package com.xuqm.sdk.update

import android.content.Context
import android.content.Intent
import android.net.Uri
import androidx.core.content.FileProvider
import com.xuqm.sdk.XuqmSDK
import com.xuqm.sdk.file.FileSDK
import com.xuqm.sdk.core.ServiceEndpointRegistry
import com.xuqm.sdk.network.ApiClient
import com.xuqm.sdk.update.api.UpdateApi
import com.xuqm.sdk.update.model.UpdateInfo
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.withContext
import java.io.File

object UpdateSDK {

    private val api: UpdateApi get() = ApiClient.create(UpdateApi::class.java, ServiceEndpointRegistry.updateBaseUrl)

    private fun normalizeDownloadUrl(rawUrl: String?): String? {
        if (rawUrl.isNullOrBlank()) return rawUrl

        return runCatching {
            val uri = Uri.parse(rawUrl)
            if (uri.path?.startsWith("/files/apk/") == true) {
                "${uri.scheme}://${uri.authority}/api/v1/updates${uri.path}"
            } else {
                rawUrl
            }
        }.getOrDefault(rawUrl)
    }

    suspend fun checkAppUpdate(context: Context): UpdateInfo? = withContext(Dispatchers.IO) {
        XuqmSDK.requireInit()
        val versionCode = context.packageManager
            .getPackageInfo(context.packageName, 0).longVersionCode.toInt()
        runCatching {
            api.checkUpdate(XuqmSDK.appKey, "ANDROID", versionCode).data?.let {
                it.copy(downloadUrl = normalizeDownloadUrl(it.downloadUrl) ?: it.downloadUrl)
            }
        }.getOrNull()
    }

    suspend fun downloadAndInstall(
        context: Context,
        downloadUrl: String,
        onProgress: (Int) -> Unit = {},
    ) = withContext(Dispatchers.IO) {
        val apkFile = File(context.getExternalFilesDir(null), "update.apk")
        FileSDK.downloadToFile(downloadUrl, apkFile, onProgress)
        withContext(Dispatchers.Main) { installApk(context, apkFile) }
    }

    private fun installApk(context: Context, apkFile: File) {
        val intent = Intent(Intent.ACTION_VIEW).apply {
            flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_GRANT_READ_URI_PERMISSION
            val uri = FileProvider.getUriForFile(context, "${context.packageName}.fileprovider", apkFile)
            setDataAndType(uri, "application/vnd.android.package-archive")
        }
        context.startActivity(intent)
    }
}