import { ErrorFactory, contains, deepExtend, createSubscribe, isBrowser } from '@firebase/util';
import { Component } from '@firebase/component';
import * as modularAPIs from '@firebase/app';
import { _addComponent, deleteApp, _DEFAULT_ENTRY_NAME, _addOrOverwriteComponent, registerVersion } from '@firebase/app';
import { Logger } from '@firebase/logger';

/**
 * @license
 * Copyright 2020 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/**
 * Global context object for a collection of services using
 * a shared authentication state.
 *
 * marked as internal because it references internal types exported from @firebase/app
 * @internal
 */
class FirebaseAppImpl {
    constructor(_delegate, firebase) {
        this._delegate = _delegate;
        this.firebase = firebase;
        // add itself to container
        _addComponent(_delegate, new Component('app-compat', () => this, "PUBLIC" /* ComponentType.PUBLIC */));
        this.container = _delegate.container;
    }
    get automaticDataCollectionEnabled() {
        return this._delegate.automaticDataCollectionEnabled;
    }
    set automaticDataCollectionEnabled(val) {
        this._delegate.automaticDataCollectionEnabled = val;
    }
    get name() {
        return this._delegate.name;
    }
    get options() {
        return this._delegate.options;
    }
    delete() {
        return new Promise(resolve => {
            this._delegate.checkDestroyed();
            resolve();
        }).then(() => {
            this.firebase.INTERNAL.removeApp(this.name);
            return deleteApp(this._delegate);
        });
    }
    /**
     * Return a service instance associated with this app (creating it
     * on demand), identified by the passed instanceIdentifier.
     *
     * NOTE: Currently storage and functions are the only ones that are leveraging this
     * functionality. They invoke it by calling:
     *
     * ```javascript
     * firebase.app().storage('STORAGE BUCKET ID')
     * ```
     *
     * The service name is passed to this already
     * @internal
     */
    _getService(name, instanceIdentifier = _DEFAULT_ENTRY_NAME) {
        var _a;
        this._delegate.checkDestroyed();
        // Initialize instance if InstatiationMode is `EXPLICIT`.
        const provider = this._delegate.container.getProvider(name);
        if (!provider.isInitialized() &&
            ((_a = provider.getComponent()) === null || _a === void 0 ? void 0 : _a.instantiationMode) === "EXPLICIT" /* InstantiationMode.EXPLICIT */) {
            provider.initialize();
        }
        // getImmediate will always succeed because _getService is only called for registered components.
        return provider.getImmediate({
            identifier: instanceIdentifier
        });
    }
    /**
     * Remove a service instance from the cache, so we will create a new instance for this service
     * when people try to get it again.
     *
     * NOTE: currently only firestore uses this functionality to support firestore shutdown.
     *
     * @param name The service name
     * @param instanceIdentifier instance identifier in case multiple instances are allowed
     * @internal
     */
    _removeServiceInstance(name, instanceIdentifier = _DEFAULT_ENTRY_NAME) {
        this._delegate.container
            // eslint-disable-next-line @typescript-eslint/no-explicit-any
            .getProvider(name)
            .clearInstance(instanceIdentifier);
    }
    /**
     * @param component the component being added to this app's container
     * @internal
     */
    _addComponent(component) {
        _addComponent(this._delegate, component);
    }
    _addOrOverwriteComponent(component) {
        _addOrOverwriteComponent(this._delegate, component);
    }
    toJSON() {
        return {
            name: this.name,
            automaticDataCollectionEnabled: this.automaticDataCollectionEnabled,
            options: this.options
        };
    }
}
// TODO: investigate why the following needs to be commented out
// Prevent dead-code elimination of these methods w/o invalid property
// copying.
// (FirebaseAppImpl.prototype.name && FirebaseAppImpl.prototype.options) ||
//   FirebaseAppImpl.prototype.delete ||
//   console.log('dc');

/**
 * @license
 * Copyright 2019 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
const ERRORS = {
    ["no-app" /* AppError.NO_APP */]: "No Firebase App '{$appName}' has been created - " +
        'call Firebase App.initializeApp()',
    ["invalid-app-argument" /* AppError.INVALID_APP_ARGUMENT */]: 'firebase.{$appName}() takes either no argument or a ' +
        'Firebase App instance.'
};
const ERROR_FACTORY = new ErrorFactory('app-compat', 'Firebase', ERRORS);

/**
 * @license
 * Copyright 2019 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/**
 * Because auth can't share code with other components, we attach the utility functions
 * in an internal namespace to share code.
 * This function return a firebase namespace object without
 * any utility functions, so it can be shared between the regular firebaseNamespace and
 * the lite version.
 */
function createFirebaseNamespaceCore(firebaseAppImpl) {
    const apps = {};
    // // eslint-disable-next-line @typescript-eslint/no-explicit-any
    // const components = new Map<string, Component<any>>();
    // A namespace is a plain JavaScript Object.
    const namespace = {
        // Hack to prevent Babel from modifying the object returned
        // as the firebase namespace.
        // @ts-ignore
        __esModule: true,
        initializeApp: initializeAppCompat,
        // @ts-ignore
        app,
        registerVersion: modularAPIs.registerVersion,
        setLogLevel: modularAPIs.setLogLevel,
        onLog: modularAPIs.onLog,
        // @ts-ignore
        apps: null,
        SDK_VERSION: modularAPIs.SDK_VERSION,
        INTERNAL: {
            registerComponent: registerComponentCompat,
            removeApp,
            useAsService,
            modularAPIs
        }
    };
    // Inject a circular default export to allow Babel users who were previously
    // using:
    //
    //   import firebase from 'firebase';
    //   which becomes: var firebase = require('firebase').default;
    //
    // instead of
    //
    //   import * as firebase from 'firebase';
    //   which becomes: var firebase = require('firebase');
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    namespace['default'] = namespace;
    // firebase.apps is a read-only getter.
    Object.defineProperty(namespace, 'apps', {
        get: getApps
    });
    /**
     * Called by App.delete() - but before any services associated with the App
     * are deleted.
     */
    function removeApp(name) {
        delete apps[name];
    }
    /**
     * Get the App object for a given name (or DEFAULT).
     */
    function app(name) {
        name = name || modularAPIs._DEFAULT_ENTRY_NAME;
        if (!contains(apps, name)) {
            throw ERROR_FACTORY.create("no-app" /* AppError.NO_APP */, { appName: name });
        }
        return apps[name];
    }
    // @ts-ignore
    app['App'] = firebaseAppImpl;
    /**
     * Create a new App instance (name must be unique).
     *
     * This function is idempotent. It can be called more than once and return the same instance using the same options and config.
     */
    function initializeAppCompat(options, rawConfig = {}) {
        const app = modularAPIs.initializeApp(options, rawConfig);
        if (contains(apps, app.name)) {
            return apps[app.name];
        }
        const appCompat = new firebaseAppImpl(app, namespace);
        apps[app.name] = appCompat;
        return appCompat;
    }
    /*
     * Return an array of all the non-deleted FirebaseApps.
     */
    function getApps() {
        // Make a copy so caller cannot mutate the apps list.
        return Object.keys(apps).map(name => apps[name]);
    }
    function registerComponentCompat(component) {
        const componentName = component.name;
        const componentNameWithoutCompat = componentName.replace('-compat', '');
        if (modularAPIs._registerComponent(component) &&
            component.type === "PUBLIC" /* ComponentType.PUBLIC */) {
            // create service namespace for public components
            // The Service namespace is an accessor function ...
            const serviceNamespace = (appArg = app()) => {
                // eslint-disable-next-line @typescript-eslint/no-explicit-any
                if (typeof appArg[componentNameWithoutCompat] !== 'function') {
                    // Invalid argument.
                    // This happens in the following case: firebase.storage('gs:/')
                    throw ERROR_FACTORY.create("invalid-app-argument" /* AppError.INVALID_APP_ARGUMENT */, {
                        appName: componentName
                    });
                }
                // Forward service instance lookup to the FirebaseApp.
                // eslint-disable-next-line @typescript-eslint/no-explicit-any
                return appArg[componentNameWithoutCompat]();
            };
            // ... and a container for service-level properties.
            if (component.serviceProps !== undefined) {
                deepExtend(serviceNamespace, component.serviceProps);
            }
            // eslint-disable-next-line @typescript-eslint/no-explicit-any
            namespace[componentNameWithoutCompat] = serviceNamespace;
            // Patch the FirebaseAppImpl prototype
            // eslint-disable-next-line @typescript-eslint/no-explicit-any
            firebaseAppImpl.prototype[componentNameWithoutCompat] =
                // TODO: The eslint disable can be removed and the 'ignoreRestArgs'
                // option added to the no-explicit-any rule when ESlint releases it.
                // eslint-disable-next-line @typescript-eslint/no-explicit-any
                function (...args) {
                    const serviceFxn = this._getService.bind(this, componentName);
                    return serviceFxn.apply(this, component.multipleInstances ? args : []);
                };
        }
        return component.type === "PUBLIC" /* ComponentType.PUBLIC */
            ? // eslint-disable-next-line @typescript-eslint/no-explicit-any
                namespace[componentNameWithoutCompat]
            : null;
    }
    // Map the requested service to a registered service name
    // (used to map auth to serverAuth service when needed).
    function useAsService(app, name) {
        if (name === 'serverAuth') {
            return null;
        }
        const useService = name;
        return useService;
    }
    return namespace;
}

/**
 * @license
 * Copyright 2019 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/**
 * Return a firebase namespace object.
 *
 * In production, this will be called exactly once and the result
 * assigned to the 'firebase' global.  It may be called multiple times
 * in unit tests.
 */
function createFirebaseNamespace() {
    const namespace = createFirebaseNamespaceCore(FirebaseAppImpl);
    namespace.INTERNAL = Object.assign(Object.assign({}, namespace.INTERNAL), { createFirebaseNamespace,
        extendNamespace,
        createSubscribe,
        ErrorFactory,
        deepExtend });
    /**
     * Patch the top-level firebase namespace with additional properties.
     *
     * firebase.INTERNAL.extendNamespace()
     */
    function extendNamespace(props) {
        deepExtend(namespace, props);
    }
    return namespace;
}
const firebase$1 = createFirebaseNamespace();

/**
 * @license
 * Copyright 2019 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
const logger = new Logger('@firebase/app-compat');

const name = "@firebase/app-compat";
const version = "0.2.1";

/**
 * @license
 * Copyright 2019 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
function registerCoreComponents(variant) {
    // Register `app` package.
    registerVersion(name, version, variant);
}

/**
 * @license
 * Copyright 2020 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
// Firebase Lite detection
// eslint-disable-next-line @typescript-eslint/no-explicit-any
if (isBrowser() && self.firebase !== undefined) {
    logger.warn(`
    Warning: Firebase is already defined in the global scope. Please make sure
    Firebase library is only loaded once.
  `);
    // eslint-disable-next-line
    const sdkVersion = self.firebase.SDK_VERSION;
    if (sdkVersion && sdkVersion.indexOf('LITE') >= 0) {
        logger.warn(`
    Warning: You are trying to load Firebase while using Firebase Performance standalone script.
    You should load Firebase Performance with this instance of Firebase to avoid loading duplicate code.
    `);
    }
}
const firebase = firebase$1;
registerCoreComponents();

export { firebase as default };
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