import { ProjectFormState } from "./ProjectFormState.interface"

type Action = 
| { type: 'SET_ERROR'; payload: string | undefined }
| { type: 'SET_IS_DISABLED'; payload: boolean }
| { type: 'SET_IS_LOADING'; payload: boolean }

export const initialState: ProjectFormState = {
  error: undefined,
  isDisabled: false,
  isLoading: true,
};

export const reducer = (
  state: ProjectFormState,
  action: Action
): ProjectFormState => {
  switch (action.type) {
    case 'SET_ERROR': {
      return {
        ...state,
        error: action.payload
      };
    }
    case 'SET_IS_DISABLED': {
      return {
        ...state,
        isDisabled: action.payload
      };
    }
    case 'SET_IS_LOADING': {
      return {
        ...state,
        isLoading: action.payload
      };
    }
    default: {
      return state;
    }
  }
};