didvan-app/lib/views/ai_section/widgets/ai_section_bnb.dart

import 'package:didvan/config/design_config.dart';
import 'package:didvan/config/theme_data.dart';
import 'package:didvan/models/ai/ai_chat_args.dart';
import 'package:didvan/models/ai/tools_model.dart';
import 'package:didvan/routes/routes.dart';
import 'package:didvan/services/webview.dart';
import 'package:didvan/views/ai/ai_state.dart';
import 'package:didvan/views/widgets/didvan/text.dart';
import 'package:flutter/material.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'package:provider/provider.dart';

class AiSectionBNB extends StatelessWidget {
  final int currentTabIndex;
  final void Function(int index) onTabChanged;

  const AiSectionBNB(
      {Key? key, required this.currentTabIndex, required this.onTabChanged})
      : super(key: key);

  @override
  Widget build(BuildContext context) {
    const String cameraSolid = 'lib/assets/icons/houshanNav/imagegeneratorS.svg';
    const String cameraRegular = 'lib/assets/icons/houshanNav/imagegeneratorU.svg';
    const String micSolid = 'lib/assets/icons/houshanNav/aichatS.svg';
    const String micRegular = 'lib/assets/icons/houshanNav/aichatU.svg';
    const String aiSolid = 'lib/assets/icons/houshanNav/houshan.svg';
    const String aiRegular = 'lib/assets/icons/houshanNav/houshan.svg';
    const String searchSolid = 'lib/assets/icons/houshanNav/searchS.svg';
    const String searchRegular = 'lib/assets/icons/houshanNav/searchU.svg';
    const String translateSolid = 'lib/assets/icons/houshanNav/translateS.svg';
    const String translateRegular = 'lib/assets/icons/houshanNav/translateU.svg';

    return Container(
      height: 72,
      decoration: BoxDecoration(
        color: Theme.of(context).colorScheme.surface,
        borderRadius: const BorderRadius.vertical(top: Radius.circular(16)),
        boxShadow: [
          BoxShadow(
            color: const Color(0XFF1B3C59).withValues(alpha: 0.15),
            blurRadius: 8,
            spreadRadius: 0,
            offset: const Offset(0, -8),
          )
        ],
      ),
      padding: const EdgeInsets.symmetric(horizontal: 12),
      child: Row(
        children: [
          _AiNavBarItem(
            isSelected: currentTabIndex == 0,
            title: 'عکس ساز',
            selectedIcon: cameraSolid,
            unselectedIcon: cameraRegular,
            onTap: () {
              final aiState = context.read<AiState>();
              if (aiState.tools != null && aiState.tools!.isNotEmpty) {
                final Tools imageGenTool = aiState.tools![0]; // ابزار عکس ساز
                if (imageGenTool.bots != null && imageGenTool.bots!.isNotEmpty) {
                  final bot = imageGenTool.bots!.first;
                  Navigator.of(context).pushNamed(
                    Routes.aiChat,
                    arguments: AiChatArgs(bot: bot, isTool: imageGenTool.bots),
                  );
                }
              } else {
                ScaffoldMessenger.of(context).showSnackBar(
                  const SnackBar(content: Text('ابزار عکس ساز در حال بارگذاری است...')),
                );
              }
            },
          ),
          _AiNavBarItem(
            isSelected: currentTabIndex == 1,
            title: 'چت صوتی',
            selectedIcon: micSolid,
            unselectedIcon: micRegular,
            onTap: () {
              NativeWebViewLauncher.openWebView(
            'https://www.aisada.ir/app/page1.html');
            },
          ),
          _AiNavBarItem(
            isSelected: currentTabIndex == 2,
            title: '',
            selectedIcon: aiSolid,
            unselectedIcon: aiRegular,
            onTap: () => onTabChanged(2),
          ),
          _AiNavBarItem(
            isSelected: currentTabIndex == 3,
            title: 'جست و جو',
            selectedIcon: searchSolid,
            unselectedIcon: searchRegular,
            onTap: () {
                 final aiState = context.read<AiState>();
                 // نکته: طبق کد شما، تب جستجو (اندیس ۳) ویجت تحلیل نمودار را نمایش می‌دهد
                 // که از ابزار اندیس ۱ استفاده می‌کند.
                if (aiState.tools != null && aiState.tools!.length > 1) {
                    final Tools chartAnalysisTool = aiState.tools![1]; 
                    if (chartAnalysisTool.bots != null && chartAnalysisTool.bots!.isNotEmpty) {
                        final bot = chartAnalysisTool.bots!.first;
                        Navigator.of(context).pushNamed(
                        Routes.aiChat,
                        arguments: AiChatArgs(bot: bot, isTool: chartAnalysisTool.bots),
                        );
                    }
                } else {
                    ScaffoldMessenger.of(context).showSnackBar(
                    const SnackBar(content: Text('ابزار جستجو در حال بارگذاری است...')),
                    );
                }
            },
          ),
          _AiNavBarItem(
            isSelected: currentTabIndex == 4,
            title: 'ترجمه',
            selectedIcon: translateSolid,
            unselectedIcon: translateRegular,
            onTap: () {
              final aiState = context.read<AiState>();
              if (aiState.tools != null && aiState.tools!.length > 2) {
                final Tools translationToolCategory = aiState.tools![2];
                if (translationToolCategory.bots != null && translationToolCategory.bots!.isNotEmpty) {
                  final gptTranslatorBot = translationToolCategory.bots!.first;
                  Navigator.of(context).pushNamed(
                    Routes.aiChat,
                    arguments: AiChatArgs(bot: gptTranslatorBot, isTool: translationToolCategory.bots),
                  );
                }
              } else {
                ScaffoldMessenger.of(context).showSnackBar(
                  const SnackBar(content: Text('ابزار ترجمه در حال بارگذاری است...')),
                );
              }
            },
          ),
        ],
      ),
    );
  }
}


class _AiNavBarItem extends StatelessWidget {
  final VoidCallback onTap;
  final bool isSelected;
  final String title;
  final String selectedIcon;
  final String unselectedIcon;

  const _AiNavBarItem({
    Key? key,
    required this.isSelected,
    required this.title,
    required this.selectedIcon,
    required this.unselectedIcon,
    required this.onTap,
  }) : super(key: key);

  @override
  Widget build(BuildContext context) {

    final double iconSize = title.isEmpty ? 50.0 : 32.0;

    return Expanded(
      child: Tooltip(
        message: title,
        decoration: BoxDecoration(
          color: Theme.of(context).colorScheme.title,
          borderRadius: DesignConfig.highBorderRadius,
          boxShadow: DesignConfig.defaultShadow,
        ),
        child: GestureDetector(
          onTap: onTap,
          child: Container(
            color: Colors.transparent,
            child: Column(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                AnimatedContainer(
                  padding: const EdgeInsets.all(4),
                  duration: DesignConfig.lowAnimationDuration,
                  decoration: const BoxDecoration(
                    shape: BoxShape.circle,
                  ),
                  child: SvgPicture.asset(
                    isSelected ? selectedIcon : unselectedIcon,
                    width: iconSize,
                    height: iconSize,
                  ),
                ),
                if (title.isNotEmpty)
                  Padding(
                    padding: const EdgeInsets.only(top: 2.0),
                    child: DidvanText(
                      title,
                      style: Theme.of(context).textTheme.bodySmall,
                      color: Theme.of(context).colorScheme.title,
                    ),
                  ),
              ],
            ),
          ),
        ),
      ),
    );
  }
}