Debug Logger

config.go

@@ -71,6 +71,10 @@ func LoadConfig(tzConfigs []string) (Config, error) {
 		mergedConfig.Zones = fileConfig.Zones
 	}
 
+	logger.Printf("File config: %s", fileConfig.Zones)
+	logger.Printf("Env config: %s", envConfig.Zones)
+	logger.Printf("Merged config: %s", mergedConfig.Zones)
+
 	// Merge Keymaps
 	if len(fileConfig.Keymaps.PrevHour) > 0 {
 		mergedConfig.Keymaps.PrevHour = fileConfig.Keymaps.PrevHour

config_file.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"log"
 	"os"
 	"path/filepath"
 	"time"
@@ -72,13 +73,15 @@ func LoadConfigFile() (*Config, error) {
 	configFile, err := os.ReadFile(configFilePath)
 	if err != nil {
 		// Silently return
+		logger.Println("Config file '~/.config/tz/conf.toml' not found. Skipping...")
 		return &conf, nil
 	}
 
 	// Unmarshal the TOML data into the Config struct
 	var config ConfigFile
 	err = toml.Unmarshal(configFile, &config)
 	if err != nil {
+		log.Panicf("Error parsing config file %s \n %v", configFilePath, err)
 		panic(err)
 	}
 

logger.go

@@ -0,0 +1,29 @@
+package main
+
+import (
+	"log"
+	"os"
+
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+var logger *log.Logger
+
+type NoOpWriter struct{}
+
+func (w *NoOpWriter) Write(p []byte) (int, error) {
+	return len(p), nil
+}
+
+func SetupLogger() {
+
+	if len(os.Getenv("DEBUG")) > 0 {
+		f, err := tea.LogToFile("debug.log", "debug")
+		if err != nil {
+			log.Fatalf("failed to open log file: %v", err)
+		}
+		logger = log.New(f, "DEBUG: ", log.Ldate|log.Ltime|log.Lshortfile)
+	} else {
+		logger = log.New(&NoOpWriter{}, "", 0)
+	}
+}

main.go

@@ -151,6 +151,9 @@ func (m *model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 }
 
 func main() {
+	SetupLogger()
+	logger.Println("Startup")
+
 	exitQuick := flag.Bool("q", false, "exit immediately")
 	showVersion := flag.Bool("v", false, "show version")
 	when := flag.Int64("when", 0, "time in seconds since unix epoch")