package com.sw.dualscreen.utils

import android.content.Context
import android.graphics.Bitmap
import android.graphics.BitmapFactory
import android.net.Uri
import okhttp3.MediaType.Companion.toMediaTypeOrNull
import okhttp3.MultipartBody
import okhttp3.RequestBody
import java.io.File
import java.io.FileOutputStream
import java.io.InputStream

object ImageUtil {

    fun uriToBitmap(context: Context, uri: Uri): Bitmap? {
        return try {
            val options = BitmapFactory.Options()
            //options.inSampleSize = 2; // 这会将图片的尺寸缩小到原来的1/2
            options.inJustDecodeBounds  = false
//            options.inPreferredConfig = Bitmap.Config.ARGB_8888
            options.inPreferredConfig = Bitmap.Config.RGB_565
            context.contentResolver.openInputStream(uri)?.use { stream ->
                BitmapFactory.decodeStream(stream, null, options)
//                BitmapFactory.decodeStream(stream)
            }
            context.contentResolver.openInputStream(uri)?.use { stream ->
                BitmapFactory.decodeStream(stream)
            }
        } catch (e: Exception) {
            e.printStackTrace()
            null
        }
    }

    fun uriToMultipart(context: Context, uri: Uri, partName: String): MultipartBody.Part? {
        try {
            val contentResolver = context.contentResolver
            val inputStream: InputStream = contentResolver.openInputStream(uri) ?: return null

            // 临时文件（避免直接访问SAF文件）
            val tempFile = File.createTempFile("upload_", ".jpg", context.cacheDir)

            val outputStream = FileOutputStream(tempFile)
            inputStream.copyTo(outputStream)
            inputStream.close()
            outputStream.close()

            val requestFile = RequestBody.create("image/*".toMediaTypeOrNull(), tempFile)
            return MultipartBody.Part.createFormData(partName, tempFile.name, requestFile)
        } catch (e: Exception) {
            e.printStackTrace()
            return null
        }
    }
}