more logging changes

FyneApp.toml

@@ -3,4 +3,4 @@
   Name = "EpochSilicon"
   ID = "com.burkey.epochsilicon"
   Version = "1.0.0"
-  Build = 3
+  Build = 4

main.go

@@ -13,6 +13,9 @@ import (
 const appVersion = "1.0.1"
 
 func main() {
+	log.SetupLogging()
+	defer log.Close()
+
 	PEApp := app.NewWithID("com.burkey.epochsilicon")
 	PEWindow := PEApp.NewWindow("EpochSilicon v" + appVersion)
 	PEWindow.Resize(fyne.NewSize(650, 500))

pkg/launcher/launcher.go

@@ -2,8 +2,8 @@ package launcher
 
 import (
 	"bufio"
+	"epochsilicon/pkg/log"
 	"fmt"
-	"github.com/rs/zerolog/log"
 	"os"
 	"os/exec"
 	"path/filepath"

pkg/launcher/recommended.go

@@ -1,8 +1,8 @@
 package launcher
 
 import (
+	"epochsilicon/pkg/log"
 	"fmt"
-	"github.com/rs/zerolog/log"
 	"os"
 	"path/filepath"
 	"regexp"

pkg/log/logging.go

@@ -3,14 +3,42 @@ package log
 import (
 	"github.com/rs/zerolog"
 	"os"
+	"path/filepath"
 )
 
-var logger zerolog.Logger
+const ApplicationSupportDir = "/Library/Application Support/EpochSilicon"
 
-func init() {
-	zerolog.TimeFieldFormat = zerolog.TimeFormatUnix
-	zerolog.SetGlobalLevel(zerolog.InfoLevel)
-	logger = zerolog.New(os.Stdout).With().Timestamp().Logger()
+var (
+	logger         zerolog.Logger
+	logFilePointer *os.File
+	logFilePath    = filepath.Join(ApplicationSupportDir, "EpochSilicon.log")
+)
+
+func SetupLogging() {
+	logFilePointer = nil
+	ToConsole(zerolog.InfoLevel)
+}
+
+func Close() {
+	if logFilePointer != nil {
+		logFilePointer.Close()
+	}
+}
+
+func ToFile(level zerolog.Level) {
+	Close()
+	var err error
+	logFilePointer, err = os.OpenFile(logFilePath, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
+	if err != nil {
+		logger.Error().Msg(err.Error())
+		return
+	}
+	logger = zerolog.New(logFilePointer).With().Timestamp().Logger().Level(level)
+}
+
+func ToConsole(level zerolog.Level) {
+	Close()
+	logger = zerolog.New(os.Stdout).With().Timestamp().Logger().Level(level)
 }
 
 func Debug(msg string) {