import { NodeAutocompletion } from "./autocompletions"
import { IndicatorDimension } from "./indicators"

export interface Chart extends ChartNodeBase {
  data?: ChartData
  type: ChartNodeType.Chart
}

export interface ChartBasemap {
  path: string
  /// Name of TopoJSON field matching keyField of dimension of indicator
  topoJsonField: string
}

export interface ChartData {
  basemap: ChartBasemap
  breaks: number[]
  colorInterpolatorName: string
  colors: string[]
  discretizationMethod: string
  indicator: ChartIndicator
  /// labels by basemap code
  labels: { [key: string]: string }
  maxValue: number
  minValue: number
  reverseColors: boolean
  /// values by basemap code
  values: { [key: string]: number }
}

export interface ChartGroup extends ChartNodeBase {
  childrenAutocompletion?: NodeAutocompletion[]
  type: ChartNodeType.Group
}

export interface ChartIndicator {
  /// one of the dimensions of indicator, matching the dataset of the basemap
  dimension: IndicatorDimension
  path: string
}

export type ChartNode = Chart | ChartGroup

export interface ChartNodeBase {
  description?: string
  name: string
  path: string
  type: ChartNodeType
}

export enum ChartNodeType {
  Chart = "CHART",
  Group = "GROUP",
}