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

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

function hasCommonElements(arr1: string[], arr2: string[]) {
  for (let i = 0; i < arr1.length; i++) {
    if (arr2.includes(arr1[i])) {
      return arr1[i];
    }
  }
  return false;
}

function hasSamePosition(point1: IPointData, point2: IPointData): boolean {
  if (
    Math.abs(point1.x - point2.x) < 20 &&
    Math.abs(point1.y - point2.y) < 20
  ) {
    return true;
  }
  return false;
}

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[]) {
    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);
    axleCountingSection.datas.paRef = paRef;
    axleCountingSection.datas.pbRef = pbRef;
    this.storeGraphic(axleCountingSection);
    axleCountingSection.loadRelations();
  }

  oneGenerates() {
    const axleCountingSectionAll =
      this.app.queryStore.queryByType<AxleCountingSection>(
        AxleCountingSection.Type
      );
    this.app.deleteGraphics(...axleCountingSectionAll);
    const axleCountings = this.app.queryStore.queryByType<AxleCounting>(
      AxleCounting.Type
    );
    const hasfourTurnout: AxleCounting[][] = [];
    axleCountings.forEach((axleCounting) => {
      const refDeviceTarget = axleCounting.datas.axleCountingRef.map(
        (ref) => ref.id
      );
      for (let i = 0; i < axleCountings.length - 1; i++) {
        if (axleCountings[i].id == axleCounting.id) return;
        const refDevice = axleCountings[i].datas.axleCountingRef.map(
          (ref) => ref.id
        );
        const commonElementId = hasCommonElements(refDeviceTarget, refDevice);
        if (commonElementId) {
          const commonElement = this.app.queryStore.queryById(commonElementId);
          let draw = true;
          if (commonElement.type == 'Turnout') {
            let targetPort, port;
            axleCounting.datas.axleCountingRef.forEach((ref) => {
              if (ref.id == commonElementId) {
                targetPort = ref.devicePort;
              }
            });
            axleCountings[i].datas.axleCountingRef.forEach((ref) => {
              if (ref.id == commonElementId) {
                port = ref.devicePort;
              }
            });
            if (
              (targetPort == 1 && port == 2) ||
              (targetPort == 2 && port == 1)
            ) {
              draw = false;
            }
          }
          if (draw) {
            this.draw([axleCounting, axleCountings[i]]);
          }
        }
        if (hasSamePosition(axleCounting, axleCountings[i])) {
          hasfourTurnout.push([axleCounting, axleCountings[i]]);
        }
      }
    });
    const fourAxleCounting: AxleCounting[] = [];
    hasfourTurnout.forEach((axleCountings) => {
      axleCountings.forEach((axleCounting) => {
        //计轴关联的道岔
        const axleCountingRelations =
          axleCounting.relationManage.getRelationsOfGraphicAndOtherType(
            axleCounting,
            Turnout.Type
          );
        axleCountingRelations.forEach((relation) => {
          const refTurnout = relation.getOtherGraphic<Turnout>(axleCounting);
          //道岔关联的计轴
          const turnoutRelations =
            refTurnout.relationManage.getRelationsOfGraphicAndOtherType(
              refTurnout,
              AxleCounting.Type
            );
          turnoutRelations.forEach((relation) => {
            const refAxleCounting =
              relation.getOtherGraphic<AxleCounting>(refTurnout);
            if (
              refAxleCounting.id !== axleCountings[0].id &&
              refAxleCounting.id !== axleCountings[1].id
            ) {
              fourAxleCounting.push(refAxleCounting);
            }
          });
        });
      });
    });
    for (let x = 0; x < fourAxleCounting.length; x += 4) {
      const AxleCountings = fourAxleCounting.slice(x, x + 4);
      for (let y = 0; y < 4; y++) {
        if (fourAxleCounting[x].id == AxleCountings[y].id) continue;
        if (fourAxleCounting[x].y == AxleCountings[y].y) {
          this.draw([fourAxleCounting[x], AxleCountings[y]]);
          break;
        }
      }
      for (let y = 0; y < 4; y++) {
        if (fourAxleCounting[x + 1].id == AxleCountings[y].id) continue;
        if (fourAxleCounting[x + 1].y == AxleCountings[y].y) {
          this.draw([fourAxleCounting[x + 1], AxleCountings[y]]);
          break;
        }
      }
    }
  }
}

function buildAbsorbablePositions(
  axleCountingSection: AxleCountingSection
): AbsorbablePosition[] {
  const aps: AbsorbablePosition[] = [];
  const axleCountingSections =
    axleCountingSection.queryStore.queryByType<AxleCountingSection>(
      AxleCountingSection.Type
    );
  const { width } = axleCountingSection.getGraphicApp().canvas;
  axleCountingSections.forEach((other) => {
    if (other.id == axleCountingSection.id) {
      return;
    }
    const ps = other.datas.transform.position;
    const xs = new AbsorbableLine({ x: 0, y: ps.y }, { x: width, y: ps.y });
    aps.push(xs);
  });
  return aps;
}

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;
    g.on('selected', this.onSelected, this);
  }
  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;
    g.off('selected', this.onSelected, this);
  }
  onSelected(): void {
    const AxleCountingSection = this.app
      .selectedGraphics[0] as AxleCountingSection;
    this.app.setOptions({
      absorbablePositions: buildAbsorbablePositions(AxleCountingSection),
    });
  }
}