@extends('layouts.admin')

@section('title', 'Tạo tài khoản hàng loạt')

@section('content')
    <!-- Success/Error Messages -->
    @if(session('success'))
        <div class="alert alert-success">
            ✅ {{ session('success') }}
        </div>
    @endif

    @if($errors->any())
        <div class="alert alert-danger">
            @foreach($errors->all() as $error)
                ❌ {{ $error }}<br>
            @endforeach
        </div>
    @endif

    <!-- Page Header -->
    <div class="content-card">
        <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem;">
            <div>
                <h1 style="font-size: 1.875rem; font-weight: 700; color: #f1f5f9; margin-bottom: 0.5rem; display: flex; align-items: center; gap: 0.75rem;">
                    <i class="fas fa-users" style="color: #60a5fa;"></i>
                    Tạo tài khoản hàng loạt
                </h1>
                <p style="color: #cbd5e1;">
                    Tạo nhiều tài khoản cùng lúc với tiền tố và hậu tố tùy chỉnh
                </p>
            </div>
            <div style="display: flex; gap: 0.75rem;">
                <a href="{{ route('admin.accounts.index') }}" class="btn btn-secondary">
                    <i class="fas fa-arrow-left"></i>
                    <span>Quay lại</span>
                </a>
                <a href="{{ route('admin.accounts.create') }}" class="btn btn-info">
                    <i class="fas fa-user-plus"></i>
                    <span>Tạo đơn lẻ</span>
                </a>
            </div>
        </div>
    </div>

    <!-- Bulk Create Form -->
    <div class="content-card">
        <div class="form-header">
            <h3>📝 Cấu hình tạo hàng loạt</h3>
            <p>Điền thông tin để tạo nhiều tài khoản cùng lúc</p>
        </div>

        <form action="{{ route('admin.accounts.bulk-store') }}" method="POST">
            @csrf
            
            <div class="form-grid">
                <div class="form-group">
                    <label for="prefix" class="form-label">
                        <i class="fas fa-tag"></i>
                        Tiền tố *
                    </label>
                    <input type="text" 
                           name="prefix" 
                           id="prefix" 
                           class="form-control" 
                           value="{{ old('prefix') }}" 
                           required 
                           maxlength="20"
                           pattern="[a-zA-Z0-9_]+"
                           placeholder="VD: player">
                    <div class="form-help">
                        Tiền tố cho tên tài khoản (chỉ chữ cái, số, dấu gạch dưới)
                    </div>
                </div>

                <div class="form-group">
                    <label for="suffix" class="form-label">
                        <i class="fas fa-tag"></i>
                        Hậu tố (tùy chọn)
                    </label>
                    <input type="text" 
                           name="suffix" 
                           id="suffix" 
                           class="form-control" 
                           value="{{ old('suffix') }}" 
                           maxlength="20"
                           pattern="[a-zA-Z0-9_]*"
                           placeholder="VD: _vip">
                    <div class="form-help">
                        Hậu tố cho tên tài khoản (để trống nếu không cần)
                    </div>
                </div>

                <div class="form-group">
                    <label for="count" class="form-label">
                        <i class="fas fa-hashtag"></i>
                        Số lượng *
                    </label>
                    <input type="number" 
                           name="count" 
                           id="count" 
                           class="form-control" 
                           value="{{ old('count', 10) }}" 
                           required 
                           min="1" 
                           max="100"
                           placeholder="10">
                    <div class="form-help">
                        Số tài khoản muốn tạo (tối đa 100)
                    </div>
                </div>

                <div class="form-group">
                    <label for="password" class="form-label">
                        <i class="fas fa-lock"></i>
                        Mật khẩu chung *
                    </label>
                    <input type="password" 
                           name="password" 
                           id="password" 
                           class="form-control" 
                           required 
                           minlength="6"
                           maxlength="50"
                           placeholder="Mật khẩu cho tất cả tài khoản">
                    <div class="form-help">
                        Mật khẩu sẽ được áp dụng cho tất cả tài khoản
                    </div>
                </div>

                <div class="form-group full-width">
                    <label for="email_template" class="form-label">
                        <i class="fas fa-envelope"></i>
                        Mẫu email (tùy chọn)
                    </label>
                    <input type="email" 
                           name="email_template" 
                           id="email_template" 
                           class="form-control" 
                           value="{{ old('email_template') }}" 
                           maxlength="255"
                           placeholder="VD: admin@example.com">
                    <div class="form-help">
                        Nếu điền, email sẽ được tạo theo dạng: admin+player001@example.com
                    </div>
                </div>
            </div>

            <!-- Preview Section -->
            <div class="preview-section">
                <h4>🔍 Xem trước tên tài khoản:</h4>
                <div class="preview-list" id="preview-list">
                    <div class="preview-item">Nhập thông tin để xem trước...</div>
                </div>
            </div>

            <div class="form-actions">
                <button type="submit" class="btn btn-success">
                    <i class="fas fa-users"></i>
                    Tạo tài khoản hàng loạt
                </button>
                <a href="{{ route('admin.accounts.index') }}" class="btn btn-secondary">
                    <i class="fas fa-times"></i>
                    Hủy bỏ
                </a>
            </div>
        </form>
    </div>

    <!-- Results Section -->
    @if(session('created_accounts'))
        <div class="content-card">
            <div class="results-header">
                <h3>✅ Kết quả tạo tài khoản</h3>
                <p>Danh sách tài khoản đã được tạo thành công</p>
            </div>

            <div class="results-grid">
                @foreach(session('created_accounts') as $account)
                    <div class="result-item">
                        <div class="account-info">
                            <strong>{{ $account['username'] }}</strong>
                            @if($account['email'])
                                <small>{{ $account['email'] }}</small>
                            @endif
                        </div>
                        <a href="{{ route('admin.accounts.show', $account['id']) }}" class="btn btn-sm btn-info">
                            Xem
                        </a>
                    </div>
                @endforeach
            </div>
        </div>
    @endif

    @if(session('errors_list'))
        <div class="content-card">
            <div class="errors-header">
                <h3>⚠️ Lỗi trong quá trình tạo</h3>
                <p>Một số tài khoản không thể tạo được</p>
            </div>

            <div class="errors-list">
                @foreach(session('errors_list') as $error)
                    <div class="error-item">{{ $error }}</div>
                @endforeach
            </div>
        </div>
    @endif
@endsection

@section('styles')
<style>
    .content-card {
        background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
        border-radius: 12px;
        padding: 1.5rem;
        margin-bottom: 1.5rem;
        border: 1px solid #475569;
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    }

    .form-header {
        margin-bottom: 2rem;
        padding-bottom: 1rem;
        border-bottom: 1px solid #475569;
    }

    .form-header h3 {
        color: #f1f5f9;
        font-size: 1.25rem;
        font-weight: 600;
        margin-bottom: 0.5rem;
    }

    .form-header p {
        color: #94a3b8;
        font-size: 0.875rem;
    }

    .form-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-bottom: 2rem;
    }

    @media (min-width: 768px) {
        .form-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

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

    .form-group {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }

    .form-label {
        font-weight: 600;
        color: #f1f5f9;
        display: flex;
        align-items: center;
        gap: 0.5rem;
        font-size: 0.875rem;
    }

    .form-label i {
        color: #60a5fa;
        width: 16px;
    }

    .form-control {
        background: #0f172a;
        border: 1px solid #475569;
        border-radius: 8px;
        padding: 0.75rem;
        color: #f1f5f9;
        font-size: 0.875rem;
        transition: all 0.2s;
    }

    .form-control:focus {
        outline: none;
        border-color: #60a5fa;
        box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.1);
    }

    .form-help {
        font-size: 0.75rem;
        color: #94a3b8;
        font-style: italic;
    }

    .preview-section {
        background: #0f172a;
        border: 1px solid #475569;
        border-radius: 8px;
        padding: 1rem;
        margin-bottom: 2rem;
    }

    .preview-section h4 {
        color: #f1f5f9;
        font-size: 1rem;
        font-weight: 600;
        margin-bottom: 1rem;
    }

    .preview-list {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .preview-item {
        background: #1e293b;
        color: #94a3b8;
        padding: 0.5rem 0.75rem;
        border-radius: 6px;
        font-size: 0.875rem;
        border: 1px solid #475569;
    }

    .form-actions {
        display: flex;
        gap: 1rem;
        justify-content: flex-start;
        padding-top: 1rem;
        border-top: 1px solid #475569;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        padding: 0.75rem 1.5rem;
        border-radius: 8px;
        font-weight: 600;
        font-size: 0.875rem;
        text-decoration: none;
        border: none;
        cursor: pointer;
        transition: all 0.2s;
    }

    .btn-sm {
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
    }

    .btn-success {
        background: linear-gradient(135deg, #059669 0%, #10b981 100%);
        color: white;
    }

    .btn-success:hover {
        background: linear-gradient(135deg, #047857 0%, #059669 100%);
        transform: translateY(-1px);
    }

    .btn-secondary {
        background: #475569;
        color: #f1f5f9;
    }

    .btn-secondary:hover {
        background: #64748b;
        transform: translateY(-1px);
    }

    .btn-info {
        background: linear-gradient(135deg, #0284c7 0%, #0ea5e9 100%);
        color: white;
    }

    .btn-info:hover {
        background: linear-gradient(135deg, #0369a1 0%, #0284c7 100%);
        transform: translateY(-1px);
    }

    .alert {
        padding: 1rem;
        border-radius: 8px;
        margin-bottom: 1.5rem;
        font-weight: 500;
    }

    .alert-success {
        background: rgba(16, 185, 129, 0.1);
        border: 1px solid #10b981;
        color: #10b981;
    }

    .alert-danger {
        background: rgba(239, 68, 68, 0.1);
        border: 1px solid #ef4444;
        color: #ef4444;
    }

    .results-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 1rem;
    }

    .result-item {
        background: #0f172a;
        border: 1px solid #475569;
        border-radius: 8px;
        padding: 1rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .account-info strong {
        color: #f1f5f9;
        display: block;
    }

    .account-info small {
        color: #94a3b8;
        font-size: 0.75rem;
    }

    .errors-list {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }

    .error-item {
        background: rgba(239, 68, 68, 0.1);
        border: 1px solid #ef4444;
        color: #ef4444;
        padding: 0.75rem;
        border-radius: 6px;
        font-size: 0.875rem;
    }

    .results-header, .errors-header {
        margin-bottom: 1.5rem;
        padding-bottom: 1rem;
        border-bottom: 1px solid #475569;
    }

    .results-header h3, .errors-header h3 {
        color: #f1f5f9;
        font-size: 1.25rem;
        font-weight: 600;
        margin-bottom: 0.5rem;
    }

    .results-header p, .errors-header p {
        color: #94a3b8;
        font-size: 0.875rem;
    }
</style>
@endsection

@section('scripts')
<script>
document.addEventListener('DOMContentLoaded', function() {
    const prefixInput = document.getElementById('prefix');
    const suffixInput = document.getElementById('suffix');
    const countInput = document.getElementById('count');
    const previewList = document.getElementById('preview-list');

    function updatePreview() {
        const prefix = prefixInput.value || 'prefix';
        const suffix = suffixInput.value || '';
        const count = parseInt(countInput.value) || 1;
        
        previewList.innerHTML = '';
        
        if (count > 10) {
            // Show first 5 and last 5 if count > 10
            for (let i = 1; i <= 5; i++) {
                const username = prefix + i + suffix;
                const item = document.createElement('div');
                item.className = 'preview-item';
                item.textContent = username;
                previewList.appendChild(item);
            }
            
            if (count > 10) {
                const dots = document.createElement('div');
                dots.className = 'preview-item';
                dots.textContent = '...';
                dots.style.fontStyle = 'italic';
                previewList.appendChild(dots);
                
                for (let i = count - 4; i <= count; i++) {
                    const username = prefix + i + suffix;
                    const item = document.createElement('div');
                    item.className = 'preview-item';
                    item.textContent = username;
                    previewList.appendChild(item);
                }
            }
        } else {
            // Show all if count <= 10
            for (let i = 1; i <= count; i++) {
                const username = prefix + i + suffix;
                const item = document.createElement('div');
                item.className = 'preview-item';
                item.textContent = username;
                previewList.appendChild(item);
            }
        }
    }

    prefixInput.addEventListener('input', updatePreview);
    suffixInput.addEventListener('input', updatePreview);
    countInput.addEventListener('input', updatePreview);

    // Initial preview
    updatePreview();
});
</script>
@endsection