import { DirectionalLight, Object3D, Vector3, Mesh, Material } from "three";
import { ThreeC } from "./ThreeC";
import { CameraC } from "./CameraC";
import { InputC, UpdateController } from "@24tools/playable_template";

export class TestSceneC {
  private static character: Object3D | null = null;

  static init() {
    this.loadMapModel();
    this.loadCharacter();

    // example of using InputC events
    InputC.onTouchDown.addDelegate((event) => {
      console.log("onMouseDown", event);
    });

    // Update loop to follow character with camera
    UpdateController.Instance.onUpdate.addDelegate(() => {
      this.updateCameraFollow();
    });
  }

  private static loadMapModel() {
    const mapObject = ThreeC.getObject("map");
    if (!mapObject) {
      console.warn("Map model resource not found: map");
      return;
    }

    mapObject.position.set(0, 0, 0);
    
    ThreeC.setShadowsStateForChildren(mapObject, true, true);
    ThreeC.addToScene(mapObject);
  }
  

  private static updateCameraFollow() {
    if (!this.character || !CameraC.camera) return;

    // Position camera at 75 degree angle from horizontal, slightly to the side
    const charPos = this.character.position;
    const angle = 70 * (Math.PI / 180); // 75 degrees
    const distance = 10;
    const sideOffset = 5; // offset to the left side

    // Calculate vertical and horizontal distances based on 75 degree angle
    const verticalDistance = distance * Math.sin(angle);
    const horizontalDistance = distance * Math.cos(angle);

    CameraC.camera.position.set(
      charPos.x + sideOffset,
      charPos.y + verticalDistance,
      charPos.z + horizontalDistance
    );
    CameraC.camera.lookAt(charPos.x, charPos.y + 1, charPos.z);
  }

  private static loadCharacter() {
    const charObject = ThreeC.getObject("character");
    if (!charObject) {
      console.warn("Character model resource not found: character");
      return;
    }

    // Place character near the map center; adjust Y for ground offset
    charObject.position.copy(new Vector3(0, 0, 32));
    this.character = charObject;
    ThreeC.setShadowsStateForChildren(charObject, true, true);
    ThreeC.addToScene(charObject);
  }
}