var linebot = require('linebot');

var bot = linebot({
  channelId: CHANNEL_ID,
  channelSecret: CHANNEL_SECRET,
  channelAccessToken: CHANNEL_ACCESS_TOKEN
});

bot.on('message', function (event) {
  event.reply(event.message.text).then(function (data) {
    // success
  }).catch(function (error) {
    // error
  });
});

bot.listen('/linewebhook', 3000);

const app = express();
const linebotParser = bot.parser();
app.post('/linewebhook', linebotParser);
app.listen(3000);

var bot = linebot({
  channelId: CHANNEL_ID,
  channelSecret: CHANNEL_SECRET,
  channelAccessToken: CHANNEL_ACCESS_TOKEN,
  verify: true // Verify 'X-Line-Signature' header (default=true)
});

bot.on('message',      function (event) { });
bot.on('follow',       function (event) { });
bot.on('unfollow',     function (event) { });
bot.on('join',         function (event) { });
bot.on('leave',        function (event) { });
bot.on('memberJoined', function (event) { });
bot.on('memberLeft',   function (event) { });
bot.on('postback',     function (event) { });
bot.on('beacon',       function (event) { });

// reply text message
event.reply('Hello, world').then(function (data) {
  // success
}).catch(function (error) {
  // error
});

// reply multiple text messages
event.reply(['Hello, world 1', 'Hello, world 2']);

// reply message object
event.reply({ type: 'text', text: 'Hello, world' });

// reply multiple message object
event.reply([
  { type: 'text', text: 'Hello, world 1' },
  { type: 'text', text: 'Hello, world 2' }
]);

event.reply({
  type: 'image',
  originalContentUrl: 'https://example.com/original.jpg',
  previewImageUrl: 'https://example.com/preview.jpg'
});

event.reply({
  type: 'video',
  originalContentUrl: 'https://example.com/original.mp4',
  previewImageUrl: 'https://example.com/preview.jpg'
});

event.reply({
  type: 'audio',
  originalContentUrl: 'https://example.com/original.m4a',
  duration: 240000
});

event.reply({
  type: 'location',
  title: 'my location',
  address: '〒150-0002 東京都渋谷区渋谷２丁目２１−１',
  latitude: 35.65910807942215,
  longitude: 139.70372892916203
});

event.reply({
  type: 'sticker',
  packageId: '1',
  stickerId: '1'
});

event.reply({
  type: 'imagemap',
  baseUrl: 'https://example.com/bot/images/rm001',
  altText: 'this is an imagemap',
  baseSize: { height: 1040, width: 1040 },
  actions: [{
    type: 'uri',
    linkUri: 'https://example.com/',
    area: { x: 0, y: 0, width: 520, height: 1040 }
  }, {
    type: 'message',
    text: 'hello',
    area: { x: 520, y: 0, width: 520, height: 1040 }
  }]
});

event.reply({
  type: 'template',
  altText: 'this is a buttons template',
  template: {
    type: 'buttons',
    thumbnailImageUrl: 'https://example.com/bot/images/image.jpg',
    title: 'Menu',
    text: 'Please select',
    actions: [{
      type: 'postback',
      label: 'Buy',
      data: 'action=buy&itemid=123'
    }, {
      type: 'postback',
      label: 'Add to cart',
      data: 'action=add&itemid=123'
    }, {
      type: 'uri',
      label: 'View detail',
      uri: 'http://example.com/page/123'
    }]
  }
});

event.reply({
  type: 'template',
  altText: 'this is a confirm template',
  template: {
    type: 'confirm',
    text: 'Are you sure?',
    actions: [{
      type: 'message',
      label: 'Yes',
      text: 'yes'
    }, {
      type: 'message',
      label: 'No',
      text: 'no'
    }]
  }
});

event.reply({
  type: 'template',
  altText: 'this is a carousel template',
  template: {
    type: 'carousel',
    columns: [{
      thumbnailImageUrl: 'https://example.com/bot/images/item1.jpg',
      title: 'this is menu',
      text: 'description',
      actions: [{
        type: 'postback',
        label: 'Buy',
        data: 'action=buy&itemid=111'
      }, {
        type: 'postback',
        label: 'Add to cart',
        data: 'action=add&itemid=111'
      }, {
        type: 'uri',
        label: 'View detail',
        uri: 'http://example.com/page/111'
      }]
    }, {
      thumbnailImageUrl: 'https://example.com/bot/images/item2.jpg',
      title: 'this is menu',
      text: 'description',
      actions: [{
        type: 'postback',
        label: 'Buy',
        data: 'action=buy&itemid=222'
      }, {
        type: 'postback',
        label: 'Add to cart',
        data: 'action=add&itemid=222'
      }, {
        type: 'uri',
        label: 'View detail',
        uri: 'http://example.com/page/222'
      }]
    }]
  }
});

event.source.profile().then(function (profile) {
  event.reply('Hello ' + profile.displayName);
});

event.source.member().then(function (member) {
  console.log(member.memberIds);
});

event.message.content().then(function (content) {
  console.log(content.toString('base64'));
});