[WIP] Add log handler for writing errors to file

.gitignore

@@ -5,6 +5,7 @@
 *.so
 *.dylib
 bin/*
+logs/*
 Dockerfile.cross
 
 # Test binary, built with `go test -c`

internal/logger/logger.go

@@ -0,0 +1,53 @@
+package logger
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"path/filepath"
+	"time"
+)
+
+// Global logger
+// since we are running a TUI, we dont want to write to stdout,
+// so we will write to stderr + a log file
+var errorLogger *log.Logger
+
+func init() {
+	initLog()
+}
+
+// initLog creates a new log file with a timestamped name each run.
+func initLog() (*os.File, error) {
+	logDir := "logs"
+	err := os.MkdirAll(logDir, 0755)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create log directory: %w", err)
+	} else {
+		fmt.Printf("Log directory '%s' created or already exists\n", logDir)
+	}
+
+	timestamp := time.Now().Format("2006-01-02_15-04-05")
+	filename := filepath.Join(logDir, fmt.Sprintf("signalhound_%s.log", timestamp))
+
+	file, err := os.OpenFile(filename, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0644)
+	if err != nil {
+		return nil, fmt.Errorf("failed to open log file: %w", err)
+	} else {
+		fmt.Printf("Log file %s created\n", filename)
+	}
+
+	// Create a logger that writes to both file and stderr
+	errorLogger = log.New(file, "ERROR: ", log.Ldate|log.Ltime|log.Lshortfile)
+	return file, nil
+}
+
+// HandleError logs errors bot to stderr and also a log file
+func HandleError(err error) {
+	if err != nil {
+		// Print to stderr
+		fmt.Fprintf(os.Stderr, "Error: %v\n", err)
+		// Log to file
+		errorLogger.Println(err)
+	}
+}

internal/tui/panel.go

@@ -11,6 +11,7 @@ import (
 	"github.com/gdamore/tcell/v2"
 	"github.com/knabben/signalhound/api/v1alpha1"
 	"github.com/knabben/signalhound/internal/github"
+	"github.com/knabben/signalhound/internal/logger"
 	"github.com/rivo/tview"
 	"golang.org/x/text/cases"
 	"golang.org/x/text/language"
@@ -78,7 +79,7 @@ func RenderVisual(tabs []*v1alpha1.DashboardTab, githubToken string) error {
 	githubPanel.SetWrap(true)
 
 	// Final position bottom panel for information
-	var positionText = "[yellow]Select a content Windows and press [blue]Ctrl-Space [yellow]to COPY or press [blue]Ctrl-C [yellow]to exit"
+	var positionText = "[yellow]Select a content window and press [blue]Ctrl-Space [yellow]to COPY or press [blue]Ctrl-C [yellow]to exit"
 	position.SetDynamicColors(true).SetTextAlign(tview.AlignCenter).SetText(positionText)
 
 	// Create the grid layout
@@ -137,6 +138,7 @@ func updateSlackPanel(tab *v1alpha1.DashboardTab, currentTest *v1alpha1.TestResu
 			position.SetText("[blue]COPIED [yellow]SLACK [blue]TO THE CLIPBOARD!")
 			if err := CopyToClipboard(slackPanel.GetText()); err != nil {
 				position.SetText(fmt.Sprintf("[red]error: %v", err.Error()))
+				logger.HandleError(err)
 				return event
 			}
 			setPanelFocusStyle(slackPanel.Box)
@@ -184,6 +186,7 @@ func updateGitHubPanel(tab *v1alpha1.DashboardTab, currentTest *v1alpha1.TestRes
 	template, err := renderTemplate(issue, templateFile)
 	if err != nil {
 		position.SetText(fmt.Sprintf("[red]error: %v", err.Error()))
+		logger.HandleError(err)
 		return
 	}
 	issueTemplate := template.String()
@@ -197,6 +200,7 @@ func updateGitHubPanel(tab *v1alpha1.DashboardTab, currentTest *v1alpha1.TestRes
 			position.SetText("[blue]COPIED [yellow]ISSUE [blue]TO THE CLIPBOARD!")
 			if err := CopyToClipboard(githubPanel.GetText()); err != nil {
 				position.SetText(fmt.Sprintf("[red]error: %v", err.Error()))
+				logger.HandleError(err)
 				return event
 			}
 			setPanelFocusStyle(githubPanel.Box)
@@ -212,6 +216,7 @@ func updateGitHubPanel(tab *v1alpha1.DashboardTab, currentTest *v1alpha1.TestRes
 			gh := github.NewGithub(context.Background(), token)
 			if err := gh.CreateDraftIssue(issueTitle, issueTemplate); err != nil {
 				position.SetText(fmt.Sprintf("[red]error: %v", err.Error()))
+				logger.HandleError(err)
 				return event
 			}
 			position.SetText("[blue]Created [yellow]DRAFT ISSUE [blue] on GitHub Project!")
@@ -280,7 +285,9 @@ func CopyToClipboard(text string) error {
 		}
 
 	default:
-		return fmt.Errorf("unsupported operating system: %s", runtime.GOOS)
+		err := fmt.Errorf("unsupported operating system: %s", runtime.GOOS)
+		logger.HandleError(err)
+		return err
 	}
 
 	return cmd.Run()