/* Imports */
import fs from "fs"
import { databaseReadWithReadCredentials } from "../database-wrapper.js"

/* Definitions */

/* Utilities */

/* Support functions */
let getQualityIndicators = forecast => Object.entries(forecast.qualityindicators).map(entry => `${entry[0]}: ${entry[1]}`).join("; ")

let shuffleArray = (array) => {
	// See: https://stackoverflow.com/questions/2450954/how-to-randomize-shuffle-a-javascript-array
	for (let i = array.length - 1; i > 0; i--) {
			const j = Math.floor(Math.random() * (i + 1));
			[array[i], array[j]] = [array[j], array[i]];
	}
	return array
}

/* Body */

let main = async () => {
  let highQualityPlatforms = [ 'Metaculus' ] // ['CSET-foretell', 'Foretold', 'Good Judgment Open', 'Metaculus', 'PredictIt', 'Rootclaim']
  let json = await databaseReadWithReadCredentials("metaforecasts")
  console.log(json.length)
  //let uniquePlatforms = [...new Set(json.map(forecast => forecast.platform))]
  //console.log(uniquePlatforms)
  
  let forecastsFromGoodPlatforms = json.filter(forecast => highQualityPlatforms.includes(forecast.platform))
	let forecastsFromGoodPlatformsShuffled = shuffleArray(forecastsFromGoodPlatforms)
  let tsv = "index\ttitle\turl\tqualityindicators\n"+forecastsFromGoodPlatforms
    .map((forecast, index) => {
      let row = `${index}\t${forecast.title}\t${forecast.url}\t${getQualityIndicators(forecast)}`
      console.log(row)
      return row
    })
    .join("\n")
  //console.log(tsv)

  // let string = JSON.stringify(json, null, 2)
  fs.writeFileSync('metaforecasts_metaculus_v2.tsv', tsv);
}
main()