All files / libs/lti/components/src/lib/forms/configuration lti-plan-kpi-generator.ts

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import { random } from 'lodash-es';
import { v4 as uuid } from 'uuid';

import { FormatsEnum } from '@amalia/data-capture/fields/types';
import { type LtiPlanKpi } from '@amalia/lti/types';
import { ChartColor } from '@amalia/reporting/dashboards-v2/types';

export const generateLtiPlanKpi = (kpis?: LtiPlanKpi[] | null): LtiPlanKpi => {
  const alreadyUsedColors = kpis?.map((kpi) => kpi.color) || [];

  const availableColors = Object.values(ChartColor).filter((color) => !alreadyUsedColors.includes(color));

  // take BLUE first then LIGHT_MAGENTA if only one KPI, else random available color or random color
  const color = kpis
    ? kpis.length === 1
      ? ChartColor.LIGHT_MAGENTA
      : availableColors.length > 0
        ? availableColors[random(availableColors.length - 1)]
        : Object.values(ChartColor)[random(Object.values(ChartColor).length - 1)]
    : ChartColor.BLUE;

  return {
    id: uuid(),
    name: '',
    weight: 1,
    format: FormatsEnum.currency,
    configuration: {
      type: 'LINEAR',
      steps: [
        [0, 0],
        [0.5, 0.5],
        [1, 1],
      ],
    },
    color,
  };
};