@extends('layouts.dashboard')

@section('title', 'My Work Process')

@section('content')
    <!-- Page Header -->
    <div class="mb-8">
        <div class="flex items-center text-base text-gray-500 mb-3">
            <a href="{{ route('dashboard') }}" class="hover:text-indigo-600 transition-colors">Dashboard</a>
            <svg class="w-5 h-5 mx-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7" />
            </svg>
            <span>Work Process</span>
        </div>
        <h1 class="text-3xl font-bold text-gray-900">My Work Process</h1>
        <p class="text-lg text-gray-600 mt-2">Manage your work process steps displayed on your profile</p>
    </div>

    {{-- Split Screen Layout: Form Left, Preview Right --}}
    <div class="grid grid-cols-1 lg:grid-cols-2 gap-8 items-start">

        {{-- LEFT COLUMN: Form --}}
        <div class="order-2 lg:order-1">
            <form action="{{ route('work-process.update') }}" method="POST" id="work-process-form">
                @csrf
                @method('PATCH')

                <div class="card p-6 shadow-lg">
                    <h2 class="text-xl font-semibold text-gray-900 mb-6 flex items-center gap-2">
                        <svg class="w-6 h-6 text-indigo-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                                d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z" />
                        </svg>
                        Edit Processes
                    </h2>

                    {{-- Process List Container --}}
                    <div id="process-list" class="space-y-4 max-h-[60vh] overflow-y-auto pr-2">
                        @forelse($workProcesses as $index => $process)
                            <div class="process-item bg-gray-50 p-5 rounded-xl border-2 border-gray-200 relative group"
                                data-index="{{ $index }}">
                                {{-- Remove Button --}}
                                <button type="button" onclick="removeProcess(this)"
                                    class="absolute top-3 right-3 text-red-500 hover:text-red-700 opacity-0 group-hover:opacity-100 transition-opacity p-1.5 hover:bg-red-50 rounded-full">
                                    <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                                            d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16" />
                                    </svg>
                                </button>

                                {{-- Process Number --}}
                                <div class="mb-3">
                                    <label class="block text-sm font-medium text-gray-700 mb-1.5">Step Number</label>
                                    <input type="text" name="processes[{{ $index }}][number]"
                                        value="{{ $process['number'] }}"
                                        class="block w-full px-3 py-2.5 text-sm border-2 border-gray-300 rounded-lg focus:ring-0 focus:border-indigo-500 transition-all"
                                        placeholder="e.g., 01, 02, 03" required>
                                </div>

                                {{-- Process Title --}}
                                <div class="mb-3">
                                    <label class="block text-sm font-medium text-gray-700 mb-1.5">Title</label>
                                    <input type="text" name="processes[{{ $index }}][title]"
                                        value="{{ $process['title'] }}"
                                        class="block w-full px-3 py-2.5 text-sm border-2 border-gray-300 rounded-lg focus:ring-0 focus:border-indigo-500 transition-all"
                                        placeholder="e.g., Exploration, Design, Feedback" required>
                                </div>

                                {{-- Process Description --}}
                                <div>
                                    <label class="block text-sm font-medium text-gray-700 mb-1.5">Description</label>
                                    <textarea name="processes[{{ $index }}][description]" rows="3"
                                        class="block w-full px-3 py-2.5 text-sm border-2 border-gray-300 rounded-lg focus:ring-0 focus:border-indigo-500 transition-all resize-y"
                                        placeholder="Describe this step in your work process..." required>{{ $process['description'] }}</textarea>
                                </div>
                            </div>
                        @empty
                            {{-- Default empty state --}}
                            <div class="process-item bg-gray-50 p-5 rounded-xl border-2 border-gray-200 relative group"
                                data-index="0">
                                <button type="button" onclick="removeProcess(this)"
                                    class="absolute top-3 right-3 text-red-500 hover:text-red-700 opacity-0 group-hover:opacity-100 transition-opacity p-1.5 hover:bg-red-50 rounded-full">
                                    <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                                            d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16" />
                                    </svg>
                                </button>

                                <div class="mb-3">
                                    <label class="block text-sm font-medium text-gray-700 mb-1.5">Step Number</label>
                                    <input type="text" name="processes[0][number]"
                                        class="block w-full px-3 py-2.5 text-sm border-2 border-gray-300 rounded-lg focus:ring-0 focus:border-indigo-500 transition-all"
                                        placeholder="e.g., 01" required>
                                </div>

                                <div class="mb-3">
                                    <label class="block text-sm font-medium text-gray-700 mb-1.5">Title</label>
                                    <input type="text" name="processes[0][title]"
                                        class="block w-full px-3 py-2.5 text-sm border-2 border-gray-300 rounded-lg focus:ring-0 focus:border-indigo-500 transition-all"
                                        placeholder="e.g., Exploration" required>
                                </div>

                                <div>
                                    <label class="block text-sm font-medium text-gray-700 mb-1.5">Description</label>
                                    <textarea name="processes[0][description]" rows="3"
                                        class="block w-full px-3 py-2.5 text-sm border-2 border-gray-300 rounded-lg focus:ring-0 focus:border-indigo-500 transition-all resize-y"
                                        placeholder="Describe this step in your work process..." required></textarea>
                                </div>
                            </div>
                        @endforelse
                    </div>

                    {{-- Add More Button --}}
                    <div class="mt-4">
                        <button type="button" onclick="addProcess()"
                            class="w-full py-3 border-2 border-dashed border-indigo-300 rounded-lg text-indigo-600 font-semibold text-sm hover:bg-indigo-50 hover:border-indigo-400 transition-all flex items-center justify-center gap-2">
                            <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                                    d="M12 6v6m0 0v6m0-6h6m-6 0H6" />
                            </svg>
                            Add More Process
                        </button>
                    </div>

                    {{-- Error Messages --}}
                    @if ($errors->any())
                        <div class="mt-4 bg-red-50 border border-red-200 rounded-lg p-3">
                            <ul class="list-disc list-inside text-red-600 text-sm">
                                @foreach ($errors->all() as $error)
                                    <li>{{ $error }}</li>
                                @endforeach
                            </ul>
                        </div>
                    @endif

                    {{-- Action Buttons --}}
                    <div class="flex flex-col sm:flex-row items-center gap-3 pt-5 mt-5 border-t-2 border-gray-200">
                        <button type="submit"
                            class="w-full sm:w-auto bg-indigo-600 hover:bg-indigo-700 text-white text-base font-semibold py-3 px-6 rounded-lg transition-colors flex items-center justify-center gap-2 shadow-md">
                            <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                                    d="M5 13l4 4L19 7" />
                            </svg>
                            <span>Save Changes</span>
                        </button>
                        <a href="{{ route('dashboard') }}"
                            class="w-full sm:w-auto text-center bg-gray-200 hover:bg-gray-300 text-gray-800 text-base font-semibold py-3 px-6 rounded-lg transition-colors flex items-center justify-center gap-2">
                            <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                                    d="M6 18L18 6M6 6l12 12" />
                            </svg>
                            <span>Cancel</span>
                        </a>
                    </div>
                </div>
            </form>
        </div>

        {{-- RIGHT COLUMN: Live Preview --}}
        <div class="order-1 lg:order-2 lg:sticky lg:top-6">
            <div class="card p-6 shadow-lg bg-gradient-to-br from-gray-50 to-white">
                <h2 class="text-xl font-semibold text-gray-900 mb-6 flex items-center gap-2">
                    <svg class="w-6 h-6 text-green-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                            d="M15 12a3 3 0 11-6 0 3 3 0 016 0z" />
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                            d="M2.458 12C3.732 7.943 7.523 5 12 5c4.478 0 8.268 2.943 9.542 7-1.274 4.057-5.064 7-9.542 7-4.477 0-8.268-2.943-9.542-7z" />
                    </svg>
                    Live Preview
                </h2>

                <div id="preview-container" class="space-y-4 max-h-[70vh] overflow-y-auto pr-2">
                    @forelse($workProcesses as $process)
                        <div
                            class="preview-item bg-white p-5 rounded-xl shadow-sm border border-gray-100 hover:shadow-md transition-shadow">
                            <h3 class="text-xl font-semibold text-indigo-600 mb-2">{{ $process['number'] }} -
                                {{ $process['title'] }}</h3>
                            <p class="text-gray-600 text-sm leading-relaxed">{{ $process['description'] }}</p>
                        </div>
                    @empty
                        <div class="preview-empty text-center py-12 text-gray-400">
                            <svg class="w-16 h-16 mx-auto mb-4 opacity-50" fill="none" stroke="currentColor"
                                viewBox="0 0 24 24">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5"
                                    d="M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2" />
                            </svg>
                            <p class="text-base">No work processes added yet.</p>
                            <p class="text-sm mt-1">Add your first process on the left.</p>
                        </div>
                    @endforelse
                </div>

                {{-- Preview Note --}}
                <div class="mt-4 p-3 bg-blue-50 border border-blue-200 rounded-lg">
                    <p class="text-xs text-blue-700 flex items-center gap-2">
                        <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                                d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
                        </svg>
                        Changes update automatically as you type
                    </p>
                </div>
            </div>
        </div>
    </div>

@endsection
@push('scripts')
    <script>
        let processCount = {{ count($workProcesses) > 0 ? count($workProcesses) : 1 }};

        function addProcess() {
            const container = document.getElementById('process-list');
            const newIndex = processCount;

            const processHtml = `
        <div class="process-item bg-gray-50 p-5 rounded-xl border-2 border-gray-200 relative group animate-fade-in" data-index="${newIndex}">
            <button type="button" onclick="removeProcess(this)" class="absolute top-3 right-3 text-red-500 hover:text-red-700 opacity-0 group-hover:opacity-100 transition-opacity p-1.5 hover:bg-red-50 rounded-full">
                <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16"/>
                </svg>
            </button>

            <div class="mb-3">
                <label class="block text-sm font-medium text-gray-700 mb-1.5">Step Number</label>
                <input type="text" name="processes[${newIndex}][number]" 
                       class="block w-full px-3 py-2.5 text-sm border-2 border-gray-300 rounded-lg focus:ring-0 focus:border-purple-500 focus:outline-none shadow-xs transition-all"
                       placeholder="e.g., 0${newIndex + 1}" required>
            </div>

            <div class="mb-3">
                <label class="block text-sm font-medium text-gray-700 mb-1.5">Title</label>
                <input type="text" name="processes[${newIndex}][title]" 
                       class="block w-full px-3 py-2.5 text-sm border-2 border-gray-300 rounded-lg focus:ring-0 focus:border-purple-500 focus:outline-none shadow-xs transition-all"
                       placeholder="e.g., New Process" required>
            </div>

            <div>
                <label class="block text-sm font-medium text-gray-700 mb-1.5">Description</label>
                <textarea name="processes[${newIndex}][description]" rows="3" 
                          class="block w-full px-3 py-2.5 text-sm border-2 border-gray-300 rounded-lg focus:ring-0 focus:border-purple-500 focus:outline-none shadow-xs transition-all resize-y"
                          placeholder="Describe this step in your work process..." required></textarea>
            </div>
        </div>
    `;

            container.insertAdjacentHTML('beforeend', processHtml);
            processCount++;

            // Scroll to the new element
            const newElement = container.lastElementChild;
            newElement.scrollIntoView({
                behavior: 'smooth',
                block: 'center'
            });

            updatePreview();
        }

        function removeProcess(button) {
            const processItems = document.querySelectorAll('.process-item');

            // Don't remove if it's the last one
            if (processItems.length <= 1) {
                alert('You must have at least one work process.');
                return;
            }

            const item = button.closest('.process-item');
            item.style.opacity = '0';
            item.style.transform = 'translateX(-20px)';

            setTimeout(() => {
                item.remove();
                reindexProcesses();
                updatePreview();
            }, 300);
        }

        function reindexProcesses() {
            const items = document.querySelectorAll('.process-item');
            items.forEach((item, index) => {
                item.dataset.index = index;
                const inputs = item.querySelectorAll('input, textarea');
                inputs.forEach(input => {
                    const name = input.name;
                    const field = name.match(/\]\[(\w+)\]$/)[1];
                    input.name = `processes[${index}][${field}]`;
                });
            });
            processCount = items.length;
        }

        function updatePreview() {
            const items = document.querySelectorAll('.process-item');
            const previewContainer = document.getElementById('preview-container');

            if (items.length === 0) {
                previewContainer.innerHTML = `
            <div class="preview-empty text-center py-12 text-gray-400">
                <svg class="w-16 h-16 mx-auto mb-4 opacity-50" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2"/>
                </svg>
                <p class="text-base">No work processes added yet.</p>
                <p class="text-sm mt-1">Add your first process on the left.</p>
            </div>
        `;
                return;
            }

            let previewHtml = '';
            items.forEach(item => {
                const number = item.querySelector('input[name$="[number]"]').value || '00';
                const title = item.querySelector('input[name$="[title]"]').value || 'Untitled';
                const description = item.querySelector('textarea[name$="[description]"]').value ||
                    'No description...';

                previewHtml += `
            <div class="preview-item bg-white p-5 rounded-xl shadow-sm border border-gray-100 hover:shadow-md transition-shadow">
                <h3 class="text-xl font-semibold text-indigo-600 mb-2">${number} - ${title}</h3>
                <p class="text-gray-600 text-sm leading-relaxed">${description}</p>
            </div>
        `;
            });

            previewContainer.innerHTML = previewHtml;
        }

        // Live preview update on input
        document.addEventListener('input', function(e) {
            if (e.target.closest('.process-item')) {
                updatePreview();
            }
        });

        // Add animation styles
        const style = document.createElement('style');
        style.textContent = `
    @keyframes fadeIn {
        from { opacity: 0; transform: translateY(10px); }
        to { opacity: 1; transform: translateY(0); }
    }
    .animate-fade-in {
        animation: fadeIn 0.3s ease-out;
    }
    .process-item {
        transition: opacity 0.3s, transform 0.3s;
    }
    /* Custom scrollbar for process list and preview */
    #process-list::-webkit-scrollbar,
    #preview-container::-webkit-scrollbar {
        width: 6px;
    }
    #process-list::-webkit-scrollbar-track,
    #preview-container::-webkit-scrollbar-track {
        background: #f1f1f1;
        border-radius: 3px;
    }
    #process-list::-webkit-scrollbar-thumb,
    #preview-container::-webkit-scrollbar-thumb {
        background: #c7c7c7;
        border-radius: 3px;
    }
    #process-list::-webkit-scrollbar-thumb:hover,
    #preview-container::-webkit-scrollbar-thumb:hover {
        background: #a0a0a0;
    }
`;
        document.head.appendChild(style);

        // Initial preview update
        updatePreview();
    </script>
@endpush