import 'package:fis_jsonrpc/rpc.dart';
import 'package:fis_measure/interfaces/process/items/item_metas.dart';
import 'package:fis_measure/interfaces/process/visuals/visual_area.dart';
import 'package:fis_measure/interfaces/process/workspace/application.dart';
import 'package:fis_measure/process/workspace/measure_data_controller.dart';
import 'package:fis_measure/process/workspace/measure_handler.dart';
import 'package:fis_ui/index.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:fis_theme/theme.dart';
import 'package:vid/us/vid_us_mode.dart';
import 'package:vid/us/vid_us_unit.dart';

/// 测量方法 Har
class LeftMeasureTools extends StatefulWidget implements FWidget {
  const LeftMeasureTools();

  @override
  State<LeftMeasureTools> createState() => _LeftMeasureToolsState();
}

class _LeftMeasureToolsState extends State<LeftMeasureTools> {
  late final application = Get.find<IApplication>();
  late final measureHandler = Get.find<MeasureHandler>();

  /// 数据
  late final measureData = Get.find<MeasureDataController>();

  void changeItem(ItemMeta itemMeta) {
    application.switchItem(itemMeta);
    if (mounted) {
      setState(() {});
    }
  }

  void applicationModesChanged(sender, List<VidUsMode> e) {
    if (mounted) {
      setState(() {});
    }
  }

  void visualAreaChanged(sender, IVisualArea e) {
    if (mounted) {
      setAvailableModes(e.mode.modeType.toString().split('.')[1]);
    }
  }

  /// 获取组合测量项
  void comboList() {
    List<ItemMeta> itemMetaList = [];

    for (var element in measureData.itemMetaList) {
      if (measureData.getMeasureApplicationList.contains(element.name)) {
        List<ItemOutputMeta> itemOutputMeta = [];
        String? multiMethod;
        List<OutputItemMetaDTO> availableOutputs =
            element.calculator?.availableOutputs ?? [];
        for (var element in availableOutputs) {
          itemOutputMeta.add(
            ItemOutputMeta(
              element.name ?? '',
              element.description ?? '',
              VidUsUnitMap.getUnit(element.unit),
            ),
          );
        }
        List<ItemMeta> childItemMetas = [];

        if (element.multiMethodItems?.isNotEmpty ?? false) {
          ChildItemMetaDTO? itemMeta = element.multiMethodItems!
              .firstWhereOrNull((element) => element.isWorking == true);
          List<ChildItemMetaDTO> childItems = itemMeta?.childItems ?? [];

          /// 组合测量项部分
          for (var element in childItems) {
            childItemMetas.add(
              ItemMeta(
                element.name ?? '',
                measureType: element.measureTypeName!,
                description: element.description ?? '',
                outputs: itemOutputMeta,
                childItems: childItemMetas,
              ),
            );
          }
        }
        itemMetaList.add(
          ItemMeta(
            element.name ?? '',
            measureType: element.measureTypeName!,
            description: element.description ?? '',
            outputs: itemOutputMeta,
            childItems: childItemMetas,
          ),
        );
      }
    }
    measureData.getItemMetaList = itemMetaList;
  }

  void setAvailableModes(String name) {
    var models = measureData.availableModes;
    measureData.currentMode = name;
    if (models.isNotEmpty) {
      ///群组列表
      var groups = models
          .firstWhereOrNull(
              (element) => element.modeName == measureData.currentMode)
          ?.availableGroups;

      if (groups != null && groups.isNotEmpty) {
        ///项目列表
        var folders = groups[0].availableFolders;
        if (folders != null && folders.isNotEmpty) {
          measureData.getMeasureApplicationList =
              folders[0].workingItemNames ?? [];
          if (folders[0].availableItems != null) {
            measureData.itemMetaList = folders[0].availableItems!.toList();
            comboList();
          }
          if (measureData.getMeasureApplicationList.isNotEmpty) {
            changeItem(measureData.getItemMetaList[0]);
          }
        }
      }
    }
    setState(() {});
  }

  @override
  void initState() {
    super.initState();
    measureData.applicationModesChanged.addListener(applicationModesChanged);
    application.visualAreaChanged.addListener(visualAreaChanged);
  }

  @override
  void dispose() {
    super.dispose();
    measureData.applicationModesChanged.removeListener(applicationModesChanged);
    application.visualAreaChanged.removeListener(visualAreaChanged);
  }

  @override
  FWidget build(BuildContext context) {
    return FContainer(
      width: 300,
      height: 50,
      alignment: Alignment.topCenter,
      padding: const EdgeInsets.symmetric(horizontal: 15),
      child: FGridView.count(
        shrinkWrap: true,
        crossAxisCount: 4,
        crossAxisSpacing: 10,
        mainAxisSpacing: 10,
        childAspectRatio: 1 / 0.5,
        children: measureData.applicationModes.asMap().entries.map((e) {
          final bool isACtiveModes =
              measureData.currentMode == e.value.type.name;

          return FInkWell(
            onTap: () {
              setAvailableModes(e.value.type.name);
              setState(() {});
            },
            child: FContainer(
              alignment: Alignment.center,
              decoration: BoxDecoration(
                border: isACtiveModes
                    ? Border.all(
                        color: FTheme.ins.colorScheme.primary,
                      )
                    : Border.all(
                        color: Colors.grey,
                      ),
                borderRadius: BorderRadius.circular(4),
                color: isACtiveModes
                    ? FTheme.ins.colorScheme.primary
                    : Colors.grey,
              ),
              child: FText(
                e.value.displayName,
                style: const TextStyle(
                  color: Colors.white,
                ),
              ),
            ),
          );
        }).toList(),
      ),
    );
  }
}