@extends('layouts.app')

<!-- Quill CSS -->
<link href="{{ asset('assets/vendor/quill/quill.core.css') }}" rel="stylesheet" type="text/css" />
<link href="{{ asset('assets/vendor/quill/quill.snow.css') }}" rel="stylesheet" type="text/css" />
<link href="{{ asset('assets/vendor/quill/quill.bubble.css') }}" rel="stylesheet" type="text/css" />

@section('content')
<div class="page-container">
    <div class="row">
        <div class="col-12">
            <div class="page-title-head d-flex align-items-sm-center flex-sm-row flex-column">
                <div class="flex-grow-1">
                    <h4 class="fs-18 text-uppercase fw-bold m-0">Course Information</h4>
                </div>
            </div>
        </div>
    </div>
    
    <div class="row">
        <div class="col-xl-12">
            <div class="card">
                <div class="card-header border-bottom border-dashed d-flex align-items-center">
                    <h4 class="header-title">
                        {{ $courseinfo ? 'Edit' : 'Add' }} Course Information
                    </h4>
                </div>

                <div class="card-body">
                    <form action="{{ route('course.storeinformation') }}" method="POST" id="courseInfoForm">
                        @csrf
                        <input type="hidden" name="course_id" value="{{ $id }}">
                        <input type="hidden" name="description" id="description">
                        
                        <div class="row">
                            <div class="col-lg-12">
                                <!-- Display validation errors -->
                                @if ($errors->any())
                                    <div class="alert alert-danger">
                                        <ul>
                                            @foreach ($errors->all() as $error)
                                                <li>{{ $error }}</li>
                                            @endforeach
                                        </ul>
                                    </div>
                                @endif

                                <!-- Places of Classes -->
                                <div class="mb-3">
                                    <label for="places_of_classes" class="form-label">Places of Classes</label>
                                    <input type="text" class="form-control" id="places_of_classes" 
                                           name="places_of_classes" placeholder="Enter places where classes will be held"
                                           value="{{ old('places_of_classes', $courseinfo->places_of_classes ?? '') }}">
                                    @error('places_of_classes')
                                        <div class="text-danger">{{ $message }}</div>
                                    @enderror
                                </div>

                                <!-- Course Objectives -->
                                <div class="mb-3">
                                    <label for="course_objectives" class="form-label">Course Objectives</label>
                                    <textarea class="form-control" id="course_objectives" name="course_objectives" 
                                              rows="3" placeholder="Enter the objectives of this course">{{ old('course_objectives', $courseinfo->course_objectives ?? '') }}</textarea>
                                    @error('course_objectives')
                                        <div class="text-danger">{{ $message }}</div>
                                    @enderror
                                </div>

                                <!-- Description -->
                                <div class="mb-3">
                                    <label class="form-label">Description</label>
                                    <div id="description-editor" style="height: 300px;">
                                        {!! old('description', $courseinfo->description ?? '') !!}
                                    </div>
                                    @error('description')
                                        <div class="text-danger">{{ $message }}</div>
                                    @enderror
                                </div>

                                <!-- Submit Button -->
                                <div class="mt-4">
                                    <button type="submit" class="btn btn-primary">
                                        <i class="ri-save-line align-bottom me-1"></i>
                                        {{ $courseinfo ? 'Update' : 'Save' }} Course Information
                                    </button>
                                    <a href="{{ route('course.index') }}" class="btn btn-secondary">
                                        <i class="ri-arrow-go-back-line align-bottom me-1"></i>
                                        Back
                                    </a>
                                </div>
                            </div>
                        </div>
                    </form>
                </div>
            </div>
        </div>
    </div>
</div>

<!-- Quill Editor JS -->
<script src="{{ asset('assets/vendor/quill/quill.min.js') }}"></script>

@push('scripts')
<script>
    document.addEventListener('DOMContentLoaded', function() {
        // Initialize Quill editor
        const quill = new Quill('#description-editor', {
            theme: 'snow',
            modules: {
                toolbar: [
                    [{ 'font': [] }, { 'size': [] }],
                    ['bold', 'italic', 'underline', 'strike'],
                    [{ 'color': [] }, { 'background': [] }],
                    [{ 'script': 'super' }, { 'script': 'sub' }],
                    [{ 'header': [1, 2, 3, 4, 5, 6, false] }, 'blockquote', 'code-block'],
                    [{ 'list': 'ordered' }, { 'list': 'bullet' }, { 'indent': '-1' }, { 'indent': '+1' }],
                    ['direction', { 'align': [] }],
                    ['link', 'image', 'video'],
                    ['clean']
                ]
            }
        });

        // Set initial content if there's old input or existing data
        @if(old('description', $courseinfo->description ?? false))
            quill.clipboard.dangerouslyPasteHTML({!! json_encode(old('description', $courseinfo->description ?? '')) !!});
        @endif

        // Handle form submission
        document.getElementById('courseInfoForm').addEventListener('submit', function(e) {
            // Update hidden description field with Quill content
            document.getElementById('description').value = quill.root.innerHTML;
            
            // You could add additional validation here if needed
            // For example, check if description is not empty
            if (quill.getText().trim().length === 0) {
                e.preventDefault();
                alert('Please enter a description');
                return false;
            }
        });
    });
</script>
@endpush

@endsection