import { makeAutoObservable } from "mobx";
import type { WorldState } from "./worldState";
import type { RunningGameState, Scene } from "../types";
import { clone } from "../utils";
import { state } from "./rootState";
import type { Pos3 } from "../types/3d";
import type { CameraProps } from "@react-three/fiber";

export class GameState {
    private readonly world: WorldState;

    constructor(world: WorldState) {
        this.world = world;
        makeAutoObservable(this);
    }

    public get state(): RunningGameState {
        return this.world.data.state as RunningGameState;
    }

    public get isPaused(): boolean {
        return this.state.paused;
    }

    public get scene(): Scene {
        return this.state.scene;
    }

    public get camera(): Pos3 {
        return this.scene.character;
    }

    public get cameraAsThree(): CameraProps {
        const cam = this.camera;
        return {
            position: cam.position,
            fov: 50,
            rotation: cam.look,
        }
    }

    public resume(): void {
        const state = clone(this.world.data.state) as RunningGameState;
        state.paused = false;
        this.world.data.state = state;
    }

    public pause(): void {
        const state = clone(this.world.data.state) as RunningGameState;
        state.paused = true;
        this.world.data.state = state;
    }

    public stop(): void {
        this.world.data.state = { playing: false };
    }

    public tick(deltaTime: number): void {
        //TODO
    }
}