import { createSlice, PayloadAction } from '@reduxjs/toolkit'
import { LocationObject } from 'expo-location'
import { Constants } from '@/constants/Constants'


export type PlayerLocation = {
  id?: number
  playerId: number
  longitude: number
  latitude: number
  speed: number
  accuracy: number
  altitude: number
  altitudeAccuracy: number
  timestamp: string
}

interface LocationState {
  lastOwnLocation: LocationObject | null
  lastSentLocation: LocationObject | null
  queuedLocations: LocationObject[]
  lastPlayerLocations: PlayerLocation[]
}

const initialState: LocationState = {
  lastOwnLocation: null,
  lastSentLocation: null,
  queuedLocations: [],
  lastPlayerLocations: []
}

export const locationSlice = createSlice({
  name: 'location',
  initialState: initialState,
  reducers: {
    setLastLocation: (state, action: PayloadAction<LocationObject>) => {
      const location: LocationObject = action.payload
      state.lastOwnLocation = location
      if (state.lastSentLocation === null || (location.timestamp - state.lastSentLocation.timestamp) >= Constants.MIN_DELAY_LOCATION_SENT * 1000) {
        state.lastSentLocation = location
        state.queuedLocations.push(location)
      }
    },
    unqueueLocation: (state, action: PayloadAction<LocationObject>) => {
      const sentLoc = action.payload
      state.queuedLocations = state.queuedLocations
        .filter(loc => new Date(loc.timestamp).getTime() !== sentLoc.timestamp
          && loc.coords.latitude !== sentLoc.coords.latitude
          && loc.coords.longitude !== sentLoc.coords.longitude)
    },
    setLastPlayerLocations: (state, action: PayloadAction<PlayerLocation[]>) => {
      state.lastPlayerLocations = action.payload
    },
    setLastPlayerLocation: (state, action: PayloadAction<PlayerLocation>) => {
      state.lastPlayerLocations = state.lastPlayerLocations.filter(playerLoc => playerLoc.playerId !== action.payload.playerId)
      state.lastPlayerLocations.push(action.payload)
    }
  },
})

export const { setLastLocation, unqueueLocation, setLastPlayerLocation, setLastPlayerLocations } = locationSlice.actions

export default locationSlice.reducer