import 'dart:convert';
import 'dart:typed_data';

import 'package:fis_lib_report/converts/alignment_convert.dart';
import 'package:fis_lib_report/converts/pt_to_px_converter.dart';
import 'package:fis_lib_report/converts/text_size_converter.dart';
import 'package:fis_lib_report/report/static_text.dart';
import 'package:fis_lib_report/report_info/report_info.dart';
import 'package:fis_lib_report/report_info/static_text_info.dart';
import 'package:flutter/material.dart';

class RStaticText extends StatefulWidget {
  RStaticText(this.staticText);
  final StaticText staticText;

  @override
  State<StatefulWidget> createState() {
    return _RStaticTextState();
  }
}

class _RStaticTextState extends State<RStaticText> {
  _RStaticTextState();

  double _fontSize = 15.0;
  TextStyle _style = const TextStyle();
  Color _fontColor = Colors.black;
  Color _backgroundColor = const Color.fromARGB(255, 255, 255, 255);
  EdgeInsets _margin = const EdgeInsets.all(0);
  StaticTextInfo? _staticTextInfo;

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

  @override
  Widget build(BuildContext context) {
    initDatas();
    final text = _staticTextInfo!.text!;
    return Container(
      margin: _margin,
      width: widget.staticText.lineWidth! > 0
          ? PtToPxConverter.ptToPx(widget.staticText.lineWidth!) - 2
          : null,
      child: Text(
        (text),
        style: _style,
      ),
    );
  }

  void initDatas() {
    final staticTextInfo =
        ReportInfo.instance.getElementInfo(widget.staticText);
    if (staticTextInfo != null) {
      _staticTextInfo = staticTextInfo as StaticTextInfo;
    }
    _fontSize = widget.staticText.fontSize ?? 15.0;
    //TODO(Loki):常规模板暂未设置fontStyles，后续再支持
    //final fontStyles = staticText.fontStyles;
    final fontColor = widget.staticText.fontColor;
    if (fontColor != null) {
      _fontColor = Color.fromARGB(
          fontColor.a!, fontColor.r!, fontColor.g!, fontColor.b!);
    }
    final backgroundColor = widget.staticText.background;
    if (backgroundColor != null) {
      _backgroundColor = Color.fromARGB(backgroundColor.a!, backgroundColor.r!,
          backgroundColor.g!, backgroundColor.b!);
    }
    final margin = widget.staticText.margin;
    if (margin != null) {
      _margin = EdgeInsets.only(
          top: margin.top ?? 0,
          bottom: margin.bottom ?? 0,
          left: margin.left ?? 0,
          right: margin.right ?? 0);
    }
    _style = TextStyle(
      fontSize: PtToPxConverter.ptToPx(_fontSize),
      color: _fontColor,
      backgroundColor: _backgroundColor,
    );
  }
}