//---------------------------------------------------------------------
//
// QR Code Generator for JavaScript - TypeScript Declaration File
//
// Copyright (c) 2016 Kazuhiko Arase
//
// URL: http://www.d-project.com/
//
// Licensed under the MIT license:
//  http://www.opensource.org/licenses/mit-license.php
//
// The word 'QR Code' is registered trademark of
// DENSO WAVE INCORPORATED
//  http://www.denso-wave.com/qrcode/faqpatent-e.html
//
//---------------------------------------------------------------------

type TypeNumber =
    | 0 // Automatic type number
    | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
    | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20
    | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30
    | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40
    ;

type ErrorCorrectionLevel = 'L' | 'M' | 'Q' | 'H';

type Mode = 'Numeric' | 'Alphanumeric' | 'Byte' /* Default */ | 'Kanji';

interface QRCodeFactory {
    (typeNumber: TypeNumber, errorCorrectionLevel: ErrorCorrectionLevel): QRCode;
    stringToBytes(s: string): number[];
    stringToBytesFuncs: { [encoding: string]: (s: string) => number[] };
    createStringToBytes(unicodeData: string, numChars: number):
        (s: string) => number[];
}

interface QRCode {
    addData(data: string, mode?: Mode): void;
    make(): void;
    getModuleCount(): number;
    isDark(row: number, col: number): boolean;
    createImgTag(cellSize?: number, margin?: number): string;
    createSvgTag(cellSize?: number, margin?: number): string;
    createSvgTag(opts?: {
        cellSize?: number, margin?: number,
        scalable?: boolean
    }): string;
    createDataURL(cellSize?: number, margin?: number): string;
    createTableTag(cellSize?: number, margin?: number): string;
    createASCII(cellSize?: number, margin?: number): string;
    renderTo2dContext(context: CanvasRenderingContext2D, cellSize?: number): void;
}

// eslint-disable-next-line no-var
declare var qrcode: QRCodeFactory;