Refactor to a better layout for the future.

config/settings.go

@@ -22,37 +22,35 @@ type Config struct {
   StartingHP int
 
   ConfigPath string
-  BuildRunning bool
+
   TriggerRegex []*regexp.Regexp
   IncludeRegex []*regexp.Regexp
-
-  HP int
-  Errors int
 }
 
-var Settings Config
 
 func ParseFlags(c *Config) {
   flag.StringVar(&c.ConfigPath, "config", ".ttarpit.json",  ".ttarpit.json to load")
   flag.Parse()
 }
 
-func Load() {
-  ParseFlags(&Settings)
+func Load() Config {
+  var settings Config
+
+  ParseFlags(&settings)
 
-  data, err := os.ReadFile(Settings.ConfigPath)
+  data, err := os.ReadFile(settings.ConfigPath)
   if err != nil { log.Fatal(err) }
 
-  err = json.Unmarshal(data, &Settings)
+  err = json.Unmarshal(data, &settings)
   if err != nil { log.Fatal(err) }
 
-  for _, reg := range Settings.Triggers {
-    Settings.TriggerRegex = append(Settings.TriggerRegex, regexp.MustCompile(reg))
+  for _, reg := range settings.Triggers {
+    settings.TriggerRegex = append(settings.TriggerRegex, regexp.MustCompile(reg))
   }
 
-  for _, reg := range Settings.Includes {
-    Settings.IncludeRegex = append(Settings.IncludeRegex, regexp.MustCompile(reg))
+  for _, reg := range settings.Includes {
+    settings.IncludeRegex = append(settings.IncludeRegex, regexp.MustCompile(reg))
   }
 
-  Settings.HP = Settings.StartingHP
+  return settings
 }

main.go

@@ -25,7 +25,24 @@ type ErrInfo struct {
   Message string
 }
 
-func ParseErrInfo(line string, reg *regexp.Regexp) (ErrInfo, bool) {
+type Game struct {
+  settings config.Config 
+
+  BuildRunning bool
+  HP int
+  Errors int
+}
+
+func MakeGame(settings config.Config) *Game {
+  game := new(Game)
+
+  game.settings = settings
+  game.HP = settings.StartingHP
+
+  return game
+}
+
+func (game *Game) ParseErrInfo(line string, reg *regexp.Regexp) (ErrInfo, bool) {
   var info ErrInfo
 
   matches := reg.FindStringSubmatch(line)
@@ -50,28 +67,33 @@ func ParseErrInfo(line string, reg *regexp.Regexp) (ErrInfo, bool) {
   return info, true
 }
 
-func LaunchLogger(in io.Reader, out io.Writer, err error) {
+func (game *Game) TakeHit(errinfo ErrInfo) {
+  fmt.Println("!!!!!!!!!!!!!!!!!", errinfo)
+  game.Errors++
+  game.HP--
+}
+
+func (game *Game) LaunchLogger(in io.Reader, out io.Writer, err error) {
   if err != nil { log.Fatal(err) }
 
   go func() {
     scan := bufio.NewScanner(in)
 
     for scan.Scan() {
-      for _, reg := range config.Settings.TriggerRegex {
+      for _, reg := range game.settings.TriggerRegex {
         line := scan.Text()
 
-        errinfo, ok := ParseErrInfo(line, reg)
+        errinfo, ok := game.ParseErrInfo(line, reg)
+
         if ok {
-          fmt.Println("!!!!!!!!!!!!!!!!!", errinfo)
-          config.Settings.Errors++
-          config.Settings.HP--
+          game.TakeHit(errinfo)
         }
       }
     }
   }()
 }
 
-func LaunchProcess(proc *config.Process) {
+func (game *Game) LaunchProcess(proc *config.Process) {
   proc.ExecCmd = exec.Command(proc.Command, proc.Args...)
   if errors.Is(proc.ExecCmd.Err, exec.ErrDot) {
     proc.ExecCmd.Err = nil
@@ -80,10 +102,10 @@ func LaunchProcess(proc *config.Process) {
   fmt.Println("STARTING", proc.Command)
 
   stderr, err := proc.ExecCmd.StderrPipe();
-  LaunchLogger(stderr, os.Stdout, err)
+  game.LaunchLogger(stderr, os.Stdout, err)
 
   stdout, err := proc.ExecCmd.StdoutPipe();
-  LaunchLogger(stdout, os.Stdout, err)
+  game.LaunchLogger(stdout, os.Stdout, err)
 
   err = proc.ExecCmd.Start()
   if err != nil {
@@ -96,10 +118,11 @@ func LaunchProcess(proc *config.Process) {
   fmt.Println("PROCESS", proc.Command, "EXITED")
 }
 
-func MatchesPath(fp string) bool {
+
+func (game *Game) MatchesPath(fp string) bool {
   fp = filepath.ToSlash(fp)
 
-  for _, reg := range config.Settings.IncludeRegex {
+  for _, reg := range game.settings.IncludeRegex {
     matches := reg.MatchString(fp)
 
     if matches {
@@ -110,25 +133,37 @@ func MatchesPath(fp string) bool {
   return false
 }
 
-func RunBuild() {
-  if !config.Settings.BuildRunning {
-    config.Settings.BuildRunning = true
-    defer func(){config.Settings.BuildRunning = false}()
+func (game *Game) BeginBuild() bool {
+  if !game.BuildRunning {
+    game.BuildRunning = true
+    return true
+  } else {
+    return false
+  }
+}
 
-    fmt.Println("CONFIG:", config.Settings.ConfigPath)
-    fmt.Println("COMMANDs:", config.Settings.Processes)
+func (game *Game) EndBuild() {
+  game.BuildRunning = false
+}
+
+func (game *Game) RunBuild() {
+  if game.BeginBuild() {
+    defer game.EndBuild() 
+
+    fmt.Println("CONFIG:", game.settings.ConfigPath)
+    fmt.Println("COMMANDs:", game.settings.Processes)
 
-    for name, proc := range config.Settings.Processes {
+    for name, proc := range game.settings.Processes {
       fmt.Println("PROCESS:", name)
 
-      LaunchProcess(&proc)
+      game.LaunchProcess(&proc)
       fmt.Println("============== PROCESS EXIT")
       fmt.Printf("==== HP: %d  Errors: %d =====\n",
-        config.Settings.HP, config.Settings.Errors)
+        game.HP, game.Errors)
 
-      if config.Settings.HP <= 0 {
+      if game.HP <= 0 {
         fmt.Println("!!!!!! YOU DIED !!!!!!!")
-        config.Settings.HP = config.Settings.StartingHP
+        game.HP = game.settings.StartingHP
       }
 
       fmt.Println("===========================")
@@ -140,7 +175,7 @@ func RunBuild() {
   }
 }
 
-func AddWatchDir(watcher *fsnotify.Watcher, name string) error {
+func (game *Game) AddWatchDir(watcher *fsnotify.Watcher, name string) error {
   return filepath.WalkDir(name,
   func(path string, d fs.DirEntry, err error) error {
     if err != nil {
@@ -161,7 +196,7 @@ func AddWatchDir(watcher *fsnotify.Watcher, name string) error {
   })
 }
 
-func WatchDir() {
+func (game *Game) WatchDir() {
   watcher, err := fsnotify.NewWatcher()
   if err != nil {
     log.Fatal("Failed to start fsnotify", err)
@@ -178,11 +213,11 @@ func WatchDir() {
 
         if event.Has(fsnotify.Create) {
           log.Println("---> CREATE", event.Name)
-          AddWatchDir(watcher, event.Name)
+          game.AddWatchDir(watcher, event.Name)
         } else if event.Has(fsnotify.Write) {
           // check if match then do thing
-          if MatchesPath(event.Name) {
-            go RunBuild()
+          if game.MatchesPath(event.Name) {
+            go game.RunBuild()
           }
         } else {
           log.Println("event:", event)
@@ -196,7 +231,7 @@ func WatchDir() {
     }
   }()
 
-  err = AddWatchDir(watcher, ".")
+  err = game.AddWatchDir(watcher, ".")
 
   if err != nil {
     log.Fatal(err, "Failed to watch .")
@@ -205,10 +240,10 @@ func WatchDir() {
   <-make(chan struct{})
 }
 
-
 func main() {
-  config.Load()
+  settings := config.Load()
+
+  game := MakeGame(settings)
 
-  fmt.Println("WAITING....")
-  WatchDir()
+  game.WatchDir()
 }