import 'package:fis_lib_report/report/element_tag.dart';
import 'package:fis_lib_report/report/element_type.dart';
import 'package:fis_lib_report/report/inputImageList.dart';
import 'package:fis_lib_report/report/interfaces/block_element.dart';
import 'package:fis_lib_report/report/interfaces/report_template_document.dart';
import 'package:fis_lib_report/report/paragraph.dart';
import 'package:fis_lib_report/report/rt_page_size.dart';
import 'package:fis_lib_report/report/rt_table.dart';
import 'package:fis_lib_report/report/rt_thickness.dart';
import 'package:uuid/uuid.dart';

class ReportTemplateDocument implements IReportTemplateDocument {
  Map<String, Map<String, String>> _customizeTranslation = {};
  Set<String> _customizeComments = {};
  Set<String> _customizeReportComments = {};
  Set<String> _customizeCalculations = {};
  List<IBlockElement> _blocks = [];
  List<IBlockElement> _headers = [];
  List<IBlockElement> _footers = [];
  String? _fontName;

  Map<String, Map<String, String>> get customizeTranslation =>
      _customizeTranslation;
  @override
  set customizeTranslation(Map<String, Map<String, String>>? v) {
    _customizeTranslation = v ?? {};
  }

  Set<String> get customizeComments => _customizeComments;
  @override
  set customizeReportComments(Set<String>? v) {
    _customizeReportComments = v ?? {};
  }

  Set<String> get customizeReportComments => _customizeReportComments;
  @override
  set customizeComments(Set<String>? v) {
    _customizeComments = v ?? {};
  }

  Set<String> get customizeCalculations => _customizeCalculations;
  @override
  set customizeCalculations(Set<String>? v) {
    _customizeCalculations = v ?? {};
  }

  /// Gets the author of the report template.
  @override
  String? author;

  @override
  double? baseFontSize;

  /// Gets all the report template blocks.
  @override
  List<IBlockElement>? blocks = [];

  /// get or set the distance between the footer and the bottom of the page
  @override
  double? footerDistance;

  /// Gets or sets the height of footer.
  @override
  double? footerHeight;

  /// get or set the distance between the header and the top of the page
  @override
  double? headerDistance;

  /// Gets or sets the height of header.
  @override
  double? headerHeight;

  @override
  bool? invertColor;

  /// Gets or sets the value to indicate whether the report template is created by user.
  @override
  bool? isCustom;

  /// Gets the report template name.
  @override
  String? name;

  /// Gets or sets the page padding. Default is 20mm.
  @override
  RTThickness? pagePadding;

  /// Gets or sets the page size.
  @override
  RTPageSize? pageSize;

  /// Gets the custom input element tags of the report template.
  @override
  Map<String, ElementTag>? tags;

  /// Gets or sets the update time.
  @override
  DateTime? updateTime;

  ///version
  @override
  String? version;

  /// Gets the id.
  @override
  late String id;

  /// Gets the report template footer.
  @override
  List<IBlockElement>? footer = [];

  /// Gets the report template header.
  @override
  List<IBlockElement>? header = [];

  @override
  ReportTemplateDocument() {
    id = Uuid().v1();
    pageSize = RTPageSize.a4;
    pagePadding = new RTThickness.uniform(56.83);
    headerHeight = null;
    footerHeight = null;
    baseFontSize = 9;
    headerDistance = 34;
    footerDistance = 34;
  }

  //TODO(Loki):目前仅能支持常规模板解析，其他模板需添加缺少的类
  ReportTemplateDocument.fromJson(Map<String, dynamic> json) {
    try {
      isCustom = json['IsCustom'];
      id = json['Id'];
      final jsonData = json['UpdateTime'];
      updateTime = DateTime.parse(jsonData!).toLocal();
      author = json['Author'];
      name = json['Name'];
      headerHeight = json['HeaderHeight'];
      footerHeight = json['FooterHeight'];
      headerDistance = json['HeaderDistance'];
      footerDistance = json['FooterDistance'];
      baseFontSize = json['BaseFontSize'];
      invertColor = json['InvertColor'];
      version = json['Version'];
      pagePadding = RTThickness.fromJson(json['PagePadding'] ?? {});
      pageSize = RTPageSize.fromJson(json['PageSize'] ?? {});
      Map jsonTags = json['Tags'];
      if (jsonTags.length > 0) {
        //TODO(Loki):tags convert
      } else {
        tags = {};
      }
      Map<dynamic, dynamic> jsonLanguages = json['CustomizeTranslation'] ?? {};
      jsonLanguages.forEach((key, value) {
        if (value is Map<dynamic, dynamic>) {
          if (value.isNotEmpty) {
            customizeTranslation[key] = value as Map<String, String>;
          } else {
            customizeTranslation[key] = {};
          }
        } else {
          customizeTranslation[key] = {};
        }
      });

      _initComments(json);
      _initBlocks(json);
    } catch (e) {
      print(e);
    }
  }

  void _initBlocks(Map<String, dynamic> json) {
    List<dynamic> jsonBlocks = json['Blocks'];
    if (jsonBlocks.isNotEmpty) {
      for (var block in jsonBlocks) {
        final type = block['ElementType'];
        final jsonType = ElementType.fromJson(type);
        final name = jsonType.name;
        if (name == ElementType.rtTable!.name) {
          final jsonBlock = RTTable.fromJson(block);
          blocks!.add(jsonBlock);
        } else if (name == ElementType.paragraph!.name) {
          final jsonBlock = Paragraph.fromJson(block);
          blocks!.add(jsonBlock);
        } else if (name == ElementType.imageList!.name) {
          final inputImageList = InputImageList.fromJson(block);
          blocks!.add(inputImageList);
        }
      }
    }
    List<dynamic> jsonHeads = json['Header'];
    if (jsonHeads.isNotEmpty) {
      //TODO(Loki): init headers
    }
    List<dynamic> jsonFooter = json['Footer'];
    if (jsonFooter.isNotEmpty) {
      for (var block in jsonFooter) {
        final type = block['ElementType'];
        final jsonType = ElementType.fromJson(type);
        final name = jsonType.name;
        if (name == ElementType.rtTable!.name) {
          final jsonBlock = RTTable.fromJson(block);
          footer!.add(jsonBlock);
        } else if (name == ElementType.paragraph!.name) {
          final paragraph = Paragraph.fromJson(block);
          footer!.add(paragraph);
        }
      }
    }
  }

  void _initComments(Map<String, dynamic> json) {
    List<String> tempComments = [];
    List<dynamic> jsonCustomizeComments = json['CustomizeComments'] ?? [];
    for (var element in jsonCustomizeComments) {
      tempComments.add(element.toString());
    }
    customizeComments = tempComments.toSet();
    tempComments.clear();

    List<dynamic> jsonReportComments = json['CustomizeReportComments'] ?? [];
    for (var element in jsonReportComments) {
      tempComments.add(element.toString());
    }
    customizeReportComments = tempComments.toSet();
    tempComments.clear();
    List<dynamic> jsonCustomizeCalculations =
        json['CustomizeCalculations'] ?? [];
    for (var element in jsonCustomizeCalculations) {
      tempComments.add(element.toString());
    }
    customizeCalculations = tempComments.toSet();
  }
}