package logging

// Tests for logger construction and context-enriched loggers.

import (
	"io"
	"testing"

	"github.com/stretchr/testify/require"
)

// TestNewLogger_NoPanic ensures new logger no panic behavior is handled correctly.
func TestNewLogger_NoPanic(t *testing.T) {
	require.NotPanics(t, func() {
		_ = NewLogger(Config{Level: "invalid", Environment: "development", Output: io.Discard})
	})

	require.NotPanics(t, func() {
		_ = NewLogger(Config{Level: "info", Environment: "production", Output: nil})
	})
}

// TestLogger_WithFields ensures logger with fields behavior is handled correctly.
func TestLogger_WithFields(t *testing.T) {
	logger := NewLogger(DefaultConfig())
	withField := logger.WithField("key", "value")
	withFields := logger.WithFields(map[string]interface{}{"a": 1})

	require.NotNil(t, withField)
	require.NotNil(t, withFields)
	require.NotNil(t, logger.Zerolog())
}

// TestDefaultConfig_Stable ensures default config stable behavior is handled correctly.
func TestDefaultConfig_Stable(t *testing.T) {
	cfg := DefaultConfig()
	require.Equal(t, "info", cfg.Level)
	require.Equal(t, "development", cfg.Environment)
	require.Equal(t, "knowfoolery", cfg.ServiceName)
	require.Equal(t, "0.0.0", cfg.Version)
}