Rename util.go to log.go. Add verbose mode

1 files changed, 46 insertions, 0 deletions

diff --git a/internal/log/log.go b/internal/log/log.go
new file mode 100644
index 0000000..d2c09d0
--- /dev/null
+++ b/internal/log/log.go
@@ -0,0 +1,46 @@
+package log
+
+import (
+	"fmt"
+	"log"
+	"os"
+)
+
+var errorLogger = log.New(os.Stderr, "ERROR ", log.LstdFlags|log.Lmsgprefix)
+var warnLogger = log.New(os.Stdout, "WARN ", log.LstdFlags|log.Lmsgprefix)
+var enableDebug = false
+
+func SetDebug(state bool) {
+	enableDebug = state
+}
+
+func Print(v ...interface{}) {
+	if !enableDebug {
+		_ = log.Output(2, fmt.Sprint(v...))
+	}
+}
+
+func Printf(format string, v ...interface{}) {
+	if !enableDebug {
+		_ = log.Output(2, fmt.Sprintf(format, v...))
+	}
+}
+
+func Error(v ...interface{}) {
+	_ = errorLogger.Output(2, fmt.Sprint(v...))
+}
+
+//noinspection GoUnusedExportedFunction
+func Errorf(format string, a ...interface{}) {
+	_ = errorLogger.Output(2, fmt.Sprintf(format, a...))
+}
+
+//noinspection GoUnusedExportedFunction
+func Warn(v ...interface{}) {
+	_ = warnLogger.Output(2, fmt.Sprint(v...))
+}
+
+//noinspection GoUnusedExportedFunction
+func Warnf(format string, a ...interface{}) {
+	_ = warnLogger.Output(2, fmt.Sprintf(format, a...))
+}