@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">Edit Workout 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">Edit Workout Table of Content</h4>
                </div>

                <div class="card-body">
                    <form action="{{ route('table_of_content.update', $tableOfContent->id) }}" method="POST" id="workoutForm">
                        @csrf
                        @method('PUT')
                        <!-- Hidden Description Field -->
                        <input type="hidden" name="description" id="descriptionInput">

                        <div class="row">
                            <div class="col-lg-12">
                                <h5 class="mb-3">Workout Table of Content</h5>

                                <!-- Select Course -->
                                <div class="mb-3">
                                    <label for="course" class="form-label">Select Course</label>
                                    <select id="course" name="course_id" class="form-select">
                                        <option value="" disabled>Select a course</option>
                                        @foreach($courses as $course)
                                            <option value="{{ $course->id }}" {{ $tableOfContent->course_id == $course->id ? 'selected' : '' }}>
                                                {{ $course->title }}
                                            </option>
                                        @endforeach
                                    </select>
                                </div>

                                <!-- Select Workout -->
                                <div class="mb-3">
                                    <label for="workout" class="form-label">Select Workout</label>
                                    <select id="workout" name="workout_id" class="form-select">
                                        <option value="" disabled>Select a workout</option>
                                        @foreach($workouts as $workout)
                                            <option value="{{ $workout->id }}" {{ $tableOfContent->workout_id == $workout->id ? 'selected' : '' }}>
                                                {{ $workout->workout_title }}
                                            </option>
                                        @endforeach
                                    </select>
                                </div>

                                <!-- Title -->
                                <div class="form-floating mb-3">
                                    <input type="text" class="form-control" id="title" name="title"
                                           placeholder="Enter Title" value="{{ old('title', $tableOfContent->title) }}">
                                    <label for="title">Title</label>
                                </div>

                                <!-- Description (Quill Editor) -->
                                <h5 class="mb-3 mt-4">Description</h5>
                                <div class="form-floating">
                                    <div id="snow-editor1" style="height: 200px;"></div>
                                </div>

                                <!-- Exercises -->
                                <h5 class="mb-3 mt-4">Edit Exercises</h5>
                                <div id="exercise-container">
                                    @foreach ($tableOfContent->exercises as $exercise)
                                        <div class="row mb-3">
                                            <div class="col-lg-10">
                                                <div class="form-floating exercise-input">
                                                    <input type="text" class="form-control" name="exercises[]" value="{{ $exercise->exercise_name }}" placeholder="Enter Exercise">
                                                    <label>Exercise</label>
                                                </div>
                                            </div>
                                            <div class="col-lg-2">
                                                <button type="button" class="btn btn-danger w-100 remove-exercise">Remove</button>
                                            </div>
                                        </div>
                                    @endforeach
                                </div>

                                <!-- Add Another Exercise Button -->
                                <button type="button" id="add-exercise" class="btn btn-success mb-3">Add Another Exercise</button>

                                <!-- Submit Button -->
                                <div class="mt-4">
                                    <button type="submit" class="btn btn-primary">Update</button>
                                    <a href="{{ route('course.index') }}" class="btn btn-secondary">Back</a>
                                </div>
                            </div>
                        </div>
                    </form>
                </div>
            </div>
        </div>
    </div>
</div>

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

<!-- Script Section -->
<script>
document.addEventListener("DOMContentLoaded", function () {
    // Initialize Quill
    const quill = new Quill("#snow-editor1", {
        theme: "snow",
        modules: {
            toolbar: [
                [{ font: [] }, { size: [] }],
                ["bold", "italic", "underline", "strike"],
                [{ color: [] }, { background: [] }],
                [{ script: "super" }, { script: "sub" }],
                [{ header: [false, 1, 2, 3, 4, 5, 6] }, "blockquote", "code-block"],
                [{ list: "ordered" }, { list: "bullet" }, { indent: "-1" }, { indent: "+1" }],
                ["direction", { align: [] }],
                ["link", "image", "video"],
                ["clean"]
            ]
        }
    });

    // Populate Quill editor with existing description
    const descriptionContent = `{!! addslashes($tableOfContent->description) !!}`;
    if (descriptionContent.trim() !== '') {
        quill.clipboard.dangerouslyPasteHTML(descriptionContent);
    }

    // Handle dynamic exercises
    document.getElementById("add-exercise").addEventListener("click", function () {
        const container = document.getElementById("exercise-container");
        const count = container.querySelectorAll(".exercise-input").length + 1;

        const newRow = document.createElement("div");
        newRow.classList.add("row", "mb-3");

        newRow.innerHTML = `
            <div class="col-lg-10">
                <div class="form-floating exercise-input">
                    <input type="text" class="form-control" name="exercises[]" placeholder="Enter Exercise ${count}">
                    <label>Exercise ${count}</label>
                </div>
            </div>
            <div class="col-lg-2">
                <button type="button" class="btn btn-danger w-100 remove-exercise">Remove</button>
            </div>
        `;

        container.appendChild(newRow);

        // Attach remove handler
        newRow.querySelector('.remove-exercise').addEventListener('click', function () {
            newRow.remove();

            // Reindex remaining exercises
            const inputs = container.querySelectorAll('.exercise-input input');
            inputs.forEach((input, index) => {
                input.placeholder = `Enter Exercise ${index + 1}`;
                input.closest('.form-floating').querySelector('label').textContent = `Exercise ${index + 1}`;
            });
        });
    });

    // Before submitting form, update hidden input
    document.getElementById("workoutForm").addEventListener("submit", function (e) {
        const descriptionInput = document.getElementById("descriptionInput");
        const quillContent = quill.root.innerHTML;

        // Set hidden field value
        descriptionInput.value = quillContent;

        // Optional validation
        if (!quill.getText().trim()) {
            e.preventDefault();
            alert("Please enter a valid description.");
        }
    });
});
</script>
@endsection