import api, { getLinks } from "../api";

import { importFetchedStatuses } from "./importer";

export const BOOKMARKED_STATUSES_FETCH_REQUEST = "BOOKMARKED_STATUSES_FETCH_REQUEST";
export const BOOKMARKED_STATUSES_FETCH_SUCCESS = "BOOKMARKED_STATUSES_FETCH_SUCCESS";
export const BOOKMARKED_STATUSES_FETCH_FAIL    = "BOOKMARKED_STATUSES_FETCH_FAIL";

export const BOOKMARKED_STATUSES_EXPAND_REQUEST = "BOOKMARKED_STATUSES_EXPAND_REQUEST";
export const BOOKMARKED_STATUSES_EXPAND_SUCCESS = "BOOKMARKED_STATUSES_EXPAND_SUCCESS";
export const BOOKMARKED_STATUSES_EXPAND_FAIL    = "BOOKMARKED_STATUSES_EXPAND_FAIL";

export function fetchBookmarkedStatuses(folderId) {
  return (dispatch, getState) => {
    const key = folderId ? `bookmarks:${folderId}`: "bookmarks";

    if (getState().getIn(["status_lists", key, "isLoading"])) {
      return;
    }

    dispatch(fetchBookmarkedStatusesRequest(folderId));

    api(getState).get("/api/v1/bookmarks", { params: { folder_id: folderId } }).then(response => {
      const next = getLinks(response).refs.find(link => link.rel === "next");
      dispatch(importFetchedStatuses(response.data));
      dispatch(fetchBookmarkedStatusesSuccess(response.data, next ? next.uri : null, folderId));
    }).catch(error => {
      dispatch(fetchBookmarkedStatusesFail(error, folderId));
    });
  };
}

export function fetchBookmarkedStatusesRequest(folderId) {
  return {
    type: BOOKMARKED_STATUSES_FETCH_REQUEST,
    folderId,
  };
}

export function fetchBookmarkedStatusesSuccess(statuses, next, folderId) {
  return {
    type: BOOKMARKED_STATUSES_FETCH_SUCCESS,
    statuses,
    next,
    folderId,
  };
}

export function fetchBookmarkedStatusesFail(error, folderId) {
  return {
    type: BOOKMARKED_STATUSES_FETCH_FAIL,
    error,
    folderId,
  };
}

export function expandBookmarkedStatuses(folderId) {
  return (dispatch, getState) => {
    const key = folderId ? `bookmarks:${folderId}`: "bookmarks";

    const url = getState().getIn(["status_lists", key, "next"], null);

    if (url === null || getState().getIn(["status_lists", key, "isLoading"])) {
      return;
    }

    dispatch(expandBookmarkedStatusesRequest(folderId));

    api(getState).get(url).then(response => {
      const next = getLinks(response).refs.find(link => link.rel === "next");
      dispatch(importFetchedStatuses(response.data));
      dispatch(expandBookmarkedStatusesSuccess(response.data, next ? next.uri : null, folderId));
    }).catch(error => {
      dispatch(expandBookmarkedStatusesFail(error, folderId));
    });
  };
}

export function expandBookmarkedStatusesRequest(folderId) {
  return {
    type: BOOKMARKED_STATUSES_EXPAND_REQUEST,
    folderId,
  };
}

export function expandBookmarkedStatusesSuccess(statuses, next, folderId) {
  return {
    type: BOOKMARKED_STATUSES_EXPAND_SUCCESS,
    statuses,
    next,
    folderId,
  };
}

export function expandBookmarkedStatusesFail(error, folderId) {
  return {
    type: BOOKMARKED_STATUSES_EXPAND_FAIL,
    error,
    folderId,
  };
}