import { ScaleLinear } from 'd3-scale'

export type ScaleFunction = ScaleLinear<number, number>;

export interface YAxisData {
  key: string; // string value for ChartLabel and useGraphData
  values: Array<number>;
  // including this code only for review --
  // do we prefer the idea of passing label formatting from the data or in the component?
  // generic function type, specific usage of value varies
  // eslint-disable-next-line no-unused-vars
  formatLabel?: (value: number) => string; 
}

export type XValue = string | number

export interface GraphData {
  xValues: Array<XValue>;
  yValues: Array<YAxisData>;
}

interface YAxisProps {
  maxLeftYAxisValue?: number;
  maxRightYAxisValue?: number;
  selectedLeftYAxisLabel?: string;
  selectedRightYAxisLabel?: string;
  // generic function type, specific usage of value varies
  // eslint-disable-next-line no-unused-vars
  formatRightYAxisLabel?: (value: string) => string;
  // generic function type, specific usage of value varies
  // eslint-disable-next-line no-unused-vars
  formatLeftYAxisLabel?: (value: string) => string;
}
export interface GraphProps {
  data: GraphData;
  height?: number;
  spacingInner?: number;
  spacingOuter?: number;
  contentInset?: { top: number; bottom: number };
  min?: number;
  numberOfTicks?: number;
  barColors?: Array<string>;
  yAxisProps?: YAxisProps;
}