import { FederatedPointerEvent, IHitArea, Point } from 'pixi.js';
import {
  GraphicDrawAssistant,
  GraphicIdGenerator,
  GraphicInteractionPlugin,
  JlDrawApp,
  JlGraphic,
  linePoint,
} from 'src/jl-graphic';

import {
  IAxleCountingSectionData,
  AxleCountingSection,
  AxleCountingSectionTemplate,
  AxleCountingSectionConsts,
  ITurnoutPosRefData,
} from './AxleCountingSection';
import { AxleCounting } from '../axleCounting/AxleCounting';
import { Section } from '../section/Section';
import { Turnout } from '../turnout/Turnout';
import { createRelatedRefProto } from '../CommonGraphics';

function removePortBC<T>(a: T, b: T): boolean {
  if ((a == 'B' && b == 'C') || (a == 'C' && b == 'B')) {
    return false;
  }
  return true;
}
export interface IAxleCountingSectionDrawOptions {
  newData: () => IAxleCountingSectionData;
}
export class AxleCountingSectionDraw extends GraphicDrawAssistant<
  AxleCountingSectionTemplate,
  IAxleCountingSectionData
> {
  codeGraph: AxleCountingSection;
  constructor(app: JlDrawApp, template: AxleCountingSectionTemplate) {
    super(app, template, 'sym_o_circle', '不展示');
    this.codeGraph = this.graphicTemplate.new();
    this.container.addChild(this.codeGraph);
    AxleCountingSectionInteraction.init(app);
  }

  bind(): void {
    super.bind();
    this.codeGraph.loadData(this.graphicTemplate.datas);
    this.codeGraph.doRepaint();
  }

  clearCache(): void {
    //this.codeGraph.destroy();
  }
  onLeftDown(e: FederatedPointerEvent): void {
    this.container.position.copyFrom(this.toCanvasCoordinates(e.global));
    this.createAndStore(true);
  }

  redraw(p: Point): void {
    this.container.position.copyFrom(p);
  }
  prepareData(data: IAxleCountingSectionData): boolean {
    data.transform = this.container.saveTransform();
    return true;
  }
  draw(
    graphics: AxleCounting[],
    commonElement: JlGraphic[],
    map: Map<string, number>,
    turoutPos?: number[]
  ) {
    if (
      map.has(`${graphics[0].id}+${graphics[1].id}`) ||
      map.has(`${graphics[1].id}+${graphics[0].id}`)
    )
      return;
    map.set(`${graphics[0].id}+${graphics[1].id}`, 1);
    const axleCountingSection = new AxleCountingSection();
    axleCountingSection.loadData(this.graphicTemplate.datas);
    axleCountingSection.datas.points = [
      graphics[0].position,
      graphics[1].position,
    ];
    axleCountingSection.id = GraphicIdGenerator.next();
    const paRef = createRelatedRefProto(graphics[0].type, graphics[0].id);
    const pbRef = createRelatedRefProto(graphics[1].type, graphics[1].id);
    const turnoutPosData: ITurnoutPosRefData[] = [];
    if (commonElement[0].type == 'Turnout') {
      commonElement.forEach((Turnout, i) => {
        turnoutPosData.push({
          id: Turnout.id,
          position: (turoutPos as number[])[i],
        });
      });
    }
    axleCountingSection.datas.paRef = paRef;
    axleCountingSection.datas.pbRef = pbRef;
    axleCountingSection.datas.turnoutPosRef = turnoutPosData;
    this.storeGraphic(axleCountingSection);
    axleCountingSection.loadRelations();
  }
  oneGenerates() {
    const map = new Map();
    const axleCountingSections =
      this.app.queryStore.queryByType<AxleCountingSection>(
        AxleCountingSection.Type
      );
    axleCountingSections.forEach((axleCountingSection) => {
      map.set(
        `${axleCountingSection.datas.paRef?.id}+${axleCountingSection.datas.pbRef?.id}`,
        1
      );
    });
    const axleCountings = this.app.queryStore.queryByType<AxleCounting>(
      AxleCounting.Type
    );
    axleCountings.forEach((axleCounting) => {
      //计轴关联的区段
      const axleCountingRefSection =
        axleCounting.relationManage.getRelationsOfGraphicAndOtherType(
          axleCounting,
          Section.Type
        );
      axleCountingRefSection.forEach((ref) => {
        const refDevice = ref.getOtherGraphic<Section>(axleCounting);
        const refDevicePort = ref.getOtherRelationParam(axleCounting).param;
        const refDeviceOtherPort = refDevicePort == 'A' ? 'B' : 'A';
        const otherPortRefAxle = refDevice.relationManage
          .getRelationsOfGraphicAndOtherType(refDevice, AxleCounting.Type)
          .find(
            (relation) =>
              relation.getRelationParam(refDevice).param == refDeviceOtherPort
          )
          ?.getOtherGraphic(refDevice);
        if (otherPortRefAxle !== undefined) {
          this.draw(
            [axleCounting, otherPortRefAxle as AxleCounting],
            [refDevice],
            map
          );
        }
      });
      //计轴关联的道岔
      const axleCountingRefTurnout =
        axleCounting.relationManage.getRelationsOfGraphicAndOtherType(
          axleCounting,
          Turnout.Type
        );
      axleCountingRefTurnout.forEach((ref) => {
        const refDevice = ref.getOtherGraphic<Turnout>(axleCounting);
        const refDevicePort = ref.getOtherRelationParam(axleCounting).param;
        let refDeviceOtherPort: string[] = [];
        switch (refDevicePort) {
          case 'A':
            refDeviceOtherPort = ['B', 'C'];
            break;
          case 'B':
            refDeviceOtherPort = ['A', 'C'];
            break;
          case 'C':
            refDeviceOtherPort = ['A', 'B'];
            break;
        }
        //关联道岔的其它端点--需要找路径
        refDeviceOtherPort.forEach((port) => {
          const otherPortRefAxle = refDevice.relationManage
            .getRelationsOfGraphicAndOtherType(refDevice, AxleCounting.Type)
            .find(
              (relation) => relation.getRelationParam(refDevice).param == port
            )
            ?.getOtherGraphic(refDevice);
          if (
            otherPortRefAxle !== undefined &&
            removePortBC(refDevicePort, port)
          ) {
            let turoutPos = 0;
            if (refDevicePort == 'C' || port == 'C') {
              turoutPos = 1;
            }
            this.draw(
              [axleCounting, otherPortRefAxle as AxleCounting],
              [refDevice],
              map,
              [turoutPos]
            );
          } else if (otherPortRefAxle == undefined) {
            const refDeviceRefTurnoutRelation = refDevice.relationManage
              .getRelationsOfGraphicAndOtherType(refDevice, Turnout.Type)
              .find(
                (relation) => relation.getRelationParam(refDevice).param == port
              );
            const refDeviceRefTurnout =
              refDeviceRefTurnoutRelation?.getOtherGraphic(refDevice);
            const refDeviceRefTurnoutPort =
              refDeviceRefTurnoutRelation?.getRelationParam(
                refDeviceRefTurnout as JlGraphic
              ).param;
            const otherPortRefAxleInfo: {
              axle: AxleCounting;
              turoutPort: string;
            }[] = [];
            refDeviceRefTurnout?.relationManage
              .getRelationsOfGraphicAndOtherType(
                refDeviceRefTurnout,
                AxleCounting.Type
              )
              .filter((relation) => {
                return (
                  relation.getRelationParam(refDeviceRefTurnout).param !==
                  refDeviceRefTurnoutPort
                );
              })
              .forEach((ref) => {
                otherPortRefAxleInfo.push({
                  axle: ref.getOtherGraphic(refDeviceRefTurnout),
                  turoutPort: ref.getRelationParam(refDeviceRefTurnout).param,
                });
              });
            const bbConnect =
              port == 'B' && refDeviceRefTurnoutPort == 'B' ? true : false;
            otherPortRefAxleInfo?.forEach((info) => {
              if (
                (refDevicePort !== 'C' && info.turoutPort !== 'C') ||
                (refDevicePort == 'A' && info.turoutPort == 'C' && !bbConnect)
              ) {
                let turoutPos: number[] = [];
                if (
                  refDevicePort == 'A' &&
                  info.turoutPort == 'C' &&
                  !bbConnect
                ) {
                  turoutPos = [0, 1];
                } else {
                  turoutPos = [0, 0];
                }
                this.draw(
                  [axleCounting, info.axle as AxleCounting],
                  [refDevice, refDeviceRefTurnout as JlGraphic],
                  map,
                  turoutPos
                );
              }
            });
          }
        });
      });
    });
  }
}
class AxleCountingSectionGraphicHitArea implements IHitArea {
  axleCountingSection: AxleCountingSection;
  constructor(axleCountingSection: AxleCountingSection) {
    this.axleCountingSection = axleCountingSection;
  }
  contains(x: number, y: number): boolean {
    for (let i = 1; i < this.axleCountingSection.datas.points.length; i++) {
      const p1 = this.axleCountingSection.datas.points[i - 1];
      const p2 = this.axleCountingSection.datas.points[i];
      if (linePoint(p1, p2, { x, y }, AxleCountingSectionConsts.lineWidth)) {
        return true;
      }
    }
    return false;
  }
}

export class AxleCountingSectionInteraction extends GraphicInteractionPlugin<AxleCountingSection> {
  static Name = 'AxleCountingSection_transform';
  constructor(app: JlDrawApp) {
    super(AxleCountingSectionInteraction.Name, app);
  }
  static init(app: JlDrawApp) {
    return new AxleCountingSectionInteraction(app);
  }
  filter(...grahpics: JlGraphic[]): AxleCountingSection[] | undefined {
    return grahpics
      .filter((g) => g.type === AxleCountingSection.Type)
      .map((g) => g as AxleCountingSection);
  }
  bind(g: AxleCountingSection): void {
    g.eventMode = 'static';
    g.cursor = 'pointer';
    g.scalable = true;
    g.transformSave = true;
    g.lineGraphic.eventMode = 'static';
    g.lineGraphic.cursor = 'pointer';
    g.lineGraphic.hitArea = new AxleCountingSectionGraphicHitArea(g);
    g.labelGraphic.eventMode = 'static';
    g.labelGraphic.cursor = 'pointer';
    g.labelGraphic.selectable = true;
    g.labelGraphic.draggable = true;
  }
  unbind(g: AxleCountingSection): void {
    g.eventMode = 'none';
    g.scalable = false;
    g.rotatable = false;
    g.lineGraphic.eventMode = 'none';
    g.lineGraphic.draggable = false;
    g.lineGraphic.selectable = false;
    g.lineGraphic.transformSave = false;
    g.labelGraphic.eventMode = 'none';
    g.labelGraphic.draggable = false;
    g.labelGraphic.selectable = false;
    g.labelGraphic.transformSave = false;
  }
}