// #region [Imports] ===================================================================================================

// Libraries
import { createContext, useReducer, FC } from 'react';

// Types
import { IStoreCreditCustomersQueryParams } from '../types/storeCredits';

// #endregion [Imports]

// #region [Interfaces] ================================================================================================

interface IReducerAction {
  type: string;
  value: string | number | IStoreCreditCustomersQueryParams;
}

interface IContext {
  params: IStoreCreditCustomersQueryParams;
  dispatchParams: (value: IReducerAction) => void;
}

// #endregion [Interfaces]

// #region [Reducer] ===================================================================================================

const reducer = (state: IStoreCreditCustomersQueryParams, action: IReducerAction) => {
  switch (action.type) {
    case 'SET_PAGE':
      return { ...state, page: action.value as number };
    case 'SET_PER_PAGE':
      return { ...state, per_page: action.value as number };
    case 'SET_SEARCH':
      return { ...state, search: action.value as string, page: 1 }; // set page back to 1 everytime search is dispatched.
    case 'SET_SORT_BY':
      return { ...state, sort_by: action.value as string };
    case 'SET_SORT_ORDER':
      return { ...state, sort_order: action.value as string };
    case 'SET_META_KEY':
      return { ...state, meta_key: action.value as string };
    case 'SET_QUERY':
      return action.value as IStoreCreditCustomersQueryParams;
  }

  return state;
};

// #endregion [Reducer]

// #region [Context] ===================================================================================================

export const StoreCreditsCustomersContext = createContext<IContext>({
  params: { page: 1 },
  dispatchParams: (value) => {},
});

// #endregion [Context]

// #region [Component] =================================================================================================

const StoreCreditsCustomersContextProvider: FC = ({ children }) => {
  const initialState: IStoreCreditCustomersQueryParams = { page: 1 };
  const [params, dispatchParams]: [IStoreCreditCustomersQueryParams, any] = useReducer(reducer, initialState);

  return (
    <StoreCreditsCustomersContext.Provider value={{ params, dispatchParams }}>
      {children}
    </StoreCreditsCustomersContext.Provider>
  );
};

export default StoreCreditsCustomersContextProvider;

// #endregion [Component]