/* eslint-disable camelcase */ // Directus database fields use snake_case
/* eslint-disable react/prop-types */
/* eslint-disable @typescript-eslint/prefer-optional-chain */
/* eslint-disable @typescript-eslint/no-floating-promises */
/* eslint-disable @typescript-eslint/prefer-nullish-coalescing */
/* eslint-disable @typescript-eslint/restrict-plus-operands */
/* eslint-disable @typescript-eslint/no-non-null-assertion */
/* eslint-disable @typescript-eslint/non-nullable-type-assertion-style */
/* eslint-disable no-catch-all/no-catch-all */

import { createContext, useContext, useEffect, useState, useCallback } from 'react'
import { toast } from 'react-toastify'

import { useUpdateItem } from './useItems'
import { useLayers } from './useLayers'
import { useHasUserPermission } from './usePermissions'

import type { Item } from '#types/Item'
import type { LayerProps } from '#types/LayerProps'
import type { PopupFormState } from '#types/PopupFormState'
import type { Point } from 'geojson'
import type { LatLng } from 'leaflet'

interface PolygonClickedProps {
  position: LatLng
  setItemFormPopup: React.Dispatch<React.SetStateAction<PopupFormState | null>>
}

type UseSelectPositionManagerResult = ReturnType<typeof useSelectPositionManager>

const SelectPositionContext = createContext<UseSelectPositionManagerResult>({
  selectPosition: null,
  setSelectPosition: () => {},
  setMarkerClicked: () => {},
  setMapClicked: () => {},
})

function useSelectPositionManager(): {
  selectPosition: Item | LayerProps | null
  setSelectPosition: React.Dispatch<React.SetStateAction<Item | LayerProps | null>>
  setMarkerClicked: React.Dispatch<React.SetStateAction<Item>>
  setMapClicked: React.Dispatch<React.SetStateAction<PolygonClickedProps | undefined>>
} {
  const [selectPosition, setSelectPosition] = useState<LayerProps | null | Item>(null)
  const [markerClicked, setMarkerClicked] = useState<Item | null>()
  const [mapClicked, setMapClicked] = useState<PolygonClickedProps>()
  const updateItem = useUpdateItem()
  const hasUserPermission = useHasUserPermission()
  const layers = useLayers()

  // Handle API operations with consistent error handling and return response data
  const handleApiOperation = useCallback(
    async (
      operation: () => Promise<Item>,
      toastId: string | number,
      successMessage: string,
    ): Promise<{ success: boolean; data?: Item }> => {
      try {
        const data = await operation()
        toast.update(toastId, {
          render: successMessage,
          type: 'success',
          isLoading: false,
          autoClose: 5000,
        })
        return { success: true, data }
      } catch (error) {
        const errorMessage = error instanceof Error ? error.message : String(error)
        toast.update(toastId, {
          render: errorMessage,
          type: 'error',
          isLoading: false,
          autoClose: 5000,
          closeButton: true,
        })
        return { success: false }
      }
    },
    [],
  )

  useEffect(() => {
    if (
      selectPosition &&
      markerClicked &&
      'text' in selectPosition &&
      markerClicked.id !== selectPosition.id
    ) {
      itemUpdateParent({ ...selectPosition, parent: markerClicked.id })
    }
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [markerClicked])

  useEffect(() => {
    if (selectPosition != null) {
      // selectPosition can be null, Layer or Item
      if ('markerIcon' in selectPosition) {
        // if selectPosition is a Layer
        mapClicked &&
          mapClicked.setItemFormPopup({
            layer: selectPosition as LayerProps,
            position: mapClicked.position,
          })
        setSelectPosition(null)
      }
      if ('layer' in selectPosition) {
        // if selectPosition is an Item
        const position =
          mapClicked?.position.lng &&
          ({
            type: 'Point',
            coordinates: [mapClicked.position.lng, mapClicked.position.lat],
          } as Point)
        position && itemUpdatePosition({ ...selectPosition, position })
        setSelectPosition(null)
      }
    }

    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [mapClicked])

  const itemUpdateParent = async (updatedItem: Item) => {
    const toastId = toast.loading('Adding item to ' + markerClicked?.name)
    if (
      markerClicked?.layer?.api?.collectionName &&
      hasUserPermission(markerClicked.layer.api.collectionName, 'update', markerClicked)
    ) {
      const result = await handleApiOperation(
        async () => {
          const updateResult = await updatedItem.layer?.api?.updateItem!({
            id: updatedItem.id,
            parent: updatedItem.parent,
            position: null,
          })
          return updateResult as Item
        },
        toastId,
        'Item position updated',
      )

      if (result.success && result.data) {
        // Find the layer object by ID from server response
        const layer = layers.find((l) => l.id === (result.data!.layer as unknown as string))
        const itemWithLayer = { ...result.data, layer, user_created: updatedItem.user_created }
        updateItem(itemWithLayer)
        await linkItem(updatedItem.id)
        setSelectPosition(null)
        setMarkerClicked(null)
      }
    } else {
      setSelectPosition(null)
      toast.update(toastId, {
        render: "you don't have permission to add items to " + markerClicked?.name,
        type: 'error',
        isLoading: false,
        autoClose: 5000,
        closeButton: true,
      })
    }
  }

  const itemUpdatePosition = async (updatedItem: Item) => {
    const toastId = toast.loading('Updating item position')

    const result = await handleApiOperation(
      async () => {
        const updateResult = await updatedItem.layer?.api?.updateItem!({
          id: updatedItem.id,
          position: updatedItem.position,
        })
        return updateResult as Item
      },
      toastId,
      'Item position updated',
    )

    if (result.success && result.data) {
      const layer = layers.find((l) => l.id === (result.data!.layer as unknown as string))
      const itemWithLayer = { ...result.data, layer, user_created: updatedItem.user_created }
      updateItem(itemWithLayer)
    }
  }

  const linkItem = async (id: string) => {
    if (markerClicked) {
      const newRelations = markerClicked.relations || []

      if (!newRelations.some((r) => r.related_items_id === id)) {
        newRelations.push({ items_id: markerClicked.id, related_items_id: id })
        const updatedItem = { id: markerClicked.id, relations: newRelations }

        const toastId = toast.loading('Linking item')
        const result = await handleApiOperation(
          async () => {
            const updateResult = await markerClicked.layer?.api?.updateItem!(updatedItem)
            return updateResult as Item
          },
          toastId,
          'Item linked',
        )

        if (result.success && result.data) {
          // Find the layer object by ID from server response
          const layer = layers.find((l) => l.id === (result.data!.layer as unknown as string))
          const itemWithLayer = { ...result.data, layer, user_created: markerClicked.user_created }
          updateItem(itemWithLayer)
        }
      }
    }
  }
  return { selectPosition, setSelectPosition, setMarkerClicked, setMapClicked }
}

export const SelectPositionProvider: React.FunctionComponent<{
  children?: React.ReactNode
}> = ({ children }) => (
  <SelectPositionContext.Provider value={useSelectPositionManager()}>
    {children}
  </SelectPositionContext.Provider>
)

export const useSelectPosition = (): Item | LayerProps | null => {
  const { selectPosition } = useContext(SelectPositionContext)
  return selectPosition
}

export const useSetSelectPosition = (): UseSelectPositionManagerResult['setSelectPosition'] => {
  const { setSelectPosition } = useContext(SelectPositionContext)
  return setSelectPosition
}

export const useSetMarkerClicked = (): UseSelectPositionManagerResult['setMarkerClicked'] => {
  const { setMarkerClicked } = useContext(SelectPositionContext)
  return setMarkerClicked
}

export const useSetMapClicked = (): UseSelectPositionManagerResult['setMapClicked'] => {
  const { setMapClicked } = useContext(SelectPositionContext)
  return setMapClicked
}