package fairwind

import (
	"fmt"
	"strings"
)

type LogFormatterPlain struct {
}

func NewLogFormatterPlain() *LogFormatterPlain {
	return &LogFormatterPlain{}
}

func (this *LogFormatterPlain) Format(line LogLine) (string, error) {
	pairs := []string{}
	for _, parameter := range line.Parameters {
		pairs = append(pairs, fmt.Sprintf("%s=%v", parameter.Key, parameter.Value))
	}

	return fmt.Sprintf(
		"%s %d %s %s",
		SeverityToString(line.Severity),
		line.Timestamp,
		line.Message,
		strings.Join(pairs, ", "),
	), nil
}