From 6e59af1662505a2cd6a1a87d92f09305c0939f20 Mon Sep 17 00:00:00 2001
From: Alexey <alex@oblat.lv>
Date: Sat, 2 Aug 2025 00:00:35 +0300
Subject: [PATCH] add json_format option for structure logging

---
 internal/engine/config/compositor.go | 1 +
 internal/engine/config/config.go     | 1 +
 internal/engine/logs/logger.go       | 9 ++++++++-
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/internal/engine/config/compositor.go b/internal/engine/config/compositor.go
index db0ca5b..c1454c0 100644
--- a/internal/engine/config/compositor.go
+++ b/internal/engine/config/compositor.go
@@ -58,6 +58,7 @@ func (c *Compositor) LoadConf(path string) error {
 	v.SetDefault("updates.enabled", false)
 	v.SetDefault("updates.check_interval", "2h")
 	v.SetDefault("updates.wanted_version", "latest-stable")
+	v.SetDefault("log.json_format", "false")
 	v.SetDefault("log.level", "info")
 	v.SetDefault("log.output", "%stdout%")
 
diff --git a/internal/engine/config/config.go b/internal/engine/config/config.go
index e43fafe..7cc5afe 100644
--- a/internal/engine/config/config.go
+++ b/internal/engine/config/config.go
@@ -55,6 +55,7 @@ type Updates struct {
 }
 
 type Log struct {
+	JSON    *bool   `mapstructure:"json_format"`
 	Level   *string `mapstructure:"level"`
 	OutPath any     `mapstructure:"output"`
 }
diff --git a/internal/engine/logs/logger.go b/internal/engine/logs/logger.go
index a0b0a39..d268b50 100644
--- a/internal/engine/logs/logger.go
+++ b/internal/engine/logs/logger.go
@@ -90,6 +90,13 @@ func SetupLogger(o *config.Log) (*slog.Logger, error) {
 		writer = logFile
 	}
 
-	log := slog.New(slog.NewJSONHandler(writer, &handlerOpts))
+	var handler slog.Handler
+
+	if *o.JSON {
+		handler = slog.NewJSONHandler(writer, &handlerOpts)
+	} else {
+		handler = slog.NewTextHandler(writer, &handlerOpts)
+	}
+	log := slog.New(handler)
 	return log, nil
 }