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() {
  return (dispatch, getState) => {
    if (getState().getIn(["status_lists", "bookmarks", "isLoading"])) {
      return;
    }

    dispatch(fetchBookmarkedStatusesRequest());

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

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

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

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

export function expandBookmarkedStatuses() {
  return (dispatch, getState) => {
    const url = getState().getIn(["status_lists", "bookmarks", "next"], null);

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

    dispatch(expandBookmarkedStatusesRequest());

    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));
    }).catch(error => {
      dispatch(expandBookmarkedStatusesFail(error));
    });
  };
}

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

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

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