coder
diff --git a/‎src/main/kotlin/com/coder/gateway/sdk/CoderCLIDownloader.kt
+18 b/‎src/main/kotlin/com/coder/gateway/sdk/CoderCLIDownloader.kt
+18
diff --git a/‎src/main/kotlin/com/coder/gateway/sdk/CoderCLIManager.kt
+72 b/‎src/main/kotlin/com/coder/gateway/sdk/CoderCLIManager.kt
+72
@@ -0,0 +1,18 @@
+package com.coder.gateway.sdk
+
+import java.io.InputStream
+import java.net.URL
+import java.nio.file.Files
+import java.nio.file.Path
+import java.nio.file.StandardCopyOption
+
+class CoderCLIDownloader {
+
+    fun downloadCLI(url: URL, outputName: String, ext: String): Path {
+        val tempPath: Path = Files.createTempFile(outputName, ext)
+        url.openStream().use {
+            Files.copy(it as InputStream, tempPath, StandardCopyOption.REPLACE_EXISTING)
+        }
+        return tempPath
+    }
+}
@@ -0,0 +1,72 @@
+package com.coder.gateway.sdk
+
+import java.net.URL
+import java.nio.file.Path
+
+class CoderCLIManager(private val url: URL) {
+    private val coderCLIDownloader = CoderCLIDownloader()
+
+    fun download(): Path? {
+        val os = getOS()
+        val cliName = getCoderCLIForOS(os, getArch()) ?: return null
+        val cliNameWitExt = if (os == OS.WINDOWS) "$cliName.exe" else cliName
+        return coderCLIDownloader.downloadCLI(URL(url.protocol, url.host, url.port, "/bin/$cliNameWitExt"), cliName, if (os == OS.WINDOWS) ".exe" else "")
+    }
+
+    private fun getCoderCLIForOS(os: OS?, arch: Arch?): String? {
+        if (os == null || arch == null) {
+            return null
+        }
+        return when (os) {
+            OS.WINDOWS -> when (arch) {
+                Arch.amd64 -> "coder-windows-amd64"
+                Arch.arm64 -> "coder-windows-arm64"
+                else -> null
+            }
+            OS.LINUX -> when (arch) {
+                Arch.amd64 -> "coder-linux-amd64"
+                Arch.arm64 -> "coder-linux-arm64"
+                Arch.armv7 -> "coder-linux-armv7"
+            }
+            OS.MAC -> when (arch) {
+                Arch.amd64 -> "coder-darwin-amd64"
+                Arch.arm64 -> "coder-darwin-arm64"
+                else -> null
+            }
+        }
+    }
+
+    private fun getOS(): OS? {
+        val os = System.getProperty("os.name").toLowerCase()
+        return when {
+            os.contains("win") -> {
+                OS.WINDOWS
+            }
+            os.contains("nix") || os.contains("nux") || os.contains("aix") -> {
+                OS.LINUX
+            }
+            os.contains("mac") -> {
+                OS.MAC
+            }
+            else -> null
+        }
+    }
+
+    private fun getArch(): Arch? {
+        val arch = System.getProperty("os.arch").toLowerCase()
+        return when {
+            arch.contains("amd64") -> Arch.amd64
+            arch.contains("arm64") -> Arch.arm64
+            arch.contains("armv7") -> Arch.armv7
+            else -> null
+        }
+    }
+}
+
+enum class OS {
+    WINDOWS, LINUX, MAC
+}
+
+enum class Arch {
+    amd64, arm64, armv7
+}