@extends('layouts.app')

@section('title', 'Edit Department')

@section('content')
<div class="container-fluid">
    <!-- Page Header -->
    <div class="row mb-4">
        <div class="col-12">
            <div class="card border-0 shadow-sm">
                <div class="card-header bg-warning text-white">
                    <div class="row align-items-center">
                        <div class="col-md-8">
                            <h2 class="mb-0">
                                <i class="fas fa-edit mr-2"></i>
                                Edit Department - {{ $department->name }}
                            </h2>
                            <p class="mb-0 mt-2 opacity-75">Update department information and details</p>
                        </div>
                        <div class="col-md-4 text-right">
                            <a href="{{ route('departments.show', $department) }}" class="btn btn-info mr-2">
                                <i class="fas fa-eye mr-2"></i> View
                            </a>
                            <a href="{{ route('departments.index') }}" class="btn btn-light">
                                <i class="fas fa-arrow-left mr-2"></i> Back to Departments
                            </a>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Form Card -->
    <div class="row">
        <div class="col-12">
            <div class="card border-0 shadow-sm">
                <div class="card-body">
                    @if(session('error'))
                        <div class="alert alert-danger alert-dismissible fade show" role="alert">
                            <i class="fas fa-exclamation-triangle mr-2"></i>
                            {{ session('error') }}
                            <button type="button" class="close" data-dismiss="alert">
                                <span>&times;</span>
                            </button>
                        </div>
                    @endif
                    
                    <form action="{{ route('departments.update', $department) }}" method="POST">
                        @csrf
                        @method('PUT')
                        
                        <!-- Basic Information -->
                        <div class="row mb-4">
                            <div class="col-12">
                                <h5 class="text-warning border-bottom pb-2 mb-3">
                                    <i class="fas fa-info-circle mr-2"></i>Basic Information
                                </h5>
                            </div>
                        </div>

                        <div class="row">
                            <div class="col-md-6 mb-3">
                                <label for="isp_id" class="form-label font-weight-bold">
                                    <i class="fas fa-building mr-2"></i>Select ISP <span class="text-danger">*</span>
                                </label>
                                @if($isps->count() > 0)
                                    @if($isps->count() == 1)
                                        @php $isp = $isps->first(); @endphp
                                        <input type="hidden" name="isp_id" value="{{ $isp->id }}">
                                        <div class="form-control-plaintext bg-light p-2 rounded">
                                            <i class="fas fa-building mr-2"></i>
                                            <strong>{{ $isp->name }}</strong> ({{ $isp->code }})
                                        </div>
                                    @else
                                        <select class="form-control @error('isp_id') is-invalid @enderror" 
                                                id="isp_id" name="isp_id" required>
                                            <option value="">Select ISP</option>
                                            @foreach($isps as $isp)
                                                <option value="{{ $isp->id }}" {{ old('isp_id', $department->isp_id) == $isp->id ? 'selected' : '' }}>
                                                    {{ $isp->name }} ({{ $isp->code }})
                                                </option>
                                            @endforeach
                                        </select>
                                    @endif
                                @else
                                    <div class="alert alert-warning">
                                        <i class="fas fa-exclamation-triangle mr-2"></i>
                                        No ISP/Branch assigned to your account. Please contact administrator.
                                    </div>
                                @endif
                                @error('isp_id')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                                <small class="form-text text-muted">Select the ISP this department belongs to (Required)</small>
                            </div>
                            <div class="col-md-6 mb-3">
                                <label for="name" class="form-label font-weight-bold">
                                    Department 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', $department->name) }}" required
                                       placeholder="Enter department name">
                                @error('name')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>
                            <div class="col-md-6 mb-3">
                                <label for="code" class="form-label font-weight-bold">
                                    Department Code (Optional)
                                </label>
                                <input type="text" class="form-control @error('code') is-invalid @enderror" 
                                       id="code" name="code" value="{{ old('code', $department->code) }}" 
                                       placeholder="e.g., IT, HR, FIN (optional)">
                                @error('code')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                                <small class="form-text text-muted">Unique code for the department (optional, will be converted to uppercase)</small>
                            </div>
                        </div>

                        <div class="row">
                            <div class="col-12 mb-3">
                                <label for="description" class="form-label font-weight-bold">Description</label>
                                <textarea class="form-control @error('description') is-invalid @enderror" 
                                          id="description" name="description" rows="4" 
                                          placeholder="Enter department description (optional)">{{ old('description', $department->description) }}</textarea>
                                @error('description')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>
                        </div>

                        <!-- Department Head Information -->
                        <div class="row mb-4">
                            <div class="col-12">
                                <h5 class="text-warning border-bottom pb-2 mb-3">
                                    <i class="fas fa-user-tie mr-2"></i>Department Head Information
                                </h5>
                            </div>
                        </div>

                        <div class="row">
                            <div class="col-md-4 mb-3">
                                <label for="head_name" class="form-label font-weight-bold">Head Name</label>
                                <input type="text" class="form-control @error('head_name') is-invalid @enderror" 
                                       id="head_name" name="head_name" value="{{ old('head_name', $department->head_name) }}"
                                       placeholder="Enter head name">
                                @error('head_name')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>
                            <div class="col-md-4 mb-3">
                                <label for="head_email" class="form-label font-weight-bold">Head Email</label>
                                <input type="email" class="form-control @error('head_email') is-invalid @enderror" 
                                       id="head_email" name="head_email" value="{{ old('head_email', $department->head_email) }}"
                                       placeholder="Enter head email">
                                @error('head_email')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>
                            <div class="col-md-4 mb-3">
                                <label for="head_phone" class="form-label font-weight-bold">Head Phone</label>
                                <input type="text" class="form-control @error('head_phone') is-invalid @enderror" 
                                       id="head_phone" name="head_phone" value="{{ old('head_phone', $department->head_phone) }}"
                                       placeholder="Enter head phone">
                                @error('head_phone')
                                    <div class="invalid-feedback">{{ $message }}</div>
                                @enderror
                            </div>
                        </div>

                        <!-- Status -->
                        <div class="row mb-4">
                            <div class="col-12">
                                <h5 class="text-warning border-bottom pb-2 mb-3">
                                    <i class="fas fa-toggle-on mr-2"></i>Status
                                </h5>
                            </div>
                        </div>

                        <div class="row">
                            <div class="col-12 mb-4">
                                <div class="custom-control custom-checkbox">
                                    <input type="checkbox" class="custom-control-input" id="is_active" name="is_active" 
                                           {{ old('is_active', $department->is_active) ? 'checked' : '' }}>
                                    <label class="custom-control-label font-weight-bold" for="is_active">
                                        <i class="fas fa-check-circle text-success mr-2"></i>
                                        Active Department
                                    </label>
                                </div>
                                <small class="form-text text-muted">Uncheck to deactivate this department</small>
                            </div>
                        </div>

                        <!-- Form Actions -->
                        <div class="row">
                            <div class="col-12">
                                <div class="d-flex justify-content-end">
                                    <a href="{{ route('departments.index') }}" class="btn btn-secondary mr-2">
                                        <i class="fas fa-times mr-2"></i> Cancel
                                    </a>
                                    <a href="{{ route('departments.show', $department) }}" class="btn btn-info mr-2">
                                        <i class="fas fa-eye mr-2"></i> View Department
                                    </a>
                                    <button type="submit" class="btn btn-warning">
                                        <i class="fas fa-save mr-2"></i> Update Department
                                    </button>
                                </div>
                            </div>
                        </div>
                    </form>
                </div>
            </div>
        </div>
    </div>
</div>

<style>
/* Custom Bootstrap 4 Enhancements */
.card {
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15) !important;
}

.bg-warning {
    background: linear-gradient(135deg, #ffc107, #e0a800) !important;
}

.form-control:focus {
    border-color: #ffc107;
    box-shadow: 0 0 0 0.2rem rgba(255, 193, 7, 0.25);
}

.custom-control-input:checked ~ .custom-control-label::before {
    background-color: #ffc107;
    border-color: #ffc107;
}

.btn {
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.text-warning {
    color: #ffc107 !important;
}

/* Form section styling */
.border-bottom {
    border-bottom: 2px solid #e9ecef !important;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .card-header h2 {
        font-size: 1.5rem;
    }
    
    .d-flex.justify-content-end {
        flex-direction: column;
    }
    
    .d-flex.justify-content-end .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .d-flex.justify-content-end .btn:last-child {
        margin-bottom: 0;
    }
}
</style>

<script>
$(document).ready(function() {
    // Form validation enhancement
    $('form').on('submit', function(e) {
        const name = $('#name').val().trim();
        const code = $('#code').val().trim();
        
        if (!name) {
            e.preventDefault();
            $('#name').focus();
            alert('Please enter a department name.');
            return false;
        }
        
        if (!code) {
            e.preventDefault();
            $('#code').focus();
            alert('Please enter a department code.');
            return false;
        }
    });
    
    // Auto-uppercase for code field
    $('#code').on('input', function() {
        $(this).val($(this).val().toUpperCase());
    });
});
</script>
@endsection