import { ItemSelector, EntityItemCommon } from 'interfaces';

// action types
export const SUCCESS_ADD_ITEM: 'SUCCESS_ADD_ITEM' = 'SUCCESS_ADD_ITEM';
export const SUCCESS_UPDATE_ITEM: 'SUCCESS_UPDATE_ITEM' = 'SUCCESS_UPDATE_ITEM';
export const SUCCESS_DELETE_ITEM: 'SUCCESS_DELETE_ITEM' = 'SUCCESS_DELETE_ITEM';

export const SUCCESS_FETCH_ITEM: 'SUCCESS_FETCH_ITEM' = 'SUCCESS_FETCH_ITEM';
export const SUCCESS_FETCH_LIST: 'SUCCESS_FETCH_LIST' = 'SUCCESS_FETCH_LIST';
export const SUCCESS_QUERY_LIST: 'SUCCESS_QUERY_LIST' = 'SUCCESS_QUERY_LIST';

// Action types
export type SuccessAddItem = {
  type: typeof SUCCESS_ADD_ITEM,
  payload: {
    entityType: string,
    id: string,
    entityItem: any
  }
};
export type SuccessUpdateItem = {
  type: typeof SUCCESS_UPDATE_ITEM,
  payload: {
    entityType: string,
    id: string,
    entityItem: any
  }
};
export type SuccessDeleteItem = {
  type: typeof SUCCESS_DELETE_ITEM,
  payload: {
    entityType: string,
    id: string,
    entityItem: any
  }
};
export type SuccessFetchItemAction = {
  type: typeof SUCCESS_FETCH_ITEM,
  payload: {
    entityType: string,
    id: string,
    entityItem: any,
  }
};
export type SuccessFetchListAction = {
  type: typeof SUCCESS_FETCH_LIST,
  payload: {
    entityType: string,
    orderBy: string,
    ids: Array<string>,
    itemListById: { [id: string]: any },
    needResetList: boolean
  }
};
export type SuccessQueryListAction = {
  type: typeof SUCCESS_QUERY_LIST,
  payload: {
    entityType: string,
    queryName: string,
    ids: Array<string>, // ordered
    itemListById: { [id: string]: any },
    needResetList: boolean
  }
};

// Action creators
export function successAddItem(
  itemSelector: ItemSelector,
  entityItem: any
): SuccessAddItem {
  return {
    type: SUCCESS_ADD_ITEM,
    payload: {
      entityType: itemSelector.entityType,
      id: itemSelector.id,
      entityItem
    }
  };
}
export function successUpdateItem(
  itemSelector: ItemSelector,
  entityItem: any
): SuccessUpdateItem {
  return {
    type: SUCCESS_UPDATE_ITEM,
    payload: {
      entityType: itemSelector.entityType,
      id: itemSelector.id,
      entityItem
    }
  };
}
export function successDeleteItem(
  itemSelector: ItemSelector,
  entityItem: Object
): SuccessDeleteItem {
  return {
    type: SUCCESS_DELETE_ITEM,
    payload: {
      entityType: itemSelector.entityType,
      id: itemSelector.id,
      entityItem
    }
  };
}

export function successFetchItem(
  itemSelector: ItemSelector,
  entityItem: any
): SuccessFetchItemAction {
  return {
    type: SUCCESS_FETCH_ITEM,
    payload: {
      entityType: itemSelector.entityType,
      id: itemSelector.id,
      entityItem: { ...entityItem, id: itemSelector.id }
    }
  };
}

export function successFetchList(
  entityType: string,
  orderBy: string,
  ids: Array<string>,
  itemListById: { [id:string]: EntityItemCommon },
  needResetList: boolean = false
): SuccessFetchListAction {
  const idAddedItemListById = Object.keys(itemListById)
    .reduce(
      (result, key) => ({ ...result, [key]: { ...itemListById[key], id: key } }),
      {}
    );
  return {
    type: SUCCESS_FETCH_LIST,
    payload: {
      entityType,
      orderBy,
      ids,
      itemListById: idAddedItemListById,
      needResetList
    }
  };
}

export function successQueryList(
  entityType: string,
  queryName: string,
  ids: Array<string>,
  itemListById: { [id:string]: EntityItemCommon },
  needResetList: boolean = false
): SuccessQueryListAction {
  const idAddedItemListById = Object.keys(itemListById)
    .reduce(
      (result, key) => ({ ...result, [key]: { ...itemListById[key], id: key } }),
      {}
    );
  return {
    type: SUCCESS_QUERY_LIST,
    payload: {
      entityType,
      queryName,
      ids,
      itemListById: idAddedItemListById,
      needResetList
    }
  };
}