@extends('layouts.modern')

@section('title', 'Správa rolí - MARKOVI')
@section('breadcrumb-section', 'Administrace')
@section('breadcrumb-page', 'Správa rolí')

@section('content')
<div class="admin-header">
    <div class="admin-header-content">
        <div class="admin-title-section">
            <h1 class="admin-title">
                <i class="fas fa-user-shield"></i>
                Správa rolí
            </h1>
            <p class="admin-subtitle">Spravujte role a oprávnění uživatelů v systému</p>
        </div>
        
        @if(Auth::user()->hasPermission('admin.roles'))
            <div class="admin-actions">
                <a href="{{ route('admin.roles.create') }}" class="btn btn-primary">
                    <i class="fas fa-plus"></i>
                    Vytvořit roli
                </a>
            </div>
        @endif
    </div>
</div>

<!-- Success/Error Messages -->
@if (session('success'))
    <div class="alert alert-success">
        <i class="fas fa-check-circle"></i>
        {{ session('success') }}
    </div>
@endif

@if (session('error') || $errors->has('error'))
    <div class="alert alert-error">
        <i class="fas fa-exclamation-circle"></i>
        {{ session('error') ?? $errors->first('error') }}
    </div>
@endif

<!-- Statistics Cards -->
<div class="stats-grid">
    <div class="stat-card">
        <div class="stat-icon">
            <i class="fas fa-user-shield"></i>
        </div>
        <div class="stat-content">
            <div class="stat-number">{{ $roles->count() }}</div>
            <div class="stat-label">Celkem rolí</div>
        </div>
    </div>
    
    <div class="stat-card">
        <div class="stat-icon">
            <i class="fas fa-check-circle"></i>
        </div>
        <div class="stat-content">
            <div class="stat-number">{{ $activeRoles }}</div>
            <div class="stat-label">Aktivní role</div>
        </div>
    </div>
    
    <div class="stat-card">
        <div class="stat-icon">
            <i class="fas fa-key"></i>
        </div>
        <div class="stat-content">
            <div class="stat-number">{{ $totalPermissions }}</div>
            <div class="stat-label">Celkem oprávnění</div>
        </div>
    </div>
    
    <div class="stat-card">
        <div class="stat-icon">
            <i class="fas fa-users"></i>
        </div>
        <div class="stat-content">
            <div class="stat-number">{{ $roles->sum('users_count') }}</div>
            <div class="stat-label">Přiřazení uživatelé</div>
        </div>
    </div>
</div>

<!-- Roles Table -->
<div class="card">
    <div class="card-header">
        <h3 class="card-title">
            <i class="fas fa-list"></i>
            Seznam rolí
        </h3>
        <div class="card-actions">
            <div class="search-box">
                <input type="text" id="roleSearch" placeholder="Vyhledat role..." class="search-input">
                <i class="fas fa-search search-icon"></i>
            </div>
        </div>
    </div>
    
    <div class="card-body">
        <div class="table-responsive">
            <table class="modern-table" id="rolesTable">
                <thead>
                    <tr>
                        <th>Role</th>
                        <th>Úroveň</th>
                        <th>Uživatelé</th>
                        <th>Oprávnění</th>
                        <th>Stav</th>
                        <th>Vytvořeno</th>
                        <th>Akce</th>
                    </tr>
                </thead>
                <tbody>
                    @foreach($roles as $role)
                        <tr data-role-id="{{ $role->id }}" class="role-row">
                            <td>
                                <div class="role-info">
                                    <div class="role-name">{{ $role->display_name }}</div>
                                    <div class="role-description">{{ $role->description }}</div>
                                    <div class="role-system-name">{{ $role->name }}</div>
                                </div>
                            </td>
                            <td>
                                <div class="level-badge level-{{ $role->level }}">
                                    <i class="fas fa-layer-group"></i>
                                    {{ $role->level }}
                                </div>
                            </td>
                            <td>
                                <div class="users-count">
                                    <i class="fas fa-users"></i>
                                    <span class="count">{{ $role->users_count }}</span>
                                    @if($role->users_count > 0)
                                        <span class="users-label">uživatelů</span>
                                    @else
                                        <span class="users-label text-muted">žádní uživatelé</span>
                                    @endif
                                </div>
                            </td>
                            <td>
                                <button class="btn btn-sm btn-outline-primary permissions-btn" 
                                        data-role-id="{{ $role->id }}"
                                        title="Zobrazit oprávnění">
                                    <i class="fas fa-key"></i>
                                    <span class="permissions-count">{{ $role->permissions->count() }}</span>
                                </button>
                            </td>
                            <td>
                                <div class="status-toggle">
                                    @if(in_array($role->name, ['super_admin', 'admin', 'user', 'guest']))
                                        <span class="status-badge status-system">
                                            <i class="fas fa-lock"></i>
                                            Systémová
                                        </span>
                                    @else
                                        <label class="toggle-switch" title="Aktivovat/Deaktivovat roli">
                                            <input type="checkbox" 
                                                   class="status-toggle-input" 
                                                   data-role-id="{{ $role->id }}"
                                                   {{ $role->is_active ? 'checked' : '' }}>
                                            <span class="toggle-slider"></span>
                                        </label>
                                    @endif
                                </div>
                            </td>
                            <td>
                                <div class="date-info">
                                    <div class="date">{{ $role->created_at->format('d.m.Y') }}</div>
                                    <div class="time">{{ $role->created_at->format('H:i') }}</div>
                                </div>
                            </td>
                            <td>
                                <div class="action-buttons">
                                    <a href="{{ route('admin.roles.show', $role) }}" 
                                       class="btn btn-sm btn-outline-info" 
                                       title="Zobrazit detail">
                                        <i class="fas fa-eye"></i>
                                    </a>
                                    
                                    @if(Auth::user()->hasPermission('admin.roles') && 
                                        ($role->name !== 'super_admin' || Auth::user()->isSuperAdmin()) &&
                                        ($role->level < Auth::user()->role->level || Auth::user()->isSuperAdmin()))
                                        <a href="{{ route('admin.roles.edit', $role) }}" 
                                           class="btn btn-sm btn-outline-warning" 
                                           title="Upravit roli">
                                            <i class="fas fa-edit"></i>
                                        </a>
                                    @endif
                                    
                                    @if(Auth::user()->hasPermission('admin.roles') && 
                                        !in_array($role->name, ['super_admin', 'admin', 'user', 'guest']) &&
                                        $role->users_count === 0 &&
                                        ($role->level < Auth::user()->role->level || Auth::user()->isSuperAdmin()))
                                        <button class="btn btn-sm btn-outline-danger delete-role-btn" 
                                                data-role-id="{{ $role->id }}"
                                                data-role-name="{{ $role->display_name }}"
                                                title="Smazat roli">
                                            <i class="fas fa-trash"></i>
                                        </button>
                                    @endif
                                </div>
                            </td>
                        </tr>
                    @endforeach
                </tbody>
            </table>
        </div>
    </div>
</div>

<!-- Permissions Modal -->
<div id="permissionsModal" class="modal">
    <div class="modal-content">
        <div class="modal-header">
            <h3 class="modal-title">
                <i class="fas fa-key"></i>
                Oprávnění role: <span id="modalRoleName"></span>
            </h3>
            <button class="modal-close" onclick="closePermissionsModal()">
                <i class="fas fa-times"></i>
            </button>
        </div>
        <div class="modal-body">
            <div id="permissionsContent">
                <div class="loading-spinner">
                    <i class="fas fa-spinner fa-spin"></i>
                    Načítám oprávnění...
                </div>
            </div>
        </div>
    </div>
</div>

<!-- Delete Confirmation Modal -->
<div id="deleteModal" class="modal">
    <div class="modal-content modal-sm">
        <div class="modal-header">
            <h3 class="modal-title">
                <i class="fas fa-exclamation-triangle text-danger"></i>
                Potvrzení smazání
            </h3>
        </div>
        <div class="modal-body">
            <p>Opravdu chcete smazat roli <strong id="deleteRoleName"></strong>?</p>
            <p class="text-muted">Tato akce je nevratná.</p>
        </div>
        <div class="modal-footer">
            <button class="btn btn-secondary" onclick="closeDeleteModal()">Zrušit</button>
            <button class="btn btn-danger" id="confirmDeleteBtn">
                <i class="fas fa-trash"></i>
                Smazat
            </button>
        </div>
    </div>
</div>
@endsection

@push('styles')
<style>
.admin-header {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: white;
    padding: var(--space-8) 0;
    margin: calc(var(--space-6) * -1) calc(var(--space-6) * -1) var(--space-8);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.admin-header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-title {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.admin-subtitle {
    margin: var(--space-2) 0 0;
    opacity: 0.9;
    font-size: 1.125rem;
}

.admin-actions .btn {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    backdrop-filter: blur(10px);
}

.admin-actions .btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.stat-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1;
}

.stat-label {
    color: var(--gray-600);
    font-size: 0.875rem;
    margin-top: var(--space-1);
}

.modern-table {
    width: 100%;
    border-collapse: collapse;
}

.modern-table th {
    background: var(--gray-50);
    padding: var(--space-4);
    text-align: left;
    font-weight: 600;
    color: var(--gray-700);
    border-bottom: 2px solid var(--gray-200);
}

.modern-table td {
    padding: var(--space-4);
    border-bottom: 1px solid var(--gray-100);
    vertical-align: top;
}

.modern-table tbody tr:hover {
    background: var(--gray-50);
}

.role-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.role-name {
    font-weight: 600;
    color: var(--gray-900);
    font-size: 1rem;
}

.role-description {
    color: var(--gray-600);
    font-size: 0.875rem;
    line-height: 1.4;
}

.role-system-name {
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    color: var(--gray-500);
    background: var(--gray-100);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    display: inline-block;
    margin-top: var(--space-1);
}

.level-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: white;
}

.level-badge.level-100 { background: linear-gradient(135deg, #dc2626, #b91c1c); }
.level-badge.level-80 { background: linear-gradient(135deg, #ea580c, #c2410c); }
.level-badge.level-60 { background: linear-gradient(135deg, #d97706, #b45309); }
.level-badge.level-40 { background: linear-gradient(135deg, #059669, #047857); }
.level-badge.level-20 { background: linear-gradient(135deg, #0284c7, #0369a1); }
.level-badge.level-10 { background: linear-gradient(135deg, #7c3aed, #6d28d9); }

.users-count {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--gray-600);
}

.users-count .count {
    font-weight: 600;
    color: var(--gray-900);
}

.permissions-btn {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.permissions-count {
    background: var(--primary-100);
    color: var(--primary-700);
    padding: 2px 6px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.status-badge.status-system {
    background: var(--gray-100);
    color: var(--gray-600);
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--gray-300);
    transition: 0.3s;
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: var(--success-500);
}

input:checked + .toggle-slider:before {
    transform: translateX(20px);
}

.date-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.date-info .date {
    font-weight: 500;
    color: var(--gray-900);
}

.date-info .time {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.action-buttons {
    display: flex;
    gap: var(--space-2);
}

.search-box {
    position: relative;
}

.search-input {
    padding: var(--space-2) var(--space-3) var(--space-2) var(--space-10);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    width: 250px;
}

.search-icon {
    position: absolute;
    left: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.modal-content.modal-sm {
    max-width: 400px;
}

.modal-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--gray-400);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--gray-600);
}

.modal-body {
    padding: var(--space-6);
    max-height: 60vh;
    overflow-y: auto;
}

.modal-footer {
    padding: var(--space-6);
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
}

.loading-spinner {
    text-align: center;
    padding: var(--space-8);
    color: var(--gray-500);
}

.permissions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-4);
}

.permission-category {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
}

.category-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--gray-300);
}

.permissions-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.permission-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2);
    background: white;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
}

.permission-check {
    color: var(--success-500);
    font-size: 0.75rem;
}

@media (max-width: 768px) {
    .admin-header-content {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .modern-table {
        font-size: 0.875rem;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .search-input {
        width: 200px;
    }
}
</style>
@endpush

@push('scripts')
<script>
document.addEventListener('DOMContentLoaded', function() {
    // Search functionality
    const searchInput = document.getElementById('roleSearch');
    const tableRows = document.querySelectorAll('.role-row');

    searchInput.addEventListener('input', function() {
        const searchTerm = this.value.toLowerCase();
        
        tableRows.forEach(row => {
            const roleName = row.querySelector('.role-name').textContent.toLowerCase();
            const roleDescription = row.querySelector('.role-description').textContent.toLowerCase();
            const roleSystemName = row.querySelector('.role-system-name').textContent.toLowerCase();
            
            if (roleName.includes(searchTerm) || 
                roleDescription.includes(searchTerm) || 
                roleSystemName.includes(searchTerm)) {
                row.style.display = '';
            } else {
                row.style.display = 'none';
            }
        });
    });

    // Status toggle functionality
    document.querySelectorAll('.status-toggle-input').forEach(toggle => {
        toggle.addEventListener('change', function() {
            const roleId = this.dataset.roleId;
            const isActive = this.checked;
            
            fetch(`/admin/roles/${roleId}/toggle-status`, {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json',
                    'X-CSRF-TOKEN': document.querySelector('meta[name="csrf-token"]').getAttribute('content')
                }
            })
            .then(response => response.json())
            .then(data => {
                if (data.success) {
                    showNotification(data.message, 'success');
                } else {
                    this.checked = !isActive; // Revert toggle
                    showNotification(data.error, 'error');
                }
            })
            .catch(error => {
                this.checked = !isActive; // Revert toggle
                showNotification('Došlo k chybě při změně stavu role.', 'error');
            });
        });
    });

    // Permissions modal
    document.querySelectorAll('.permissions-btn').forEach(btn => {
        btn.addEventListener('click', function() {
            const roleId = this.dataset.roleId;
            const roleName = this.closest('tr').querySelector('.role-name').textContent;
            
            document.getElementById('modalRoleName').textContent = roleName;
            document.getElementById('permissionsModal').style.display = 'block';
            
            // Load permissions
            fetch(`/admin/roles/${roleId}/permissions`)
            .then(response => response.json())
            .then(data => {
                displayPermissions(data.permissions);
            })
            .catch(error => {
                document.getElementById('permissionsContent').innerHTML = 
                    '<div class="error-message">Chyba při načítání oprávnění.</div>';
            });
        });
    });

    // Delete role functionality
    document.querySelectorAll('.delete-role-btn').forEach(btn => {
        btn.addEventListener('click', function() {
            const roleId = this.dataset.roleId;
            const roleName = this.dataset.roleName;
            
            document.getElementById('deleteRoleName').textContent = roleName;
            document.getElementById('deleteModal').style.display = 'block';
            
            document.getElementById('confirmDeleteBtn').onclick = function() {
                deleteRole(roleId);
            };
        });
    });
});

function displayPermissions(permissions) {
    let html = '<div class="permissions-grid">';
    
    for (const [category, categoryPermissions] of Object.entries(permissions)) {
        const firstPermission = categoryPermissions[0];
        html += `
            <div class="permission-category">
                <h5 class="category-title">
                    <i class="${firstPermission.icon_class}"></i>
                    ${firstPermission.category_display_name}
                </h5>
                <div class="permissions-list">
        `;
        
        categoryPermissions.forEach(permission => {
            html += `
                <div class="permission-item">
                    <i class="fas fa-check permission-check"></i>
                    <span>${permission.display_name}</span>
                </div>
            `;
        });
        
        html += '</div></div>';
    }
    
    html += '</div>';
    document.getElementById('permissionsContent').innerHTML = html;
}

function closePermissionsModal() {
    document.getElementById('permissionsModal').style.display = 'none';
}

function closeDeleteModal() {
    document.getElementById('deleteModal').style.display = 'none';
}

function deleteRole(roleId) {
    const form = document.createElement('form');
    form.method = 'POST';
    form.action = `/admin/roles/${roleId}`;
    
    const methodInput = document.createElement('input');
    methodInput.type = 'hidden';
    methodInput.name = '_method';
    methodInput.value = 'DELETE';
    
    const tokenInput = document.createElement('input');
    tokenInput.type = 'hidden';
    tokenInput.name = '_token';
    tokenInput.value = document.querySelector('meta[name="csrf-token"]').getAttribute('content');
    
    form.appendChild(methodInput);
    form.appendChild(tokenInput);
    document.body.appendChild(form);
    form.submit();
}

function showNotification(message, type) {
    const notification = document.createElement('div');
    notification.className = `alert alert-${type}`;
    notification.innerHTML = `
        <i class="fas fa-${type === 'success' ? 'check-circle' : 'exclamation-circle'}"></i>
        ${message}
    `;
    
    document.querySelector('.admin-header').after(notification);
    
    setTimeout(() => {
        notification.remove();
    }, 5000);
}

// Close modals when clicking outside
window.addEventListener('click', function(event) {
    const permissionsModal = document.getElementById('permissionsModal');
    const deleteModal = document.getElementById('deleteModal');
    
    if (event.target === permissionsModal) {
        closePermissionsModal();
    }
    
    if (event.target === deleteModal) {
        closeDeleteModal();
    }
});
</script>
@endpush