@extends('layouts.admin')

@section('title', 'User Management')

@section('content')
<div class="container-fluid">
    <!-- Page Header -->
    <div class="d-flex justify-content-between align-items-center mb-4">
        <div>
            <h1 class="h3 mb-0 text-gray-800">User Management</h1>
            <p class="text-muted">Manage system users and their permissions</p>
        </div>
        <div>
            <a href="{{ route('admin.users.create') }}" class="btn btn-primary">
                <i class="fas fa-plus me-2"></i>Create User
            </a>
        </div>
    </div>

    <!-- Statistics Cards -->
    <div class="row mb-4">
        <div class="col-xl-3 col-md-6 mb-4">
            <div class="card border-left-primary shadow h-100 py-2">
                <div class="card-body">
                    <div class="row no-gutters align-items-center">
                        <div class="col mr-2">
                            <div class="text-xs font-weight-bold text-primary text-uppercase mb-1">
                                Total Users
                            </div>
                            <div class="h5 mb-0 font-weight-bold text-gray-800">
                                {{ $users->total() }}
                            </div>
                        </div>
                        <div class="col-auto">
                            <i class="fas fa-users fa-2x text-gray-300"></i>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <div class="col-xl-3 col-md-6 mb-4">
            <div class="card border-left-success shadow h-100 py-2">
                <div class="card-body">
                    <div class="row no-gutters align-items-center">
                        <div class="col mr-2">
                            <div class="text-xs font-weight-bold text-success text-uppercase mb-1">
                                Active Users
                            </div>
                            <div class="h5 mb-0 font-weight-bold text-gray-800">
                                {{ \App\Models\User::where('status', 'active')->count() }}
                            </div>
                        </div>
                        <div class="col-auto">
                            <i class="fas fa-user-check fa-2x text-gray-300"></i>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <div class="col-xl-3 col-md-6 mb-4">
            <div class="card border-left-info shadow h-100 py-2">
                <div class="card-body">
                    <div class="row no-gutters align-items-center">
                        <div class="col mr-2">
                            <div class="text-xs font-weight-bold text-info text-uppercase mb-1">
                                Applicants
                            </div>
                            <div class="h5 mb-0 font-weight-bold text-gray-800">
                                {{ \App\Models\User::where('role', 'applicant')->count() }}
                            </div>
                        </div>
                        <div class="col-auto">
                            <i class="fas fa-user-graduate fa-2x text-gray-300"></i>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <div class="col-xl-3 col-md-6 mb-4">
            <div class="card border-left-warning shadow h-100 py-2">
                <div class="card-body">
                    <div class="row no-gutters align-items-center">
                        <div class="col mr-2">
                            <div class="text-xs font-weight-bold text-warning text-uppercase mb-1">
                                Administrators
                            </div>
                            <div class="h5 mb-0 font-weight-bold text-gray-800">
                                {{ \App\Models\User::where('role', 'admin')->count() }}
                            </div>
                        </div>
                        <div class="col-auto">
                            <i class="fas fa-user-shield fa-2x text-gray-300"></i>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Filters -->
    <div class="card shadow mb-4">
        <div class="card-header py-3">
            <h6 class="m-0 font-weight-bold text-primary">Filters</h6>
        </div>
        <div class="card-body">
            <form method="GET" action="{{ route('admin.users.index') }}" class="row g-3">
                <div class="col-md-2">
                    <label for="role" class="form-label">Role</label>
                    <select class="form-select" id="role" name="role">
                        <option value="">All Roles</option>
                        <option value="admin" {{ request('role') === 'admin' ? 'selected' : '' }}>Admin</option>
                        <option value="applicant" {{ request('role') === 'applicant' ? 'selected' : '' }}>Applicant</option>
                    </select>
                </div>
                <div class="col-md-2">
                    <label for="status" class="form-label">Status</label>
                    <select class="form-select" id="status" name="status">
                        <option value="">All Statuses</option>
                        <option value="active" {{ request('status') === 'active' ? 'selected' : '' }}>Active</option>
                        <option value="inactive" {{ request('status') === 'inactive' ? 'selected' : '' }}>Inactive</option>
                        <option value="suspended" {{ request('status') === 'suspended' ? 'selected' : '' }}>Suspended</option>
                    </select>
                </div>
                <div class="col-md-2">
                    <label for="date_from" class="form-label">From Date</label>
                    <input type="date" class="form-control" id="date_from" name="date_from" value="{{ request('date_from') }}">
                </div>
                <div class="col-md-2">
                    <label for="date_to" class="form-label">To Date</label>
                    <input type="date" class="form-control" id="date_to" name="date_to" value="{{ request('date_to') }}">
                </div>
                <div class="col-md-3">
                    <label for="search" class="form-label">Search</label>
                    <input type="text" class="form-control" id="search" name="search" 
                           value="{{ request('search') }}" placeholder="Search name, email, phone...">
                </div>
                <div class="col-md-1">
                    <label class="form-label">&nbsp;</label>
                    <div class="d-flex gap-1">
                        <button type="submit" class="btn btn-primary btn-sm">
                            <i class="fas fa-filter"></i>
                        </button>
                        <a href="{{ route('admin.users.index') }}" class="btn btn-outline-secondary btn-sm">
                            <i class="fas fa-times"></i>
                        </a>
                    </div>
                </div>
            </form>
        </div>
    </div>

    <!-- Users Table -->
    <div class="card shadow">
        <div class="card-header py-3 d-flex justify-content-between align-items-center">
            <h6 class="m-0 font-weight-bold text-primary">
                Users ({{ $users->total() }} total)
            </h6>
            <div>
                <button type="button" class="btn btn-sm btn-success" onclick="showBulkActionModal()">
                    <i class="fas fa-tasks me-1"></i>Bulk Actions
                </button>
            </div>
        </div>
        <div class="card-body">
            @if($users->count() > 0)
                <form id="bulkActionForm">
                    <div class="table-responsive">
                        <table class="table table-bordered">
                            <thead>
                                <tr>
                                    <th width="30">
                                        <input type="checkbox" id="selectAll" onchange="toggleSelectAll()">
                                    </th>
                                    <th>User</th>
                                    <th>Role</th>
                                    <th>Status</th>
                                    <th>Applications</th>
                                    <th>Joined</th>
                                    <th>Last Login</th>
                                    <th>Actions</th>
                                </tr>
                            </thead>
                            <tbody>
                                @foreach($users as $user)
                                <tr>
                                    <td>
                                        <input type="checkbox" name="selected_users[]" value="{{ $user->id }}" class="user-checkbox">
                                    </td>
                                    <td>
                                        <div class="d-flex align-items-center">
                                            <div class="avatar-circle me-3">
                                                <i class="fas fa-user"></i>
                                            </div>
                                            <div>
                                                <div class="fw-bold">{{ $user->name }}</div>
                                                <div class="text-muted small">{{ $user->email }}</div>
                                                @if($user->phone)
                                                    <div class="text-muted small">{{ $user->phone }}</div>
                                                @endif
                                            </div>
                                        </div>
                                    </td>
                                    <td>
                                        <span class="badge bg-{{ $user->role === 'admin' ? 'danger' : 'primary' }}">
                                            {{ ucfirst($user->role) }}
                                        </span>
                                    </td>
                                    <td>
                                        @php
                                            $statusColors = [
                                                'active' => 'success',
                                                'inactive' => 'secondary',
                                                'suspended' => 'warning'
                                            ];
                                            $statusColor = $statusColors[$user->status] ?? 'secondary';
                                        @endphp
                                        <span class="badge bg-{{ $statusColor }}">
                                            {{ ucfirst($user->status) }}
                                        </span>
                                    </td>
                                    <td>
                                        @if($user->applications_count > 0)
                                            <span class="badge bg-info">{{ $user->applications_count }}</span>
                                        @else
                                            <span class="text-muted">None</span>
                                        @endif
                                    </td>
                                    <td>{{ $user->created_at->format('M d, Y') }}</td>
                                    <td>
                                        @if($user->last_login_at)
                                            {{ $user->last_login_at->format('M d, Y H:i') }}
                                        @else
                                            <span class="text-muted">Never</span>
                                        @endif
                                    </td>
                                    <td>
                                        <div class="btn-group" role="group">
                                            <a href="{{ route('admin.users.show', $user) }}" 
                                               class="btn btn-sm btn-outline-primary" title="View">
                                                <i class="fas fa-eye"></i>
                                            </a>
                                            <a href="{{ route('admin.users.edit', $user) }}" 
                                               class="btn btn-sm btn-outline-warning" title="Edit">
                                                <i class="fas fa-edit"></i>
                                            </a>
                                            @if($user->role !== 'admin' && $user->applications_count === 0)
                                                <form method="POST" action="{{ route('admin.users.destroy', $user) }}" 
                                                      class="d-inline" onsubmit="return confirm('Are you sure you want to delete this user?')">
                                                    @csrf
                                                    @method('DELETE')
                                                    <button type="submit" class="btn btn-sm btn-outline-danger" title="Delete">
                                                        <i class="fas fa-trash"></i>
                                                    </button>
                                                </form>
                                            @else
                                                <button type="button" class="btn btn-sm btn-outline-danger" disabled 
                                                        title="{{ $user->role === 'admin' ? 'Cannot delete admin users' : 'Cannot delete user with applications' }}">
                                                    <i class="fas fa-trash"></i>
                                                </button>
                                            @endif
                                        </div>
                                    </td>
                                </tr>
                                @endforeach
                            </tbody>
                        </table>
                    </div>
                </form>

                <!-- Pagination -->
                <div class="d-flex justify-content-center">
                    {{ $users->appends(request()->query())->links() }}
                </div>
            @else
                <div class="text-center py-4">
                    <i class="fas fa-users fa-3x text-muted mb-3"></i>
                    <h5 class="text-muted">No users found</h5>
                    <p class="text-muted">No users match your current filters.</p>
                    <a href="{{ route('admin.users.create') }}" class="btn btn-primary">
                        <i class="fas fa-plus me-2"></i>Create First User
                    </a>
                </div>
            @endif
        </div>
    </div>
</div>

<!-- Bulk Action Modal -->
<div class="modal fade" id="bulkActionModal" tabindex="-1">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">Bulk Actions</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <form method="POST" action="{{ route('admin.users.bulk-action') }}">
                @csrf
                <div class="modal-body">
                    <div class="mb-3">
                        <label for="action" class="form-label">Action</label>
                        <select class="form-select" id="action" name="action" required>
                            <option value="">Select Action</option>
                            <option value="activate">Activate Selected Users</option>
                            <option value="deactivate">Deactivate Selected Users</option>
                            <option value="suspend">Suspend Selected Users</option>
                            <option value="delete">Delete Selected 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 all selected users. 
                        Admin users and users with applications cannot be deleted.
                    </div>
                    <div id="selectedUsersContainer"></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">Apply Action</button>
                </div>
            </form>
        </div>
    </div>
</div>

<style>
.avatar-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #f8f9fc;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #5a5c69;
}
</style>

<script>
function toggleSelectAll() {
    const selectAll = document.getElementById('selectAll');
    const checkboxes = document.querySelectorAll('.user-checkbox');
    
    checkboxes.forEach(checkbox => {
        checkbox.checked = selectAll.checked;
    });
}

function showBulkActionModal() {
    const selectedCheckboxes = document.querySelectorAll('.user-checkbox:checked');
    
    if (selectedCheckboxes.length === 0) {
        alert('Please select at least one user to perform bulk actions.');
        return;
    }
    
    // Clear previous selections
    const container = document.getElementById('selectedUsersContainer');
    container.innerHTML = '';
    
    // Add hidden inputs for selected users
    selectedCheckboxes.forEach(checkbox => {
        const input = document.createElement('input');
        input.type = 'hidden';
        input.name = 'user_ids[]';
        input.value = checkbox.value;
        container.appendChild(input);
    });
    
    // Show modal
    const modal = new bootstrap.Modal(document.getElementById('bulkActionModal'));
    modal.show();
}
</script>
@endsection