@extends('layouts.panel')

@section('title', 'تنظیمات سیستم - منیجینو ابزار برای مدیریت خرید و فروش مواد شیمیایی')
@section('meta_description', 'پیکربندی کلی سامانه و تنظیمات مدیریتی در منیجینو ابزار برای مدیریت خرید و فروش مواد شیمیایی')

@section('content')
<div class="space-y-6">
    @if (session('success'))
    <div id="success-modal" class="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50">
        <div class="bg-slate-800 rounded-lg p-6 max-w-md w-full mx-4">
            <div class="flex items-center justify-center mb-4">
                <div class="w-12 h-12 bg-emerald-500 rounded-full flex items-center justify-center">
                    <svg class="w-6 h-6 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7"></path>
                    </svg>
                </div>
            </div>
            <h3 class="text-xl font-bold text-white text-center mb-2">موفقیت!</h3>
            <p class="text-slate-300 text-center mb-6" style="font-size: 12px;">{{ session('success') }}</p>
            <div class="flex justify-center">
                <button onclick="closeSuccessModal()" class="px-6 py-2 bg-red-600 hover:bg-red-700 text-white rounded-lg transition duration-200">
                    باشه
                </button>
            </div>
        </div>
    </div>
    @endif
    @if ($errors->any())
    <div class="rounded-lg border border-red-700 bg-red-900/40 text-red-200 px-4 py-3">
        <ul class="list-disc pr-5">
            @foreach ($errors->all() as $error)
                <li>{{ $error }}</li>
            @endforeach
        </ul>
    </div>
    @endif
    <!-- Header -->
    <div class="flex items-center justify-between mb-6">
        <h1 class="text-2xl font-bold text-slate-100">تنظیمات سیستم</h1>
    </div>

    <!-- Tabs Navigation -->
    <div class="glass rounded-2xl p-1 mb-6">
        <div class="flex gap-2" role="tablist">
            <button 
                onclick="switchTab('import-export')" 
                id="tab-import-export"
                class="tab-button flex-1 px-4 py-3 rounded-xl font-medium transition-all duration-200 bg-indigo-600 text-white"
                role="tab"
                aria-selected="true">
                📥 خروجی / ورودی
            </button>
            <button 
                onclick="switchTab('favicon')" 
                id="tab-favicon"
                class="tab-button flex-1 px-4 py-3 rounded-xl font-medium transition-all duration-200 text-slate-300 hover:text-white hover:bg-white/5"
                role="tab"
                aria-selected="false">
                🎨 Favicon
            </button>
            <button 
                onclick="switchTab('sample-data')" 
                id="tab-sample-data"
                class="tab-button flex-1 px-4 py-3 rounded-xl font-medium transition-all duration-200 text-slate-300 hover:text-white hover:bg-white/5"
                role="tab"
                aria-selected="false">
                📊 داده‌های سمپل
            </button>
            <button 
                onclick="switchTab('backup-email')" 
                id="tab-backup-email"
                class="tab-button flex-1 px-4 py-3 rounded-xl font-medium transition-all duration-200 text-slate-300 hover:text-white hover:bg-white/5"
                role="tab"
                aria-selected="false">
                📨 بک‌آپ ایمیلی
            </button>
        </div>
    </div>

    <!-- Tab Content: Import/Export -->
    <div id="content-import-export" class="tab-content">
        <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
            <!-- Import Section -->
            <div class="glass rounded-2xl p-6">
                <h3 class="text-xl font-bold text-slate-100 mb-4">ورود داده به دیتابیس (Import)</h3>
                <p class="text-slate-400 text-sm mb-4">با احتیاط استفاده شود. برای جایگزینی کامل داده‌ها «حالت: پاکسازی و درج» را انتخاب کنید.</p>
                <form method="POST" action="{{ route('admin.settings.import') }}" enctype="multipart/form-data" class="space-y-4" id="import-form">
                    @csrf
                    <!-- File Upload Drop Zone -->
                    <div class="relative">
                        <input type="file" name="file" id="import-file" accept=".json,.csv,.sql" class="hidden" required>
                        <div id="import-drop-zone" class="border-2 border-dashed border-slate-500 rounded-xl p-12 text-center cursor-pointer hover:border-blue-400 transition-colors bg-slate-800/30">
                            <div class="flex flex-col items-center justify-center">
                                <svg class="w-20 h-20 text-slate-400 mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M7 16a4 4 0 01-.88-7.903A5 5 0 1115.9 6L16 6a5 5 0 011 9.9M15 13l-3-3m0 0l-3 3m3-3v12"></path>
                                </svg>
                                <p class="text-slate-300 mb-2 text-lg">فایل را اینجا بکشید یا کلیک کنید</p>
                                <p class="text-slate-400 text-sm">فرمت‌های مجاز: JSON, CSV, SQL (حداکثر 10MB)</p>
                            </div>
                        </div>
                        <div id="import-file-info" class="hidden mt-4 p-4 bg-slate-800/50 rounded-lg border border-slate-700">
                            <div class="flex items-center justify-between">
                                <div>
                                    <p class="text-slate-200 font-medium" id="import-file-name"></p>
                                    <p class="text-slate-400 text-sm" id="import-file-size"></p>
                                </div>
                                <button type="button" id="import-remove-file" class="text-red-400 hover:text-red-300">
                                    <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"></path>
                                    </svg>
                                </button>
                            </div>
                        </div>
                    </div>
                    
                    <!-- Format and Mode Selection -->
                    <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
                        <div>
                            <label class="block text-slate-300 mb-2">فرمت</label>
                            <select name="format" class="w-full rounded-md bg-slate-900 border border-slate-700 p-2 text-slate-200">
                                <option value="json">JSON</option>
                                <option value="csv">CSV</option>
                                <option value="sql">SQL</option>
                            </select>
                        </div>
                        <div>
                            <label class="block text-slate-300 mb-2">حالت</label>
                            <select name="mode" class="w-full rounded-md bg-slate-900 border border-slate-700 p-2 text-slate-200">
                                <option value="append">افزودن به داده‌های موجود</option>
                                <option value="truncate">پاکسازی و درج (خطرناک)</option>
                            </select>
                        </div>
                    </div>
                    
                    <button type="submit" id="import-submit-btn" class="px-4 py-2 bg-red-600 hover:bg-red-700 text-white rounded-lg disabled:opacity-50 disabled:cursor-not-allowed" disabled>اجرای ایمپورت</button>
                </form>
            </div>
            <!-- Export Section -->
            <div class="glass rounded-2xl p-6">
                <h3 class="text-xl font-bold text-slate-100 mb-4">خروجی گرفتن از دیتابیس</h3>
                <div class="space-y-4">
                    
                    <!-- Quick Export Buttons -->
                    <div class="border border-slate-700 rounded-xl p-4 bg-slate-800/30">
                        <p class="text-slate-300 text-sm mb-3 font-medium">خروجی سریع بخش‌ها:</p>
                        <div class="grid grid-cols-2 md:grid-cols-3 lg:grid-cols-4 gap-3">
                            <button id="exp-export-users" class="px-4 py-2 bg-blue-600 hover:bg-blue-700 text-white rounded-lg text-sm" title="خروجی کاربران و نقش‌ها (users, permissions, roles, role_has_permissions, model_has_permissions, model_has_roles)">
                                👥 کاربران
                            </button>
                            <button id="exp-export-products" class="px-4 py-2 bg-green-600 hover:bg-green-700 text-white rounded-lg text-sm" title="خروجی محصولات (products, product_supplier, product_price_history, product_experiences)">
                                📦 محصولات
                            </button>
                            <button id="exp-export-suppliers" class="px-4 py-2 text-white rounded-lg text-sm hover:opacity-90 transition-opacity" style="background-color: #9333ea;" title="خروجی تامین‌کنندگان (suppliers, supplier_notes, supplier_phones, supplier_sales_experts)">
                                🏢 تامین‌کنندگان
                            </button>
                            <button id="exp-export-purchase-requests" class="px-4 py-2 bg-indigo-600 hover:bg-indigo-700 text-white rounded-lg text-sm" title="خروجی درخواست‌های خرید (purchase_requests, purchase_request_items, purchase_request_item_offers, purchase_request_costs, purchase_request_attachments)">
                                📋 درخواست‌های خرید
                            </button>
                            <button id="exp-export-purchase-orders" class="px-4 py-2 bg-red-600 hover:bg-red-700 text-white rounded-lg text-sm" title="خروجی سفارش‌های خرید (purchase_orders, purchase_order_items, purchase_order_attachments)">
                                🛒 سفارش‌های خرید
                            </button>
                            <button id="exp-export-price-inquiry" class="px-4 py-2 bg-cyan-600 hover:bg-cyan-700 text-white rounded-lg text-sm" title="خروجی استعلام قیمت (price_inquiry_sessions)">
                                💵 استعلام قیمت
                            </button>
                            <button id="exp-export-accounting" class="px-4 py-2 bg-purple-600 hover:bg-purple-700 text-white rounded-lg text-sm" title="خروجی جداول حسابداری (accounting_suppliers, accounting_debts, accounting_transactions)">
                                💰 حسابداری
                            </button>
                            <button id="exp-export-inventory" class="px-4 py-2 bg-orange-600 hover:bg-orange-700 text-white rounded-lg text-sm" title="خروجی جداول انبار (warehouses, inventories, inventory_batches, inventory_transactions, inventory_outputs, inventory_entries)">
                                📦 انبار
                            </button>
                            <button id="exp-export-messages" class="px-4 py-2 bg-slate-600 hover:bg-slate-700 text-white rounded-lg text-sm" title="خروجی پیام‌ها (messages, message_attachments)">
                                💬 پیام‌ها
                            </button>
                            <button id="exp-export-reminders" class="px-4 py-2 bg-yellow-600 hover:bg-yellow-700 text-white rounded-lg text-sm" title="خروجی یادآوری‌ها (reminders)">
                                🔔 یادآوری‌ها
                            </button>
                        </div>
                    </div>

                    <div class="flex items-center gap-3">
                        <button id="exp-refresh" class="px-4 py-2 bg-blue-600 hover:bg-blue-700 text-white rounded-lg">بارگذاری اطلاعات جداول</button>
                        <span class="text-slate-400 text-sm">- تعداد رکوردها و حجم تقریبی هر جدول</span>
                    </div>
                    <div id="exp-meta" class="hidden">
                        <div class="overflow-x-auto border border-slate-800/60 rounded-xl">
                            <table class="min-w-full text-sm">
                                <thead class="bg-slate-800/50 text-slate-300">
                                    <tr>
                                        <th class="px-3 py-2 text-right">جدول</th>
                                        <th class="px-3 py-2 text-right">تعداد رکورد</th>
                                        <th class="px-3 py-2 text-right">حجم تخمینی</th>
                                        <th class="px-3 py-2 text-right">انتخاب</th>
                                    </tr>
                                </thead>
                                <tbody id="exp-tbody" class="divide-y divide-white/10"></tbody>
                                <tfoot class="bg-slate-800/30 text-slate-300">
                                    <tr>
                                        <td class="px-3 py-2">جمع کل</td>
                                        <td id="exp-total-rows" class="px-3 py-2">-</td>
                                        <td id="exp-total-size" class="px-3 py-2">-</td>
                                        <td class="px-3 py-2"></td>
                                    </tr>
                                </tfoot>
                            </table>
                        </div>
                        <div class="mt-4 space-y-4">
                            <div class="flex items-center gap-4">
                                <label class="text-slate-300">فرمت خروجی:</label>
                                <select id="exp-format" class="bg-slate-900 border border-slate-700 rounded-lg p-2 text-slate-200">
                                    <option value="json">JSON</option>
                                    <option value="csv">CSV</option>
                                    <option value="sql">SQL</option>
                                </select>
                                <button id="exp-export-selected" class="px-4 py-2 bg-blue-600 hover:bg-blue-700 text-white rounded-lg">خروجی منتخب</button>
                                <button id="exp-export-all" class="px-4 py-2 bg-green-600 hover:bg-green-700 text-white rounded-lg">خروجی کل دیتابیس</button>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Tab Content: Favicon -->
    <div id="content-favicon" class="tab-content hidden">
        <div class="glass rounded-2xl p-6">
            <div class="flex items-center gap-2 mb-6">
                <svg class="w-6 h-6 text-blue-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z"></path>
                </svg>
                <h3 class="text-xl font-bold text-blue-400">فایل Favicon</h3>
            </div>
            
            @php
                $currentFavicon = \App\Models\Setting::get('favicon_path');
                $faviconUrl = $currentFavicon ? asset('storage/' . $currentFavicon) : asset('img/favicon.ico');
            @endphp
            
            <form method="POST" action="{{ route('admin.settings.favicon.upload') }}" enctype="multipart/form-data" id="favicon-upload-form">
                @csrf
                <div class="relative">
                    <input type="file" name="favicon" id="favicon-file-input" accept=".ico,.png,.jpg,.jpeg" class="hidden" required>
                    <div id="favicon-drop-zone" class="border-2 border-dashed border-slate-500 rounded-xl p-12 text-center cursor-pointer hover:border-blue-400 transition-colors bg-slate-800/30">
                        <div class="flex flex-col items-center justify-center">
                            <svg class="w-20 h-20 text-slate-400 mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M7 16a4 4 0 01-.88-7.903A5 5 0 1115.9 6L16 6a5 5 0 011 9.9M15 13l-3-3m0 0l-3 3m3-3v12"></path>
                            </svg>
                            <p class="text-slate-300 mb-2 text-lg">فایل Favicon را اینجا بکشید یا کلیک کنید</p>
                            <p class="text-slate-400 text-sm">فرمت‌های مجاز: ICO, PNG, JPG, JPEG (حداکثر 2MB)</p>
                        </div>
                    </div>
                    <div id="favicon-file-info" class="hidden mt-4 p-4 bg-slate-800/50 rounded-lg border border-slate-700">
                        <div class="flex items-center justify-between">
                            <div class="flex items-center gap-3">
                                <svg class="w-8 h-8 text-blue-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z"></path>
                                </svg>
                                <div>
                                    <p id="favicon-file-name" class="text-slate-200 font-medium"></p>
                                    <p id="favicon-file-size" class="text-slate-400 text-sm"></p>
                                </div>
                            </div>
                            <button type="button" id="favicon-remove-file" class="text-red-400 hover:text-red-300">
                                <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"></path>
                                </svg>
                            </button>
                        </div>
                    </div>
                </div>
                
                <div class="mt-6 flex items-center gap-4">
                    <button type="submit" id="favicon-submit-btn" class="px-6 py-3 bg-indigo-600 hover:bg-indigo-700 text-white rounded-lg transition-colors font-medium disabled:opacity-50 disabled:cursor-not-allowed" disabled>
                        آپلود Favicon
                    </button>
                    @if($currentFavicon)
                    <form method="POST" action="{{ route('admin.settings.favicon.remove') }}" class="inline">
                        @csrf
                        @method('DELETE')
                        <button type="submit" class="px-6 py-3 bg-red-600 hover:bg-red-700 text-white rounded-lg transition-colors font-medium" onclick="return confirm('آیا مطمئن هستید که می‌خواهید Favicon سفارشی را حذف کنید؟')">
                            حذف Favicon سفارشی
                        </button>
                    </form>
                    @endif
                </div>
            </form>
            
            @if($currentFavicon)
            <div class="mt-6 p-4 bg-slate-800/50 rounded-lg border border-slate-700">
                <p class="text-slate-300 mb-3">Favicon فعلی:</p>
                <img src="{{ $faviconUrl }}" alt="Favicon" class="w-16 h-16 border border-slate-700 rounded-lg p-2 bg-slate-900">
            </div>
            @endif
        </div>
    </div>

    <!-- Tab Content: Backup Email -->
    <div id="content-backup-email" class="tab-content hidden">
        <div class="glass rounded-2xl p-6 max-w-xl">
            <div class="flex items-center gap-2 mb-4">
                <svg class="w-6 h-6 text-indigo-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 8l7.89 5.26a2 2 0 002.22 0L21 8M5 19h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z" />
                </svg>
                <h3 class="text-xl font-bold text-indigo-400">بک‌آپ ایمیلی روزانه</h3>
            </div>
            @php
                $backupEnabled = \App\Models\Setting::get('backup_email_enabled', '0') === '1';
                $backupRecipient = \App\Models\Setting::get('backup_email_recipient', '');
            @endphp
            <p class="text-slate-400 text-sm mb-4">
                با فعال‌سازی این گزینه، هر روز ساعت <span class="font-semibold text-slate-100">۱۹:۰۰</span> یک فایل بک‌آپ کامل از دیتابیس به ایمیل مشخص‌شده ارسال می‌شود.
            </p>
            <form method="POST" action="{{ route('admin.settings.backup-email') }}" class="space-y-4">
                @csrf
                <div class="flex items-center gap-2">
                    <input type="checkbox" id="backup_email_enabled" name="backup_email_enabled" value="1" class="rounded border-slate-600 text-indigo-500 focus:ring-indigo-500" {{ $backupEnabled ? 'checked' : '' }}>
                    <label for="backup_email_enabled" class="text-slate-200 text-sm">فعال‌سازی ارسال بک‌آپ روزانه</label>
                </div>
                <div>
                    <label for="backup_email_recipient" class="block text-slate-300 mb-1 text-sm">ایمیل دریافت‌کننده بک‌آپ</label>
                    <input type="email" id="backup_email_recipient" name="backup_email_recipient" value="{{ $backupRecipient }}" class="w-full rounded-md bg-slate-900 border border-slate-700 px-3 py-2 text-slate-200 text-sm" placeholder="example@domain.com">
                    <p class="text-xs text-slate-500 mt-1">مطمئن شو این ایمیل وجود دارد و فضای کافی برای دریافت فایل دارد.</p>
                </div>
                <button type="submit" class="px-4 py-2 bg-indigo-600 hover:bg-indigo-700 text-white rounded-lg text-sm">
                    ذخیره تنظیمات بک‌آپ
                </button>
            </form>
        </div>
    </div>

    <!-- Tab Content: Sample Data -->
    <div id="content-sample-data" class="tab-content hidden">
        <div class="glass rounded-2xl p-6">
            <h3 class="text-xl font-bold text-slate-100 mb-4">ورود اطلاعات سمپل / حذف اطلاعات سمپل</h3>
            <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
                <!-- Clear sample data -->
                <div class="glass rounded-xl p-5 border border-slate-800/60">
                    <h4 class="text-lg font-semibold text-slate-200 mb-3">حذف اطلاعات</h4>
                    <form method="POST" action="{{ route('admin.settings.clear') }}" class="space-y-3">
                        @csrf
                        <div class="space-y-2 text-slate-300">
                            <label class="flex items-center gap-2">
                                <input type="checkbox" name="tables[]" value="users" class="rounded"> 
                                کاربران (به جز سوپر ادمین)
                            </label>
                            <label class="flex items-center gap-2">
                                <input type="checkbox" name="tables[]" value="suppliers" class="rounded"> 
                                تامین‌کنندگان
                            </label>
                            <label class="flex items-center gap-2">
                                <input type="checkbox" name="tables[]" value="products" class="rounded"> 
                                محصولات
                            </label>
                            <label class="flex items-center gap-2">
                                <input type="checkbox" name="tables[]" value="purchase_requests" class="rounded"> 
                                درخواست‌های خرید
                            </label>
                            <label class="flex items-center gap-2">
                                <input type="checkbox" name="tables[]" value="samples" class="rounded"> 
                                درخواست‌های نمونه
                            </label>
                            <label class="flex items-center gap-2">
                                <input type="checkbox" name="tables[]" value="all" class="rounded"> 
                                همه موارد
                            </label>
                        </div>
                        <button type="submit" class="px-5 py-2 bg-red-600 text-white font-medium rounded-xl shadow hover:bg-red-700 transition">حذف اطلاعات انتخاب شده</button>
                    </form>
                </div>

                <!-- Seed sample data -->
                <div class="glass rounded-xl p-5 border border-slate-800/60">
                    <h4 class="text-lg font-semibold text-slate-200 mb-3">ورود اطلاعات</h4>
                    <p class="text-slate-400 text-sm mb-4">با انتخاب گزینه‌های زیر، داده‌های نمونه مورد نظر ایجاد می‌شود.</p>
                    <form method="POST" action="{{ route('admin.settings.seed') }}" class="space-y-3">
                        @csrf
                        <div class="space-y-2 text-slate-300">
                            <label class="flex items-center gap-2">
                                <input type="checkbox" name="seed_tables[]" value="users" class="rounded"> 
                                کاربران (۱۰ کاربر نمونه)
                            </label>
                            <label class="flex items-center gap-2">
                                <input type="checkbox" name="seed_tables[]" value="suppliers" class="rounded"> 
                                تامین‌کنندگان (۲۰ تامین‌کننده)
                            </label>
                            <label class="flex items-center gap-2">
                                <input type="checkbox" name="seed_tables[]" value="products" class="rounded"> 
                                محصولات (۵۰ محصول)
                            </label>
                            <label class="flex items-center gap-2">
                                <input type="checkbox" name="seed_tables[]" value="purchase_requests" class="rounded"> 
                                درخواست‌های خرید (۳۰ درخواست)
                            </label>
                            <label class="flex items-center gap-2">
                                <input type="checkbox" name="seed_tables[]" value="samples" class="rounded"> 
                                درخواست‌های نمونه (۱۵ درخواست)
                            </label>
                            <label class="flex items-center gap-2">
                                <input type="checkbox" name="seed_tables[]" value="all" class="rounded"> 
                                همه موارد
                            </label>
                        </div>
                        <button type="submit" class="px-5 py-2 bg-green-600 text-white font-medium rounded-xl shadow hover:bg-green-700 transition">ایجاد اطلاعات نمونه انتخاب شده</button>
                    </form>
                </div>
            </div>
        </div>
    </div>
</div>
@push('styles')
<style>
    /* Tab styles */
    .tab-content {
        animation: fadeIn 0.3s ease-in;
    }
    
    @keyframes fadeIn {
        from {
            opacity: 0;
            transform: translateY(10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    /* Increase font-size for checkbox labels in sample data section */
    #content-sample-data label { font-size: 12px !important; }
    /* Optional: also ensure helper texts in this section align with 12px */
    #content-sample-data .text-sm { font-size: 12px !important; }
    #content-sample-data p { font-size: 12px !important; }
 </style>
<script>
// Tab switching functionality
function switchTab(tabName) {
    // Hide all tab contents
    document.querySelectorAll('.tab-content').forEach(content => {
        content.classList.add('hidden');
    });
    
    // Remove active state from all tabs
    document.querySelectorAll('.tab-button').forEach(button => {
        button.classList.remove('bg-indigo-600', 'text-white');
        button.classList.add('text-slate-300', 'hover:text-white', 'hover:bg-white/5');
        button.setAttribute('aria-selected', 'false');
    });
    
    // Show selected tab content
    const selectedContent = document.getElementById('content-' + tabName);
    if (selectedContent) {
        selectedContent.classList.remove('hidden');
    }
    
    // Add active state to selected tab
    const selectedTab = document.getElementById('tab-' + tabName);
    if (selectedTab) {
        selectedTab.classList.add('bg-indigo-600', 'text-white');
        selectedTab.classList.remove('text-slate-300', 'hover:text-white', 'hover:bg-white/5');
        selectedTab.setAttribute('aria-selected', 'true');
    }
}

document.addEventListener('DOMContentLoaded', () => {
    const btnRefresh = document.getElementById('exp-refresh');
    const metaWrap = document.getElementById('exp-meta');
    const tbody = document.getElementById('exp-tbody');
    const totalRowsEl = document.getElementById('exp-total-rows');
    const totalSizeEl = document.getElementById('exp-total-size');
    const fmtSel = document.getElementById('exp-format');
    const btnExportSel = document.getElementById('exp-export-selected');
    const btnExportAll = document.getElementById('exp-export-all');

    function humanSize(bytes){ if(!bytes) return '-'; const units=['B','KB','MB','GB','TB']; let i=0; let v=bytes; while(v>1024 && i<units.length-1){ v/=1024; i++; } return v.toFixed(2)+' '+units[i]; }

    btnRefresh.addEventListener('click', () => {
        fetch(`{{ route('admin.settings.export.meta') }}`, { headers: { 'X-Requested-With': 'XMLHttpRequest' }})
            .then(r => r.json())
            .then(data => {
                metaWrap.classList.remove('hidden');
                tbody.innerHTML = '';
                (data.tables || []).forEach(t => {
                    const tr = document.createElement('tr');
                    tr.innerHTML = `
                        <td class="px-3 py-2 text-slate-200">${t.name}</td>
                        <td class="px-3 py-2 text-slate-200">${t.rows}</td>
                        <td class="px-3 py-2 text-slate-200">${humanSize(t.size_bytes)}</td>
                        <td class="px-3 py-2"><input type="checkbox" class="exp-row" value="${t.name}"></td>
                    `;
                    tbody.appendChild(tr);
                });
                totalRowsEl.textContent = (data.totals && data.totals.rows) || 0;
                totalSizeEl.textContent = humanSize((data.totals && data.totals.size_bytes) || 0);
            })
            .catch(() => { alert('خطا در دریافت اطلاعات جداول'); });
    });

    function postExport(payload){
        const form = document.createElement('form');
        form.method = 'POST';
        form.action = `{{ route('admin.settings.export') }}`;
        form.style.display = 'none';
        const csrf = document.createElement('input'); csrf.type = 'hidden'; csrf.name = '_token'; csrf.value = document.querySelector('meta[name="csrf-token"]').getAttribute('content'); form.appendChild(csrf);
        Object.entries(payload).forEach(([k,v]) => {
            if (Array.isArray(v)) {
                v.forEach(val => { const i = document.createElement('input'); i.type='hidden'; i.name = k+'[]'; i.value = val; form.appendChild(i); });
            } else { const i = document.createElement('input'); i.type='hidden'; i.name = k; i.value = v; form.appendChild(i); }
        });
        document.body.appendChild(form);
        form.submit();
        setTimeout(()=>form.remove(), 1000);
    }

    btnExportSel.addEventListener('click', () => {
        const selected = Array.from(document.querySelectorAll('.exp-row:checked')).map(i => i.value);
        if (!selected.length) { alert('لطفاً حداقل یک جدول را انتخاب کنید.'); return; }
        postExport({ tables: selected, format: fmtSel.value });
    });
    btnExportAll.addEventListener('click', () => { postExport({ all: 1, format: fmtSel.value }); });
    
    // Quick export buttons
    const btnExportUsers = document.getElementById('exp-export-users');
    const btnExportProducts = document.getElementById('exp-export-products');
    const btnExportSuppliers = document.getElementById('exp-export-suppliers');
    const btnExportPurchaseRequests = document.getElementById('exp-export-purchase-requests');
    const btnExportPurchaseOrders = document.getElementById('exp-export-purchase-orders');
    const btnExportPriceInquiry = document.getElementById('exp-export-price-inquiry');
    const btnExportAccounting = document.getElementById('exp-export-accounting');
    const btnExportInventory = document.getElementById('exp-export-inventory');
    const btnExportMessages = document.getElementById('exp-export-messages');
    const btnExportReminders = document.getElementById('exp-export-reminders');
    
    if (btnExportUsers) {
        btnExportUsers.addEventListener('click', () => {
            postExport({ 
                tables: ['users'], 
                format: fmtSel.value,
                section: 'User'
            });
        });
    }
    
    if (btnExportProducts) {
        btnExportProducts.addEventListener('click', () => {
            postExport({ 
                tables: ['products', 'product_supplier', 'product_price_history', 'product_experiences'], 
                format: fmtSel.value,
                section: 'Products'
            });
        });
    }
    
    if (btnExportSuppliers) {
        btnExportSuppliers.addEventListener('click', () => {
            postExport({ 
                tables: ['suppliers', 'supplier_notes', 'supplier_phones', 'supplier_sales_experts'], 
                format: fmtSel.value,
                section: 'Suppliers'
            });
        });
    }
    
    if (btnExportPurchaseRequests) {
        btnExportPurchaseRequests.addEventListener('click', () => {
            postExport({ 
                tables: ['purchase_requests', 'purchase_request_items', 'purchase_request_item_offers', 'purchase_request_costs', 'purchase_request_attachments'], 
                format: fmtSel.value,
                section: 'PurchaseRequests'
            });
        });
    }
    
    if (btnExportPurchaseOrders) {
        btnExportPurchaseOrders.addEventListener('click', () => {
            postExport({ 
                tables: ['purchase_orders', 'purchase_order_items', 'purchase_order_attachments'], 
                format: fmtSel.value,
                section: 'PurchaseOrders'
            });
        });
    }
    
    if (btnExportPriceInquiry) {
        btnExportPriceInquiry.addEventListener('click', () => {
            postExport({ 
                tables: ['price_inquiry_sessions'], 
                format: fmtSel.value,
                section: 'PriceInquiry'
            });
        });
    }
    
    if (btnExportAccounting) {
        btnExportAccounting.addEventListener('click', () => {
            postExport({ 
                tables: ['accounting_suppliers', 'accounting_debts', 'accounting_transactions'], 
                format: fmtSel.value,
                section: 'Accounting'
            });
        });
    }
    
    if (btnExportInventory) {
        btnExportInventory.addEventListener('click', () => {
            postExport({ 
                tables: ['warehouses', 'inventories', 'inventory_batches', 'inventory_transactions', 'inventory_outputs', 'inventory_entries'], 
                format: fmtSel.value,
                section: 'Inventory'
            });
        });
    }
    
    if (btnExportMessages) {
        btnExportMessages.addEventListener('click', () => {
            postExport({ 
                tables: ['messages', 'message_attachments'], 
                format: fmtSel.value,
                section: 'Messages'
            });
        });
    }
    
    if (btnExportReminders) {
        btnExportReminders.addEventListener('click', () => {
            postExport({ 
                tables: ['reminders'], 
                format: fmtSel.value,
                section: 'Reminders'
            });
        });
    }
});
</script>
<script>
// Import file upload functionality with drag & drop
document.addEventListener('DOMContentLoaded', () => {
    const fileInput = document.getElementById('import-file');
    const dropZone = document.getElementById('import-drop-zone');
    const fileInfo = document.getElementById('import-file-info');
    const fileName = document.getElementById('import-file-name');
    const fileSize = document.getElementById('import-file-size');
    const removeFileBtn = document.getElementById('import-remove-file');
    const submitBtn = document.getElementById('import-submit-btn');
    const importForm = document.getElementById('import-form');

    if (!fileInput || !dropZone) return;

    // Click to upload
    dropZone.addEventListener('click', () => {
        fileInput.click();
    });

    // Drag and drop
    dropZone.addEventListener('dragover', (e) => {
        e.preventDefault();
        dropZone.classList.add('border-blue-400', 'bg-slate-800/50');
    });

    dropZone.addEventListener('dragleave', () => {
        dropZone.classList.remove('border-blue-400', 'bg-slate-800/50');
    });

    dropZone.addEventListener('drop', (e) => {
        e.preventDefault();
        dropZone.classList.remove('border-blue-400', 'bg-slate-800/50');
        
        const files = e.dataTransfer.files;
        if (files.length > 0) {
            handleFileSelect(files[0]);
        }
    });

    // File input change
    fileInput.addEventListener('change', (e) => {
        if (e.target.files.length > 0) {
            handleFileSelect(e.target.files[0]);
        }
    });

    // Handle file selection
    function handleFileSelect(file) {
        // Validate file type
        const allowedTypes = ['.json', '.csv', '.sql'];
        const fileExtension = '.' + file.name.split('.').pop().toLowerCase();
        if (!allowedTypes.includes(fileExtension)) {
            alert('فرمت فایل مجاز نیست. لطفاً فایلی با فرمت JSON, CSV یا SQL انتخاب کنید.');
            return;
        }

        // Validate file size (10MB)
        if (file.size > 10 * 1024 * 1024) {
            alert('حجم فایل باید کمتر از 10MB باشد.');
            return;
        }

        // Display file info
        fileName.textContent = file.name;
        fileSize.textContent = formatFileSize(file.size);
        fileInfo.classList.remove('hidden');
        submitBtn.disabled = false;
    }

    // Remove file
    removeFileBtn.addEventListener('click', () => {
        fileInput.value = '';
        fileInfo.classList.add('hidden');
        submitBtn.disabled = true;
    });

    // Format file size
    function formatFileSize(bytes) {
        if (bytes === 0) return '0 Bytes';
        const k = 1024;
        const sizes = ['Bytes', 'KB', 'MB', 'GB'];
        const i = Math.floor(Math.log(bytes) / Math.log(k));
        return Math.round(bytes / Math.pow(k, i) * 100) / 100 + ' ' + sizes[i];
    }
});

// Success modal functions
function closeSuccessModal() {
    const modal = document.getElementById('success-modal');
    if (modal) {
        modal.style.display = 'none';
    }
}

// Close modal when clicking outside
document.addEventListener('click', (e) => {
    const modal = document.getElementById('success-modal');
    if (modal && e.target === modal) {
        closeSuccessModal();
    }
});

// Favicon upload functionality
document.addEventListener('DOMContentLoaded', () => {
    const fileInput = document.getElementById('favicon-file-input');
    const dropZone = document.getElementById('favicon-drop-zone');
    const fileInfo = document.getElementById('favicon-file-info');
    const fileName = document.getElementById('favicon-file-name');
    const fileSize = document.getElementById('favicon-file-size');
    const removeFileBtn = document.getElementById('favicon-remove-file');
    const submitBtn = document.getElementById('favicon-submit-btn');
    const uploadForm = document.getElementById('favicon-upload-form');

    // Click to upload
    dropZone.addEventListener('click', () => {
        fileInput.click();
    });

    // Drag and drop
    dropZone.addEventListener('dragover', (e) => {
        e.preventDefault();
        dropZone.classList.add('border-blue-400', 'bg-slate-800/50');
    });

    dropZone.addEventListener('dragleave', () => {
        dropZone.classList.remove('border-blue-400', 'bg-slate-800/50');
    });

    dropZone.addEventListener('drop', (e) => {
        e.preventDefault();
        dropZone.classList.remove('border-blue-400', 'bg-slate-800/50');
        
        const files = e.dataTransfer.files;
        if (files.length > 0) {
            handleFileSelect(files[0]);
        }
    });

    // File input change
    fileInput.addEventListener('change', (e) => {
        if (e.target.files.length > 0) {
            handleFileSelect(e.target.files[0]);
        }
    });

    // Handle file selection
    function handleFileSelect(file) {
        // Validate file type
        const allowedTypes = ['image/x-icon', 'image/png', 'image/jpeg', 'image/jpg'];
        if (!allowedTypes.includes(file.type) && !file.name.match(/\.(ico|png|jpg|jpeg)$/i)) {
            alert('فرمت فایل مجاز نیست. لطفاً فایلی با فرمت ICO, PNG, JPG یا JPEG انتخاب کنید.');
            return;
        }

        // Validate file size (2MB)
        if (file.size > 2 * 1024 * 1024) {
            alert('حجم فایل باید کمتر از 2MB باشد.');
            return;
        }

        // Display file info
        fileName.textContent = file.name;
        fileSize.textContent = formatFileSize(file.size);
        fileInfo.classList.remove('hidden');
        submitBtn.disabled = false;
    }

    // Remove file
    removeFileBtn.addEventListener('click', () => {
        fileInput.value = '';
        fileInfo.classList.add('hidden');
        submitBtn.disabled = true;
    });

    // Format file size
    function formatFileSize(bytes) {
        if (bytes === 0) return '0 Bytes';
        const k = 1024;
        const sizes = ['Bytes', 'KB', 'MB'];
        const i = Math.floor(Math.log(bytes) / Math.log(k));
        return Math.round(bytes / Math.pow(k, i) * 100) / 100 + ' ' + sizes[i];
    }
});
</script>
@endpush
@endsection