/**
 * Task E7 – Event-Elemente-Polish: curtain, spotlight, barrier,
 * stage-height-Attribut.
 *
 * Prüft die Tool-Platzierung (Element-Form + Options), die
 * Pixi-Drawer-Primitives und die height-Durchreichung für stage.
 */
import { describe, it, expect } from 'vitest';
import {
  curtainTool, spotlightTool, barrierTool,
} from '../src/plugins/builtin/event-tools';
import { createInMemoryDoc } from './helpers/inMemoryDoc';
import { CADDocument } from '../src/kernel/document/CADDocument';
import { elementToPrimitives } from '../src/render/pixi/elementDrawers';
import { SeatingService } from '../src/services/seatingService';
import type { CADElement, Pt } from '../src/types/cad.types';

function fireDown(tool: any, world: Pt, options: Record<string, unknown> = {}) {
  const { ydoc } = createInMemoryDoc();
  const doc = new CADDocument(ydoc);
  const ctx = {
    doc,
    options,
    setStatus: () => {},
    setPreview: () => {},
  } as any;
  tool.handlers.down({ world } as any, ctx);
  return { added: doc.getAllElements(), doc };
}

describe('E7: curtain', () => {
  it('curtainTool platziert curtain-Element mit Wellen-Polyline und stageHeight', () => {
    const { added } = fireDown(curtainTool, { x: 100, y: 50 }, { stageHeight: 120 });
    expect(added.length).toBe(1);
    const el = added[0];
    expect(el.type).toBe('curtain');
    expect(el.width).toBe(400); // Standard-Breite
    expect(el.properties.stageHeight).toBe(120);
    const pts = el.properties.points as Pt[];
    expect(Array.isArray(pts)).toBe(true);
    expect(pts.length).toBeGreaterThan(20); // Wellenpunkte
  });

  it('Drawer: curtain → polyline-Primitive (geschlossen=false)', () => {
    const { added } = fireDown(curtainTool, { x: 100, y: 50 }, { stageHeight: 120 });
    const prims = elementToPrimitives(added[0]);
    expect(prims.length).toBe(1);
    expect(prims[0].kind).toBe('polyline');
    expect((prims[0] as any).close).toBe(false);
  });
});

describe('E7: spotlight', () => {
  it('spotlightTool platziert Lichtkegel-Polygon mit angle und color', () => {
    const { added } = fireDown(spotlightTool, { x: 0, y: 0 }, { angle: 45, color: '#ffcc00' });
    expect(added.length).toBe(1);
    const el = added[0];
    expect(el.type).toBe('spotlight');
    expect(el.properties.angle).toBe(45);
    expect(el.properties.color).toBe('#ffcc00');
    const pts = el.properties.points as Pt[];
    expect(pts.length).toBe(4); // Kegel: Ursprung + zwei Basis-Ecken + zurück
  });

  it('Drawer: spotlight → Polygon mit Füllung aus color', () => {
    const { added } = fireDown(spotlightTool, { x: 0, y: 0 }, { angle: 45, color: '#ffcc00' });
    const prims = elementToPrimitives(added[0]);
    expect(prims.length).toBe(1);
    expect(prims[0].kind).toBe('polyline');
    expect((prims[0] as any).close).toBe(true);
    expect((prims[0] as any).stroke.toLowerCase()).toContain('#ffcc00');
  });

  it('Kegel-Ausrichtung: angle=0 zeigt nach rechts (Richtung +x)', () => {
    const { added } = fireDown(spotlightTool, { x: 0, y: 0 }, { angle: 0, color: '#fff' });
    const pts = added[0].properties.points as Pt[];
    expect(pts[1].x).toBeGreaterThan(100); // Basis-Ecke weiter rechts als Ursprung
    expect(pts[2].x).toBeGreaterThan(100);
  });
});

describe('E7: barrier', () => {
  it('barrierTool platziert Kette aus Kreis-Paaren entlang Standardlänge', () => {
    const { added } = fireDown(barrierTool, { x: 0, y: 0 }, {});
    expect(added.length).toBe(1);
    const el = added[0];
    expect(el.type).toBe('barrier');
    expect(el.width).toBe(200); // Standard-Länge
  });

  it('Drawer: barrier → mehrere circle-Primitives (Kettenglieder)', () => {
    const { added } = fireDown(barrierTool, { x: 0, y: 0 }, {});
    const prims = elementToPrimitives(added[0]);
    expect(prims.length).toBeGreaterThan(4);
    expect(prims.every((p) => p.kind === 'circle')).toBe(true);
  });
});

describe('E7: stage height', () => {
  it('createStage nimmt height-Option auf (properties.height)', () => {
    const stage = new SeatingService().createStage(100, 100, 'layer-0', { width: 400, height: 60 });
    expect(stage.type).toBe('stage');
    expect(stage.properties.height).toBe(60);
    expect(stage.width).toBe(400);
  });
});