@extends('layouts.admin')

@section('title', 'Edit Plan — ' . ($plan->name ?? ''))

@push('styles')
<style>
    .page-header {
        display: flex;
        align-items: center;
        gap: 1rem;
        margin-bottom: 2rem;
    }

    .page-header .back-btn {
        width: 36px;
        height: 36px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        color: var(--text-secondary);
        transition: all var(--transition);
    }

    .page-header .back-btn:hover { background: var(--accent-light); color: var(--accent); border-color: var(--accent); }
    .page-header h1 { font-size: 1.75rem; font-weight: 700; }

    .form-card {
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius-lg);
        padding: 2rem;
        max-width: 720px;
    }

    .form-section-title {
        font-size: 0.95rem;
        font-weight: 600;
        margin-bottom: 1rem;
        padding-bottom: 0.5rem;
        border-bottom: 1px solid var(--border);
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .form-section-title i { color: var(--accent); }

    .form-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 1.25rem;
        margin-bottom: 1.5rem;
    }

    .form-group { margin-bottom: 0; }
    .form-group.full-width { grid-column: 1 / -1; }

    .form-group label {
        display: block;
        font-size: 0.85rem;
        font-weight: 500;
        margin-bottom: 0.5rem;
        color: var(--text-secondary);
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        width: 100%;
        padding: 0.625rem 0.875rem;
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        background: var(--bg-primary);
        color: var(--text-primary);
        font-family: inherit;
        font-size: 0.875rem;
        outline: none;
        transition: border-color var(--transition);
    }

    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus { border-color: var(--accent); }

    .form-group textarea { resize: vertical; min-height: 80px; }
    .form-group .error-msg { color: var(--danger); font-size: 0.8rem; margin-top: 0.375rem; }
    .form-group input.error, .form-group select.error { border-color: var(--danger); }

    .feature-list { list-style: none; }

    .feature-item {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        margin-bottom: 0.5rem;
    }

    .feature-item input {
        flex: 1;
        padding: 0.5rem 0.75rem;
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        background: var(--bg-primary);
        color: var(--text-primary);
        font-family: inherit;
        font-size: 0.85rem;
        outline: none;
    }

    .feature-item input:focus { border-color: var(--accent); }

    .remove-btn {
        width: 32px;
        height: 32px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        background: transparent;
        color: var(--text-muted);
        cursor: pointer;
        transition: all var(--transition);
        flex-shrink: 0;
    }

    .remove-btn:hover { background: var(--danger-light); color: var(--danger); border-color: var(--danger); }

    .add-btn {
        display: inline-flex;
        align-items: center;
        gap: 0.375rem;
        padding: 0.375rem 0.75rem;
        border: 1px dashed var(--border);
        border-radius: var(--radius-sm);
        background: transparent;
        color: var(--accent);
        font-family: inherit;
        font-size: 0.825rem;
        cursor: pointer;
        transition: all var(--transition);
        margin-top: 0.25rem;
    }

    .add-btn:hover { background: var(--accent-light); border-color: var(--accent); }

    .limit-item {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        margin-bottom: 0.5rem;
    }

    .limit-item input {
        flex: 1;
        padding: 0.5rem 0.75rem;
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        background: var(--bg-primary);
        color: var(--text-primary);
        font-family: inherit;
        font-size: 0.85rem;
        outline: none;
    }

    .limit-item input:focus { border-color: var(--accent); }
    .limit-item input:first-child { max-width: 200px; }

    .toggle-wrapper {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        margin-bottom: 1.5rem;
    }

    .toggle-switch { position: relative; width: 44px; height: 24px; }
    .toggle-switch input { opacity: 0; width: 0; height: 0; }

    .toggle-slider {
        position: absolute;
        cursor: pointer;
        top: 0; left: 0; right: 0; bottom: 0;
        background: var(--border);
        border-radius: 24px;
        transition: 0.3s;
    }

    .toggle-slider::before {
        content: '';
        position: absolute;
        height: 18px;
        width: 18px;
        left: 3px;
        bottom: 3px;
        background: white;
        border-radius: 50%;
        transition: 0.3s;
    }

    .toggle-switch input:checked + .toggle-slider { background: var(--accent); }
    .toggle-switch input:checked + .toggle-slider::before { transform: translateX(20px); }

    .toggle-label { font-size: 0.875rem; color: var(--text-secondary); }

    .form-actions {
        display: flex;
        gap: 0.75rem;
        margin-top: 2rem;
    }

    .btn-secondary {
        background: var(--bg-hover);
        color: var(--text-secondary);
        border: 1px solid var(--border);
        padding: 0.625rem 1.25rem;
        border-radius: var(--radius-sm);
        font-family: inherit;
        font-size: 0.875rem;
        font-weight: 500;
        cursor: pointer;
        transition: all var(--transition);
    }

    .btn-secondary:hover { background: var(--bg-card); color: var(--text-primary); }

    @media (max-width: 768px) {
        .form-grid { grid-template-columns: 1fr; }
    }
</style>
@endpush

@section('content')
    <div class="page-header">
        <a href="{{ route('admin.plans.show', $plan->id) }}" class="back-btn"><i class="fas fa-arrow-left"></i></a>
        <h1>Edit Plan</h1>
    </div>

    <div class="form-card">
        <form method="POST" action="{{ route('admin.plans.update', $plan->id) }}">
            @csrf
            @method('PUT')

            <div class="form-section-title"><i class="fas fa-info-circle"></i> Basic Information</div>
            <div class="form-grid">
                <div class="form-group">
                    <label for="name">Plan Name</label>
                    <input type="text" id="name" name="name" value="{{ old('name', $plan->name) }}" class="{{ $errors->has('name') ? 'error' : '' }}">
                    @error('name') <div class="error-msg">{{ $message }}</div> @enderror
                </div>
                <div class="form-group">
                    <label for="slug">Slug</label>
                    <input type="text" id="slug" name="slug" value="{{ old('slug', $plan->slug) }}" class="{{ $errors->has('slug') ? 'error' : '' }}">
                    @error('slug') <div class="error-msg">{{ $message }}</div> @enderror
                </div>
                <div class="form-group">
                    <label for="module">Module</label>
                    <select id="module" name="module" class="{{ $errors->has('module') ? 'error' : '' }}">
                        @foreach(['inventory' => 'Inventory', 'escrow' => 'Escrow', 'marketplace' => 'Marketplace'] as $value => $label)
                            <option value="{{ $value }}" {{ old('module', $plan->module) === $value ? 'selected' : '' }}>{{ $label }}</option>
                        @endforeach
                    </select>
                    <small style="font-size:0.72rem; color:var(--text-muted);">Which subsystem this plan applies to.</small>
                    @error('module') <div class="error-msg">{{ $message }}</div> @enderror
                </div>
                <div class="form-group full-width">
                    <label for="description">Description</label>
                    <textarea id="description" name="description">{{ old('description', $plan->description) }}</textarea>
                    @error('description') <div class="error-msg">{{ $message }}</div> @enderror
                </div>
            </div>

            <div class="form-section-title"><i class="fas fa-tag"></i> Pricing</div>
            <div class="form-grid">
                <div class="form-group">
                    <label for="price_monthly">Monthly Price (&#8358;)</label>
                    <input type="number" id="price_monthly" name="price_monthly" value="{{ old('price_monthly', $plan->price_monthly ?? 0) }}" step="0.01" min="0">
                    @error('price_monthly') <div class="error-msg">{{ $message }}</div> @enderror
                </div>
                <div class="form-group">
                    <label for="price_yearly">Yearly Price (&#8358;)</label>
                    <input type="number" id="price_yearly" name="price_yearly" value="{{ old('price_yearly', $plan->price_yearly ?? 0) }}" step="0.01" min="0">
                    @error('price_yearly') <div class="error-msg">{{ $message }}</div> @enderror
                </div>
            </div>

            <div class="form-section-title"><i class="fas fa-list-check"></i> Features</div>
            @php $features = old('features', is_array($plan->features) ? $plan->features : json_decode($plan->features ?? '[]', true)); @endphp
            <div id="featuresContainer">
                <ul class="feature-list" id="featureList">
                    @foreach($features as $i => $feature)
                        <li class="feature-item">
                            <input type="text" name="features[]" value="{{ $feature }}" placeholder="e.g. Priority support">
                            <button type="button" class="remove-btn" onclick="removeItem(this)"><i class="fas fa-times"></i></button>
                        </li>
                    @endforeach
                    @if(empty($features))
                        <li class="feature-item">
                            <input type="text" name="features[]" placeholder="e.g. Up to 100 products">
                            <button type="button" class="remove-btn" onclick="removeItem(this)"><i class="fas fa-times"></i></button>
                        </li>
                    @endif
                </ul>
                <button type="button" class="add-btn" onclick="addFeature()">
                    <i class="fas fa-plus"></i> Add Feature
                </button>
            </div>

            <div style="margin-top: 1.5rem;"></div>

            <div class="form-section-title"><i class="fas fa-sliders-h"></i> Limits</div>
            @php $limits = old('limits', is_array($plan->limits) ? $plan->limits : json_decode($plan->limits ?? '[]', true)); @endphp
            <div id="limitsContainer">
                <div id="limitsList">
                    @foreach($limits as $key => $value)
                        <div class="limit-item">
                            <input type="text" name="limit_keys[]" value="{{ $key }}" placeholder="Key">
                            <input type="text" name="limit_values[]" value="{{ $value }}" placeholder="Value">
                            <button type="button" class="remove-btn" onclick="removeItem(this)"><i class="fas fa-times"></i></button>
                        </div>
                    @endforeach
                    @if(empty($limits))
                        <div class="limit-item">
                            <input type="text" name="limit_keys[]" placeholder="Key (e.g. max_products)">
                            <input type="text" name="limit_values[]" placeholder="Value (e.g. 100)">
                            <button type="button" class="remove-btn" onclick="removeItem(this)"><i class="fas fa-times"></i></button>
                        </div>
                    @endif
                </div>
                <button type="button" class="add-btn" onclick="addLimit()">
                    <i class="fas fa-plus"></i> Add Limit
                </button>
            </div>

            <div style="margin-top: 1.5rem;"></div>

            <div class="toggle-wrapper">
                <label class="toggle-switch">
                    <input type="hidden" name="is_active" value="0">
                    <input type="checkbox" name="is_active" value="1" {{ old('is_active', $plan->is_active) ? 'checked' : '' }}>
                    <span class="toggle-slider"></span>
                </label>
                <span class="toggle-label">Plan is active</span>
            </div>

            <div class="form-actions">
                <button type="submit" class="btn btn-primary">
                    <i class="fas fa-save"></i> Save Changes
                </button>
                <a href="{{ route('admin.plans.show', $plan->id) }}" class="btn-secondary">Cancel</a>
            </div>
        </form>
    </div>
@endsection

@push('scripts')
<script>
    function addFeature() {
        const list = document.getElementById('featureList');
        const li = document.createElement('li');
        li.className = 'feature-item';
        li.innerHTML = `
            <input type="text" name="features[]" placeholder="e.g. Priority support">
            <button type="button" class="remove-btn" onclick="removeItem(this)"><i class="fas fa-times"></i></button>
        `;
        list.appendChild(li);
    }

    function addLimit() {
        const list = document.getElementById('limitsList');
        const div = document.createElement('div');
        div.className = 'limit-item';
        div.innerHTML = `
            <input type="text" name="limit_keys[]" placeholder="Key (e.g. max_staff)">
            <input type="text" name="limit_values[]" placeholder="Value (e.g. 5)">
            <button type="button" class="remove-btn" onclick="removeItem(this)"><i class="fas fa-times"></i></button>
        `;
        list.appendChild(div);
    }

    function removeItem(btn) {
        const parent = btn.closest('.feature-item, .limit-item');
        if (parent) parent.remove();
    }
</script>
@endpush