import { MLKitCameraView, MLKitVisionCloudOptions, MLKitVisionOptions, MLKitVisionResult } from '../index';

export interface MLKitRecognizeTextResultBounds {
	origin: {
		x: number;
		y: number;
	};
	size: {
		width: number;
		height: number;
	};
}

export interface MLKitRecognizeTextResultElement {
	text: string;
	bounds: MLKitRecognizeTextResultBounds;
}

export interface MLKitRecognizeTextResultLine {
	text: string;
	confidence: number;
	bounds: MLKitRecognizeTextResultBounds;
	elements: Array<MLKitRecognizeTextResultElement>;
}

export interface MLKitRecognizeTextResultBlock {
	text: string;
	confidence: number;
	bounds: MLKitRecognizeTextResultBounds;
	lines: Array<MLKitRecognizeTextResultLine>;
}

export interface MLKitRecognizeTextResult extends MLKitVisionResult {
	text?: string;
	blocks?: Array<MLKitRecognizeTextResultBlock>;
	ios?: any;
	android?: any;
}

// TODO see 'setLanguageHints' at https://firebase.google.com/docs/ml-kit/android/recognize-text

export interface MLKitRecognizeTextOnDeviceOptions extends MLKitVisionOptions {}

export interface MLKitRecognizeTextCloudOptions extends MLKitVisionCloudOptions {}

export declare function recognizeTextOnDevice(options: MLKitRecognizeTextOnDeviceOptions): Promise<MLKitRecognizeTextResult>;

export declare function recognizeTextCloud(options: MLKitRecognizeTextCloudOptions): Promise<MLKitRecognizeTextResult>;

export declare class MLKitTextRecognition extends MLKitCameraView {}