package logz

import (
	"io"
	"log/slog"
)

// Config configures a Logger instance.
// The zero value is valid: INFO level, text output, os.Stdout, no static args.
type Config struct {
	// Level is the minimum log level. Default: slog.LevelInfo (zero value).
	Level slog.Level `env:"EINHERJAR_LOG_LEVEL" envDefault:"INFO"`
	// JSON enables JSON output. Default: false (text output).
	JSON bool `env:"EINHERJAR_LOG_JSON" envDefault:"false"`
	// StaticArgs are key-value pairs attached to every log record.
	StaticArgs []any
	// Writer is the output destination. Defaults to os.Stdout when nil.
	// Accepts any io.Writer: *os.File, bytes.Buffer, io.MultiWriter, etc.
	Writer io.Writer
}