frontendPlayer/lib/presentation/pages/license_builder_page.dart

import 'package:flutter/material.dart';
import '../../core/constants/app_colors.dart';
import '../../core/constants/app_text_styles.dart';
import '../widgets/teacher_panel_scaffold.dart';
import 'course_page.dart';
import 'dashboard_page.dart';
import 'license_page.dart';
import 'ticket_page.dart';
import 'transaction_page.dart';

class LicenseBuilderPage extends StatefulWidget {
  const LicenseBuilderPage({super.key});

  @override
  State<LicenseBuilderPage> createState() => _LicenseBuilderPageState();
}

class _LicenseBuilderPageState extends State<LicenseBuilderPage> {
  String _position = 'بالا راست';
  final TextEditingController _offsetController = TextEditingController(text: '۳۰');
  final TextEditingController _paddingController = TextEditingController(text: '۴۸');

  final List<String> _positions = const [
    'بالا راست',
    'بالا وسط',
    'بالا چپ',
    'وسط راست',
    'وسط',
    'وسط چپ',
    'پایین راست',
    'پایین وسط',
    'پایین چپ',
  ];

  @override
  void dispose() {
    _offsetController.dispose();
    _paddingController.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    final isDesktop = MediaQuery.of(context).size.width > 900;

    return TeacherPanelScaffold(
      selectedMenu: PanelMenu.license,
      onDashboardTap: () {
        Navigator.of(context).pushReplacement(
          MaterialPageRoute(builder: (context) => const DashboardPage()),
        );
      },
      onCourseTap: () {
        Navigator.of(context).pushReplacement(
          MaterialPageRoute(builder: (context) => const CoursePage()),
        );
      },
      onLicenseTap: () {
        Navigator.of(context).pushReplacement(
          MaterialPageRoute(builder: (context) => const PanelLicensePage()),
        );
      },
      onTransactionTap: () {
        Navigator.of(context).push(
          MaterialPageRoute(builder: (context) => const TransactionPage()),
        );
      },
      onTicketTap: () {
        Navigator.of(context).push(
          MaterialPageRoute(builder: (context) => const TicketPage()),
        );
      },
      child: SingleChildScrollView(
        padding: EdgeInsets.all(isDesktop ? 24 : 12),
        child: Container(
          decoration: BoxDecoration(
            color: Colors.white.withValues(alpha: 0.35),
            borderRadius: BorderRadius.circular(10),
          ),
          padding: EdgeInsets.all(isDesktop ? 18 : 12),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              InkWell(
                onTap: () => Navigator.pop(context),
                child: const Icon(Icons.arrow_back, color: AppColors.sidebarBg),
              ),
              const SizedBox(height: 10),
              Row(
                mainAxisAlignment: MainAxisAlignment.end,
                children: [
                  const Icon(Icons.settings, size: 18, color: AppColors.sidebarBg),
                  const SizedBox(width: 6),
                  Text(
                    'تنظیمات پیش فرض لایسنس ها',
                    style: AppTextStyles.headlineMedium.copyWith(
                      color: AppColors.sidebarBg,
                      fontSize: 20,
                    ),
                  ),
                ],
              ),
              const SizedBox(height: 12),
              Container(height: 1, color: Colors.black12),
              const SizedBox(height: 12),
              Text(
                'تنظیمات پیشفرض لایسنس هنگام ساخت لایسنس توسط API در صورت وجود نداشتن استفاده می‌شود. '
                'همچنین در صفحه لایسنس جدید این تنظیمات به صورت پیشفرض لود می‌شوند.',
                style: AppTextStyles.bodyMedium,
              ),
              const SizedBox(height: 40),
              Align(
                alignment: Alignment.centerRight,
                child: Text('تنظیمات واترمارک', style: AppTextStyles.headlineMedium),
              ),
              const SizedBox(height: 18),
              Row(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  SizedBox(
                    width: isDesktop ? 120 : 90,
                    child: Padding(
                      padding: const EdgeInsets.only(top: 70),
                      child: Text('مکان نمایش', style: AppTextStyles.bodyLarge),
                    ),
                  ),
                  Expanded(
                    child: Wrap(
                      spacing: 20,
                      runSpacing: 8,
                      children: _positions.map((item) {
                        final selected = _position == item;
                        return SizedBox(
                          width: isDesktop ? 170 : 130,
                          child: InkWell(
                            onTap: () => setState(() => _position = item),
                            child: Row(
                              mainAxisSize: MainAxisSize.min,
                              children: [
                                Icon(
                                  selected
                                      ? Icons.radio_button_checked
                                      : Icons.radio_button_unchecked,
                                  color: AppColors.sidebarBg,
                                ),
                                const SizedBox(width: 6),
                                Text(
                                  item,
                                  style: AppTextStyles.bodyLarge.copyWith(
                                    color: AppColors.sidebarBg,
                                  ),
                                ),
                              ],
                            ),
                          ),
                        );
                      }).toList(),
                    ),
                  ),
                ],
              ),
              const SizedBox(height: 18),
              _buildLabel('جابه جایی'),
              const SizedBox(height: 6),
              _buildNumberField(_offsetController, 'ثانیه'),
              const SizedBox(height: 6),
              Text(
                'این مقدار تعیین میکند مکان نمایش واترمارک هرچند ثانیه در صفحه تغییر کند.',
                style: AppTextStyles.bodyMedium,
              ),
              const SizedBox(height: 14),
              _buildLabel('حاشیه'),
              const SizedBox(height: 6),
              _buildNumberField(_paddingController, 'پیکسل'),
            ],
          ),
        ),
      ),
    );
  }

  Widget _buildLabel(String text) {
    return Align(
      alignment: Alignment.centerRight,
      child: Text(text, style: AppTextStyles.bodyLarge),
    );
  }

  Widget _buildNumberField(TextEditingController controller, String unit) {
    return Container(
      height: 40,
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.circular(10),
        border: Border.all(color: AppColors.sidebarBg.withValues(alpha: 0.7)),
      ),
      child: Row(
        children: [
          Container(
            margin: const EdgeInsets.symmetric(horizontal: 8),
            padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 2),
            decoration: BoxDecoration(
              color: Colors.blueGrey.withValues(alpha: 0.2),
              borderRadius: BorderRadius.circular(10),
            ),
            child: Text(
              unit,
              style: AppTextStyles.bodyMedium.copyWith(color: AppColors.sidebarBg),
            ),
          ),
          Expanded(
            child: TextField(
              controller: controller,
              textAlign: TextAlign.right,
              keyboardType: TextInputType.number,
              decoration: const InputDecoration(
                border: InputBorder.none,
                contentPadding: EdgeInsets.symmetric(horizontal: 10),
              ),
            ),
          ),
        ],
      ),
    );
  }
}