package com.docvcapture.view

import com.docvcapture.DocvSdkViewManagerSpec
import com.docvcapture.TruliooCaptureObject
import com.docvcapture.event.CaptureRegionChangedEvent
import com.facebook.react.bridge.ReactContext
import com.facebook.react.common.MapBuilder
import com.facebook.react.module.annotations.ReactModule
import com.facebook.react.uimanager.ThemedReactContext
import com.facebook.react.uimanager.UIManagerHelper
import com.facebook.react.uimanager.annotations.ReactProp
import com.facebook.react.uimanager.events.EventDispatcher

@ReactModule(name = DocvSdkViewManager.NAME)
class DocvSdkViewManager :
    DocvSdkViewManagerSpec<TruliooCameraCompose>() {

    private val truliooCapture = TruliooCaptureObject.getInstance()

    override fun getName(): String {
        return NAME
    }

    override fun getExportedCustomDirectEventTypeConstants(): MutableMap<String, Any>? =
        MapBuilder.builder<String, Any>()
            .put(CaptureRegionChangedEvent.EVENT_NAME, MapBuilder.of("registrationName", CaptureRegionChangedEvent.EVENT_NAME))
            .build()

    public override fun createViewInstance(context: ThemedReactContext): TruliooCameraCompose {
        return TruliooCameraCompose(context)
    }

    @ReactProp(name = "nativeCameraViewProps")
    override fun setNativeCameraViewProps(view: TruliooCameraCompose?, value: String?) {
        val cameraViewProps = TruliooCaptureObject.createNativeCameraViewProps(value!!)
        if (view !== null) {
            view.renderCameraComponent(cameraViewProps)
            sendCaptureRegionCoordinates(view)
        }
    }

    private fun sendCaptureRegionCoordinates(view: TruliooCameraCompose) {
        val reactContext = view.context as ReactContext
        val eventDispatcher: EventDispatcher? =
            UIManagerHelper.getEventDispatcherForReactTag(reactContext, view.id)
        val surfaceId = UIManagerHelper.getSurfaceId(reactContext)

        if (eventDispatcher !== null){
            eventDispatcher.dispatchEvent(
                CaptureRegionChangedEvent(
                    surfaceId,
                    view.id,
                    truliooCapture.getCoordinates().toJsonString()
                )
            )
        }
    }

    companion object {
        const val NAME = "DocvSdkView"
    }
}