/* Imports */
import axios from "axios"
import fs from "fs"
import { calculateStars } from "./stars.js"

/* Definitions */
let endpointPolitics = `https://ss-aka-ori.ladbrokes.com/openbet-ssviewer/Drilldown/2.31/EventToOutcomeForClass/302,301,300?simpleFilter=event.siteChannels:contains:M&simpleFilter=event.eventSortCode:intersects:TNMT,TR01,TR02,TR03,TR04,TR05,TR06,TR07,TR08,TR09,TR10,TR11,TR12,TR13,TR14,TR15,TR16,TR17,TR18,TR19,TR20&simpleFilter=event.suspendAtTime:greaterThan:${new Date().toISOString()}.000Z&limitRecords=outcome:1&limitRecords=market:1&translationLang=en&responseFormat=json&prune=event&prune=market`
let enpointDrillDown = (id) => `https://ss-aka-ori.ladbrokes.com/openbet-ssviewer/Drilldown/2.31/EventToOutcomeForEvent/${id}?&translationLang=en&responseFormat=json`

// <header class="header-dropdown header-dropdown--large -expanded" data-id="

/* Support functions */
async function fetchUrl(url){
  let response = await axios(url, {
    "credentials": "include",
    "headers": {
        "User-Agent": "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:86.0) Gecko/20100101 Firefox/86.0",
        "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8",
        "Accept-Language": "en-US,en;q=0.5",
        "Upgrade-Insecure-Requests": "1",
        "Cache-Control": "max-age=0"
    },
    "method": "GET",
    "mode": "cors"
  }).then(response => response.data)
  return response

}

let processResults = async (json) => {
  let results = []
  let children = json.SSResponse.children
  children.pop()
  let ids = children.map(child => child.event.id)
  let markets = []
  for(let id of ids){
    let marketsContainer = await fetchUrl(enpointDrillDown(id))
    let marketsObj = marketsContainer.SSResponse.children[0].event
    let newMarkets = marketsObj.children
    newMarkets = newMarkets.map(market => ({...market.market, parent: marketsObj.name}))
    markets.push(...newMarkets)
  }
  let normalMarkets = markets.filter(market => !market.name.includes("Specials"))
  //console.log(normalMarkets)
  
  for(let normalMarket of normalMarkets){
    let title = normalMarket.parent + ": " + normalMarket.name
    title = title.replace("Boris Johnson Specials", "Boris Johnson") // small kludge
    let options = normalMarket.children.map(child => {
      let name = child.outcome.name

      let priceData = child.outcome.children[0].price
      let priceDecimal = Number(priceData.priceDec)
      let probability = 1/priceDecimal
      let option = ({
        "name":name,
        "probability": probability,
        "type": "PROBABILITY"

      })
      return option
    })
    // normalize probabilities
    let totalValue = options
      .map(element => Number(element.probability))
      .reduce((a, b) => (a + b), 0)
    options = options.map(element => ({
      ...element,
      probability: Number(element.probability) / totalValue
    }))
    
    // Filter very unlikely probabilities: Not here, but on the front end
    // options = options.filter(element => element.probability > 0.02)

    let obj = ({
      "title": title,
      "url": "https://sports.ladbrokes.com/sport/politics/outrights",
      "platform": "Ladbrokes",
      "options": options,
      "stars": calculateStars("Ladbrokes", ({}))
    })
    results.push(obj)
  }
  

  let specialMarkets = markets.filter(market => market.name.includes("Specials"))
  for(let specialMarket of specialMarkets){
    //let title = specialMarket.parent + ": " + specialMarket.name
    //console.log(title)
    specialMarket.children.forEach(child => {
      let name = specialMarket.parent.includes("Specials")? child.outcome.name : specialMarket.parent + ": " + child.outcome.name
      name = name.replace("Boris Johnson Specials", "Boris Johnson") // small kludge
      let priceData = child.outcome.children[0].price
      let priceDecimal = Number(priceData.priceDec)
      let probability = 1/priceDecimal
      let obj = ({
        "title": name,
        "url": "https://sports.ladbrokes.com/sport/politics/outrights",
        "platform": "LadBrokes",
        "options": [
          {
            "name": "Yes",
            "probability": probability,
            "type": "PROBABILITY"
          },
          {
            "name": "No",
            "probability": 1 - probability,
            "type": "PROBABILITY"
          }
        ],
        "stars": calculateStars("Ladbrokes", ({}))
      })
      results.push(obj)
    })
  }
  return results
}

/* Body */
export async function ladbrokes() {
  let response = await fetchUrl(endpointPolitics)
  let results = await processResults(response)
  console.log(results)
  let string = JSON.stringify(results, null, 2)
  fs.writeFileSync('./data/ladbrokes-questions.json', string);
  console.log("Done")
}
//ladbrokes()