// Constants that define how we go from dot space to canvas coordinates.
export const DOT_SCALE_X = 10;
export const DOT_SCALE_Y = 10;
export const DOT_OFFSET_X = 10;
export const DOT_OFFSET_Y = 10;

// Functions that go from dot space to canvas coordinates.
export const dotToCanvasX = (x: number) => x * DOT_SCALE_X + DOT_OFFSET_X;
export const dotToCanvasY = (y: number) => y * DOT_SCALE_Y + DOT_OFFSET_Y;

// Maximum number of unique digests to display. If the number of unique digests
// exceeds this, they will be grouped together with the last color.
// This corresponds to search.maxDistinctDigestsToPresent.
export const MAX_UNIQUE_DIGESTS = 9;

// Convention by the frontend to indicate there's no data for the given commit.
export const MISSING_DOT = -1;

// Constants that define what the traces look like. Colors are taken from the
// color blindness palette at
// http://mkweb.bcgsc.ca/colorblind/palettes/12.color.blindness.palette.txt
export const TRACE_LINE_COLOR = '#999999';
export const STROKE_WIDTH = 2; // Used for both the trace line and dots.
export const DOT_RADIUS = 3;

export const DOT_STROKE_COLORS = [
  '#000000', // black
  '#009F81', // jungle green
  '#FF6E3A', // outrageous orange
  '#8400CD', // dark violet
  '#FF5AAF', // brilliant rose
  '#A40122', // strong crimson
  '#FFC33B', // bright spark
  '#008DF9', // brilliant azure
  '#999999', // grey; Used when the number of unique digests >= MAX_UNIQUE_DIGESTS.
];
export const DOT_FILL_COLORS = [
  '#000000',
  '#FFFFFF',
  '#FFFFFF',
  '#FFFFFF',
  '#FFFFFF',
  '#FFFFFF',
  '#FFFFFF',
  '#FFFFFF',
  '#FFFFFF', // Used when the number of unique digests >= MAX_UNIQUE_DIGESTS.
];
export const DOT_FILL_COLORS_HIGHLIGHTED = [
  '#AAAAAA', // light grey
  '#009F81', // jungle green
  '#FF6E3A', // outrageous orange
  '#8400CD', // dark violet
  '#FF5AAF', // brilliant rose
  '#A40122', // strong crimson
  '#FFC33B', // bright spark
  '#008DF9', // brilliant azure
  '#999999', // grey; Used when the number of unique digests >= MAX_UNIQUE_DIGESTS.
];