export as namespace ComparePdf;

export default ComparePdf;

export interface ComparePdfConfig {
  paths: {
    actualPdfRootFolder: string;
    baselinePdfRootFolder: string;
    actualPngRootFolder: string;
    baselinePngRootFolder: string;
    diffPngRootFolder: string;
  };
  settings: {
    imageEngine: "graphicsMagick" | "native";
    imageMagickVersion?: "6" | "7+";
    density: number | string;
    quality: number | string;
    tolerance: number | string;
    threshold: number | string;
    cleanPngPaths?: boolean;
    matchPageCount?: boolean;
    disableFontFace?: boolean;
    verbosity?: number | string;
    diffColor?: [number, number, number];
    diffColorAlt?: [number, number, number] | null;
    outputPngDifferences?: boolean;
  };
}

export interface ComparePdfOpts {
  masks: PageMask[];
  crops: PageCrop[];
  onlyPageIndexes: Array<string | number>;
  skipPageIndexes: Array<string | number>;
}

export interface Coordinates {
  x0: number;
  y0: number;
  x1: number;
  y1: number;
}

export interface Dimension {
  width: number;
  height: number;
  x: number;
  y: number;
}

export interface PageMask {
  pageIndex: number;
  coordinates: Coordinates;
  color?: string;
}

export interface PageCrop {
  pageIndex: number;
  coordinates: Dimension;
}

export interface Details {
  status: string;
  numDiffPixels: number;
  diffPng: string;
}

export interface Results {
  status: string;
  message?: string;
  details?: Details[];
}

declare class ComparePdf {
  constructor(config?: ComparePdfConfig);

  opts: ComparePdfOpts;

  baselinePdfBuffer(
    baselinePdfBuffer: Uint8Array,
    baselinePdfFilename?: string,
  ): ComparePdf;

  baselinePdfFile(baselinePdf: string): ComparePdf;

  actualPdfBuffer(
    actualPdfBuffer: Uint8Array,
    actualPdfFilename?: string,
  ): ComparePdf;

  actualPdfFile(actualPdf: string): ComparePdf;

  addMask(
    pageIndex: number,
    coordinates?: Coordinates,
    color?: string,
  ): ComparePdf;

  addMasks(masks: PageMask[]): ComparePdf;

  onlyPageIndexes(pageIndexes: Array<string | number>): ComparePdf;

  skipPageIndexes(pageIndexes: Array<string | number>): ComparePdf;

  cropPage(pageIndex: number, coordinates?: Dimension): ComparePdf;

  cropPages(cropPagesList: PageCrop[]): ComparePdf;

  compare(comparisonType?: string): Promise<Results>;
}