// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for details.

import * as vscode from "vscode";
import * as nls from "vscode-nls";
import WebSocket = require("ws");
import { AppLauncher } from "../../appLauncher";
import {
    IAndroidRunOptions,
    IIOSRunOptions,
    ImacOSRunOptions,
    IWindowsRunOptions,
    PlatformType,
} from "../../launchArgs";
import { OutputChannelLogger } from "../../log/OutputChannelLogger";
import { SettingsHelper } from "../../settingsHelper";
import { TargetType } from "../../generalPlatform";
import { CommandExecutor } from "../../../common/commandExecutor";
import { ProjectsStorage } from "../../projectsStorage";
import { ErrorHelper } from "../../../common/error/errorHelper";
import { InternalErrorCode } from "../../../common/error/internalErrorCode";

nls.config({
    messageFormat: nls.MessageFormat.bundle,
    bundleFormat: nls.BundleFormat.standalone,
})();
const localize = nls.loadMessageBundle();

type IPlatformRunOptions =
    | IAndroidRunOptions
    | IIOSRunOptions
    | IWindowsRunOptions
    | ImacOSRunOptions;

export function getRunOptions(
    project: AppLauncher,
    platform: PlatformType,
    target: TargetType = TargetType.Simulator,
): IPlatformRunOptions {
    const folderUri = project.getWorkspaceFolderUri();

    const runOptions: IPlatformRunOptions = {
        platform,
        packagerPort: SettingsHelper.getPackagerPort(folderUri.fsPath),
        runArguments: SettingsHelper.getRunArgs(platform, target, folderUri),
        env: SettingsHelper.getEnvArgs(platform, target, folderUri),
        envFile: SettingsHelper.getEnvFile(platform, target, folderUri),
        projectRoot: SettingsHelper.getReactNativeProjectRoot(folderUri.fsPath),
        nodeModulesRoot: project.getOrUpdateNodeModulesRoot(),
        reactNativeVersions: project.getReactNativeVersions() || {
            reactNativeVersion: "",
            reactNativeWindowsVersion: "",
            reactNativeMacOSVersion: "",
        },
        workspaceRoot: project.getWorkspaceFolderUri().fsPath,
        ...(platform === PlatformType.iOS && target === "device" && { target: "device" }),
    };

    CommandExecutor.ReactNativeCommand = SettingsHelper.getReactNativeGlobalCommandName(
        project.getWorkspaceFolderUri(),
    );

    return runOptions;
}

export async function loginToExponent(project: AppLauncher): Promise<xdl.IUser> {
    try {
        return await project.getExponentHelper().loginToExponent(
            (message, password) =>
                new Promise<string | undefined>((res, rej) => {
                    vscode.window.showInputBox({ placeHolder: message, password }).then(res, rej);
                }).then(it => it || ""),
            message =>
                new Promise<string | undefined>((res, rej) => {
                    vscode.window.showInformationMessage(message).then(res, rej);
                }).then(it => it || ""),
        );
    } catch (err) {
        OutputChannelLogger.getMainChannel().warning(
            localize(
                "ExpoErrorOccuredMakeSureYouAreLoggedIn",
                "An error has occurred. Please make sure you are logged in to Expo, your project is setup correctly for publishing and your packager is running as Expo.",
            ),
        );
        throw err;
    }
}

export async function selectProject(): Promise<AppLauncher> {
    const logger = OutputChannelLogger.getMainChannel();
    const projectKeys = Object.keys(ProjectsStorage.projectsCache);

    if (projectKeys.length === 0) {
        throw ErrorHelper.getInternalError(
            InternalErrorCode.WorkspaceNotFound,
            "Current workspace does not contain React Native projects.",
        );
    }

    if (projectKeys.length === 1) {
        logger.debug(`Command palette: once project ${projectKeys[0]}`);
        return ProjectsStorage.projectsCache[projectKeys[0]];
    }

    const selected = await vscode.window.showQuickPick(projectKeys);

    if (!selected) {
        throw ErrorHelper.getInternalError(InternalErrorCode.UserInputCanceled);
    }

    logger.debug(`Command palette: selected project ${selected}`);
    return ProjectsStorage.projectsCache[selected];
}

export async function sendMessageToMetro(method: "devMenu" | "reload", project: AppLauncher) {
    const port = SettingsHelper.getPackagerPort(project.getWorkspaceFolderUri().fsPath);
    const ws = new WebSocket(`ws://localhost:${port}/message`);
    await new Promise(resolve => {
        ws.addEventListener("open", resolve);
    });
    ws.send(
        JSON.stringify({
            version: 2,
            method,
        }),
    );
    ws.close();
}