// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.

import * as restify from 'restify';

// Import required bot services.
// See https://aka.ms/bot-services to learn more about the different parts of a bot.
import { BotFrameworkAdapter } from 'botbuilder';

// This bot's main dialog.
import { MessageExtensionBot } from './messageExtensionBot';

// Create HTTP server.
const server = restify.createServer();
server.listen(process.env.port || process.env.PORT || 3978, () => {
    console.log(`\n${server.name} listening to ${server.url}`);
    console.log('\nGet Bot Framework Emulator: https://aka.ms/botframework-emulator');
    console.log('\nTo talk to your bot, open the emulator select "Open Bot"');
});

// Create adapter.
// See https://aka.ms/about-bot-adapter to learn more about adapters.
const adapter = new BotFrameworkAdapter({
    appId: process.env.BOT_ID,
    appPassword: process.env.BOT_PASSWORD
});

// Catch-all for errors.
const onTurnErrorHandler = async (context, error) => {
    // This check writes out errors to console log .vs. app insights.
    // NOTE: In production environment, you should consider logging this to Azure
    //       application insights.
    console.error(`\n [onTurnError] unhandled error: ${error}`);

    // Send a trace activity, which will be displayed in Bot Framework Emulator
    await context.sendTraceActivity(
        'OnTurnError Trace',
        `${error}`,
        'https://www.botframework.com/schemas/error',
        'TurnError'
    );

    // Send a message to the user
    await context.sendActivity('The bot encountered an error or bug.');
    await context.sendActivity('To continue to run this bot, please fix the bot source code.');
};

// Set the onTurnError for the singleton BotFrameworkAdapter.
adapter.onTurnError = onTurnErrorHandler;

// Create the main dialog.
const messageExtensionBot = new MessageExtensionBot();

// Listen for incoming requests.
server.post('/api/messages', (req, res) => {
    adapter.processActivity(req, res, async (context) => {
        // Route to main dialog.
        await messageExtensionBot.run(context);
    });
});