package logger

import (
	"fmt"
	"time"

	"github.com/volker-raschek/flucky/pkg/types"
)

type Logger interface {
	GetHumidities(fromDate *time.Time, tillDate *time.Time, sensorNameOrUUID *[]string) ([]*types.Humidity, error)
	GetTemperatures(from *time.Time, till *time.Time, sensorIDs []string) ([]*types.Temperature, error)
	LogHumidities(humidities []*types.Humidity) error
	LogTemperatures(temperatures []*types.Temperature) error
}

type LoggerType string

const (
	LogFile   LoggerType = "file"
	LogRemote            = "remote"
)

type LogValue string

const (
	LogHumidity    LogValue = "humidity"
	LogTemperature          = "temperature"
)

// LogTypeToString converts a logtype into a string
func LogTypeToString(loggertype LoggerType) (string, error) {
	switch loggertype {
	case LogFile:
		return "file", nil
	default:
		return "", fmt.Errorf("Can not determine loggertype %v", loggertype)
	}
}

// LogValueToString converts a logvalue into a string
func LogValueToString(logvalue LogValue) (string, error) {
	switch logvalue {
	case LogHumidity:
		return "humidity", nil
	case LogTemperature:
		return "temperature", nil
	default:
		return "", fmt.Errorf("Can not determine logvalue %v", logvalue)
	}
}

// StringToLoggerType converts a string into loggertype
func StringToLoggerType(loggertype string) (LoggerType, error) {
	switch loggertype {
	case "file":
		return LogFile, nil
	default:
		return "", fmt.Errorf("Can not determine loggertype %v", loggertype)
	}
}

// StringToLogValue converts a string into logvalue
func StringToLogValue(logvalue string) (LogValue, error) {
	switch logvalue {
	case "humidity":
		return LogHumidity, nil
	case "temperature":
		return LogTemperature, nil
	default:
		return "", fmt.Errorf("Can not determine logvalue %v", logvalue)
	}
}