class IntroScreenDefaultState extends State<IntroScreenDefault> {
  List<ContentConfig> listContentConfig = [];

  @override
  void initState() {
    super.initState();

    listContentConfig.add(
      const ContentConfig(
        title: "ERASER",
        description:
            "Allow miles wound place the leave had. To sitting subject no improve studied limited",
        pathImage: "images/photo_eraser.png",
        backgroundColor: Color(0xfff5a623),
      ),
    );
    listContentConfig.add(
      const ContentConfig(
        title: "PENCIL",
        description:
            "Ye indulgence unreserved connection alteration appearance",
        pathImage: "images/photo_pencil.png",
        backgroundColor: Color(0xff203152),
      ),
    );
    listContentConfig.add(
      const ContentConfig(
        title: "RULER",
        description:
            "Much evil soon high in hope do view. Out may few northward believing attempted. Yet timed being songs marry one defer men our. Although finished blessing do of",
        pathImage: "images/photo_ruler.png",
        backgroundColor: Color(0xff9932CC),
      ),
    );
  }

  void onDonePress() {
    log("End of slides");
  }

  @override
  Widget build(BuildContext context) {
    return IntroSlider(
      listContentConfig: listContentConfig,
      onDonePress: onDonePress,
    );
  }
}

class IntroScreenCustomConfigState extends State<IntroScreenCustomConfig> {
  List<ContentConfig> listContentConfig = [];
  Color activeColor = const Color(0xff0BEEF9);
  Color inactiveColor = const Color(0xff03838b);
  double sizeIndicator = 20;

  @override
  void initState() {
    super.initState();

    listContentConfig.add(
      ContentConfig(
        title:
            "A VERY LONG TITLE A VERY LONG TITLE A VERY LONG TITLE A VERY LONG TITLE A VERY LONG TITLE A VERY LONG TITLE A VERY LONG TITLE A VERY LONG TITLE A VERY LONG TITLE",
        maxLineTitle: 2,
        styleTitle: const TextStyle(
          color: Colors.white,
          fontSize: 30.0,
          fontWeight: FontWeight.bold,
          fontFamily: 'RobotoMono',
        ),
        description:
            "Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo. Nullam dictum felis eu pede mollis pretium. Integer tincidunt. Cras dapibus. Vivamus elementum semper nisi. Aenean vulputate eleifend tellus. Aenean leo ligula, porttitor eu, consequat vitae, eleifend ac, enim. Aliquam lorem ante, dapibus in, viverra quis, feugiat a, tellus. Phasellus viverra nulla ut metus varius laoreet. Quisque rutrum. Aenean imperdiet. Etiam ultricies nisi vel augue. Curabitur ullamcorper ultricies nisi. Nam eget dui. Etiam rhoncus. Maecenas tempus, tellus eget condimentum rhoncus, sem quam semper libero, sit amet adipiscing sem neque sed ipsum. Nam quam nunc, blandit vel, luctus pulvinar, hendrerit id, lorem. Maecenas nec odio et ante tincidunt tempus. Donec vitae sapien ut libero venenatis faucibus. Nullam quis ante. Etiam sit amet orci eget eros faucibus tincidunt. Duis leo. Sed fringilla mauris sit amet nibh. Donec sodales sagittis magna. Sed consequat, leo eget bibendum sodales, augue velit cursus nunc,",
        styleDescription: const TextStyle(
          color: Colors.white,
          fontSize: 20.0,
          fontStyle: FontStyle.italic,
          fontFamily: 'Raleway',
        ),
        marginDescription: const EdgeInsets.only(
          left: 20.0,
          right: 20.0,
          top: 20.0,
          bottom: 70.0,
        ),
        centerWidget: const Text(
          "Replace this with a custom widget",
          style: TextStyle(color: Colors.white),
        ),
        backgroundNetworkImage: "https://picsum.photos/600/900",
        backgroundFilterOpacity: 0.5,
        backgroundFilterColor: Colors.redAccent,
        onCenterItemPress: () {},
      ),
    );
    listContentConfig.add(
      const ContentConfig(
        title: "CITY",
        styleTitle: TextStyle(
          color: Color(0xff7FFFD4),
          fontSize: 30.0,
          fontWeight: FontWeight.bold,
          fontFamily: 'RobotoMono',
        ),
        description:
            "Ye indulgence unreserved connection alteration appearance",
        styleDescription: TextStyle(
          color: Color(0xff7FFFD4),
          fontSize: 20.0,
          fontStyle: FontStyle.italic,
          fontFamily: 'Raleway',
        ),
        colorBegin: Color(0xff89D4CF),
        colorEnd: Color(0xff734AE8),
        directionColorBegin: Alignment.topRight,
        directionColorEnd: Alignment.bottomLeft,
      ),
    );
    listContentConfig.add(
      const ContentConfig(
        title: "BEACH",
        styleTitle: TextStyle(
          color: Color(0xffFFDAB9),
          fontSize: 30.0,
          fontWeight: FontWeight.bold,
          fontFamily: 'RobotoMono',
        ),
        description:
            "Much evil soon high in hope do view. Out may few northward believing attempted. Yet timed being songs marry one defer men our. Although finished blessing do of",
        styleDescription: TextStyle(
          color: Color(0xffFFDAB9),
          fontSize: 20.0,
          fontStyle: FontStyle.italic,
          fontFamily: 'Raleway',
        ),
        backgroundImage: "images/beach.jpeg",
        maxLineTextDescription: 3,
      ),
    );
  }

  void onSwipeCompleted(int prevIndex, int currentIndex, String direction) {
    log("onSwipeCompleted caught prevIndex: $prevIndex, currentIndex: $currentIndex, direction: $direction");
  }

  void onDonePress() {
    log("onDonePress caught");
  }

  void onNextPress(int index) {
    log("onNextPress caught $index");
  }

  void onSwipeBeyondEnd() {
    log("onSwipeBeyondEnd caught - User swiped beyond the last slide!");
  }

  Widget renderNextBtn() {
    return const Icon(
      Icons.navigate_next,
      size: 25,
    );
  }

  Widget renderDoneBtn() {
    return const Icon(
      Icons.done,
      size: 25,
    );
  }

  Widget renderSkipBtn() {
    return const Icon(
      Icons.skip_next,
      size: 25,
    );
  }

  ButtonStyle myButtonStyle() {
    return ButtonStyle(
      shape: WidgetStateProperty.all<OutlinedBorder>(const StadiumBorder()),
      foregroundColor: WidgetStateProperty.all<Color>(activeColor),
      backgroundColor: WidgetStateProperty.all<Color>(inactiveColor),
    );
  }

  @override
  Widget build(BuildContext context) {
    return IntroSlider(
      // Content config
      listContentConfig: listContentConfig,
      backgroundColorAllTabs: Colors.grey,

      // Skip button
      renderSkipBtn: renderSkipBtn(),
      skipButtonStyle: myButtonStyle(),

      // Next button
      renderNextBtn: renderNextBtn(),
      onNextPress: onNextPress,
      nextButtonStyle: myButtonStyle(),

      // Done button
      renderDoneBtn: renderDoneBtn(),
      onDonePress: onDonePress,
      doneButtonStyle: myButtonStyle(),

      // Indicator
      indicatorConfig: IndicatorConfig(
        sizeIndicator: sizeIndicator,
        indicatorWidget: Container(
          width: sizeIndicator,
          height: 10,
          decoration: BoxDecoration(
              borderRadius: BorderRadius.circular(4), color: inactiveColor),
        ),
        activeIndicatorWidget: Container(
          width: sizeIndicator,
          height: 10,
          decoration: BoxDecoration(
              borderRadius: BorderRadius.circular(4), color: activeColor),
        ),
        spaceBetweenIndicator: 10,
        typeIndicatorAnimation: TypeIndicatorAnimation.sliding,
      ),

      // Navigation bar
      navigationBarConfig: NavigationBarConfig(
        navPosition: NavPosition.bottom,
        padding: EdgeInsets.only(
          top: MediaQuery.of(context).viewPadding.top > 0 ? 20 : 10,
          bottom: MediaQuery.of(context).viewPadding.bottom > 0 ? 20 : 10,
        ),
        backgroundColor: Colors.black.withValues(alpha: 0.5),
      ),

      // Scroll behavior
      isAutoScroll: false,
      isLoopAutoScroll: true,
      curveScroll: Curves.bounceIn,
      onSwipeCompleted: onSwipeCompleted,
      onSwipeBeyondEnd: onSwipeBeyondEnd,
      swipeBeyondEndThreshold: 100.0,
    );
  }
}

class IntroScreenCustomLayoutState extends State<IntroScreenCustomLayout> {
  late Function goToTab;

  Color primaryColor = const Color(0xffffcc5c);
  Color secondColor = const Color(0xff3da4ab);

  void onDonePress() {
    goToTab(0);
  }

  void onTabChangeCompleted(index) {
    log("onTabChangeCompleted, index: $index");
  }

  Widget renderNextBtn() {
    return Icon(
      Icons.navigate_next,
      color: primaryColor,
      size: 35.0,
    );
  }

  Widget renderDoneBtn() {
    return Icon(
      Icons.done,
      color: primaryColor,
    );
  }

  Widget renderSkipBtn() {
    return Icon(
      Icons.skip_next,
      color: primaryColor,
    );
  }

  ButtonStyle myButtonStyle() {
    return ButtonStyle(
      shape: MaterialStateProperty.all<OutlinedBorder>(const StadiumBorder()),
      backgroundColor:
          MaterialStateProperty.all<Color>(const Color(0x33ffcc5c)),
      overlayColor: MaterialStateProperty.all<Color>(const Color(0x33ffcc5c)),
    );
  }

  List<Widget> generateListCustomTabs() {
    return List.generate(
      3,
      (index) => Container(
        color: Colors.black26,
        width: double.infinity,
        height: double.infinity,
        child: ListView(
          children: <Widget>[
            const SizedBox(height: 20),
            Center(
              child: DropdownButton<String>(
                value: index.toString(),
                icon: Icon(Icons.arrow_downward, color: secondColor, size: 20),
                elevation: 16,
                style: TextStyle(color: primaryColor),
                underline: Container(
                  height: 2,
                  color: secondColor,
                ),
                onChanged: (String? value) {},
                items: ["0", "1", "2"]
                    .map<DropdownMenuItem<String>>((String value) {
                  return DropdownMenuItem<String>(
                    value: value,
                    child: Text(value,
                        style: TextStyle(color: secondColor, fontSize: 20)),
                  );
                }).toList(),
              ),
            ),
            const SizedBox(height: 20),
            Image.network(
              "https://picsum.photos/${300 + index}",
              width: 300.0,
              height: 300.0,
            ),
            const SizedBox(height: 20),
            Container(
              margin: const EdgeInsets.symmetric(vertical: 20, horizontal: 16),
              child: Text(
                "Title at index $index",
                textAlign: TextAlign.center,
                style: TextStyle(
                  color: secondColor,
                  fontSize: 30.0,
                  fontWeight: FontWeight.bold,
                  fontFamily: 'RobotoMono',
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    return IntroSlider(
      // Skip button
      renderSkipBtn: renderSkipBtn(),
      skipButtonStyle: myButtonStyle(),

      // Next button
      renderNextBtn: renderNextBtn(),
      nextButtonStyle: myButtonStyle(),

      // Done button
      renderDoneBtn: renderDoneBtn(),
      onDonePress: onDonePress,
      doneButtonStyle: myButtonStyle(),

      // Indicator
      indicatorConfig: const IndicatorConfig(
        colorIndicator: Color(0xffffcc5c),
        sizeIndicator: 13.0,
        typeIndicatorAnimation: TypeIndicatorAnimation.sizeTransition,
      ),

      // Custom tabs
      listCustomTabs: generateListCustomTabs(),
      backgroundColorAllTabs: Colors.white,
      refFuncGoToTab: (refFunc) {
        goToTab = refFunc;
      },

      // Behavior
      scrollPhysics: const BouncingScrollPhysics(),
      onTabChangeCompleted: onTabChangeCompleted,
    );
  }
}