import { getUniActivity } from "io.dcloud.uts.android";
import {
	ChooseImageOptions, ChooseImage,
	PreviewImageOptions, PreviewImage, PreviewImageSuccess,
	ClosePreviewImage, ClosePreviewImageSuccess, ClosePreviewImageOptions,
	GetImageInfo, GetImageInfoOptions, GetImageInfoSuccess,
	SaveImageToPhotosAlbum, SaveImageToPhotosAlbumOptions, SaveImageToPhotosAlbumSuccess,
	CompressImage, CompressImageOptions,
	ChooseVideo, ChooseVideoOptions,
	GetVideoInfo, GetVideoInfoOptions, GetVideoInfoSuccess,
	SaveVideoToPhotosAlbum, SaveVideoToPhotosAlbumOptions, SaveVideoToPhotosAlbumSuccess,
	CompressVideo, CompressVideoOptions,
} from "../interface.uts"
import {
	UniError_PreviewImage, UniError_GetImageInfo, UniError_SaveImageToPhotosAlbum, UniError_SaveVideoToPhotosAlbum,
	MediaErrorImpl
} from "../unierror.uts"
import { chooseMediaImage, chooseMediaVideo } from "./utils/ChooseMediaUtils.uts"
import { transcodeImage, transcodeVideo } from './utils/CompressUtils.uts'
import { getVideoMetadata } from "./utils/MediaUtils.uts"
import Intent from 'android.content.Intent';
import Manifest from 'android.Manifest';
import Build from 'android.os.Build';
import File from 'java.io.File';
import Uri from 'android.net.Uri';
import ArrayList from 'java.util.ArrayList';

import Glide from 'com.bumptech.glide.Glide';
import CustomTarget from 'com.bumptech.glide.request.target.CustomTarget';
import Drawable from 'android.graphics.drawable.Drawable';
import Transition from 'com.bumptech.glide.request.transition.Transition';
import ExifInterface from 'android.media.ExifInterface';
import BitmapFactory from 'android.graphics.BitmapFactory';
import TextUtils from 'android.text.TextUtils';
import FileInputStream from 'java.io.FileInputStream';
import FileOutputStream from 'java.io.FileOutputStream';
import Environment from 'android.os.Environment';
import LongClickEventManager from 'io.dcloud.uts.nativeObj.photoview.LongClickEventManager';
import JSONObject from 'org.json.JSONObject';
import ActivityManager from 'io.dcloud.uts.nativeObj.photoview.ActivityManager';
import MediaMetadataRetriever from 'android.media.MediaMetadataRetriever';
import MediaStore from 'android.provider.MediaStore';
import ContentValues from 'android.content.ContentValues';
import Exception from 'java.lang.Exception';
import InputStream from 'java.io.InputStream';
import BufferedInputStream from 'java.io.BufferedInputStream';
// import { actionSheetImpl, ShowActionSheetOptions, closeActionSheet } from "./showActionSheet.uts";


const mediaCachePath = UTSAndroid.getAppCachePath() + "uni-media/"

const ASSETS_PATH = '/android_asset/'
/**
 * 图片压缩目前采用原java代码压缩方式
 */


export const chooseImage : ChooseImage = function (option : ChooseImageOptions) {
	chooseMediaImage(option)
}

export const previewImage : PreviewImage = function (options : PreviewImageOptions) {
	if (options.urls.length > 0) {
		let values : ArrayList<String> = new ArrayList()
		let oroginalValues : ArrayList<String> = new ArrayList()
		options.urls.forEach((original) => {
			let localPath = original
			if (!localPath.startsWith("data:image") && !isNetPath(localPath)) {
				localPath = UTSAndroid.convert2AbsFullPath(localPath)
			}
			if (localPath.startsWith(ASSETS_PATH)) {
				localPath = localPath.replace(ASSETS_PATH, "")
			}
			
			values.add(localPath)
			oroginalValues.add(original)
		})
		let intent = new Intent()
		intent.setClassName(getUniActivity()!, "io.dcloud.uts.nativeObj.photoview.PhotoActivity");
		intent.putExtra("image_urlList", values);
		intent.putExtra("original_image_urlArray", oroginalValues)
		var current = 0;
		if (options.current != null) {
			try {
				current = (options.current!.toString()).toInt()
				if (current < 0) {
					current = 0
				}
			} catch (e) {

			}
		}
		intent.putExtra("image_current_index", current)
		intent.putExtra("image_loop", options.loop != null ? options.loop! : false);
		if (options.indicator != null) {
			intent.putExtra("image_indicator", options.indicator!);
		}
		intent.putExtra("image_photo", true);
		var callbackId = System.currentTimeMillis() + ":"
		intent.putExtra("preview_callback", callbackId);
		// uts目前无法支持嵌套方法，长按事件暂时不支持
		// LongClickEventManager.getInstance().addOnlongClickListener(callbackId, new LongClick(options))
		getUniActivity()!.startActivity(intent)
		let success : PreviewImageSuccess = { errMsg: 'ok', "errSubject": UniError_PreviewImage }
		options.success?.(success)
		options.complete?.(success)
	} else {
		let error = new MediaErrorImpl(1101002, UniError_PreviewImage);
		options.fail?.(error)
		options.complete?.(error)
	}
}

class LongClick implements LongClickEventManager.OnLongClickListener {
	options : PreviewImageOptions
	constructor(options : PreviewImageOptions) {
		this.options = options
	}
	override onLongClickListener(values : JSONObject) {
		var itemList : Array<string> | null = null
		var itemColor : string | null = null
		var hasLongPressAction = false;
		if (this.options.longPressActions != null && this.options.longPressActions!.itemList != null && this.options.longPressActions!.itemList!.length > 0) {
			itemList = this.options.longPressActions!.itemList!
			hasLongPressAction = true
		} else {
			itemList = ["保存"]
		}
		if (this.options.longPressActions != null && this.options.longPressActions!.itemColor != null) {
			itemColor = this.options.longPressActions!.itemColor!
		}
		// let actionOption : ShowActionSheetOptions = {
		// 	"itemList": itemList!,
		// 	"itemColor": itemColor == null ? "" : itemColor!,
		// 	success: (e) => {
		// 		if (hasLongPressAction) {
		// 			let success : LongPressActionsSuccessData = {
		// 				"index": values.optInt("index"),
		// 				"tapIndex": e.tapIndex!
		// 			}
		// 			this.options.longPressActions?.success?.(success)
		// 			this.options.longPressActions?.complete?.(success)
		// 			return
		// 		}
		// 		let saveOption : SaveImageToPhotosAlbumOptions = {
		// 			"filePath": values.optString("url"),
		// 			success: (e) => {
		// 				uni.showToast({
		// 					title: "uni.previewImage.save.success",
		// 					position: "bottom"
		// 				})
		// 			},
		// 			fail: (e) => {
		// 				uni.showToast({
		// 					title: "uni.previewImage.save.fail",
		// 					position: "bottom"
		// 				})
		// 			},
		// 			complete: (e) => {
		// 			}
		// 		}
		// 		loadFile(saveOption, false)
		// 	},
		// 	fail: (e) => {
		// 		if (hasLongPressAction) {
		// 			let fail = {
		// 				"errMsg": "user cancel"
		// 			}
		// 			this.options.longPressActions?.fail?.(fail)
		// 			this.options.longPressActions?.complete?.(fail)
		// 		}
		// 	}
		// }
		// let activity = ActivityManager.getInstance().getRunningActivity("io.dcloud.uts.nativeObj.photoview.PhotoActivity")
		// actionSheetImpl(activity, actionOption)
		// uni.showActionSheet()
	}
}

function isNetPath(url : string) : boolean {
	if (url.startsWith("http://") || url.startsWith("https://") || url.startsWith("rtmp://") || url.startsWith("rtsp://")) {
		return true;
	}
	return false;
}

export const closePreviewImage : ClosePreviewImage = function (options : ClosePreviewImageOptions) {
	// 可能存在执行关闭的时候 action sheet 正在显示
	// closeActionSheet()
	let activity = ActivityManager.getInstance().getRunningActivity("io.dcloud.uts.nativeObj.photoview.PhotoActivity")
	if (activity != null) {
		activity.onBackPressed()
	}
	let callback : ClosePreviewImageSuccess = {
		errMsg: "ok"
	}
	options.success?.(callback)
	options.complete?.(callback)
}

export const getImageInfo : GetImageInfo = function (options : GetImageInfoOptions) {
	if (isNetPath(options.src)) {
		Glide.with(getUniActivity()!).asFile().load(options.src).into(new ImageInfoTarget(options))
	} else {
		var path = ""
		if (options.src.length > 0) {
			path = UTSAndroid.convert2AbsFullPath(options.src)
			getExif(path, options, null)
		} else {
			let imageInfoCallback = new MediaErrorImpl(1101003, UniError_GetImageInfo);
			options.fail?.(imageInfoCallback)
			options.complete?.(imageInfoCallback)
		}
	}
}

class ImageInfoTarget extends CustomTarget<File> {
	options : GetImageInfoOptions

	constructor(options : GetImageInfoOptions) {
		super();
		this.options = options
	}

	override onResourceReady(resource : File, transition : Transition<KotlinVarianceAnnotationIn<File>> | null) {
		let bitmapOption = new BitmapFactory.Options();
		bitmapOption.inJustDecodeBounds = true;
		BitmapFactory.decodeFile(resource.getPath(), bitmapOption)
		let mimeType : string = bitmapOption.outMimeType
		if (!TextUtils.isEmpty(mimeType) && mimeType.contains("/")) {
			mimeType = mimeType.substring(mimeType.indexOf("/") + 1)
		}
		// 拼接保存路径
		let path = mediaCachePath + System.currentTimeMillis()
		if (!TextUtils.isEmpty(mimeType)) {
			path += "." + mimeType
		} else {
			path += ".jpg"
		}
		if (copyFile(resource.getPath(), path)) {
			getExif(path, this.options, bitmapOption)
		} else {
			let imageInfoCallback = new MediaErrorImpl(1101004, UniError_GetImageInfo);
			this.options.fail?.(imageInfoCallback)
			this.options.complete?.(imageInfoCallback)
		}
	}

	override onLoadCleared(placeholder : Drawable | null) {
	}

	override onLoadFailed(errorDrawable : Drawable | null) {
		let imageInfoCallback = new MediaErrorImpl(1101004, UniError_GetImageInfo);
		this.options.fail?.(imageInfoCallback)
		this.options.complete?.(imageInfoCallback)
	}
}

function getExif(src : string, options : GetImageInfoOptions, bitmapOption : BitmapFactory.Options | null) {
	var exifInfo : ExifInterface | null = null
	if (src.startsWith(ASSETS_PATH)) {
		exifInfo = new ExifInterface(UTSAndroid.getUniActivity()!.getAssets().open(src.replace(ASSETS_PATH, "")));
	} else if (new File(src).exists()) {
		exifInfo = new ExifInterface(src)
	} else {
		let imageInfoCallback = new MediaErrorImpl(1101003, UniError_GetImageInfo);
		options.fail?.(imageInfoCallback)
		options.complete?.(imageInfoCallback)
		return
	}
	try {
		if (bitmapOption == null) {
			bitmapOption = new BitmapFactory.Options();
			bitmapOption.inJustDecodeBounds = true;
			BitmapFactory.decodeFile(src, bitmapOption)
		}
		let width = bitmapOption!.outWidth
		let height = bitmapOption!.outHeight
		let mimeType : string = bitmapOption!.outMimeType
		if (!TextUtils.isEmpty(mimeType) && mimeType.contains("/")) {
			mimeType = mimeType.substring(mimeType.indexOf("/") + 1)
		}
		let orientation = exifInfo.getAttribute(ExifInterface.TAG_ORIENTATION);
		let orientationStr = ""
		switch (orientation) {
			case "2":
				orientationStr = "up-mirrored";
				break;
			case "3":
				orientationStr = "down";
				break;
			case "4":
				orientationStr = "down-mirrored";
				break;
			case "5":
				orientationStr = "left-mirrored";
				break;
			case "6":
				orientationStr = "right";
				break;
			case "7":
				orientationStr = "right-mirrored";
				break;
			case "8":
				orientationStr = "left";
				break;
			case "0":
			case "1":
			default:
				orientationStr = "up";
				break;
		}
		let imageInfoCallback : GetImageInfoSuccess = {
			"width": width,
			"height": height,
			"path": "file://" + src,
			"orientation": orientationStr,
			"type": TextUtils.isEmpty(mimeType) ? "unknown" : mimeType
		}
		options.success?.(imageInfoCallback)
		options.complete?.(imageInfoCallback)
	} catch (e : Exception) {
		let imageInfoCallback = new MediaErrorImpl(1101010, UniError_GetImageInfo);
		options.fail?.(imageInfoCallback)
		options.complete?.(imageInfoCallback)
	}
}


function copyFile(fromFilePath : string, toFilePath : string) : boolean {
	var fis : InputStream | null = null
	try {
		if (fromFilePath.startsWith(ASSETS_PATH)) {
			fis = UTSAndroid.getUniActivity()!.getAssets().open(fromFilePath.replace(ASSETS_PATH, ""));
		} else {
			let fromFile = new File(fromFilePath)
			if (!fromFile.exists()) {
				return false;
			}
			if (!fromFile.isFile()) {
				return false
			}
			if (!fromFile.canRead()) {
				return false;
			}
			fis = new FileInputStream(fromFile);
		}
		if (fis == null) {
			return false
		}
	} catch (e) {
		return false;
	}
	let toFile = new File(toFilePath)
	if (!toFile.getParentFile().exists()) {
		toFile.getParentFile().mkdirs()
	}
	if (!toFile.exists()) {
		toFile.createNewFile()
	}
	try {
		let fos = new FileOutputStream(toFile)
		let byteArrays = ByteArray(1024)
		var c = fis!!.read(byteArrays)
		while (c > 0) {
			fos.write(byteArrays, 0, c)
			c = fis!!.read(byteArrays)
		}
		fis!!.close()
		fos.close()
		return true
	} catch (e) {
		return false;
	}
}
export const saveImageToPhotosAlbum : SaveImageToPhotosAlbum = function (options : SaveImageToPhotosAlbumOptions) {
	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
		let requestPermissionList : Array<string> = [Manifest.permission.WRITE_EXTERNAL_STORAGE]
		UTSAndroid.requestSystemPermission(UTSAndroid.getUniActivity()!, requestPermissionList, (a : boolean, b : string[]) => {
			loadFile(options, true)
		}, (a : boolean, b : string[]) => {
			let error = new MediaErrorImpl(1101005, UniError_SaveImageToPhotosAlbum);
			options.fail?.(error)
			options.complete?.(error)
		})
	} else {
		loadFile(options, true)
	}
}

function loadFile(options : SaveImageToPhotosAlbumOptions, saveToAlbum : boolean) {
	if (isNetPath(options.filePath)) {
		Glide.with(getUniActivity()!).asFile().load(options.filePath).into(new SaveToAlbumTarget(options, saveToAlbum))
	} else {
		if (TextUtils.isEmpty(options.filePath)) {
			let error = new MediaErrorImpl(1101003, UniError_SaveImageToPhotosAlbum);
			options.fail?.(error)
			options.complete?.(error)
			return
		}
		let originalPath = UTSAndroid.convert2AbsFullPath(options.filePath)
		if (originalPath.startsWith(ASSETS_PATH)) { } else if (!new File(originalPath).exists()) {
			let error = new MediaErrorImpl(1101003, UniError_SaveImageToPhotosAlbum);
			options.fail?.(error)
			options.complete?.(error)
			return
		}
		let path = DCIM_PATH + originalPath.substring(originalPath.lastIndexOf("/") + 1)
		if (copyFileToPublicPath(originalPath, path, false)) {
			if (saveToAlbum) {
				sendSaveToAlbumBroad(path)
			}
			let success : SaveImageToPhotosAlbumSuccess = {
				"path": path
			}
			options.success?.(success)
			options.complete?.(success)
		} else {
			let error = new MediaErrorImpl(1101006, UniError_SaveImageToPhotosAlbum);
			options.fail?.(error)
			options.complete?.(error)
		}
	}
}

function getInputStream(fromFilePath:string):InputStream|null {
	var fis : InputStream | null = null
	try {
	if (fromFilePath.startsWith(ASSETS_PATH)) {
		fis = UTSAndroid.getUniActivity()!.getAssets().open(fromFilePath.replace(ASSETS_PATH, ""));
	} else {
		fis = new FileInputStream(fromFilePath)
	}
	} catch(e){
		
	}
	return fis
}

function copyFileToPublicPath(fromFilePath : string, toFilePath : string, isVideo : boolean) : boolean {
	if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
		try {
			return copyFile(fromFilePath, toFilePath)
		} catch (e) {
			return false
		}
	}
	if ((Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q && UTSAndroid.getUniActivity()!.getApplicationInfo().targetSdkVersion >= 29) || (Build.VERSION.SDK_INT >= 30)) {
		try {
			var fis = getInputStream(fromFilePath)
			if (fis == null) {
				return false
			}
			var mimeType : string | null = null
			if (isVideo) {
				var retriever = new MediaMetadataRetriever()
				retriever.setDataSource(fromFilePath)
				mimeType = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_MIMETYPE);
			} else {
				let opt = new BitmapFactory.Options();
				opt.inJustDecodeBounds = true;
				BitmapFactory.decodeStream(fis, null, opt)
				mimeType = opt.outMimeType;
				fis.close()
			}
			if (mimeType == null) {
				return false
			}
			var uri = MediaStore.Files.getContentUri(MediaStore.VOLUME_EXTERNAL)
			if (mimeType!.startsWith("image/")) {
				uri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI
			} else if (mimeType!.startsWith("video/")) {
				uri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI
			} else if (mimeType!.startsWith("audio/")) {
				uri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI
			}
			var resolver = UTSAndroid.getUniActivity()!.getContentResolver()
			var contentValue = new ContentValues()
			let fileName = fromFilePath.substring(fromFilePath.lastIndexOf("/") + 1)
			contentValue.put(MediaStore.Files.FileColumns.DISPLAY_NAME, fileName)
			contentValue.put(MediaStore.Files.FileColumns.MIME_TYPE, mimeType!)
			contentValue.put(MediaStore.Files.FileColumns.TITLE, fileName)
			contentValue.put(MediaStore.Images.Media.RELATIVE_PATH, "DCIM/Camera/")
			let insertUri = resolver.insert(uri, contentValue)
			if (insertUri == null) {
				return false
			}
			let fos = resolver.openOutputStream(insertUri)
			if (fos == null) {
				return false
			}
			fis = getInputStream(fromFilePath)
			if(fis == null) {
				return false
			}
			var byteArrays = ByteArray(102400 * 2)
			var c = fis!.read(byteArrays)
			while (c > 0) {
				fos!.write(byteArrays, 0, c)
				c = fis!.read(byteArrays)
			}
			fos!.close()
			fis!.close()
			return true
		} catch (e : Exception) {
			e.printStackTrace();
			return false
		}
	} else {
		try {
			return copyFile(fromFilePath, toFilePath)
		} catch (e) {
			return false
		}
	}
}

function sendSaveToAlbumBroad(src : string) {
	let intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, Uri.parse("file://" + src))
	getUniActivity()!.sendBroadcast(intent)
}

let DCIM_PATH = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM).getAbsolutePath() + "/Camera/"
class SaveToAlbumTarget extends CustomTarget<File> {
	options : SaveImageToPhotosAlbumOptions
	saveToAlbum : boolean
	constructor(options : SaveImageToPhotosAlbumOptions, saveToAlbum : boolean) {
		super();
		this.options = options
		this.saveToAlbum = saveToAlbum
	}

	override onResourceReady(resource : File, transition : Transition<KotlinVarianceAnnotationIn<File>> | null) {
		let bitmapOption = new BitmapFactory.Options();
		bitmapOption.inJustDecodeBounds = true;
		BitmapFactory.decodeFile(resource.getPath(), bitmapOption)
		let mimeType : string | null = bitmapOption.outMimeType
		if (!TextUtils.isEmpty(mimeType) && mimeType!.contains("/")) {
			mimeType = mimeType!.substring(mimeType!.indexOf("/") + 1)
		}

		// 拼接保存路径
		let path = DCIM_PATH + System.currentTimeMillis()
		if (!TextUtils.isEmpty(mimeType)) {
			path += "." + mimeType
		} else {
			path += ".jpg"
		}
		if (copyFileToPublicPath(resource.getPath(), path, false)) {
			if (this.saveToAlbum) {
				sendSaveToAlbumBroad(path)
			}
			let success : SaveImageToPhotosAlbumSuccess = {
				"path": path
			}
			this.options.success?.(success)
			this.options.complete?.(success)
		} else {
			let imageInfoCallback = new MediaErrorImpl(1101004, UniError_SaveImageToPhotosAlbum);
			this.options.fail?.(imageInfoCallback)
			this.options.complete?.(imageInfoCallback)
		}
	}

	override onLoadCleared(placeholder : Drawable | null) {
	}

	override onLoadFailed(errorDrawable : Drawable | null) {
		let imageInfoCallback = new MediaErrorImpl(1101004, UniError_SaveImageToPhotosAlbum);
		this.options.fail?.(imageInfoCallback)
		this.options.complete?.(imageInfoCallback)
	}
}

export const compressImage : CompressImage = function (options : CompressImageOptions) {
	transcodeImage(options)
}

export const chooseVideo : ChooseVideo = function (options : ChooseVideoOptions) {
	chooseMediaVideo(options)
}


export const getVideoInfo : GetVideoInfo = function (options : GetVideoInfoOptions) {
	let result = getVideoMetadata(options.src)
	if (result instanceof GetVideoInfoSuccess) {
		options.success?.(result as GetVideoInfoSuccess)
	} else if (result instanceof MediaErrorImpl)
		options.fail?.(result as MediaErrorImpl)
	options.complete?.(result)
}


export const saveVideoToPhotosAlbum : SaveVideoToPhotosAlbum = function (options : SaveVideoToPhotosAlbumOptions) {
	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
		let requestPermissionList : Array<string> = [Manifest.permission.WRITE_EXTERNAL_STORAGE];
		UTSAndroid.requestSystemPermission(UTSAndroid.getUniActivity()!, requestPermissionList, (a : boolean, b : string[]) => {
			loadFile(options);
		}, (a : boolean, b : string[]) => {
			let error = new MediaErrorImpl(1101005, UniError_SaveVideoToPhotosAlbum);
			options.fail?.(error);
			options.complete?.(error);
		})
	} else {
		loadFile(options);
	}
}

function loadFile(options : SaveVideoToPhotosAlbumOptions) {
	if (TextUtils.isEmpty(options.filePath)) {
		let error = new MediaErrorImpl(1101003, UniError_SaveVideoToPhotosAlbum);
		options.fail?.(error)
		options.complete?.(error)
		return
	}
	let originalPath = UTSAndroid.convert2AbsFullPath(options.filePath)
	if (originalPath.startsWith(ASSETS_PATH)) {
		originalPath = originalPath.replace(ASSETS_PATH, "")
	}
	if (!new File(originalPath).exists()) {
		let error = new MediaErrorImpl(1101003, UniError_SaveVideoToPhotosAlbum);
		options.fail?.(error)
		options.complete?.(error)
		return
	}
	let path = DCIM_PATH + originalPath.substring(originalPath.lastIndexOf("/") + 1)
	if (copyFileToPublicPath(originalPath, path, true)) {
		sendSaveToAlbumBroad(path)
		let success : SaveVideoToPhotosAlbumSuccess = {
			// "path": path
		}
		options.success?.(success)
		options.complete?.(success)
	} else {
		let error = new MediaErrorImpl(1101006, UniError_SaveVideoToPhotosAlbum);
		options.fail?.(error)
		options.complete?.(error)
	}
}

export const compressVideo : CompressVideo = function (options : CompressVideoOptions) {
	transcodeVideo(options)
}