import 'dart:io';

import 'package:fluent_ui/fluent_ui.dart' as fluent;
import 'package:flutter/material.dart';
import 'package:flutter_dmzj/app/app_color.dart';
import 'package:flutter_dmzj/app/app_style.dart';
import 'package:flutter_dmzj/app/platform_utils.dart';
import 'package:flutter_dmzj/modules/user/settings/settings_controller.dart';
import 'package:get/get.dart';
import 'package:remixicon/remixicon.dart';

class SettingsPage extends StatelessWidget {
  final int index;
  SettingsPage({required this.index, super.key});
  final controller = Get.put<SettingsController>(SettingsController());

  @override
  Widget build(BuildContext context) {
    return DefaultTabController(
      length: 4,
      initialIndex: index,
      child: Scaffold(
        appBar: AppBar(
          title: Container(
            alignment: Alignment.center,
            padding: const EdgeInsets.only(right: 56),
            child: TabBar(
              isScrollable: true,
              tabAlignment: TabAlignment.start,
              indicatorSize: TabBarIndicatorSize.label,
              indicatorColor: Theme.of(context).colorScheme.primary,
              labelColor: Theme.of(context).colorScheme.primary,
              unselectedLabelColor:
                  Get.isDarkMode ? Colors.white70 : Colors.black87,
              tabs: const [
                Tab(text: "常规"),
                Tab(text: "漫画"),
                Tab(text: "小说"),
                Tab(text: "下载"),
              ],
            ),
          ),
        ),
        body: TabBarView(
          children: [
            buildGeneralSettings(),
            buildComicSettings(),
            buildNovelSettings(),
            buildDownloadSettings(),
          ],
        ),
      ),
    );
  }

  Widget buildGeneralSettings() {
    return Obx(
      () => ListView(
        padding: AppStyle.edgeInsetsA12,
        children: [
          buildToggle(
            value: controller.settings.useDynamicColor.value,
            onChanged: (e) {
              controller.settings.setUseDynamicColor(e);
            },
            title: "使用MD动态取色",
            subtitle: "关闭后使用固定主题色 #4196f9",
          ),
          ListTile(
            title: const Text("清除图片缓存"),
            subtitle: Text(controller.imageCacheSize.value),
            trailing: OutlinedButton(
              onPressed: () {
                controller.cleanImageCache();
              },
              child: const Text("清除"),
            ),
          ),
          ListTile(
            title: const Text("清除小说缓存"),
            subtitle: Text(controller.novelCacheSize.value),
            trailing: OutlinedButton(
              onPressed: () {},
              child: const Text("清除"),
            ),
          ),
          // SwitchListTile(
          //   value: controller.settings.comicSearchUseWebApi.value,
          //   onChanged: (e) {
          //     controller.settings.setComicSearchUseWebApi(e);
          //   },
          //   title: const Text("使用Web接口搜索漫画"),
          //   subtitle: const Text("开启后可以搜索到更多漫画"),
          // ),
          buildToggle(
            value: controller.settings.useSystemFontSize.value,
            onChanged: (e) {
              controller.settings.setUseSystemFontSize(e);
            },
            title: "字体大小跟随系统",
            subtitle: "开启可能会有布局错乱",
          ),
          buildToggle(
            value: controller.settings.collectHideComic.value,
            onChanged: (e) {
              controller.settings.setCollectHideComic(e);
            },
            title: "自动收藏神隐漫画",
            subtitle: "浏览神隐漫画时自动添加到本机收藏",
          ),
          ListTile(
            title: const Text("代理地址"),
            subtitle: TextField(
              controller: TextEditingController(text: controller.settings.proxyAddress.value),
              decoration: const InputDecoration(
                hintText: "仅支持http协议,重启生效 eg:127.0.0.1:7890",
              ),
              onSubmitted: (e){
                controller.settings.setProxyAddress(e);
              },
            ),

          )
        ],
      ),
    );
  }

  Widget buildComicSettings() {
    return Obx(
      () => ListView(
        padding: AppStyle.edgeInsetsA12,
        children: [
          buildToggle(
            value: controller.settings.comicReaderHD.value,
            onChanged: (e) {
              controller.settings.setComicReaderHD(e);
            },
            title: "优先加载高清图",
            subtitle: "部分单行本可能未分页",
          ),
          ListTile(
            title: const Text("阅读方向"),
            trailing: Row(
              mainAxisSize: MainAxisSize.min,
              children: [
                buildSelectedButton(
                  onTap: () {
                    controller.settings.setComicReaderDirection(0);
                  },
                  selected: controller.settings.comicReaderDirection.value == 0,
                  child: const Icon(Remix.arrow_right_line),
                ),
                AppStyle.hGap8,
                buildSelectedButton(
                  onTap: () {
                    controller.settings.setComicReaderDirection(2);
                  },
                  selected: controller.settings.comicReaderDirection.value == 2,
                  child: const Icon(Remix.arrow_left_line),
                ),
                AppStyle.hGap8,
                buildSelectedButton(
                  onTap: () {
                    controller.settings.setComicReaderDirection(1);
                  },
                  selected: controller.settings.comicReaderDirection.value == 1,
                  child: const Icon(Remix.arrow_down_line),
                )
              ],
            ),
          ),
          buildToggle(
            value: controller.settings.comicReaderLeftHandMode.value,
            onChanged: (e) {
              controller.settings.setComicReaderLeftHandMode(e);
            },
            title: "操作反转",
            subtitle: "点击左侧下一页，右侧上一页",
          ),
          buildToggle(
            value: controller.settings.comicReaderFullScreen.value,
            onChanged: (e) {
              controller.settings.setComicReaderFullScreen(e);
            },
            title: "全屏阅读",
          ),
          buildToggle(
            value: controller.settings.comicReaderShowStatus.value,
            onChanged: (e) {
              controller.settings.setComicReaderShowStatus(e);
            },
            title: "显示状态信息",
          ),
          buildToggle(
            value: controller.settings.comicReaderShowViewPoint.value,
            onChanged: (e) {
              controller.settings.setComicReaderShowViewPoint(e);
            },
            title: "显示吐槽",
          ),
          buildToggle(
            value: controller.settings.comicReaderOldViewPoint.value,
            onChanged: (e) {
              controller.settings.setComicReaderOldViewPoint(e);
            },
            title: "旧版吐槽",
          ),
          buildToggle(
            value: controller.settings.comicReaderPageAnimation.value,
            onChanged: (e) {
              controller.settings.setComicReaderPageAnimation(e);
            },
            title: "翻页动画",
          ),
        ],
      ),
    );
  }

  Widget buildNovelSettings() {
    return Obx(
      () => ListView(
        padding: AppStyle.edgeInsetsA12,
        children: [
          ListTile(
            title: const Text("阅读方向"),
            trailing: Row(
              mainAxisSize: MainAxisSize.min,
              children: [
                buildSelectedButton(
                  onTap: () {
                    controller.settings.setNovelReaderDirection(0);
                  },
                  selected: controller.settings.novelReaderDirection.value == 0,
                  child: const Icon(Remix.arrow_right_line),
                ),
                AppStyle.hGap8,
                buildSelectedButton(
                  onTap: () {
                    controller.settings.setNovelReaderDirection(2);
                  },
                  selected: controller.settings.novelReaderDirection.value == 2,
                  child: const Icon(Remix.arrow_left_line),
                ),
                AppStyle.hGap8,
                buildSelectedButton(
                  onTap: () {
                    controller.settings.setNovelReaderDirection(1);
                  },
                  selected: controller.settings.novelReaderDirection.value == 1,
                  child: const Icon(Remix.arrow_down_line),
                )
              ],
            ),
          ),
          buildToggle(
            value: controller.settings.novelReaderLeftHandMode.value,
            onChanged: (e) {
              controller.settings.setNovelReaderLeftHandMode(e);
            },
            title: "操作反转",
            subtitle: "点击左侧下一页，右侧上一页",
          ),
          // SwitchListTile(
          //   value: settings.novelReaderFullScreen.value,
          //   onChanged: (e) {
          //     settings.setNovelReaderFullScreen(e);
          //   },
          //   title: const Text("全屏阅读"),
          // ),
          buildToggle(
            value: controller.settings.novelReaderShowStatus.value,
            onChanged: (e) {
              controller.settings.setNovelReaderShowStatus(e);
            },
            title: "显示状态信息",
          ),
          buildToggle(
            value: controller.settings.novelReaderPageAnimation.value,
            onChanged: (e) {
              controller.settings.setNovelReaderPageAnimation(e);
            },
            title: "翻页动画",
          ),
          ListTile(
            title: const Text("字体大小"),
            trailing: Row(
              mainAxisSize: MainAxisSize.min,
              children: [
                OutlinedButton(
                  onPressed: () {
                    controller.settings.setNovelReaderFontSize(
                      controller.settings.novelReaderFontSize.value + 1,
                    );
                  },
                  child: const Icon(
                    Icons.add,
                  ),
                ),
                AppStyle.hGap12,
                Text("${controller.settings.novelReaderFontSize.value}"),
                AppStyle.hGap12,
                OutlinedButton(
                  onPressed: () {
                    controller.settings.setNovelReaderFontSize(
                      controller.settings.novelReaderFontSize.value - 1,
                    );
                  },
                  child: const Icon(
                    Icons.remove,
                  ),
                ),
              ],
            ),
          ),
          ListTile(
            title: const Text("行距"),
            trailing: Row(
              mainAxisSize: MainAxisSize.min,
              children: [
                OutlinedButton(
                  onPressed: () {
                    controller.settings.setNovelReaderLineSpacing(
                      controller.settings.novelReaderLineSpacing.value + 0.1,
                    );
                  },
                  child: const Icon(
                    Icons.add,
                  ),
                ),
                AppStyle.hGap12,
                Text((controller.settings.novelReaderLineSpacing.value)
                    .toStringAsFixed(1)),
                AppStyle.hGap12,
                OutlinedButton(
                  onPressed: () {
                    controller.settings.setNovelReaderLineSpacing(
                      controller.settings.novelReaderLineSpacing.value - 0.1,
                    );
                  },
                  child: const Icon(
                    Icons.remove,
                  ),
                ),
              ],
            ),
          ),
          ListTile(
            title: const Text("阅读主题"),
            trailing: Row(
              mainAxisSize: MainAxisSize.min,
              children: AppColor.novelThemes.keys
                  .map(
                    (e) => GestureDetector(
                      onTap: () {
                        controller.settings.setNovelReaderTheme(e);
                      },
                      child: Container(
                        margin: AppStyle.edgeInsetsL8,
                        height: 36,
                        width: 36,
                        decoration: BoxDecoration(
                          color: AppColor.novelThemes[e]!.first,
                          borderRadius: AppStyle.radius24,
                        ),
                        child: Visibility(
                          visible:
                              AppColor.novelThemes.keys.toList().indexOf(e) ==
                                  controller.settings.novelReaderTheme.value,
                          child: Icon(
                            Icons.check,
                            color: AppColor.novelThemes[e]!.last,
                          ),
                        ),
                      ),
                    ),
                  )
                  .toList(),
            ),
          ),
          Container(
            margin: AppStyle.edgeInsetsV12,
            padding: AppStyle.edgeInsetsA8,
            decoration: BoxDecoration(
              borderRadius: AppStyle.radius4,
              color: AppColor
                  .novelThemes[controller.settings.novelReaderTheme]!.first,
            ),
            child: Text(
              """这是一段测试文字，可以预览上面的设置效果。

　　晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。
　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐……""",
              //不需要跟随系统
              textScaler: const TextScaler.linear(1.0),
              style: TextStyle(
                fontSize:
                    controller.settings.novelReaderFontSize.value.toDouble(),
                height: controller.settings.novelReaderLineSpacing.value,
                color: AppColor
                    .novelThemes[controller.settings.novelReaderTheme]!.last,
              ),
            ),
          ),
        ],
      ),
    );
  }

  Widget buildDownloadSettings() {
    return Obx(
      () => ListView(
        padding: AppStyle.edgeInsetsA12,
        children: [
          buildToggle(
            value: controller.settings.downloadAllowCellular.value,
            onChanged: (e) {
              controller.settings.setDownloadAllowCellular(e);
            },
            title: "允许使用流量下载",
          ),
          ListTile(
            title: const Text("漫画最大任务数"),
            onTap: () {
              controller.setDownloadComicTask();
            },
            trailing: Row(
              mainAxisSize: MainAxisSize.min,
              children: [
                Text(
                  controller.settings.downloadComicTaskCount.value == 0
                      ? "无限制"
                      : controller.settings.downloadComicTaskCount.toString(),
                ),
                AppStyle.hGap4,
                const Icon(
                  Icons.chevron_right,
                  color: Colors.grey,
                ),
              ],
            ),
          ),
          ListTile(
            title: const Text("小说最大任务数"),
            onTap: () {
              controller.setDownloadNovelTask();
            },
            trailing: Row(
              mainAxisSize: MainAxisSize.min,
              children: [
                Text(
                  controller.settings.downloadNovelTaskCount.value == 0
                      ? "无限制"
                      : controller.settings.downloadNovelTaskCount.toString(),
                ),
                AppStyle.hGap4,
                const Icon(
                  Icons.chevron_right,
                  color: Colors.grey,
                ),
              ],
            ),
          ),
        ],
      ),
    );
  }

  Widget buildSelectedButton(
      {required Widget child, bool selected = false, Function()? onTap}) {
    final primary = Get.theme.colorScheme.primary;
    return OutlinedButton(
      style: OutlinedButton.styleFrom(
        foregroundColor: selected ? primary : Colors.grey,
        side: BorderSide(
          color: selected ? primary : Colors.grey,
        ),
      ),
      onPressed: onTap,
      child: child,
    );
  }

  /// 平台自适应开关控件
  /// Windows使用Fluent ToggleSwitch，其他平台使用Material SwitchListTile
  Widget buildToggle({
    required String title,
    required bool value,
    required ValueChanged<bool> onChanged,
    String? subtitle,
  }) {
    if (PlatformUtils.isWindows) {
      return Padding(
        padding: const EdgeInsets.symmetric(vertical: 4),
        child: Row(
          children: [
            Expanded(
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Text(title,
                      style: Get.textTheme.bodyMedium),
                  if (subtitle != null)
                    Text(subtitle,
                        style: Get.textTheme.bodySmall
                            ?.copyWith(color: Colors.grey)),
                ],
              ),
            ),
            fluent.FluentTheme(
              data: PlatformUtils.getFluentTheme(Get.context!),
              child: fluent.ToggleSwitch(
                checked: value,
                onChanged: onChanged,
              ),
            ),
          ],
        ),
      );
    }
    return SwitchListTile(
      value: value,
      onChanged: onChanged,
      title: Text(title),
      subtitle: subtitle != null ? Text(subtitle) : null,
    );
  }
}