@extends('layouts.admin')

@section('title', 'Edit User - ' . $user->name)

@section('content')
<div class="d-flex justify-content-between flex-wrap flex-md-nowrap align-items-center pt-3 pb-2 mb-3 border-bottom">
    <h1 class="h2">Edit User</h1>
    <div class="btn-toolbar mb-2 mb-md-0">
        <a href="{{ route('admin.users.show', $user) }}" class="btn btn-sm btn-info me-2">
            <i class="bi bi-eye"></i> View User
        </a>
        <a href="{{ route('admin.users.index') }}" class="btn btn-sm btn-secondary">
            <i class="bi bi-arrow-left"></i> Back to Users
        </a>
    </div>
</div>

<div class="row">
    <div class="col-md-8 offset-md-2">
        <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">Edit User Information</h6>
                <span class="badge {{ $user->role === 'admin' ? 'bg-danger' : ($user->role === 'seller' ? 'bg-primary' : 'bg-secondary') }}">
                    {{ ucfirst($user->role) }}
                </span>
            </div>
            <div class="card-body">
                <form action="{{ route('admin.users.update', $user) }}" method="POST" enctype="multipart/form-data">
                    @csrf
                    @method('PUT')
                    
                    <!-- Profile Image Upload -->
                    <div class="row mb-4">
                        <div class="col-md-12">
                            <label for="profile_image" class="form-label">Profile Image</label>
                            <div class="d-flex align-items-center">
                                <div class="me-3">
                                    <div id="image-preview" class="bg-light border rounded-circle d-flex align-items-center justify-content-center" style="width: 100px; height: 100px;">
                                        @if($user->profile_image)
                                            <img src="{{ asset('storage/' . $user->profile_image) }}" alt="{{ $user->name }}" class="rounded-circle" style="width: 100px; height: 100px; object-fit: cover;">
                                        @else
                                            <i class="bi bi-person-fill text-muted" style="font-size: 2rem;"></i>
                                        @endif
                                    </div>
                                </div>
                                <div class="flex-grow-1">
                                    <input type="file" class="form-control @error('profile_image') is-invalid @enderror" 
                                           id="profile_image" name="profile_image" accept="image/*" onchange="previewImage(event)">
                                    <small class="text-muted">
                                        Upload a new image to replace current. Recommended size: 300x300px. Max file size: 2MB
                                        @if($user->profile_image)
                                            <br><strong>Current:</strong> {{ basename($user->profile_image) }}
                                        @endif
                                    </small>
                                    @error('profile_image')
                                        <div class="invalid-feedback">{{ $message }}</div>
                                    @enderror
                                </div>
                            </div>
                        </div>
                    </div>

                    <div class="row">
                        <!-- Basic Information -->
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label for="name" class="form-label">Full Name <span class="text-danger">*</span></label>
                                <input type="text" class="form-control @error('name') is-invalid @enderror" 
                                       id="name" name="name" value="{{ old('name', $user->name) }}" required>
                                @error('name')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>
                        </div>

                        <div class="col-md-6">
                            <div class="mb-3">
                                <label for="email" class="form-label">Email Address <span class="text-danger">*</span></label>
                                <input type="email" class="form-control @error('email') is-invalid @enderror" 
                                       id="email" name="email" value="{{ old('email', $user->email) }}" required>
                                @error('email')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                                @if($user->email_verified_at)
                                    <small class="text-success">
                                        <i class="bi bi-check-circle-fill"></i> Email verified on {{ $user->email_verified_at->format('M d, Y') }}
                                    </small>
                                @else
                                    <small class="text-warning">
                                        <i class="bi bi-exclamation-circle-fill"></i> Email not verified
                                    </small>
                                @endif
                            </div>
                        </div>
                    </div>

                    <div class="row">
                        <div class="col-md-6">
                            <div class="mb-3">
                                <label for="phone" class="form-label">Phone Number</label>
                                <input type="tel" class="form-control @error('phone') is-invalid @enderror" 
                                       id="phone" name="phone" value="{{ old('phone', $user->phone) }}" placeholder="+1-234-567-8900">
                                @error('phone')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>
                        </div>

                        <div class="col-md-6">
                            <div class="mb-3">
                                <label for="role" class="form-label">User Role <span class="text-danger">*</span></label>
                                <select class="form-control @error('role') is-invalid @enderror" id="role" name="role" required>
                                    <option value="">Select a role</option>
                                    <option value="user" {{ old('role', $user->role) === 'user' ? 'selected' : '' }}>Regular User</option>
                                    <option value="seller" {{ old('role', $user->role) === 'seller' ? 'selected' : '' }}>Business Seller</option>
                                    <option value="admin" {{ old('role', $user->role) === 'admin' ? 'selected' : '' }}>Administrator</option>
                                </select>
                                @error('role')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                                <small class="text-muted">
                                    <strong>User:</strong> Can browse and interact with businesses<br>
                                    <strong>Seller:</strong> Can manage businesses and products<br>
                                    <strong>Admin:</strong> Full system access
                                </small>
                            </div>
                        </div>
                    </div>

                    <!-- Address -->
                    <div class="mb-3">
                        <label for="address" class="form-label">Address</label>
                        <textarea class="form-control @error('address') is-invalid @enderror" 
                                  id="address" name="address" rows="3" placeholder="Enter full address">{{ old('address', $user->address) }}</textarea>
                        @error('address')
                            <div class="invalid-feedback">{{ $message }}</div>
                        @enderror
                    </div>

                    <!-- Password Section -->
                    <div class="card border-secondary mb-4">
                        <div class="card-header bg-light">
                            <h6 class="mb-0">Password Information</h6>
                            <small class="text-muted">Leave blank to keep current password</small>
                        </div>
                        <div class="card-body">
                            <div class="row">
                                <div class="col-md-6">
                                    <div class="mb-3">
                                        <label for="password" class="form-label">New Password</label>
                                        <input type="password" class="form-control @error('password') is-invalid @enderror" 
                                               id="password" name="password">
                                        @error('password')
                                            <div class="invalid-feedback">{{ $message }}</div>
                                        @enderror
                                        <small class="text-muted">Minimum 8 characters (leave blank to keep current)</small>
                                    </div>
                                </div>

                                <div class="col-md-6">
                                    <div class="mb-3">
                                        <label for="password_confirmation" class="form-label">Confirm New Password</label>
                                        <input type="password" class="form-control" 
                                               id="password_confirmation" name="password_confirmation">
                                        <small class="text-muted">Re-enter the new password</small>
                                    </div>
                                </div>
                            </div>

                            <div class="form-check">
                                <input class="form-check-input" type="checkbox" id="email_verified" name="email_verified" 
                                       value="1" {{ $user->email_verified_at ? 'checked' : '' }}>
                                <label class="form-check-label" for="email_verified">
                                    Email is verified
                                </label>
                            </div>
                        </div>
                    </div>

                    <!-- Account Information -->
                    <div class="card border-info mb-4">
                        <div class="card-header bg-light">
                            <h6 class="mb-0">Account Information</h6>
                        </div>
                        <div class="card-body">
                            <div class="row">
                                <div class="col-md-6">
                                    <strong>Account Created:</strong><br>
                                    <span class="text-muted">{{ $user->created_at->format('M d, Y H:i') }}</span>
                                </div>
                                <div class="col-md-6">
                                    <strong>Last Updated:</strong><br>
                                    <span class="text-muted">{{ $user->updated_at->format('M d, Y H:i') }}</span>
                                </div>
                            </div>
                            <hr>
                            <div class="row">
                                <div class="col-md-6">
                                    <strong>Associated Businesses:</strong><br>
                                    <span class="text-primary">{{ $user->businesses->count() }} business(es)</span>
                                </div>
                                <div class="col-md-6">
                                    <strong>Current Role:</strong><br>
                                    <span class="badge {{ $user->role === 'admin' ? 'bg-danger' : ($user->role === 'seller' ? 'bg-primary' : 'bg-secondary') }}">
                                        {{ ucfirst($user->role) }}
                                    </span>
                                </div>
                            </div>
                        </div>
                    </div>

                    <!-- Submit Buttons -->
                    <div class="d-flex justify-content-between">
                        <div>
                            <a href="{{ route('admin.users.show', $user) }}" class="btn btn-info me-2">
                                <i class="bi bi-eye"></i> View User
                            </a>
                            <a href="{{ route('admin.users.index') }}" class="btn btn-secondary">
                                <i class="bi bi-x-circle"></i> Cancel
                            </a>
                        </div>
                        <button type="submit" class="btn btn-primary">
                            <i class="bi bi-check-circle"></i> Update User
                        </button>
                    </div>
                </form>
            </div>
        </div>

        <!-- Danger Zone for non-admin users -->
        @if($user->role !== 'admin')
        <div class="card border-danger mt-4">
            <div class="card-header bg-danger text-white">
                <h6 class="mb-0">Danger Zone</h6>
            </div>
            <div class="card-body">
                <div class="d-flex justify-content-between align-items-center">
                    <div>
                        <strong>Delete User Account</strong><br>
                        <small class="text-muted">
                            This action cannot be undone. This will permanently delete the user account
                            @if($user->businesses->count() > 0)
                                and may affect {{ $user->businesses->count() }} associated business(es).
                            @endif
                        </small>
                    </div>
                    <button type="button" class="btn btn-danger" data-bs-toggle="modal" data-bs-target="#deleteModal">
                        <i class="bi bi-trash"></i> Delete User
                    </button>
                </div>
            </div>
        </div>
        @endif
    </div>
</div>

<!-- Delete Modal -->
@if($user->role !== 'admin')
<div class="modal fade" id="deleteModal" tabindex="-1" aria-labelledby="deleteModalLabel" aria-hidden="true">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header border-danger">
                <h5 class="modal-title text-danger" id="deleteModalLabel">Confirm Delete</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
            </div>
            <div class="modal-body">
                <div class="alert alert-danger">
                    <i class="bi bi-exclamation-triangle-fill"></i>
                    <strong>Warning!</strong> This action cannot be undone.
                </div>
                <p>Are you sure you want to delete user: <strong>{{ $user->name }}</strong>?</p>
                @if($user->businesses->count() > 0)
                <div class="alert alert-warning">
                    <strong>Note:</strong> This user has {{ $user->businesses->count() }} associated business(es). 
                    Deleting this user may affect these businesses.
                </div>
                @endif
                <p><strong>Type the user's email address to confirm:</strong></p>
                <input type="email" id="confirm-email" class="form-control" placeholder="Enter {{ $user->email }}">
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
                <form action="{{ route('admin.users.destroy', $user) }}" method="POST" class="d-inline">
                    @csrf
                    @method('DELETE')
                    <button type="submit" id="confirm-delete" class="btn btn-danger" disabled>Delete User</button>
                </form>
            </div>
        </div>
    </div>
</div>
@endif

<script>
function previewImage(event) {
    const file = event.target.files[0];
    const preview = document.getElementById('image-preview');
    
    if (file) {
        const reader = new FileReader();
        reader.onload = function(e) {
            preview.innerHTML = `<img src="${e.target.result}" alt="Preview" class="rounded-circle" style="width: 100px; height: 100px; object-fit: cover;">`;
        };
        reader.readAsDataURL(file);
    }
}

// Password strength validation
document.getElementById('password').addEventListener('input', function() {
    const password = this.value;
    const confirmation = document.getElementById('password_confirmation');
    
    if (password.length > 0) {
        confirmation.required = true;
    } else {
        confirmation.required = false;
        confirmation.value = '';
    }
});

// Role change handler
document.getElementById('role').addEventListener('change', function() {
    const selectedRole = this.value;
    
    if (selectedRole === 'admin') {
        this.classList.add('border-danger');
        if (!confirm('Are you sure you want to grant administrator privileges to this user?')) {
            this.value = '{{ old('role', $user->role) }}';
            this.classList.remove('border-danger');
        }
    } else {
        this.classList.remove('border-danger');
    }
});

// Delete confirmation
@if($user->role !== 'admin')
document.getElementById('confirm-email').addEventListener('input', function() {
    const deleteBtn = document.getElementById('confirm-delete');
    const userEmail = '{{ $user->email }}';
    
    if (this.value === userEmail) {
        deleteBtn.disabled = false;
        deleteBtn.innerHTML = '<i class="bi bi-trash"></i> Yes, Delete User';
    } else {
        deleteBtn.disabled = true;
        deleteBtn.innerHTML = 'Delete User';
    }
});
@endif
</script>

@endsection