th>Role</th>
                                    <th>Status</th>
                                    <th>Joined</th>
                                    <th>Last Login</th>
                                    <th width="120">Actions</th>
                                </tr>
                            </thead>
                            <tbody>
                                {% for user_item in users %}
                                    <tr data-user-id="{{ user_item.id }}">
                                        {% if user.is_staff %}
                                            <td>
                                                <input type="checkbox" class="form-check-input user-checkbox" 
                                                       value="{{ user_item.id }}">
                                            </td>
                                        {% endif %}
                                        <td>
                                            <div class="d-flex align-items-center">
                                                {% if user_item.avatar %}
                                                    <img src="{{ user_item.avatar.url }}" alt="Avatar" 
                                                         class="rounded-circle me-2" width="32" height="32">
                                                {% else %}
                                                    <div class="bg-secondary rounded-circle d-flex align-items-center justify-content-center me-2" 
                                                         style="width: 32px; height: 32px;">
                                                        <i class="fas fa-user text-white"></i>
                                                    </div>
                                                {% endif %}
                                                <div>
                                                    <div class="fw-bold">{{ user_item.get_full_name|default:"No Name" }}</div>
                                                    <small class="text-muted">ID: {{ user_item.id }}</small>
                                                </div>
                                            </div>
                                        </td>
                                        <td>{{ user_item.email }}</td>
                                        <td>
                                            {% if user_item.is_superuser %}
                                                <span class="badge bg-danger">Superuser</span>
                                            {% elif user_item.is_staff %}
                                                <span class="badge bg-warning">Staff</span>
                                            {% else %}
                                                <span class="badge bg-info">User</span>
                                            {% endif %}
                                        </td>
                                        <td>
                                            {% if user_item.is_active %}
                                                <span class="badge bg-success">
                                                    <i class="fas fa-check me-1"></i>Active
                                                </span>
                                            {% else %}
                                                <span class="badge bg-secondary">
                                                    <i class="fas fa-times me-1"></i>Inactive
                                                </span>
                                            {% endif %}
                                        </td>
                                        <td>
                                            <small>{{ user_item.date_joined|date:"M d, Y" }}</small>
                                        </td>
                                        <td>
                                            {% if user_item.last_login %}
                                                <small>{{ user_item.last_login|date:"M d, Y" }}</small>
                                            {% else %}
                                                <small class="text-muted">Never</small>
                                            {% endif %}
                                        </td>
                                        <td>
                                            <div class="btn-group btn-group-sm" role="group">
                                                <a href="{% url 'accounts:user_detail' user_item.pk %}" 
                                                   class="btn btn-outline-info" title="View">
                                                    <i class="fas fa-eye"></i>
                                                </a>
                                                {% if user.is_staff %}
                                                    <a href="{% url 'accounts:user_update' user_item.pk %}" 
                                                       class="btn btn-outline-primary" title="Edit">
                                                        <i class="fas fa-edit"></i>
                                                    </a>
                                                    <button type="button" class="btn btn-outline-secondary toggle-status-btn" 
                                                            data-user-id="{{ user_item.id }}" 
                                                            data-current-status="{{ user_item.is_active|yesno:'true,false' }}" 
                                                            title="Toggle Status">
                                                        {% if user_item.is_active %}
                                                            <i class="fas fa-user-slash"></i>
                                                        {% else %}
                                                            <i class="fas fa-user-check"></i>
                                                        {% endif %}
                                                    </button>
                                                {% endif %}
                                            </div>
                                        </td>
                                    </tr>
                                {% endfor %}
                            </tbody>
                        </table>
                    </div>
                    
                    <!-- Pagination -->
                    {% if page_obj.has_other_pages %}
                        <div class="card-footer">
                            <nav aria-label="User pagination">
                                <ul class="pagination pagination-sm justify-content-center mb-0">
                                    {% if page_obj.has_previous %}
                                        <li class="page-item">
                                            <a class="page-link" href="?{% for key, value in request.GET.items %}{% if key != 'page' %}{{ key }}={{ value }}&{% endif %}{% endfor %}page=1">
                                                <i class="fas fa-angle-double-left"></i>
                                            </a>
                                        </li>
                                        <li class="page-item">
                                            <a class="page-link" href="?{% for key, value in request.GET.items %}{% if key != 'page' %}{{ key }}={{ value }}&{% endif %}{% endfor %}page={{ page_obj.previous_page_number }}">
                                                <i class="fas fa-angle-left"></i>
                                            </a>
                                        </li>
                                    {% endif %}
                                    
                                    {% for num in page_obj.paginator.page_range %}
                                        {% if page_obj.number == num %}
                                            <li class="page-item active">
                                                <span class="page-link">{{ num }}</span>
                                            </li>
                                        {% elif num > page_obj.number|add:'-3' and num < page_obj.number|add:'3' %}
                                            <li class="page-item">
                                                <a class="page-link" href="?{% for key, value in request.GET.items %}{% if key != 'page' %}{{ key }}={{ value }}&{% endif %}{% endfor %}page={{ num }}">{{ num }}</a>
                                            </li>
                                        {% endif %}
                                    {% endfor %}
                                    
                                    {% if page_obj.has_next %}
                                        <li class="page-item">
                                            <a class="page-link" href="?{% for key, value in request.GET.items %}{% if key != 'page' %}{{ key }}={{ value }}&{% endif %}{% endfor %}page={{ page_obj.next_page_number }}">
                                                <i class="fas fa-angle-right"></i>
                                            </a>
                                        </li>
                                        <li class="page-item">
                                            <a class="page-link" href="?{% for key, value in request.GET.items %}{% if key != 'page' %}{{ key }}={{ value }}&{% endif %}{% endfor %}page={{ page_obj.paginator.num_pages }}">
                                                <i class="fas fa-angle-double-right"></i>
                                            </a>
                                        </li>
                                    {% endif %}
                                </ul>
                            </nav>
                            
                            <div class="text-center mt-2">
                                <small class="text-muted">
                                    Showing {{ page_obj.start_index }} to {{ page_obj.end_index }} of {{ page_obj.paginator.count }} users
                                </small>
                            </div>
                        </div>
                    {% endif %}
                {% else %}
                    <div class="text-center py-5">
                        <i class="fas fa-users fa-3x text-muted mb-3"></i>
                        <h5 class="text-muted">No users found</h5>
                        <p class="text-muted">Try adjusting your search criteria or add a new user.</p>
                        {% if user.is_staff %}
                            <a href="{% url 'accounts:user_create' %}" class="btn btn-primary">
                                <i class="fas fa-plus me-1"></i>Add First User
                            </a>
                        {% endif %}
                    </div>
                {% endif %}
            </div>
        </div>
    </div>
</div>

<!-- Bulk Actions Modal -->
{% if user.is_staff %}
    <div class="modal fade" id="bulkActionModal" tabindex="-1">
        <div class="modal-dialog">
            <div class="modal-content">
                <div class="modal-header">
                    <h5 class="modal-title">
                        <i class="fas fa-cogs me-2"></i>Bulk Actions
                    </h5>
                    <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                </div>
                <form method="post" action="{% url 'accounts:bulk_action' %}" id="bulkActionForm">
                    {% csrf_token %}
                    <div class="modal-body">
                        <div class="mb-3">
                            <label for="bulkAction" class="form-label">Select Action</label>
                            <select class="form-select" id="bulkAction" name="action" required>
                                <option value="">Choose an action...</option>
                                <option value="activate">Activate Users</option>
                                <option value="deactivate">Deactivate Users</option>
                                <option value="delete">Delete Users</option>
                                <option value="export">Export Users</option>
                            </select>
                        </div>
                        
                        <div class="alert alert-warning">
                            <i class="fas fa-exclamation-triangle me-2"></i>
                            <strong>Warning:</strong> This action will be applied to <span id="selectedCount">0</span> selected users.
                        </div>
                        
                        <input type="hidden" id="selectedUsers" name="user_ids">
                    </div>
                    <div class="modal-footer">
                        <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
                        <button type="submit" class="btn btn-primary">
                            <i class="fas fa-check me-1"></i>Execute Action
                        </button>
                    </div>
                </form>
            </div>
        </div>
    </div>
    
    <!-- Import Modal -->
    <div class="modal fade" id="importModal" tabindex="-1">
        <div class="modal-dialog">
            <div class="modal-content">
                <div class="modal-header">
                    <h5 class="modal-title">
                        <i class="fas fa-upload me-2"></i>Import Users
                    </h5>
                    <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                </div>
                <form method="post" action="{% url 'accounts:user_import' %}" enctype="multipart/form-data">
                    {% csrf_token %}
                    <div class="modal-body">
                        <div class="mb-3">
                            <label for="importFile" class="form-label">Select File</label>
                            <input type="file" class="form-control" id="importFile" name="file" 
                                   accept=".csv,.xlsx,.json" required>
                            <div class="form-text">
                                Supported formats: CSV, Excel (.xlsx), JSON
                            </div>
                        </div>
                        
                        <div class="alert alert-info">
                            <i class="fas fa-info-circle me-2"></i>
                            <strong>CSV Format:</strong> email, first_name, last_name, is_active, is_staff
                        </div>
                    </div>
                    <div class="modal-footer">
                        <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
                        <button type="submit" class="btn btn-primary">
                            <i class="fas fa-upload me-1"></i>Import Users
                        </button>
                    </div>
                </form>
            </div>
        </div>
    </div>
{% endif %}
{% endblock %}

{% block extra_js %}
<script>
$(document).ready(function() {
    // Auto-submit filter form on change
    $('#filterForm select, #filterForm input[type="date"]').change(function() {
        $('#filterForm').submit();
    });
    
    // Search with delay
    let searchTimeout;
    $('#search').on('input', function() {
        clearTimeout(searchTimeout);
        searchTimeout = setTimeout(function() {
            $('#filterForm').submit();
        }, 500);
    });
    
    // Select all functionality
    $('#selectAll').change(function() {
        $('.user-checkbox').prop('checked', this.checked);
        updateBulkActionButton();
    });
    
    $('.user-checkbox').change(function() {
        updateBulkActionButton();
        
        // Update select all checkbox
        const totalCheckboxes = $('.user-checkbox').length;
        const checkedCheckboxes = $('.user-checkbox:checked').length;
        $('#selectAll').prop('checked', totalCheckboxes === checkedCheckboxes);
    });
    
    function updateBulkActionButton() {
        const checkedCount = $('.user-checkbox:checked').length;
        $('#bulkActionBtn').prop('disabled', checkedCount === 0);
        $('#selectedCount').text(checkedCount);
    }
    
    // Bulk action button click
    $('#bulkActionBtn').click(function() {
        const selectedIds = $('.user-checkbox:checked').map(function() {
            return this.value;
        }).get();
        
        $('#selectedUsers').val(selectedIds.join(','));
        $('#bulkActionModal').modal('show');
    });
    
    // Toggle user status
    $('.toggle-status-btn').click(function() {
        const userId = $(this).data('user-id');
        const currentStatus = $(this).data('current-status');
        const button = $(this);
        
        $.ajax({
            url: `/accounts/ajax/users/${userId}/toggle-status/`,
            type: 'POST',
            headers: {
                'X-CSRFToken': $('[name=csrfmiddlewaretoken]').val()
            },
            success: function(response) {
                if (response.success) {
                    location.reload();
                } else {
                    alert('Error: ' + response.message);
                }
            },
            error: function() {
                alert('An error occurred while updating user status.');
            }
        });
    });
});
</script>
{% endblock %}