import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:keyboard/resource/string.gen.dart';
import 'package:lottie/lottie.dart';

import '../../../data/api/response/intimacy_analyze_response.dart';
import '../../../data/bean/intimacy_analyse_report.dart';
import '../../../resource/assets.gen.dart';
import '../../../resource/colors.gen.dart';
import '../../../utils/string_format_util.dart';
import '../../../widget/animated_progress_bar.dart';
import '../../../widget/markdown/markdown_viewer.dart';
import '../analyse_report/widget/report_item_widget.dart';

/// 亲密度报告组件
class IntimacyAnalyseReportWidget extends StatelessWidget {
  /// 报告内容，Markdown格式
  final String reportContent;

  /// 分析结果
  final IntimacyAnalyzeResponse? intimacyAnalyzeResult;

  /// 是否已解锁
  final bool unlock;

  /// 是否是预览
  final bool isPreview;

  /// 是否报告生成中
  final bool isReportCreating;

  const IntimacyAnalyseReportWidget({
    super.key,
    this.reportContent = '',
    this.intimacyAnalyzeResult,
    this.unlock = false,
    this.isPreview = false,
    this.isReportCreating = false,
  });

  @override
  Widget build(BuildContext context) {
    if (isPreview) {
      return PreviewReportCardWidget(previewReportContent: reportContent);
    }
    // 报告生成中
    if (isReportCreating) {
      return CreatingReportCardWidget();
    }
    // 未解锁
    if (!unlock) {
      return UnlockReportCardWidget();
    }
    // 已出报告
    return ExistReportCardWidget(
      reportContent: reportContent,
      intimacyAnalyzeResult: intimacyAnalyzeResult,
    );
  }
}

/// 预览报告卡片
class PreviewReportCardWidget extends StatelessWidget {
  final String previewReportContent;

  const PreviewReportCardWidget({
    super.key,
    required this.previewReportContent,
  });

  @override
  Widget build(BuildContext context) {
    return ReportCardFrameWidget(
      child: Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          SizedBox(height: 10.h),
          Container(
            // 最小高度
            constraints: BoxConstraints(minHeight: 360.h),
            decoration: ShapeDecoration(
              color: ColorName.white,
              shape: RoundedRectangleBorder(
                borderRadius: BorderRadius.circular(30.r),
              ),
            ),
            child: MarkdownViewer(
              // 内容
              content: previewReportContent,
              // 不允许滚动
              enableContentScroll: false,
            ),
          ),
        ],
      ),
    );
  }
}

/// 已有报告组件
class ExistReportCardWidget extends StatelessWidget {
  /// 报告内容，Markdown格式
  final String reportContent;

  /// 分析结果
  final IntimacyAnalyzeResponse? intimacyAnalyzeResult;

  const ExistReportCardWidget({
    super.key,
    required this.reportContent,
    this.intimacyAnalyzeResult,
  });

  @override
  Widget build(BuildContext context) {
    return ReportCardFrameWidget(
      child: Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          _buildReportOverview(),
          SizedBox(height: 10.h),
          reportContent.isNotEmpty
              ? _buildReportDetailByMarkdown()
              : _buildReportDetail(),
        ],
      ),
    );
  }

  /// 报告概览，包含概览数值和图表
  Widget _buildReportOverview() {
    if (intimacyAnalyzeResult == null) {
      return SizedBox();
    }

    var analyzeResult = intimacyAnalyzeResult!;

    // 圆角背景
    return Container(
      padding: EdgeInsets.only(left: 12.w, right: 12.w, top: 12.h),
      decoration: BoxDecoration(
        color: ColorName.white,
        borderRadius: BorderRadius.circular(20.r),
      ),
      child: Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          // 概览数值
          Container(
            padding: EdgeInsets.symmetric(horizontal: 18.w),
            decoration: BoxDecoration(
              color: ColorName.bgReportOverview,
              borderRadius: BorderRadius.all(Radius.circular(10.r)),
            ),
            child: Row(
              children: [
                _buildIntimacyOverviewItem(
                  StringFormatUtil.removePercentSymbol(
                    analyzeResult.emotion ?? "",
                  ),
                ),
                _buildOverviewDivider(),
                _buildCurrentStageOverviewItem(
                  analyzeResult.intimacyPhase ?? "",
                ),
              ],
            ),
          ),
          SizedBox(height: 36.h),
          // 图表
          _buildChart(analyzeResult),
        ],
      ),
    );
  }

  /// 概览数值的分割线
  Widget _buildOverviewDivider() {
    return Container(
      height: 44.h,
      width: 1.w,
      decoration: BoxDecoration(color: ColorName.black5),
      margin: EdgeInsets.symmetric(vertical: 10.h),
    );
  }

  /// 概览亲密度的数值项
  Widget _buildIntimacyOverviewItem(String value) {
    return Expanded(
      child: Row(
        // 左对齐
        mainAxisAlignment: MainAxisAlignment.start,
        children: [
          // 图标
          Assets.images.iconIntimacyAnalyseReportOverviewLove.image(
            height: 22.w,
            width: 22.w,
          ),
          SizedBox(width: 14.w),
          Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              // 数值区域
              Row(
                children: [
                  // 数值
                  Text(
                    value,
                    maxLines: 1,
                    style: TextStyle(
                      overflow: TextOverflow.ellipsis,
                      color: ColorName.black80,
                      fontSize: 20.sp,
                      fontWeight: FontWeight.w700,
                    ),
                  ),
                  SizedBox(width: 2.w),
                  // 百分比符号
                  Text(
                    StringName.intimacyValuePercent,
                    style: TextStyle(
                      color: ColorName.black46,
                      fontSize: 13.sp,
                      fontWeight: FontWeight.w700,
                    ),
                  ),
                ],
              ),
              // 描述
              Text(
                StringName.intimacyValue,
                style: TextStyle(
                  color: ColorName.textReportOverviewValueDesc,
                  fontSize: 12.sp,
                  fontWeight: FontWeight.w400,
                ),
              ),
            ],
          ),
        ],
      ),
    );
  }

  /// 概览目前阶段的数值项
  Widget _buildCurrentStageOverviewItem(String value) {
    return Expanded(
      child: Row(
        // 右对齐
        mainAxisAlignment: MainAxisAlignment.end,
        children: [
          // 图标
          Assets.images.iconIntimacyAnalyseReportOverviewStage.image(
            height: 22.w,
            width: 22.w,
          ),
          SizedBox(width: 14.w),
          Column(
            crossAxisAlignment: CrossAxisAlignment.end,
            children: [
              // 数值
              Text(
                value,
                style: TextStyle(
                  color: ColorName.black80,
                  fontSize: 14.sp,
                  fontWeight: FontWeight.w700,
                ),
              ),
              // 描述
              Text(
                StringName.intimacyCurrentStage,
                style: TextStyle(
                  color: ColorName.textReportOverviewValueDesc,
                  fontSize: 12.sp,
                  fontWeight: FontWeight.w400,
                ),
              ),
            ],
          ),
        ],
      ),
    );
  }

  /// 将百分比转换为进度条需要的数值
  double _convertPercentValue2ProgressBar(String percentValue) {
    if (percentValue.isEmpty) {
      return 0;
    }
    // 去掉%号后的数值
    String valueStr = StringFormatUtil.removePercentSymbol(percentValue);
    double noPercentValue = double.tryParse(valueStr) ?? 0;
    if (noPercentValue == 0) {
      return 0;
    } else {
      // 除以100，转换为0-1之间的数值，才是进度条需要的数值
      double progressValue = noPercentValue / 100;
      return progressValue;
    }
  }

  /// 报告图表
  Widget _buildChart(IntimacyAnalyzeResponse analyzeResult) {
    return Column(
      mainAxisSize: MainAxisSize.min,
      children: [
        // 互动好感度
        _buildValueItem(
          iconProvider: Assets.images.iconEmojiLike.provider(),
          title: StringName.intimacyInteraction,
          value: _convertPercentValue2ProgressBar(
            analyzeResult.interaction ?? "",
          ),
          progressColors: [ColorName.blueGradient1, ColorName.blueGradient2],
        ),
        SizedBox(height: 18.h),
        // 话题好感度
        _buildValueItem(
          iconProvider: Assets.images.iconEmojiChat.provider(),
          title: StringName.intimacyTopic,
          value: _convertPercentValue2ProgressBar(analyzeResult.topic ?? ""),
          progressColors: [ColorName.greenGradient1, ColorName.greenGradient2],
        ),
        SizedBox(height: 18.h),
        // 情绪回应
        _buildValueItem(
          iconProvider: Assets.images.iconEmojiLike.provider(),
          title: StringName.intimacyRespond,
          value: _convertPercentValue2ProgressBar(analyzeResult.respond ?? ""),
          progressColors: [
            ColorName.yellowGradient1,
            ColorName.yellowGradient2,
          ],
        ),
        SizedBox(height: 18.h),
        // 亲密词占比
        _buildValueItem(
          iconProvider: Assets.images.iconEmojiPercent.provider(),
          title: StringName.intimacyintimacyRatio,
          value: _convertPercentValue2ProgressBar(
            analyzeResult.intimacyRatio ?? "",
          ),
          progressColors: [ColorName.pinkGradient1, ColorName.pinkGradient2],
        ),
        SizedBox(height: 18.h),
        // 预测方向占比
        _buildValueItem(
          iconProvider: Assets.images.iconEmojiLove.provider(),
          title: analyzeResult.directionName ?? "",
          value: _convertPercentValue2ProgressBar(
            analyzeResult.directionRatio ?? "",
          ),
          progressColors: [
            ColorName.purpleGradient1,
            ColorName.purpleGradient2,
          ],
        ),
        SizedBox(height: 12, width: double.infinity),
      ],
    );
  }

  /// 构建数值Item
  /// [iconProvider] icon图标的ImageProvider
  /// [title] 标题
  /// [progressColors] 进度条渐变色
  /// [value] 进度条的数值，从0到1.0
  Widget _buildValueItem({
    required ImageProvider iconProvider,
    required String title,
    required List<Color> progressColors,
    required double value,
  }) {
    return Row(
      mainAxisSize: MainAxisSize.min,
      crossAxisAlignment: CrossAxisAlignment.center,
      children: [
        // 图标
        Container(
          padding: EdgeInsets.all(6.w),
          decoration: BoxDecoration(
            // 圆形背景
            shape: BoxShape.circle,
            color: ColorName.bgReportValueIcon,
          ),
          child: ClipOval(
            child: Image(
              image: iconProvider,
              width: 15.w,
              height: 15.w,
              fit: BoxFit.fill,
            ),
          ),
        ),
        SizedBox(width: 5.w),
        // 文字
        Text(title),
        SizedBox(width: 10.w),
        // 进度条
        Expanded(
          child: AnimatedGradientProgressBar(
            // 进度值
            targetValue: value,
            // 渐变色
            gradient: LinearGradient(colors: progressColors),
            // 动画时长
            duration: const Duration(milliseconds: 1500),
          ),
        ),
      ],
    );
  }

  /// 报告详情，使用Markdown
  Widget _buildReportDetailByMarkdown() {
    return Container(
      decoration: ShapeDecoration(
        color: ColorName.white,
        shape: RoundedRectangleBorder(
          borderRadius: BorderRadius.circular(30.r),
        ),
      ),
      child: MarkdownViewer(
        // 内容
        content: reportContent,
        // 不允许滚动
        enableContentScroll: false,
      ),
    );
  }

  /// 报告详情，使用组件渲染
  Widget _buildReportDetail() {
    if (intimacyAnalyzeResult == null) {
      return SizedBox();
    }

    // 组装数据
    IntimacyAnalyseReport reportPreviewData = IntimacyAnalyseReport(
      list: [
        // 建议调整亲密度
        AnalyseItem(
          title: StringName.intimacyintimacyAdjustintimacy,
          sections: [intimacyAnalyzeResult?.adjustIntimacy ?? ""],
        ),
        // 情感需求
        AnalyseItem(
          title: StringName.intimacyintimacyNeed,
          sections: [intimacyAnalyzeResult?.need ?? ""],
        ),
        // 情感调整方向
        AnalyseItem(
          title: StringName.intimacyintimacyAdjustDirection,
          sections: [intimacyAnalyzeResult?.adjustDirection ?? ""],
        ),
        // 建议使用聊天人设
        AnalyseItem(
          title: StringName.intimacyintimacyChatCharacter,
          sections: [intimacyAnalyzeResult?.chatCharacter ?? ""],
        ),
        // 聊天策略
        AnalyseItem(
          title: StringName.intimacyintimacyChatStrategy,
          sections: [intimacyAnalyzeResult?.chatStrategy ?? ""],
        ),
        // 我的表面行为
        AnalyseItem(
          title: StringName.intimacyintimacyMyBehavior,
          sections: [intimacyAnalyzeResult?.myBehavior ?? ""],
        ),
        // 对方的表面行为
        AnalyseItem(
          title: StringName.intimacyintimacyTargetBehavior,
          sections: [intimacyAnalyzeResult?.targetBehavior ?? ""],
        ),
        // 帮助亲密度提升
        AnalyseItem(
          title: StringName.intimacyintimacyHelpImprove,
          sections: [intimacyAnalyzeResult?.helpImprove ?? ""],
        ),
        // 沟通中我的优势
        AnalyseItem(
          title: StringName.intimacyintimacyMyAdvantage,
          sections: [intimacyAnalyzeResult?.myAdvantage ?? ""],
        ),
        // 沟通中我的劣势
        AnalyseItem(
          title: StringName.intimacyintimacyMyDisadvantage,
          sections: [intimacyAnalyzeResult?.myDisadvantage ?? ""],
        ),
      ],
    );

    return _buildReportContent(reportPreviewData);
  }

  /// 构建报告内容
  Widget _buildReportContent(IntimacyAnalyseReport report) {
    return Container(
      padding: EdgeInsets.all(14.w),
      decoration: ShapeDecoration(
        color: ColorName.white,
        shape: RoundedRectangleBorder(
          borderRadius: BorderRadius.circular(30.r),
        ),
      ),
      child: Column(
        children: [
          // 报告列表
          ...report.list.map((ele) {
            return ReportItemWidget(item: ele);
          }),
        ],
      ),
    );
  }
}

/// 报告生成中的卡片
class CreatingReportCardWidget extends StatelessWidget {
  const CreatingReportCardWidget({super.key});

  @override
  Widget build(BuildContext context) {
    return ReportCardFrameWidget(
      child: Container(
        padding: EdgeInsets.only(top: 33.h, bottom: 52.h),
        decoration: ShapeDecoration(
          color: ColorName.white,
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(30.r),
          ),
        ),
        child: Center(
          child: Column(
            // 垂直水平都居中
            mainAxisAlignment: MainAxisAlignment.center,
            crossAxisAlignment: CrossAxisAlignment.center,
            children: [
              // 图标
              Lottie.asset(
                Assets.anim.animIntimacyAnalyseCreatingReportData,
                repeat: true,
                width: 82.w,
                height: 82.w,
              ),
              SizedBox(height: 3.h),
              // 文字
              Text(
                StringName.intimacyAnalyseReportCreating,
                style: TextStyle(
                  fontSize: 14.sp,
                  color: ColorName.black60,
                  fontWeight: FontWeight.w400,
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}

/// 未解锁时的报告卡片
class UnlockReportCardWidget extends StatelessWidget {
  const UnlockReportCardWidget({super.key});

  @override
  Widget build(BuildContext context) {
    return ReportCardFrameWidget(
      child: Container(
        padding: EdgeInsets.symmetric(vertical: 8.h, horizontal: 6.w),
        decoration: ShapeDecoration(
          color: ColorName.white,
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(30.r),
          ),
        ),
        child: Center(
          child: Column(
            // 垂直水平都居中
            mainAxisAlignment: MainAxisAlignment.center,
            crossAxisAlignment: CrossAxisAlignment.center,
            children: [
              // 占位图
              Assets.images.iconIntimacyAnalyseReportUnlockPlaceholder.image(
                width: 300.w,
                height: 303.h,
              ),
            ],
          ),
        ),
      ),
    );
  }
}

/// 报告卡片框架组件，只定义报告卡片的基本框架，例如卡片背景和顶部的标题，内容由子组件来实现
class ReportCardFrameWidget extends StatelessWidget {
  /// 内容子组件
  final Widget child;

  const ReportCardFrameWidget({super.key, required this.child});

  @override
  Widget build(BuildContext context) {
    // 卡片背景
    return Container(
      margin: EdgeInsets.only(left: 12, right: 12, bottom: 0),
      padding: EdgeInsets.only(bottom: 12),
      decoration: BoxDecoration(
        // image: DecorationImage(
        //   image: Assets.images.bgIntimacyAnalyseReportPreview.provider(),
        //   fit: BoxFit.fill,
        // ),
        // 渐变背景
        gradient: LinearGradient(
          colors: [Color(0xFFE9E2FF), Color(0xFFF1F5FF)],
          begin: Alignment.centerLeft,
          end: Alignment.centerRight,
        ),
        borderRadius: BorderRadius.all(Radius.circular(20.r)),
      ),
      child: Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          // 顶部的图标和标题
          _buildReportTopLayout(),
          // 内容区域
          Container(
            padding: EdgeInsets.only(top: 3, left: 12, right: 12, bottom: 5),
            child: child,
          ),
        ],
      ),
    );
  }

  /// 报告的顶部布局-包含：图标和标题
  Widget _buildReportTopLayout() {
    return Container(
      margin: EdgeInsets.only(left: 12.w, top: 12.h),
      child: Row(
        children: [
          Assets.images.iconIntimacyAnalyseReportPreviewLove.image(
            width: 50,
            height: 48,
          ),
          Assets.images.iconIntimacyAnalyseReportPreviewTitle.image(
            width: 178,
            height: 24,
          ),
        ],
      ),
    );
  }
}