export interface CSPair {
	/**
	The ANSI terminal control sequence for starting this style.
	*/
	readonly open: string;

	/**
	The ANSI terminal control sequence for ending this style.
	*/
	readonly close: string;
}

export interface ColorBase {
	/**
	The ANSI terminal control sequence for ending this color.
	*/
	readonly close: string;

	ansi(code: number): string;

	ansi256(code: number): string;

	ansi16m(red: number, green: number, blue: number): string;
}

export interface Modifier {
	/**
	Resets the current color chain.
	*/
	readonly reset: CSPair;

	/**
	Make text bold.
	*/
	readonly bold: CSPair;

	/**
	Emitting only a small amount of light.
	*/
	readonly dim: CSPair;

	/**
	Make text italic. (Not widely supported)
	*/
	readonly italic: CSPair;

	/**
	Make text underline. (Not widely supported)
	*/
	readonly underline: CSPair;

	/**
	Make text overline.

	Supported on VTE-based terminals, the GNOME terminal, mintty, and Git Bash.
	*/
	readonly overline: CSPair;

	/**
	Inverse background and foreground colors.
	*/
	readonly inverse: CSPair;

	/**
	Prints the text, but makes it invisible.
	*/
	readonly hidden: CSPair;

	/**
	Puts a horizontal line through the center of the text. (Not widely supported)
	*/
	readonly strikethrough: CSPair;
}

export interface ForegroundColor {
	readonly black: CSPair;
	readonly red: CSPair;
	readonly green: CSPair;
	readonly yellow: CSPair;
	readonly blue: CSPair;
	readonly cyan: CSPair;
	readonly magenta: CSPair;
	readonly white: CSPair;

	/**
	Alias for `blackBright`.
	*/
	readonly gray: CSPair;

	/**
	Alias for `blackBright`.
	*/
	readonly grey: CSPair;

	readonly blackBright: CSPair;
	readonly redBright: CSPair;
	readonly greenBright: CSPair;
	readonly yellowBright: CSPair;
	readonly blueBright: CSPair;
	readonly cyanBright: CSPair;
	readonly magentaBright: CSPair;
	readonly whiteBright: CSPair;
}

export interface BackgroundColor {
	readonly bgBlack: CSPair;
	readonly bgRed: CSPair;
	readonly bgGreen: CSPair;
	readonly bgYellow: CSPair;
	readonly bgBlue: CSPair;
	readonly bgCyan: CSPair;
	readonly bgMagenta: CSPair;
	readonly bgWhite: CSPair;

	/**
	Alias for `bgBlackBright`.
	*/
	readonly bgGray: CSPair;

	/**
	Alias for `bgBlackBright`.
	*/
	readonly bgGrey: CSPair;

	readonly bgBlackBright: CSPair;
	readonly bgRedBright: CSPair;
	readonly bgGreenBright: CSPair;
	readonly bgYellowBright: CSPair;
	readonly bgBlueBright: CSPair;
	readonly bgCyanBright: CSPair;
	readonly bgMagentaBright: CSPair;
	readonly bgWhiteBright: CSPair;
}

export interface ConvertColor {
	/**
	Convert from the RGB color space to the ANSI 256 color space.

	@param red - (`0...255`)
	@param green - (`0...255`)
	@param blue - (`0...255`)
	*/
	rgbToAnsi256(red: number, green: number, blue: number): number;

	/**
	Convert from the RGB HEX color space to the RGB color space.

	@param hex - A hexadecimal string containing RGB data.
	*/
	hexToRgb(hex: string): [red: number, green: number, blue: number];

	/**
	Convert from the RGB HEX color space to the ANSI 256 color space.

	@param hex - A hexadecimal string containing RGB data.
	*/
	hexToAnsi256(hex: string): number;

	/**
	Convert from the ANSI 256 color space to the ANSI 16 color space.

	@param code - A number representing the ANSI 256 color.
	*/
	ansi256ToAnsi(code: number): number;

	/**
	Convert from the RGB color space to the ANSI 16 color space.

	@param red - (`0...255`)
	@param green - (`0...255`)
	@param blue - (`0...255`)
	*/
	rgbToAnsi(red: number, green: number, blue: number): number;

	/**
	Convert from the RGB HEX color space to the ANSI 16 color space.

	@param hex - A hexadecimal string containing RGB data.
	*/
	hexToAnsi(hex: string): number;
}

declare const ansiStyles: {
	readonly modifier: Modifier;
	readonly color: ColorBase & ForegroundColor;
	readonly bgColor: ColorBase & BackgroundColor;
	readonly codes: ReadonlyMap<number, number>;
} & ForegroundColor & BackgroundColor & Modifier & ConvertColor;

export default ansiStyles;