package config

import (
	"git.haelnorr.com/h/golib/env"
	"git.haelnorr.com/h/golib/hlog"
	"github.com/pkg/errors"
)

type HLOGConfig struct {
	// ENV LOG_LEVEL: Log level for global logging. (default: info)
	LogLevel hlog.Level

	// ENV LOG_OUTPUT: Output method for the logger. (default: console)
	// Valid options: "file", "console", "both"
	LogOutput string

	// ENV LOG_DIR: Path to create log files
	LogDir string
}

func setupHLOG() (*HLOGConfig, error) {
	logLevel, err := hlog.LogLevel(env.String("LOG_LEVEL", "info"))
	if err != nil {
		return nil, errors.Wrap(err, "hlog.LogLevel")
	}
	logOutput := env.String("LOG_OUTPUT", "console")
	if logOutput != "both" && logOutput != "console" && logOutput != "file" {
		return nil, errors.Errorf("Invalid LOG_OUTPUT: %s", logOutput)
	}
	cfg := &HLOGConfig{
		LogLevel:  logLevel,
		LogOutput: logOutput,
		LogDir:    env.String("LOG_DIR", ""),
	}
	return cfg, nil
}