import { Dispatch } from 'redux'
import {
  SetAppErrorActionType,
  setAppStatusAC,
  SetAppStatusActionType,
} from 'app/app-reducer'
import { authAPI, LoginParamsType } from 'api/todolists-api'
import {
  handleServerAppError,
  handleServerNetworkError,
} from 'utils/error-utils'

const initialState: InitialStateType = {
  isLoggedIn: false,
}

export const authReducer = (
  state: InitialStateType = initialState,
  action: ActionsType
): InitialStateType => {
  switch (action.type) {
    case 'login/SET-IS-LOGGED-IN':
      return { ...state, isLoggedIn: action.value }
    default:
      return state
  }
}

// actions

export const setIsLoggedInAC = (value: boolean) =>
  ({ type: 'login/SET-IS-LOGGED-IN', value }) as const

// thunks
export const loginTC =
  (data: LoginParamsType) =>
  (
    dispatch: Dispatch<
      ActionsType | SetAppStatusActionType | SetAppErrorActionType
    >
  ) => {
    dispatch(setAppStatusAC('loading'))
    authAPI
      .login(data)
      .then((res) => {
        if (res.data.resultCode === 0) {
          dispatch(setIsLoggedInAC(true))
          dispatch(setAppStatusAC('succeeded'))
        } else {
          handleServerAppError(res.data, dispatch)
        }
      })
      .catch((error) => {
        handleServerNetworkError(error, dispatch)
      })
  }
export const logoutTC =
  () =>
  (
    dispatch: Dispatch<
      ActionsType | SetAppStatusActionType | SetAppErrorActionType
    >
  ) => {
    dispatch(setAppStatusAC('loading'))
    authAPI
      .logout()
      .then((res) => {
        if (res.data.resultCode === 0) {
          dispatch(setIsLoggedInAC(false))
          dispatch(setAppStatusAC('succeeded'))
        } else {
          handleServerAppError(res.data, dispatch)
        }
      })
      .catch((error) => {
        handleServerNetworkError(error, dispatch)
      })
  }

// types

type ActionsType = ReturnType<typeof setIsLoggedInAC>
type InitialStateType = {
  isLoggedIn: boolean
}

type ThunkDispatch = Dispatch<
  ActionsType | SetAppStatusActionType | SetAppErrorActionType
>