package io.scanbot.sdk.reactnative

import android.app.Activity
import android.content.Intent
import com.facebook.react.bridge.ActivityEventListener
import com.facebook.react.bridge.Promise
import com.facebook.react.bridge.ReactApplicationContext
import com.facebook.react.bridge.ReactContextBaseJavaModule
import com.facebook.react.bridge.ReactMethod
import com.facebook.react.bridge.ReadableMap
import com.facebook.react.modules.core.DeviceEventManagerModule
import io.scanbot.sdk.reactnative.extensions.toJSON
import io.scanbot.sdk.reactnative.extensions.toWritableMap
import io.scanbot.sdk_wrapper.document.rtuui.SBDRtuUi
import org.json.JSONObject


class ScanbotSDKUIModule(reactContext: ReactApplicationContext) :
    ReactContextBaseJavaModule(reactContext), ActivityEventListener {

    companion object {
        const val NAME = "RNScanbotRTUUI"
        const val BARCODE_ITEM_MAPPER_EVENT = "barcodeItemMapperEvent"
    }

    override fun getName(): String {
        return NAME
    }

    override fun initialize() {
        super.initialize()

        reactApplicationContext?.addActivityEventListener(this)
    }

    override fun invalidate() {
        reactApplicationContext?.removeActivityEventListener(this)

        super.invalidate()
    }

    @ReactMethod
    fun startDocumentScanner(configuration: ReadableMap, promise: Promise) =
        runOperationWithSafeActivity(promise) {
            SBDRtuUi.startDocumentScanner(
                it, configuration.toJSON(), ScanbotSDKPluginResultDelegate(promise)
            )
        }

    @ReactMethod
    fun startCroppingScreen(configuration: ReadableMap, promise: Promise) =
        runOperationWithSafeActivity(promise) {
            SBDRtuUi.startCroppingScreen(
                it, configuration.toJSON(), ScanbotSDKPluginResultDelegate(promise)
            )
        }

    @ReactMethod
    fun startMrzScanner(configuration: ReadableMap, promise: Promise) =
        runOperationWithSafeActivity(promise) {
            SBDRtuUi.startMrzScanner(
                it, configuration.toJSON(), ScanbotSDKPluginResultDelegate(promise)
            )
        }

    @ReactMethod
    fun startTextPatternScanner(configuration: ReadableMap, promise: Promise) =
        runOperationWithSafeActivity(promise) {
            SBDRtuUi.startTextPatternScanner(
                it, configuration.toJSON(), ScanbotSDKPluginResultDelegate(promise)
            )
        }

    @ReactMethod
    fun startCreditCardScanner(configuration: ReadableMap, promise: Promise) =
        runOperationWithSafeActivity(promise) {
            SBDRtuUi.startCreditCardScanner(
                it, configuration.toJSON(), ScanbotSDKPluginResultDelegate(promise)
            )
        }

    @ReactMethod
    fun startCheckScanner(configuration: ReadableMap, promise: Promise) =
        runOperationWithSafeActivity(promise) {
            SBDRtuUi.startCheckScanner(
                it, configuration.toJSON(), ScanbotSDKPluginResultDelegate(promise)
            )
        }

    @ReactMethod
    fun startDDEScreen(configuration: ReadableMap, promise: Promise) =
        runOperationWithSafeActivity(promise) {
            SBDRtuUi.startDocumentDataExtractor(
                it, configuration.toJSON(), ScanbotSDKPluginResultDelegate(promise)
            )
        }

    @ReactMethod
    fun startVinScanner(configuration: ReadableMap, promise: Promise) =
        runOperationWithSafeActivity(promise) {
            SBDRtuUi.startVinScanner(
                it, configuration.toJSON(), ScanbotSDKPluginResultDelegate(promise)
            )
        }

    @ReactMethod
    fun startBarcodeScanner(
        configuration: ReadableMap, barcodeItemMapperImplemented: Boolean, promise: Promise
    ) = runOperationWithSafeActivity(promise) {
        if (barcodeItemMapperImplemented) {
            SBDRtuUi.startBarcodeScanner(
                it, configuration.toJSON(), ScanbotSDKPluginResultDelegate(promise)
            ) { barcodeItemAsJson: JSONObject ->

                reactApplicationContextIfActiveOrWarn?.getJSModule(
                    DeviceEventManagerModule.RCTDeviceEventEmitter::class.java
                )?.emit(BARCODE_ITEM_MAPPER_EVENT, barcodeItemAsJson.toWritableMap())
            }
        } else {
            SBDRtuUi.startBarcodeScanner(
                it, configuration.toJSON(), ScanbotSDKPluginResultDelegate(promise)
            )
        }
    }

    @ReactMethod
    fun onBarcodeItemMapper(barcodeItemUuid: String, barcodeMappedData: ReadableMap?) {
        SBDRtuUi.onBarcodeItemMapper(barcodeItemUuid, barcodeMappedData?.toJSON())
    }

    override fun onActivityResult(
        activity: Activity, requestCode: Int, resultCode: Int, data: Intent?
    ) {
        SBDRtuUi.onActivityResult(requestCode, resultCode, data)
    }

    override fun onNewIntent(data: Intent) {
        // NO-OP
    }

    @Suppress("UNUSED_PARAMETER")
    @ReactMethod
    fun addListener(type: String) {
        // Keep: Required for RN built in Event Emitter Calls, otherwise warnings are thrown in the console log.
    }

    @Suppress("UNUSED_PARAMETER")
    @ReactMethod
    fun removeListeners(type: Int) {
        // Keep: Required for RN built in Event Emitter Calls, otherwise warnings are thrown in the console log.
    }

    //region Helpers

    private fun runOperationWithSafeActivity(
        promise: Promise, operation: (currentActivity: Activity) -> Unit
    ) {
        reactApplicationContext?.currentActivity?.let {
            operation(it)
        } ?: run {
            promise.reject(Exception("$NAME is not attached to activity"))
        }
    }

    //endregion Helpers
}