package com.docvcapture

import com.trulioo.docvCapture.core.ui.CameraConfig
import com.trulioo.docvCapture.core.ui.CameraProps
import com.trulioo.docvCapture.core.ui.DetectionType
import com.trulioo.docvCapture.sdk.TruliooCapture
import org.json.JSONObject

object TruliooCaptureObject {
    private var instance: TruliooCapture? = null

    fun getInstance(): TruliooCapture {
        synchronized(this) {
            if (instance == null) {
                instance = TruliooCapture()
            }
            return instance!!
        }
    }

    fun createTruliooCameraConfig(cameraConfigJson: String): CameraConfig {
        val cameraConfigString = JSONObject(cameraConfigJson)
        val detectionType = getCurrentDetectionType(cameraConfigString.optInt("detectionType"))
        val cameraId = cameraConfigString.getString("cameraId")
        return CameraConfig(cameraId = cameraId, detectionType = detectionType)
    }

    fun createNativeCameraViewProps(nativeCameraViewPropsJson: String): CameraProps {
        val cameraViewProps = JSONObject(nativeCameraViewPropsJson)
        val backgroundColor = if (cameraViewProps.has("backgroundColor")) {
            cameraViewProps.optString("backgroundColor")
        } else {
            "#00000050"
        }
        val shouldShowAnimation = cameraViewProps.getString("shouldShowAnimation").toBoolean()
        val cameraId = cameraViewProps.getString("cameraId")
        return CameraProps(cameraId, backgroundColor = backgroundColor)
    }

    private fun getCurrentDetectionType(detectionType: Number): DetectionType {
        return when (detectionType) {
            0 -> DetectionType.DOCUMENT
            1 -> DetectionType.PASSPORT
            2 -> DetectionType.BIOMETRIC_SELFIE
            3 -> DetectionType.NO_DETECTION
            else -> DetectionType.NO_DETECTION
        }
    }
}