import { google } from 'googleapis';
import { NextResponse } from 'next/server';

export async function GET() {
    const target = ['https://www.googleapis.com/auth/spreadsheets.readonly'];
    const jwt = new google.auth.JWT(
      process.env.API_EMAIL,
      undefined,
      (process.env.API_KEY || '').replace(/\\n/g, '\n'),
      target
    );

    const sheets = google.sheets({version: 'v4', auth: jwt});
    const response = await sheets.spreadsheets.values.get({
      spreadsheetId: process.env.SPREADSHEET_ID,
      range: 'Overview',
    });

    const rows = response.data.values;
    if (rows?.length) {
      let sheetData: Array<Array<number>> = new Array<Array<number>>;
      for (let i = 3; i < 17; i++) {
        let tempArray = new Array<number>;
        tempArray.push(rows[i][1]);
        tempArray.push(rows[i][2]);
        sheetData.push(tempArray);
      }
      console.log("New Google Data loaded " + Intl.DateTimeFormat('en-UK', {hour: 'numeric', minute: 'numeric', hour12: false}).format(Date.now()));
      return NextResponse.json({ sheetData });
    }
    else {
      return NextResponse.json({ status: 500 })
    }
}