import { getExploreUrl, getAnnotationJsonUrl } from '../explore/exploreUtils';
import { requiresQuery, ANNOTATION_SOURCE_TYPES } from '../modules/AnnotationTypes';

const $ = window.$ = require('jquery');

export const CHART_UPDATE_STARTED = 'CHART_UPDATE_STARTED';
export function chartUpdateStarted(queryRequest, key) {
  return { type: CHART_UPDATE_STARTED, queryRequest, key };
}

export const CHART_UPDATE_SUCCEEDED = 'CHART_UPDATE_SUCCEEDED';
export function chartUpdateSucceeded(queryResponse, key) {
  return { type: CHART_UPDATE_SUCCEEDED, queryResponse, key };
}

export const CHART_UPDATE_STOPPED = 'CHART_UPDATE_STOPPED';
export function chartUpdateStopped(queryRequest, key) {
  if (queryRequest) {
    queryRequest.abort();
  }
  return { type: CHART_UPDATE_STOPPED, key };
}

export const CHART_UPDATE_TIMEOUT = 'CHART_UPDATE_TIMEOUT';
export function chartUpdateTimeout(statusText, timeout, key) {
  return { type: CHART_UPDATE_TIMEOUT, statusText, timeout, key };
}

export const CHART_UPDATE_FAILED = 'CHART_UPDATE_FAILED';
export function chartUpdateFailed(queryResponse, key) {
  return { type: CHART_UPDATE_FAILED, queryResponse, key };
}

export const CHART_RENDERING_FAILED = 'CHART_RENDERING_FAILED';
export function chartRenderingFailed(error, key) {
  return { type: CHART_RENDERING_FAILED, error, key };
}

export const REMOVE_CHART = 'REMOVE_CHART';
export function removeChart(key) {
  return { type: REMOVE_CHART, key };
}

export const ANNOTATION_QUERY_SUCCESS = 'ANNOTATION_QUERY_SUCCESS';
export function annotationQuerySuccess(annotation, queryResponse, key) {
  return { type: ANNOTATION_QUERY_SUCCESS, annotation, queryResponse, key };
}

export const ANNOTATION_QUERY_STARTED = 'ANNOTATION_QUERY_STARTED';
export function annotationQueryStarted(annotation, queryRequest, key) {
  return { type: ANNOTATION_QUERY_STARTED, annotation, queryRequest, key };
}

export const ANNOTATION_QUERY_FAILED = 'ANNOTATION_QUERY_FAILED';
export function annotationQueryFailed(annotation, queryResponse, key) {
  return { type: ANNOTATION_QUERY_FAILED, annotation, queryResponse, key };
}

export function runAnnotationQuery(annotation, timeout = 60, formData = null, key) {
  return function (dispatch, getState) {
    const sliceKey = key || Object.keys(getState().charts)[0];
    const fd = formData || getState().charts[sliceKey].latestQueryFormData;

    if (!requiresQuery(annotation.sourceType)) {
      return Promise.resolve();
    }

    const sliceFormData = Object.keys(annotation.overrides)
      .reduce((d, k) => ({
        ...d,
        [k]: annotation.overrides[k] || fd[k],
      }), {});
    const isNative = annotation.sourceType === ANNOTATION_SOURCE_TYPES.NATIVE;
    const url = getAnnotationJsonUrl(annotation.value, sliceFormData, isNative);
    const queryRequest = $.ajax({
      url,
      dataType: 'json',
      timeout: timeout * 1000,
    });
    dispatch(annotationQueryStarted(annotation, queryRequest, sliceKey));
    return queryRequest
      .then(queryResponse => dispatch(annotationQuerySuccess(annotation, queryResponse, sliceKey)))
      .catch((err) => {
        if (err.statusText === 'timeout') {
          dispatch(annotationQueryFailed(annotation, { error: 'Query Timeout' }, sliceKey));
        } else if ((err.responseJSON.error || '').toLowerCase().startsWith('no data')) {
          dispatch(annotationQuerySuccess(annotation, err, sliceKey));
        } else if (err.statusText !== 'abort') {
          dispatch(annotationQueryFailed(annotation, err.responseJSON, sliceKey));
        }
      });
  };
}

export const TRIGGER_QUERY = 'TRIGGER_QUERY';
export function triggerQuery(value = true, key) {
  return { type: TRIGGER_QUERY, value, key };
}

// this action is used for forced re-render without fetch data
export const RENDER_TRIGGERED = 'RENDER_TRIGGERED';
export function renderTriggered(value, key) {
  return { type: RENDER_TRIGGERED, value, key };
}

export const RUN_QUERY = 'RUN_QUERY';
export function runQuery(formData, force = false, timeout = 60, key) {
  return (dispatch) => {
    const url = getExploreUrl(formData, 'json', force);
    const queryRequest = $.ajax({
      url,
      dataType: 'json',
      timeout: timeout * 1000,
    });

    const queryPromise = Promise.resolve(dispatch(chartUpdateStarted(queryRequest, key)))
      .then(() => queryRequest)
      .then(queryResponse => dispatch(chartUpdateSucceeded(queryResponse, key)))
      .catch((err) => {
        if (err.statusText === 'timeout') {
          dispatch(chartUpdateTimeout(err.statusText, timeout, key));
        } else if (err.statusText !== 'abort') {
          dispatch(chartUpdateFailed(err.responseJSON, key));
        }
      });
    const annotationLayers = formData.annotation_layers || [];
    return Promise.all([
      queryPromise,
      dispatch(triggerQuery(false, key)),
      ...annotationLayers.map(x => dispatch(runAnnotationQuery(x, timeout, formData, key))),
    ]);
  };
}