import { WebXRGenericTriggerMotionController } from "./webXRGenericMotionController.js";
import { Tools } from "../../Misc/tools.js";
import { WebXRProfiledMotionController } from "./webXRProfiledMotionController.js";
/**
 * The MotionController Manager manages all registered motion controllers and loads the right one when needed.
 *
 * When this repository is complete: https://github.com/immersive-web/webxr-input-profiles/tree/master/packages/assets
 * it should be replaced with auto-loaded controllers.
 *
 * When using a model try to stay as generic as possible. Eventually there will be no need in any of the controller classes
 */
const controllerCache = [];
/**
 * Motion controller manager is managing the different webxr profiles and makes sure the right
 * controller is being loaded.
 */
export class WebXRMotionControllerManager {
    /**
     * Clear the cache used for profile loading and reload when requested again
     */
    static ClearProfilesCache() {
        this._ProfilesList = null;
        this._ProfileLoadingPromises = {};
    }
    /**
     * Register the default fallbacks.
     * This function is called automatically when this file is imported.
     */
    static DefaultFallbacks() {
        this.RegisterFallbacksForProfileId("google-daydream", ["generic-touchpad"]);
        this.RegisterFallbacksForProfileId("htc-vive-focus", ["generic-trigger-touchpad"]);
        this.RegisterFallbacksForProfileId("htc-vive", ["generic-trigger-squeeze-touchpad"]);
        this.RegisterFallbacksForProfileId("magicleap-one", ["generic-trigger-squeeze-touchpad"]);
        this.RegisterFallbacksForProfileId("windows-mixed-reality", ["generic-trigger-squeeze-touchpad-thumbstick"]);
        this.RegisterFallbacksForProfileId("microsoft-mixed-reality", ["windows-mixed-reality", "generic-trigger-squeeze-touchpad-thumbstick"]);
        this.RegisterFallbacksForProfileId("oculus-go", ["generic-trigger-touchpad"]);
        this.RegisterFallbacksForProfileId("oculus-touch-v2", ["oculus-touch", "generic-trigger-squeeze-thumbstick"]);
        this.RegisterFallbacksForProfileId("oculus-touch", ["generic-trigger-squeeze-thumbstick"]);
        this.RegisterFallbacksForProfileId("samsung-gearvr", ["windows-mixed-reality", "generic-trigger-squeeze-touchpad-thumbstick"]);
        this.RegisterFallbacksForProfileId("samsung-odyssey", ["generic-touchpad"]);
        this.RegisterFallbacksForProfileId("valve-index", ["generic-trigger-squeeze-touchpad-thumbstick"]);
        this.RegisterFallbacksForProfileId("generic-hand-select", ["generic-trigger"]);
    }
    /**
     * Find a fallback profile if the profile was not found. There are a few predefined generic profiles.
     * @param profileId the profile to which a fallback needs to be found
     * @returns an array with corresponding fallback profiles
     */
    static FindFallbackWithProfileId(profileId) {
        const returnArray = this._Fallbacks[profileId] || [];
        returnArray.unshift(profileId);
        return returnArray;
    }
    /**
     * When acquiring a new xrInput object (usually by the WebXRInput class), match it with the correct profile.
     * The order of search:
     *
     * 1) Iterate the profiles array of the xr input and try finding a corresponding motion controller
     * 2) (If not found) search in the gamepad id and try using it (legacy versions only)
     * 3) search for registered fallbacks (should be redundant, nonetheless it makes sense to check)
     * 4) return the generic trigger controller if none were found
     *
     * @param xrInput the xrInput to which a new controller is initialized
     * @param scene the scene to which the model will be added
     * @param forceProfile force a certain profile for this controller
     * @returns A promise that fulfils with the motion controller class for this profile id or the generic standard class if none was found
     */
    static GetMotionControllerWithXRInput(xrInput, scene, forceProfile) {
        const profileArray = [];
        if (forceProfile) {
            profileArray.push(forceProfile);
        }
        profileArray.push(...(xrInput.profiles || []));
        // emulator support
        if (profileArray.length && !profileArray[0]) {
            // remove the first "undefined" that the emulator is adding
            profileArray.pop();
        }
        // legacy support - try using the gamepad id
        if (xrInput.gamepad && xrInput.gamepad.id) {
            switch (xrInput.gamepad.id) {
                case xrInput.gamepad.id.match(/oculus touch/gi) ? xrInput.gamepad.id : undefined:
                    // oculus in gamepad id
                    profileArray.push("oculus-touch-v2");
                    break;
            }
        }
        // make sure microsoft/windows mixed reality works correctly
        const windowsMRIdx = profileArray.indexOf("windows-mixed-reality");
        if (windowsMRIdx !== -1) {
            profileArray.splice(windowsMRIdx, 0, "microsoft-mixed-reality");
        }
        if (!profileArray.length) {
            profileArray.push("generic-trigger");
        }
        if (this.UseOnlineRepository) {
            const firstFunction = this.PrioritizeOnlineRepository ? this._LoadProfileFromRepository : this._LoadProfilesFromAvailableControllers;
            const secondFunction = this.PrioritizeOnlineRepository ? this._LoadProfilesFromAvailableControllers : this._LoadProfileFromRepository;
            return firstFunction.call(this, profileArray, xrInput, scene).catch(() => {
                return secondFunction.call(this, profileArray, xrInput, scene);
            });
        }
        else {
            // use only available functions
            return this._LoadProfilesFromAvailableControllers(profileArray, xrInput, scene);
        }
    }
    /**
     * Register a new controller based on its profile. This function will be called by the controller classes themselves.
     *
     * If you are missing a profile, make sure it is imported in your source, otherwise it will not register.
     *
     * @param type the profile type to register
     * @param constructFunction the function to be called when loading this profile
     */
    static RegisterController(type, constructFunction) {
        this._AvailableControllers[type] = constructFunction;
    }
    /**
     * Register a fallback to a specific profile.
     * @param profileId the profileId that will receive the fallbacks
     * @param fallbacks A list of fallback profiles
     */
    static RegisterFallbacksForProfileId(profileId, fallbacks) {
        if (this._Fallbacks[profileId]) {
            this._Fallbacks[profileId].push(...fallbacks);
        }
        else {
            this._Fallbacks[profileId] = fallbacks;
        }
    }
    /**
     * Will update the list of profiles available in the repository
     * @returns a promise that resolves to a map of profiles available online
     */
    static UpdateProfilesList() {
        this._ProfilesList = Tools.LoadFileAsync(this.BaseRepositoryUrl + "/profiles/profilesList.json", false).then((data) => {
            return JSON.parse(data);
        });
        return this._ProfilesList;
    }
    /**
     * Clear the controller's cache (usually happens at the end of a session)
     */
    static ClearControllerCache() {
        controllerCache.forEach((cacheItem) => {
            cacheItem.meshes.forEach((mesh) => {
                mesh.dispose(false, true);
            });
        });
        controllerCache.length = 0;
    }
    static _LoadProfileFromRepository(profileArray, xrInput, scene) {
        return Promise.resolve()
            .then(() => {
            if (!this._ProfilesList) {
                return this.UpdateProfilesList();
            }
            else {
                return this._ProfilesList;
            }
        })
            .then((profilesList) => {
            // load the right profile
            for (let i = 0; i < profileArray.length; ++i) {
                // defensive
                if (!profileArray[i]) {
                    continue;
                }
                if (profilesList[profileArray[i]]) {
                    return profileArray[i];
                }
            }
            throw new Error(`neither controller ${profileArray[0]} nor all fallbacks were found in the repository,`);
        })
            .then((profileToLoad) => {
            // load the profile
            if (!this._ProfileLoadingPromises[profileToLoad]) {
                this._ProfileLoadingPromises[profileToLoad] = Tools.LoadFileAsync(`${this.BaseRepositoryUrl}/profiles/${profileToLoad}/profile.json`, false).then((data) => JSON.parse(data));
            }
            return this._ProfileLoadingPromises[profileToLoad];
        })
            .then((profile) => {
            return new WebXRProfiledMotionController(scene, xrInput, profile, this.BaseRepositoryUrl, this.DisableControllerCache ? undefined : controllerCache);
        });
    }
    static _LoadProfilesFromAvailableControllers(profileArray, xrInput, scene) {
        // check fallbacks
        for (let i = 0; i < profileArray.length; ++i) {
            // defensive
            if (!profileArray[i]) {
                continue;
            }
            const fallbacks = this.FindFallbackWithProfileId(profileArray[i]);
            for (let j = 0; j < fallbacks.length; ++j) {
                const constructionFunction = this._AvailableControllers[fallbacks[j]];
                if (constructionFunction) {
                    return Promise.resolve(constructionFunction(xrInput, scene));
                }
            }
        }
        throw new Error(`no controller requested was found in the available controllers list`);
    }
}
WebXRMotionControllerManager._AvailableControllers = {};
WebXRMotionControllerManager._Fallbacks = {};
// cache for loading
WebXRMotionControllerManager._ProfileLoadingPromises = {};
/**
 * The base URL of the online controller repository. Can be changed at any time.
 */
WebXRMotionControllerManager.BaseRepositoryUrl = "https://immersive-web.github.io/webxr-input-profiles/packages/viewer/dist";
/**
 * Which repository gets priority - local or online
 */
WebXRMotionControllerManager.PrioritizeOnlineRepository = true;
/**
 * Use the online repository, or use only locally-defined controllers
 */
WebXRMotionControllerManager.UseOnlineRepository = true;
/**
 * Disable the controller cache and load the models each time a new WebXRProfileMotionController is loaded.
 * Defaults to true.
 */
WebXRMotionControllerManager.DisableControllerCache = true;
// register the generic profile(s) here so we will at least have them
WebXRMotionControllerManager.RegisterController(WebXRGenericTriggerMotionController.ProfileId, (xrInput, scene) => {
    return new WebXRGenericTriggerMotionController(scene, xrInput.gamepad, xrInput.handedness);
});
// register fallbacks
WebXRMotionControllerManager.DefaultFallbacks();
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