import {
    DIVERenderer,
    DIVERendererDefaultSettings,
    DIVERendererSettings,
} from './renderer/Renderer.ts';
import { DIVEScene } from './scene/Scene.ts';
import DIVEPerspectiveCamera, {
    DIVEPerspectiveCameraDefaultSettings,
    DIVEPerspectiveCameraSettings,
} from './camera/PerspectiveCamera.ts';
import DIVEOrbitControls, {
    DIVEOrbitControlsDefaultSettings,
    DIVEOrbitControlsSettings,
} from './controls/OrbitControls.ts';
import DIVEToolbox from './toolbox/Toolbox.ts';
import { DIVECommunication } from './com/Communication.ts';
import { DIVEAnimationSystem } from './animation/AnimationSystem.ts';
import DIVEAxisCamera from './axiscamera/AxisCamera.ts';
import { getObjectDelta } from './helper/getObjectDelta/getObjectDelta.ts';
import { MathUtils } from 'three';
import { DIVEInfo } from './info/Info.ts';
import pkgjson from '../package.json';

export type DIVESettings = {
    autoResize: boolean;
    autoStart: boolean;
    displayAxes: boolean;
    renderer: Partial<DIVERendererSettings>;
    perspectiveCamera: Partial<DIVEPerspectiveCameraSettings>;
    orbitControls: Partial<DIVEOrbitControlsSettings>;
};

export const DIVEDefaultSettings: DIVESettings = {
    autoResize: true,
    autoStart: true,
    displayAxes: false,
    renderer: DIVERendererDefaultSettings,
    perspectiveCamera: DIVEPerspectiveCameraDefaultSettings,
    orbitControls: DIVEOrbitControlsDefaultSettings,
};

/**
 * #### DIVE
 * is the main class of the DIVE framework.
 *
 * An instance of this class delivers a complete 3D environment with a perspective camera, orbit controls, a toolbox, and a communication system.
 * ```ts
 * import { DIVE } from "@shopware-ag/dive";
 *
 * const myWrapper = document.getElementById('myWrapper');
 *
 * const dive = new DIVE();
 *
 * myWrapper.appendChild(dive.Canvas);
 *
 * dive.Communication.Subscribe('GET_ALL_SCENE_DATA', () => {
 *  // do something
 * }));
 *
 * dive.Communication.PerformAction('GET_ALL_SCENE_DATA', {});
 * ```
 * @module
 */

export default class DIVE {
    // static members
    public static QuickView(
        uri: string,
        settings?: Partial<DIVESettings>,
    ): DIVE {
        const dive = new DIVE(settings);

        dive.Communication.PerformAction('SET_CAMERA_TRANSFORM', {
            position: { x: 0, y: 2, z: 2 },
            target: { x: 0, y: 0.5, z: 0 },
        });

        // generate scene light id
        const lightid = MathUtils.generateUUID();

        // add scene light
        dive.Communication.PerformAction('ADD_OBJECT', {
            entityType: 'light',
            type: 'scene',
            name: 'light',
            id: lightid,
            enabled: true,
            visible: true,
            intensity: 1,
            color: 0xffffff,
        });

        // generate model id
        const modelid = MathUtils.generateUUID();

        // add loaded listener
        dive.Communication.Subscribe('MODEL_LOADED', (data) => {
            if (data.id !== modelid) return;

            const transform = dive.Communication.PerformAction(
                'COMPUTE_ENCOMPASSING_VIEW',
                {},
            );

            dive.Communication.PerformAction('SET_CAMERA_TRANSFORM', {
                position: transform.position,
                target: transform.target,
            });
        });

        // instantiate model
        dive.Communication.PerformAction('ADD_OBJECT', {
            entityType: 'model',
            name: 'object',
            id: modelid,
            position: { x: 0, y: 0, z: 0 },
            rotation: { x: 0, y: 0, z: 0 },
            scale: { x: 1, y: 1, z: 1 },
            uri: uri,
            visible: true,
            loaded: false,
        });

        // set scene properties
        dive.Communication.PerformAction('UPDATE_SCENE', {
            backgroundColor: 0xffffff,
            gridEnabled: false,
            floorColor: 0xffffff,
        });

        return dive;
    }

    // descriptive members
    private _settings: DIVESettings;
    private _resizeObserverId: string;
    private _width: number;
    private _height: number;

    // functional components
    private renderer: DIVERenderer;
    private scene: DIVEScene;
    private perspectiveCamera: DIVEPerspectiveCamera;
    private orbitControls: DIVEOrbitControls;
    private toolbox: DIVEToolbox;
    private communication: DIVECommunication;

    // additional components
    private animationSystem: DIVEAnimationSystem;
    private axisCamera: DIVEAxisCamera | null;

    // getters
    public get Communication(): DIVECommunication {
        return this.communication;
    }

    public get Canvas(): HTMLCanvasElement {
        return this.renderer.domElement;
    }

    public get Info(): DIVEInfo {
        return DIVEInfo;
    }

    // setters
    public set Settings(settings: Partial<DIVESettings>) {
        const settingsDelta = getObjectDelta(this._settings, settings);

        // apply renderer settings (we have to rebuild the renderer to apply the settings)
        if (settingsDelta.renderer)
            this.renderer = new DIVERenderer(this._settings.renderer);

        // apply perspective camera settings
        if (settingsDelta.perspectiveCamera) {
            if (settingsDelta.perspectiveCamera.fov !== undefined)
                this.perspectiveCamera.fov =
                    settingsDelta.perspectiveCamera.fov;
            if (settingsDelta.perspectiveCamera.near !== undefined)
                this.perspectiveCamera.near =
                    settingsDelta.perspectiveCamera.near;
            if (settingsDelta.perspectiveCamera.far !== undefined)
                this.perspectiveCamera.far =
                    settingsDelta.perspectiveCamera.far;
            this.perspectiveCamera.OnResize(
                this.renderer.domElement.width,
                this.renderer.domElement.height,
            );
        }
        // apply orbit controls settings
        if (settingsDelta.orbitControls) {
            if (settingsDelta.orbitControls.enableDamping !== undefined)
                this.orbitControls.enableDamping =
                    settingsDelta.orbitControls.enableDamping;
            if (settingsDelta.orbitControls.dampingFactor !== undefined)
                this.orbitControls.dampingFactor =
                    settingsDelta.orbitControls.dampingFactor;
        }

        if (settingsDelta.autoResize !== this._settings.autoResize) {
            if (settingsDelta.autoResize) {
                this.addResizeObserver();
            } else {
                this.removeResizeObserver();
            }
        }

        if (settingsDelta.displayAxes) {
            this.axisCamera = new DIVEAxisCamera(
                this.renderer,
                this.scene,
                this.orbitControls,
            );
        } else {
            this.axisCamera?.Dispose();
            this.axisCamera = null;
        }

        Object.assign(this._settings, settings);
    }

    constructor(settings?: Partial<DIVESettings>) {
        this._settings = {
            ...DIVEDefaultSettings,
            ...(settings !== undefined ? settings : {}),
        };

        this._resizeObserverId = '';
        this._width = 0;
        this._height = 0;

        // initialize functional components
        this.renderer = new DIVERenderer(this._settings.renderer);
        this.scene = new DIVEScene();
        this.perspectiveCamera = new DIVEPerspectiveCamera(
            this._settings.perspectiveCamera,
        );

        // initialize animation system
        this.animationSystem = new DIVEAnimationSystem(this.renderer);

        this.orbitControls = new DIVEOrbitControls(
            this.perspectiveCamera,
            this.renderer,
            this.animationSystem,
            this._settings.orbitControls,
        );
        this.toolbox = new DIVEToolbox(this.scene, this.orbitControls);
        this.communication = new DIVECommunication(
            this.renderer,
            this.scene,
            this.orbitControls,
            this.toolbox,
        );

        // initialize axis camera
        if (this._settings.displayAxes) {
            this.axisCamera = new DIVEAxisCamera(
                this.renderer,
                this.scene,
                this.orbitControls,
            );
        } else {
            this.axisCamera = null;
        }

        // add resize observer if autoResize is enabled
        if (this._settings.autoResize) {
            this.addResizeObserver();
        }

        // eslint-disable-next-line @typescript-eslint/no-explicit-any
        (window as any).DIVE = {
            PrintScene: () => {
                console.log(this.scene);
            },
        };

        console.log(`DIVE ${pkgjson.version} initialized successfully!`);
        console.log(`
                    @@@@@@@@@@@@@@@@@@@@@@@              @@@@@@@@@@@@@@@@@@@@@@@
               @@@@+-:::::::---------------------==------------------------------=#@@@@
            @@%=::::.......::---------------------------------------------------------+@@
          @@+:::...........::-----------------------------------------------------------#@@
        @@=:::.........::::::-------------------------------------------------------------%@
       @%:::.......:::::::-----------------------------------------------------------------#@
      @*:::.....:::::-----------------------------------------------------------------------*@
     @%::::::.::::---------------------------------------------------------------------------@@
    @@-:::::::::-----------------------------------------------------------------------------=@
    @%::::::::--------------------------------------------------------------------------------%@
    @+::::::::--------------------------------=@@@@@%-----------------------------------------%@
    @=:::::::--------------------------------*@@    @@+---------------------------------------#@
    @+:::::::-------------------------------*@        @*--------------------------------------%@
    @#::::::::-----------------------------=@@        @@=-------------------------------------%@
    @@-::::::::----------------------------@@          @@------------------------------------=@
     @%:::::::::--------------------------*@            @*-----------------------------------@@
      @*:::::::::-------------------------@@            @@----------------------------------%@
       @#::::::::::----------------------%@              @%--------------------------------%@
        @#:::::::::::-------------------=@@              @@=------------------------------%@
         @@-::::::::::::----------------%@                @%----------------------------=@@
          @@#::::::::::::::------------*@                  @*--------------------------#@@
            @@+::::::::::::::::--------@@                  @@------------------------+@@
              @@*:::::::::::::::::----@@                    @@---------------------+@@
                @@@-:::::::::::::::--#@                      @#-----------------=%@@
                   @@%-::::::::::::-%@                        @%-------------=%@@
                      @@@@+:::::::#@@                          @@*-------*@@@@
                           @@@@@@@                                @@@@@@

        `);

        if (this._settings.autoStart) {
            // when everything is done, start the renderer
            this.renderer.StartRenderer(this.scene, this.perspectiveCamera);
        }
    }

    public Dispose(): void {
        this.removeResizeObserver();
        this.renderer.Dispose();
        this.orbitControls.Dispose();
        this.axisCamera?.Dispose();
        this.animationSystem.Dispose();
        this.toolbox.Dispose();
        this.communication.DestroyInstance();
    }

    // methods
    public OnResize(width: number, height: number): void {
        // resize renderer
        this.renderer.OnResize(width, height);

        // resize camera
        this.perspectiveCamera.OnResize(width, height);
    }

    private addResizeObserver(): void {
        this._resizeObserverId = this.renderer.AddPreRenderCallback(() => {
            // check if the canvas is mounted
            const canvasWrapper = this.renderer.domElement.parentElement;
            if (!canvasWrapper) return;

            const { clientWidth, clientHeight } = canvasWrapper;
            if (clientWidth === this._width && clientHeight === this._height)
                return;

            this.OnResize(clientWidth, clientHeight);

            this._width = clientWidth;
            this._height = clientHeight;
        });
    }

    private removeResizeObserver(): void {
        this.renderer.RemovePreRenderCallback(this._resizeObserverId);
    }
}

export { DIVE, DIVECommunication };

export * from './math/index.ts';

export type * from './com/actions/index.ts';
export type * from './com/types';
export type * from './types';