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/*

This script will create a sheet with sheetName into your Google Spreadsheet
configured from the Easy Logger App

You must have this App configured and Running

Script developed by Bjørn-Willy Arntzen bwa@bwa.no

version : 0304.01.2023.1

*/

const startRow = 5; // the first row for real data in the sheet, should be at least 5
const sheetName = "TibberPriceInfo";

// this is the demo token, replace this with your own Tibber Api Key
const tibberApiKey = '5K4MVS-OjfWhK_4yrjOlFe1F6kJXPVf7eQYggo8ebAE';

const locale = "no-NO";



Date.prototype.addHours= function(h){
    this.setHours(this.getHours()+h);
    return this;
}


async function setCell(cellName, cellData) {


    try {
      await Homey.flow.runFlowCardAction({
        uri: 'homey:app:no.bwa.easy-logger',
        id: 'set-cell-delimited-data',
        args: {
          'cell-name': cellName,
          'delimited-data': '' + cellData
        },
      });

      console.log("setCell ", cellName, " data", cellData);
    } catch(err) {
      console.log(err);
    }
}


async function createSheet(sheetName) {


    try {
      await Homey.flow.runFlowCardAction({
        uri: 'homey:app:no.bwa.easy-logger',
        id: 'create-sheet',
        args: {
          'sheet-name': sheetName
        },
      });

    } catch(err) {
      console.log(err);
    }  
}

await createSheet(sheetName);

try {

  const query = '{ "query" \: "{ viewer { homes { currentSubscription{ priceInfo{ today { total energy tax startsAt } tomorrow { total energy tax startsAt }}}}}}" } ';
    
    const response = await fetch(
      'https://api.tibber.com/v1-beta/gql', 
      {
        method: 'POST', 
        headers: {
          'Authorization': 'Bearer ' + tibberApiKey,
          'Content-Type': 'application/json'
        },
        body: query
  });

  if(response.status !== 200) {
    throw Error("Tibber call failed. Details: ",response);
  }
    
  const body = await response.json();

  let cellHeating = sheetName + "!"+ "A" + (startRow -3);
  await setCell(cellHeating, "Todays prices"); 

  cellHeating = sheetName + "!"+ "A" + (startRow -2);
  await setCell(cellHeating, "Time for price;Energy;Total cost"); 


  for (let i = 0; i < body.data.viewer.homes[0].currentSubscription.priceInfo.today.length; i++) {
    let cell = sheetName + "!"+ "A" + (startRow + i);
    let d = new Date(body.data.viewer.homes[0].currentSubscription.priceInfo.today[i].startsAt).addHours(1);
    await setCell(cell, d.toLocaleString(locale) +  ";#" + body.data.viewer.homes[0].currentSubscription.priceInfo.today[i].energy +";#" + body.data.viewer.homes[0].currentSubscription.priceInfo.today[i].total);
  }


  cellHeating = sheetName + "!"+ "A" + (startRow -3 + 28);
  await setCell(cellHeating, "Tomorrows prices"); 

  cellHeating = sheetName + "!"+ "A" + (startRow -2 + 28);
  await setCell(cellHeating, "Time for price;Energy;Total cost"); 

  if ( body.data.viewer.homes[0].currentSubscription.priceInfo.tomorrow.length == 0 ) {
    for (let i = 0; i < 24; i++) {
      let cell = sheetName + "!"+ "A" + (startRow + i + 28);
      await setCell(cell, "- - - data is not ready until aprox 13.00 - - -;#0;#0");
    }

  }

  for (let i = 0; i < body.data.viewer.homes[0].currentSubscription.priceInfo.tomorrow.length; i++) {
    let cell = sheetName + "!"+ "A" + (startRow + i + 28);
    let d = new Date(body.data.viewer.homes[0].currentSubscription.priceInfo.tomorrow[i].startsAt).addHours(1);
    await setCell(cell, d.toLocaleString(locale) + ";#" + body.data.viewer.homes[0].currentSubscription.priceInfo.tomorrow[i].energy +  ";#" + body.data.viewer.homes[0].currentSubscription.priceInfo.tomorrow[i].total);
  }

} catch (err)  {
  console.log("Somethis bad happened");
  console.log(err)
}