minimal ssh

internal/logger/logger.go

@@ -0,0 +1,58 @@
+// Copyright 2025.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package logger
+
+import (
+	"os"
+	"path/filepath"
+
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+)
+
+// New constructs a Sugared Logger that writes to a file and
+// provides human-readable timestamps.
+func New(service string, outputPaths ...string) (*zap.SugaredLogger, error) {
+	config := zap.NewProductionConfig()
+
+	config.EncoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
+	config.Level = zap.NewAtomicLevelAt(zap.DebugLevel)
+
+	config.DisableStacktrace = true
+	config.InitialFields = map[string]any{
+		"service": service,
+	}
+
+	home, err := os.UserHomeDir()
+	if err != nil {
+		return nil, err
+	}
+	logDir := filepath.Join(home, ".lazyssh")
+	if err := os.MkdirAll(logDir, 0o755); err != nil {
+		return nil, err
+	}
+	config.OutputPaths = []string{filepath.Join(logDir, "lazyssh.log")}
+
+	if outputPaths != nil {
+		config.OutputPaths = outputPaths
+	}
+
+	log, err := config.Build(zap.WithCaller(true))
+	if err != nil {
+		return nil, err
+	}
+
+	return log.Sugar(), nil
+}