package com.dynamsoft.reactnativelib.basicutils

import android.content.Context
import android.graphics.Point
import android.graphics.Rect
import android.graphics.drawable.Drawable
import androidx.appcompat.content.res.AppCompatResources
import com.dynamsoft.core.basic_structures.DSRect
import com.dynamsoft.dce.CameraView
import com.facebook.react.bridge.Arguments
import com.facebook.react.bridge.ReadableMap
import com.facebook.react.bridge.ReadableType
import com.facebook.react.bridge.WritableMap


fun ReadableMap.toRect() = Rect().apply {
    left = if (hasKey("x")) getInt("x") else left
    top = if (hasKey("y")) getInt("y") else top
    right = (if (hasKey("width")) getInt("width") else 0) + left
    bottom = (if (hasKey("height")) getInt("height") else 0) + top
}

fun ReadableMap.toScanRegion() = DSRect().apply {
    top = if (hasKey("top")) getDouble("top").toFloat() else top
    bottom = if (hasKey("bottom")) getDouble("bottom").toFloat() else bottom
    left = if (hasKey("left")) getDouble("left").toFloat() else left
    right = if (hasKey("right")) getDouble("right").toFloat() else right
    if (hasKey("measuredInPercentage")) {
        when (getType("measuredInPercentage")) {
            ReadableType.Number -> measuredInPercentage = getInt("measuredInPercentage") != 0
            ReadableType.Boolean -> measuredInPercentage = getBoolean("measuredInPercentage")
            else -> {/*keep*/
            }
        }
    }
}

fun Rect.toWritableMap(): WritableMap = Arguments.createMap().apply {
    top.let { putInt("y", it) }
    left.let { putInt("x", it) }
    width().let { putInt("width", it) }
    height().let { putInt("height", it) }
}

fun DSRect.toWritableMap(): WritableMap = Arguments.createMap().apply {
    putDouble("top", this@toWritableMap.top.toDouble())
    putDouble("bottom", this@toWritableMap.bottom.toDouble())
    putDouble("left", this@toWritableMap.left.toDouble())
    putDouble("right", this@toWritableMap.right.toDouble())
    putBoolean("measuredInPercentage", this@toWritableMap.measuredInPercentage)
}

fun ReadableMap.toTorchButtonState(): CameraViewButtonState {
    val rect = if (hasKey("location")) getMap("location")!!.toRect() else Rect(25,100,70,145)
    val visible = if (hasKey("visible")) getBoolean("visible") else null
    val torchOnImageBase64 = if (hasKey("torchOnImageBase64")) getString("torchOnImageBase64") else null
    val torchOffImageBase64 = if (hasKey("torchOffImageBase64")) getString("torchOffImageBase64") else null
    return CameraViewButtonState(rect, visible, torchOnImageBase64, torchOffImageBase64)
}

fun ReadableMap.toCameraToggleButtonState(): CameraViewButtonState {
    val rect = if (hasKey("location")) getMap("location")!!.toRect() else Rect(25,100,70,145)
    val visible = if (hasKey("visible")) getBoolean("visible") else false
    val cameraImageBase64 = if (hasKey("cameraToggleImageBase64")) getString("cameraToggleImageBase64") else null
    return CameraViewButtonState(rect, visible, cameraBase64 = cameraImageBase64)
}

fun CameraView.setTorchButtonState(torchButtonState: CameraViewButtonState) {
    setTorchButton(
        torchButtonState.getLeftTopPoint(), torchButtonState.getWidth(), torchButtonState.getHeight(),
        torchButtonState.getTouchOnDrawable(context), torchButtonState.getTouchOffDrawable(context)
    )
    torchButtonState.visible?.apply {
        torchButtonVisible = this
    }
}

fun CameraView.setCameraToggleButtonState(cameraToggleButtonState: CameraViewButtonState) {
    setCameraToggleButton(
        cameraToggleButtonState.getLeftTopPoint(), cameraToggleButtonState.getWidth(), cameraToggleButtonState.getHeight(),
        cameraToggleButtonState.getCameraToggleDrawable(context)
    )
}

class CameraViewButtonState(
    val location: Rect,
    val visible: Boolean? = null,
    val touchOnBase64: String? = null,
    val touchOffBase64: String? = null,
    val cameraBase64: String? = null,
) {
    fun getLeftTopPoint() = Point(location.left, location.top)
    fun getWidth() = location.width()
    fun getHeight() = location.height()

    fun getTouchOnDrawable(context: Context): Drawable {
        return base64ToDrawable(touchOnBase64, context.resources!!) ?: AppCompatResources.getDrawable(
            context,
            com.dynamsoft.R.drawable.icon_flash_on
        )!!
    }

    fun getTouchOffDrawable(context: Context): Drawable {
        return base64ToDrawable(touchOffBase64, context.resources!!) ?: AppCompatResources.getDrawable(
            context,
            com.dynamsoft.R.drawable.icon_flash_off
        )!!
    }

    fun getCameraToggleDrawable(context: Context): Drawable {
        return base64ToDrawable(cameraBase64, context.resources!!) ?: AppCompatResources.getDrawable(context, com.dynamsoft.R.drawable.icon_turn_camera)!!
    }

    override fun toString(): String {
        return "CameraViewButtonState(location=$location, visible=$visible, touchOnBase64=$touchOnBase64, touchOffBase64=$touchOffBase64)"
    }
}