@extends('layouts.dashboard')

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

@section('page-content')
<div class="mb-6">
    <div class="flex items-center space-x-2 text-sm text-gray-600 mb-2">
        <a href="{{ route('courses.index') }}" class="hover:text-gray-900">Courses</a>
        <span>/</span>
        <a href="{{ route('courses.show', $course) }}" class="hover:text-gray-900">{{ $course->code }}</a>
        <span>/</span>
        <span class="text-gray-900">Edit</span>
    </div>
    <h1 class="text-2xl font-bold text-gray-900">Edit Course</h1>
</div>

<form action="{{ route('courses.update', $course) }}" method="POST" class="max-w-4xl">
    @csrf
    @method('PUT')
    
    <div class="bg-white rounded-lg shadow-sm p-6 mb-6">
        <h2 class="text-lg font-semibold text-gray-900 mb-4">Course Information</h2>
        
        <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
            <!-- Course Name -->
            <div class="md:col-span-2">
                <label for="name" class="block text-sm font-medium text-gray-700 mb-2">Course Name *</label>
                <input type="text" name="name" id="name" value="{{ old('name', $course->name) }}" required
                       class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent @error('name') border-red-500 @enderror">
                @error('name')
                    <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
                @enderror
            </div>

            <!-- Course Code -->
            <div>
                <label for="code" class="block text-sm font-medium text-gray-700 mb-2">Course Code *</label>
                <input type="text" name="code" id="code" value="{{ old('code', $course->code) }}" required
                       placeholder="e.g., CS101"
                       class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent @error('code') border-red-500 @enderror">
                @error('code')
                    <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
                @enderror
            </div>

            <!-- Department -->
            <div>
                <label for="department_id" class="block text-sm font-medium text-gray-700 mb-2">Department *</label>
                <select name="department_id" id="department_id" required
                        class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent @error('department_id') border-red-500 @enderror">
                    <option value="">Select Department</option>
                    @foreach($departments as $department)
                        <option value="{{ $department->id }}" {{ old('department_id', $course->department_id) == $department->id ? 'selected' : '' }}>
                            {{ $department->name }}
                        </option>
                    @endforeach
                </select>
                @error('department_id')
                    <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
                @enderror
            </div>

            <!-- Credit Hours -->
            <div>
                <label for="credit_hours" class="block text-sm font-medium text-gray-700 mb-2">Credit Hours *</label>
                <input type="number" name="credit_hours" id="credit_hours" value="{{ old('credit_hours', $course->credit_hours) }}" required min="1" max="10"
                       class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent @error('credit_hours') border-red-500 @enderror">
                @error('credit_hours')
                    <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
                @enderror
            </div>

            <!-- Course Type -->
            <div>
                <label for="course_type" class="block text-sm font-medium text-gray-700 mb-2">Course Type *</label>
                <select name="course_type" id="course_type" required
                        class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent @error('course_type') border-red-500 @enderror">
                    <option value="">Select Type</option>
                    <option value="core" {{ old('course_type', $course->course_type) == 'core' ? 'selected' : '' }}>Core</option>
                    <option value="elective" {{ old('course_type', $course->course_type) == 'elective' ? 'selected' : '' }}>Elective</option>
                    <option value="general_education" {{ old('course_type', $course->course_type) == 'general_education' ? 'selected' : '' }}>General Education</option>
                    <option value="specialization" {{ old('course_type', $course->course_type) == 'specialization' ? 'selected' : '' }}>Specialization</option>
                </select>
                @error('course_type')
                    <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
                @enderror
            </div>

            <!-- Description -->
            <div class="md:col-span-2">
                <label for="description" class="block text-sm font-medium text-gray-700 mb-2">Description</label>
                <textarea name="description" id="description" rows="4"
                          class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent @error('description') border-red-500 @enderror">{{ old('description', $course->description) }}</textarea>
                @error('description')
                    <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
                @enderror
            </div>
        </div>
    </div>

    <!-- Form Actions -->
    <div class="flex justify-between">
        <button type="button" onclick="if(confirm('Are you sure you want to delete this course?')) document.getElementById('delete-form').submit();"
                class="px-4 py-2 bg-red-600 text-white rounded-lg hover:bg-red-700">
            Delete Course
        </button>
        <div class="flex space-x-3">
            <a href="{{ route('courses.show', $course) }}" class="px-4 py-2 bg-gray-200 text-gray-700 rounded-lg hover:bg-gray-300">
                Cancel
            </a>
            <button type="submit" class="px-4 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700">
                Update Course
            </button>
        </div>
    </div>
</form>

<form id="delete-form" action="{{ route('courses.destroy', $course) }}" method="POST" class="hidden">
    @csrf
    @method('DELETE')
</form>
@endsection