// Copyright (C) 2023 WYATT GROUP
// Please see the AUTHORS file for details.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:wyatt_component_copy_with_extension/component_copy_with_extension.dart';
import 'package:wyatt_ui_components/wyatt_ui_components.dart';
import 'package:wyatt_ui_kit/src/components/bars/widgets/navigation_item.dart';
import 'package:wyatt_ui_kit/wyatt_ui_kit.dart';

part 'top_navigation_bar.g.dart';

@ComponentCopyWithExtension()
class TopNavigationBar extends TopNavigationBarComponent
    with $TopNavigationBarCWMixin {
  const TopNavigationBar({
    super.navigationItems,
    super.onTap,
    super.currentIndex = 0,
    super.systemOverlayStyle,
    super.automaticallyImplyLeading,
    super.flexibleSpace,
    super.bottom,
    super.elevation,
    super.scrolledUnderElevation,
    super.shadowColor,
    super.surfaceTintColor,
    super.backgroundColor,
    super.iconTheme,
    super.primary,
    super.excludeHeaderSemantics,
    super.toolbarHeight,
    super.leadingWidth,
    super.leading,
    super.actions,
    super.shape,
    super.expandedWidget,
    super.key,
  });

  @override
  Widget build(BuildContext context) => DecoratedBox(
        decoration: BoxDecoration(
          gradient: ThemeHelper.getThemeElement<MultiColor, Gradient>(
            [
              backgroundColor,
              context.themeExtension<TopBarThemeExtension>()?.backgroundColors,
            ],
            valueValidator: (value) => value?.isGradient,
            transform: (value) =>
                LinearGradientHelper.fromNullableColors(value?.colors),
          ),
          color: ThemeHelper.getThemeElement<MultiColor, Color>(
            [
              backgroundColor,
              context.themeExtension<TopBarThemeExtension>()?.backgroundColors,
              MultiColor.single(Theme.of(context).appBarTheme.backgroundColor),
            ],
            valueValidator: (value) => value?.isColor,
            transform: (value) => value?.color,
          ),
        ),
        child: AppBar(
          toolbarHeight: 100,
          titleSpacing: 0,
          backgroundColor: Colors.transparent,
          systemOverlayStyle: systemOverlayStyle,
          automaticallyImplyLeading: automaticallyImplyLeading ?? true,
          flexibleSpace: flexibleSpace,
          bottom: bottom,
          elevation: elevation ?? 0,
          scrolledUnderElevation: scrolledUnderElevation,
          shadowColor: shadowColor,
          surfaceTintColor: surfaceTintColor,
          iconTheme: ThemeHelper.getThemeElement<IconThemeData, IconThemeData>(
            [
              iconTheme,
              context.themeExtension<TopBarThemeExtension>()?.iconTheme,
              Theme.of(context).iconTheme,
            ],
            valueValidator: (value) => value != null,
            transform: (value) => value,
          ),
          primary: primary ?? true,
          excludeHeaderSemantics: excludeHeaderSemantics ?? false,
          leadingWidth: 300,
          title: Row(
            mainAxisSize: MainAxisSize.min,
            children: navigationItems != null
                ? navigationItems!
                    .asMap()
                    .map<int, Widget>(
                      (key, value) => MapEntry(
                        key,
                        Padding(
                          padding: const EdgeInsets.symmetric(horizontal: 10),
                          child: MouseRegion(
                            cursor: SystemMouseCursors.click,
                            child: GestureDetector(
                              onTap: () {
                                onTap?.call(context, key);
                              },
                              child: NavigationItem(
                                item: value,
                                selected: key == currentIndex,
                              ),
                            ),
                          ),
                        ),
                      ),
                    )
                    .values
                    .toList()
                : [],
          ),
          leading: leading,
          actions: actions,
          centerTitle: true,
        ),
      );
}
