import { _ } from 'meteor/underscore';
import { $ } from 'meteor/jquery';
import { OHIF } from 'meteor/ohif:core';
import { cornerstone } from 'meteor/ohif:cornerstone';

export default function ({ instance, eventData, tool, toolGroupId, toolGroup }) {
    OHIF.log.info('CornerstoneToolsMeasurementRemoved');
    const measurementData = eventData.measurementData;
    const { measurementApi, timepointApi } = instance.data;
    const Collection = measurementApi.tools[tool.parentTool];

    // Stop here if the tool data shall not be persisted (e.g. temp tools)
    if (!Collection) return;

    const measurement = Collection.findOne(measurementData._id);

    // Stop here if the measurement is already gone or never existed
    if (!measurement) return;

    if (measurement.childToolsCount === 1) {
        // Remove the measurement
        Collection.remove(measurement._id);

        // Sync the new measurement data with cornerstone tools
        const baseline = timepointApi.baseline();
        measurementApi.sortMeasurements(baseline.timepointId);
    } else {
        // Update the measurement in the collection
        Collection.update(measurement._id, {
            $set: { [tool.attribute]: null },
            $inc: { childToolsCount: -1 }
        });
    }

    // Repaint the images on all viewports without the removed measurements
    _.each($('.imageViewerViewport'), element => cornerstone.updateImage(element));

    // Notify that viewer suffered changes
    if (tool.toolGroup !== 'temp') {
        OHIF.measurements.triggerTimepointUnsavedChanges(eventData.toolType);
    }
}