make a bit more resilient

config.nims

@@ -1 +1,5 @@
 setCommand "cpp"
+when defined(windows):
+    switch("passL", "-static")
+switch("define", "ssl")
+switch("app", "gui")

src/magicmissile.nim

@@ -1,5 +1,3 @@
-# Copyright 2018, NimGL contributors.
-
 import nimgl/imgui, nimgl/imgui/[impl_opengl, impl_glfw]
 import nimgl/[opengl, glfw]
 import std/[times, os, math, asyncdispatch, httpclient, strformat, strutils, paths, dirs, osproc]
@@ -67,11 +65,32 @@ proc mergeDirectory(source, dest: string) =
   for file in walkDirRec(source, {PathComponent.pcFile}, relative=true):
     copyFile($(source.Path / file.Path), $(dest.Path / file.Path))
 
-
+proc extractClient(zipPath: string, version: string) {.async.} =
-proc getClient() {.async.} =
   removeDir("client")
   # clean up versioned files
   removeDir(unixToNativePath("client") / "lib")
+  superUnsafeSet(clientStatus, "Client: extracting...", 255)
+  await sleepAsync(10)
+  ziparchives.extractAll(zipPath, cache / "client")
+  ziparchives.extractAll(cache / "client" / "mage-client.zip", clientDir)
+  superUnsafeSet(clientStatus, "Client: good to go", 255)
+
+  mergeDirectory(clientDir / "sounds", userDir / "sounds")
+  mergeDirectory(clientDir / "sample-decks", userDir / "sample-decks")
+  mergeDirectory(clientDir / "backgrounds", userDir / "backgrounds")
+
+  clientExists = true
+  writeFile("version", version)
+  clientVersion = readFile("version")
+  removeFile(zipPath)
+
+
+mergeDirectory(clientDir / "sounds", userDir / "sounds")
+mergeDirectory(clientDir / "sample-decks", userDir / "sample-decks")
+mergeDirectory(clientDir / "backgrounds", userDir / "backgrounds")
+
+
+proc getClient() {.async.} =
   downloadingClient = true
   var client = newAsyncHttpClient(headers=headers, maxRedirects=0)
   var baseUrl = await getFoulUrl()
@@ -83,27 +102,13 @@ proc getClient() {.async.} =
 
   try:
     await client.downloadFile(url, path)
+  except CatchableError as e:
+    echo e.msg
   finally:
     client.close()
+  await extractClient(path, baseUrl.split("/")[^1])
 
 
-  superUnsafeSet(clientStatus, "Client: extracting...", 255)
-  ziparchives.extractAll(path, cache / "client")
-  ziparchives.extractAll(cache / "client" / "mage-client.zip", clientDir)
-  superUnsafeSet(clientStatus, "Client: good to go", 255)
-
-  mergeDirectory(clientDir / "sounds", userDir / "sounds")
-  mergeDirectory(clientDir / "sample-decks", userDir / "sample-decks")
-  mergeDirectory(clientDir / "backgrounds", userDir / "backgrounds")
-
-  clientExists = true
-  writeFile("version", baseUrl.split("/")[^1])
-
-
-mergeDirectory(clientDir / "sounds", userDir / "sounds")
-mergeDirectory(clientDir / "sample-decks", userDir / "sample-decks")
-mergeDirectory(clientDir / "backgrounds", userDir / "backgrounds")
-
 proc onJavaChange(total, progress, speed: BiggestInt) {.async.} =
   {.cast(gcsafe).}:
     var status = &"{(progress / 1000).int}K/{(total / 1000).int}k ({speed div 1000} kbps)"
@@ -148,13 +153,19 @@ proc checkForUpdates() {.async.} =
   defer:
     checkingForUpdate = false
   if fileExists("version"):
-    clientVersion = await getFoulVersion()
+    clientVersion = readFile("version")
+    try:
+      var version = await getFoulVersion()
+      if clientVersion == version:
+        superUnsafeSet(clientStatus, "Client: good to go", 255)
+      else:
+        superUnsafeSet(clientStatus, "Client: needs update", 255)
+        clientExists = false
+    except:
+      superUnsafeSet(clientStatus, "Client: no internet?", 255)
+      clientExists = true
+    
 
-    if readFile("version") == clientVersion:
-      superUnsafeSet(clientStatus, "Client: good to go", 255)
-    else:
-      superUnsafeSet(clientStatus, "Client: needs update", 255)
-      clientExists = false
   else:
     superUnsafeSet(clientStatus, "Client: needs download", 255)
     clientExists = false
@@ -197,6 +208,7 @@ proc main() =
     superUnsafeSet(javaBuf, readFile("javaArgs"), 2048)
   else:
     superUnsafeSet(javaBuf, "-Xmx1024m -Dfile.encoding=UTF-8 -Djava.net.preferIPv4Stack=true", 2048)
+    writeFile("javaArgs", "-Xmx1024m -Dfile.encoding=UTF-8 -Djava.net.preferIPv4Stack=true")
 
   while not w.windowShouldClose:
     frameTimer = cpuTime() + 0.016
@@ -235,19 +247,22 @@ proc main() =
 
     igText("Client version:")
     igSameLine()
-    igText(clientVersion)
+    igText(clientVersion.cstring)
 
-    if clientExists and javaExists:
+    if javaExists:
       igText("Java args:")
       igSameLine()
       igPushItemWidth(211)
-      igInputText("", javaBuf, 2048)
+      igInputText("", javaBuf.cstring, 2048)
 
-      if igButton("Run", ImVec2(x: 288, y: 0)):
+      if igButton(if clientExists: "Run" else: "Force Run", ImVec2(x: 288, y: 0)):
         w.hideWindow()
         var command = absolutePath(javaDir / "bin" / "java") & " " & (javaBuf.strip(chars={'\x00'}).split(" ") & @["-jar", absolutePath(getJarPath())]).join(" ")
         var process = execCmdEx(command, workingDir=userDir)
+        writeFile("javaArgs", javaBuf)
         w.showWindow()
+      if os.fileExists("client.zip") and igButton("Manual Update", ImVec2(x: 288, y: 0)):
+        asyncCheck extractClient("client.zip", "[manual install]")
     igEnd()
     # End simple window