import express from "express";
import cors from "cors";
import ky from "ky";

const app = express();
const PORT = 3000;

app.use(cors());
app.use(express.json());

app.get("/regions", async (req, res) => {
  let regions = [];

  const result = await ky
    .get(
      "https://xn--80az8a.xn--d1aqf.xn--p1ai/аналитика/квартирография/api/dictionaries/regions"
    )
    .json();

  regions = result
    .map((item) => item.regions)
    .flat()
    .sort((a, b) => (a.name > b.name ? 1 : -1));

  res.send(regions);
});

app.get("/region/:id", async (req, res) => {
  try {
    const result = await ky
      .get(
        `https://xn--80az8a.xn--d1aqf.xn--p1ai/аналитика/квартирография/api/dashboard/by-room-count?regions=${req.params.id}`
      )
      .json();

    const result2 = await ky
      .get(
        `https://xn--80az8a.xn--d1aqf.xn--p1ai/аналитика/api/rpp/?regionCode=${req.params.id}&repMonth=3&repYear=2023`
      )
      .json();

    const { totalArea, flatCount } = result;
    const averageApartmentArea = Math.round(totalArea / flatCount);
    const { priceAvg } = result2.data.total[0];

    res.send({ averageApartmentArea, priceAvg });
  } catch (error) {
    res.send({ error: 1 });
  }
});

app.listen(PORT, () => {
  console.log(`Server is started on port ${PORT}...`);
});