const https = require("https");
const express = require("express");
const app = express();
const PORT = process.env.PORT || 3000;
const axios = require("axios").default;
const TOKEN =
  "NYy1k9OM7e/T7PgabnjafdqcxbRc58m7/K4A3kuNCVkoPxhBoZ/Jvg9gaarsqySG2BtvsoQcVgE4yulPaT1WJ7qTUyBaqegae+r8uh0oWrZO93zXIUILn3bOGUFtLmVFcTuBfRKgFHCaJhi1+wFQ6QdB04t89/1O/w1cDnyilFU=";

app.use(express.json());
app.use(
  express.urlencoded({
    extended: true,
  })
);

const flexMsg = require("./flexMsg");

app.get("/", (req, res) => {
  res.sendStatus(200);
});

app.post("/Rewebhook", async (req, res) => {
  console.log("Rewebhook ::", req.body);

  res.json({ OK: req.body });

  if (!Array.isArray(req.body.events)) {
    return res.status(500).end();
  }

  Promise.all(
    req.body.events.map((event) => {
      console.log("event", event);
      // check verify webhook event
      if (
        event.replyToken === "00000000000000000000000000000000" ||
        event.replyToken === "ffffffffffffffffffffffffffffffff"
      ) {
        return;
      }
      return handleEvent(event, req.body);
    })
  )
    .then(() => res.end())
    .catch((err) => {
      console.error(err);
      res.status(500).end();
    });
});

const handleEvent = async (event, body) => {
  const { Channel_access_token } = body;
  const { replyToken } = event;
  const _headers = {
    Authorization: "Bearer " + Channel_access_token,
    "Content-Type": "application/json",
  };
  const messages = [
    {
      type: "text",
      text: "Hello, user",
    },
    {
      type: "text",
      text: "May I help you?",
    },
  ];

  let template_text = null;

  if (event.message.type == "text") {
    let selecttext = tolow(event.message.text);
    let get_text = mockText()[selecttext];
    if (get_text) {
      template_text = get_text;
    }
  } else {
    template_text.text = "Other Message =>>>" + JSON.stringify(event);
  }

  console.log("template_text", template_text);

  let URL = "https://api.line.me/v2/bot/message/reply";
  let payload = {
    replyToken: replyToken,
    messages: template_text ? [template_text] : messages,
  };
  console.log("payload ::", payload);
  try {
    let res = await axios.post(URL, payload, {
      headers: _headers,
    });
    console.log("res ::", res.data);
  } catch (e) {
    console.log("Error Reply::", e);
  }
};

const tolow = (str) => {
  return str.toLowerCase();
};

app.post("/webhook", function (req, res) {
  res.send("HTTP POST request sent to the webhook URL!");
  // If the user sends a message to your bot, send a reply message
  console.log("req.body.events ::", req.body.events);

  if (req.body.events[0].type === "message") {
    // Message data, must be stringified
    const dataString = JSON.stringify({
      replyToken: req.body.events[0].replyToken,
      messages: [
        {
          type: "text",
          text: "Hello, user",
        },
        {
          type: "text",
          text: "May I help you?",
        },
      ],
    });

    // Request header
    const headers = {
      "Content-Type": "application/json",
      Authorization: "Bearer " + TOKEN,
    };

    // Options to pass into the request
    const webhookOptions = {
      hostname: "api.line.me",
      path: "/v2/bot/message/reply",
      method: "POST",
      headers: headers,
      body: dataString,
    };

    // Define request
    const request = https.request(webhookOptions, (res) => {
      res.on("data", (d) => {
        process.stdout.write(d);
      });
    });

    // Handle error
    request.on("error", (err) => {
      console.error(err);
    });

    // Send data
    request.write(dataString);
    request.end();
  }
});

app.listen(PORT, () => {
  console.log(`Example app listening at http://localhost:${PORT}`);
});

const flexs = flexMsg.flexs;

const mockText = () => {
  return {
    flex0: flexs.flex0,
    flex1: flexs.flex1,

    bub1: flexs.bub1,
    bub2: flexs.bub2,
    bub3: flexs.bub3,
    bub4: flexs.bub4,
    bub5: flexs.bub5,
    bub6: flexs.bub6,
    confirm: {
      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",
          },
        ],
      },
    },
    location: {
      type: "text", // ①
      text: "Select your favorite food category or send me your location!",
      quickReply: {
        // ②
        items: [
          {
            type: "action", // ③
            imageUrl: "https://example.com/sushi.png",
            action: {
              type: "message",
              label: "Sushi",
              text: "Sushi",
            },
          },
          {
            type: "action",
            imageUrl: "https://example.com/tempura.png",
            action: {
              type: "message",
              label: "Tempura",
              text: "Tempura",
            },
          },
          {
            type: "action", // ④
            action: {
              type: "location",
              label: "Send location",
            },
          },
        ],
      },
    },

    image_carousel: {
      type: "template",
      altText: "this is a image carousel template",
      template: {
        type: "image_carousel",
        columns: [
          {
            imageUrl:
              "https://image.sistacafe.com/images/uploads/summary/image/26097/cat-200313-020.jpg",
            action: {
              type: "postback",
              label: "Buy",
              data: "action=buy&itemid=111",
            },
          },
          {
            imageUrl:
              "https://image.sistacafe.com/images/uploads/summary/image/26097/cat-200313-020.jpg",
            action: {
              type: "message",
              label: "Yes",
              text: "yes",
            },
          },
          {
            imageUrl:
              "https://image.sistacafe.com/images/uploads/summary/image/26097/cat-200313-020.jpg",
            action: {
              type: "uri",
              label: "View detail",
              uri: "http://example.com/page/222",
            },
          },
        ],
      },
    },
  };
};