/*
Copyright 2024 New Vector Ltd.
Copyright 2022 The Matrix.org Foundation C.I.C.

SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/

import { RuntimeModule } from "@matrix-org/react-sdk-module-api/lib/RuntimeModule";
import { ModuleApi } from "@matrix-org/react-sdk-module-api/lib/ModuleApi";
import { AllExtensions } from "@matrix-org/react-sdk-module-api/lib/types/extensions";
import { ProvideCryptoSetupExtensions } from "@matrix-org/react-sdk-module-api/lib/lifecycles/CryptoSetupExtensions";
import { ProvideExperimentalExtensions } from "@matrix-org/react-sdk-module-api/lib/lifecycles/ExperimentalExtensions";

import { ModuleRunner } from "../../src/modules/ModuleRunner";

export class MockModule extends RuntimeModule {
    public get apiInstance(): ModuleApi {
        return this.moduleApi;
    }

    public constructor(moduleApi: ModuleApi) {
        super(moduleApi);
    }
}

/**
 * Register a mock module
 *
 * @returns The registered module.
 */
export function registerMockModule(): MockModule {
    let module: MockModule | undefined;
    ModuleRunner.instance.registerModule((api) => {
        if (module) {
            throw new Error("State machine error: ModuleRunner created the module twice");
        }
        module = new MockModule(api);
        return module;
    });
    if (!module) {
        throw new Error("State machine error: ModuleRunner did not create module");
    }
    return module;
}

class MockModuleWithCryptoSetupExtension extends RuntimeModule {
    public get apiInstance(): ModuleApi {
        return this.moduleApi;
    }

    moduleName: string = MockModuleWithCryptoSetupExtension.name;

    extensions: AllExtensions = {
        cryptoSetup: {
            SHOW_ENCRYPTION_SETUP_UI: true,
            examineLoginResponse: jest.fn(),
            persistCredentials: jest.fn(),
            getSecretStorageKey: jest.fn().mockReturnValue(Uint8Array.from([0x11, 0x22, 0x99])),
            createSecretStorageKey: jest.fn(),
            catchAccessSecretStorageError: jest.fn(),
            setupEncryptionNeeded: jest.fn(),
            getDehydrationKeyCallback: jest.fn(),
        } as ProvideCryptoSetupExtensions,
    };

    public constructor(moduleApi: ModuleApi) {
        super(moduleApi);
    }
}

class MockModuleWithExperimentalExtension extends RuntimeModule {
    public get apiInstance(): ModuleApi {
        return this.moduleApi;
    }

    moduleName: string = MockModuleWithExperimentalExtension.name;

    extensions: AllExtensions = {
        experimental: {
            experimentalMethod: jest.fn().mockReturnValue(Uint8Array.from([0x22, 0x44, 0x88])),
        } as ProvideExperimentalExtensions,
    };

    public constructor(moduleApi: ModuleApi) {
        super(moduleApi);
    }
}

/**
 * Register a mock module which implements the cryptoSetup extension.
 *
 * @returns The registered module.
 */
export function registerMockModuleWithCryptoSetupExtension(): MockModuleWithCryptoSetupExtension {
    let module: MockModuleWithCryptoSetupExtension | undefined;

    ModuleRunner.instance.registerModule((api) => {
        if (module) {
            throw new Error("State machine error: ModuleRunner created the module twice");
        }
        module = new MockModuleWithCryptoSetupExtension(api);
        return module;
    });
    if (!module) {
        throw new Error("State machine error: ModuleRunner did not create module");
    }
    return module;
}

/**
 * Register a mock module which implements the experimental extension.
 *
 * @returns The registered module.
 */
export function registerMockModuleWithExperimentalExtension(): MockModuleWithExperimentalExtension {
    let module: MockModuleWithExperimentalExtension | undefined;

    ModuleRunner.instance.registerModule((api) => {
        if (module) {
            throw new Error("State machine error: ModuleRunner created the module twice");
        }
        module = new MockModuleWithExperimentalExtension(api);
        return module;
    });
    if (!module) {
        throw new Error("State machine error: ModuleRunner did not create module");
    }
    return module;
}