import { getDocs, collection, getFirestore, query } from 'firebase/firestore'

export const useContestStore = defineStore('contest', () => {
  // General
  const db = getFirestore()

  // Contest competitors
  const competitors = ref([])
  
  const getCompetitors = async () => {
    if (competitors.value[0]) return

    const querySnapshot = await getDocs(collection(db, "competitors"))

    querySnapshot.forEach((doc) => {
      const data = doc.data()
      data.checked = true
      competitors.value.push(data)
    })
  }

  const selectCompetitors = (x, relatiecodes) => {
    if (x === 'user') {
      competitors.value.forEach(competitor => {
        if (relatiecodes.includes(competitor.relatiecode)) {
          competitor.checked = true
        } else {
          competitor.checked = false
        }
      })
    } else if (x === 'all') {
      competitors.value.forEach(competitor => competitor.checked = true)
    } else if (x === 'none') {
      competitors.value.forEach(competitor => competitor.checked = false)
    }
 }
  
  // Contest Timings
  const timings = ref([])

  const filteredTimings = computed(() => {
    timings.value = timings.value.sort((a, b) => a.time.combined.localeCompare(b.time.combined))
    
    timings.value.forEach((time, index) => {
      if (time.dsq === true) {
        timings.value.push(timings.value.splice(index, 1)[0])
      }
    })

    return timings.value.filter(a => competitors.value.filter(b => b.checked === true).map(x => x.relatiecode).includes(a.relatiecode))
  })

  const getTimings = async () => {
    if (timings.value[0]) return;
    if (!competitors.value[0]) await getCompetitors()

    const timingsRef = collection(db, "timings");  

    const q = query(timingsRef);

    const querySnapshot = await getDocs(q);

    querySnapshot.forEach((doc) => {
      const data = doc.data()
      data.id = doc.id

      data.contest.date = data.contest.date.toDate()

      timings.value.push(data)
    });
  }

  return { competitors, getCompetitors, getTimings, timings, filteredTimings, selectCompetitors }
})