big bang

1 files changed, 74 insertions, 0 deletions

diff --git a/config.go b/config.go
new file mode 100644
index 0000000..278e62b
--- /dev/null
+++ b/config.go
@@ -0,0 +1,74 @@
+package main
+
+import (
+	"bytes"
+	"io/ioutil"
+	"log"
+	"os"
+	"path/filepath"
+
+	"github.com/BurntSushi/toml"
+)
+
+type config struct {
+	Threshold             int
+	DisplayMonitorSources bool
+}
+
+const configDir = ".config/noiseui/"
+const configFile = "config.toml"
+
+func initializeConfigIfNot() {
+	log.Println("Checking if config needs to be initialized")
+	conf := config{Threshold: 95, DisplayMonitorSources: false}
+	configdir := filepath.Join(os.Getenv("HOME"), configDir)
+	ok, err := exists(configdir)
+	if err != nil {
+		log.Fatalf("Couldn't check if config directory exists: %v\n", err)
+	}
+	if !ok {
+		err = os.MkdirAll(configdir, 0700)
+		if err != nil {
+			log.Fatalf("Couldn't create config directory: %v\n", err)
+		}
+	}
+	tomlfile := filepath.Join(configdir, configFile)
+	ok, err = exists(tomlfile)
+	if err != nil {
+		log.Fatalf("Couldn't check if config file exists: %v\n", err)
+	}
+	if !ok {
+		log.Println("Initializing config")
+		writeConfig(&conf)
+	}
+}
+
+func readConfig() *config {
+	f := filepath.Join(os.Getenv("HOME"), configDir, configFile)
+	config := config{}
+	if _, err := toml.DecodeFile(f, &config); err != nil {
+		log.Fatalf("Couldn't read config file: %v\n", err)
+	}
+
+	return &config
+}
+
+func writeConfig(conf *config) {
+	f := filepath.Join(os.Getenv("HOME"), configDir, configFile)
+	var buffer bytes.Buffer
+	if err := toml.NewEncoder(&buffer).Encode(&conf); err != nil {
+		log.Fatalf("Couldn't write config file: %v\n", err)
+	}
+	ioutil.WriteFile(f, []byte(buffer.String()), 0644)
+}
+
+func exists(path string) (bool, error) {
+	_, err := os.Stat(path)
+	if err == nil {
+		return true, nil
+	}
+	if os.IsNotExist(err) {
+		return false, nil
+	}
+	return false, err
+}