package mail

import (
	"log"
	"os"
	"os/exec"
)

func SendMail(subject string, content string, files ...string) {
	cm := os.Getenv("mail_cmd_path")
	if cm == "" {
		return
	}
	subjectParam := os.Getenv("mail_cmd_subject_param_name")
	if subjectParam == "" {
		return
	}
	contentParam := os.Getenv("mail_cmd_content_param_name")
	if contentParam == "" {
		return
	}
	fileParam := os.Getenv("mail_cmd_file_param_name")
	if fileParam == "" {
		return
	}
	v := []string{subjectParam, subject, contentParam, content}
	for _, f := range files {
		if f != "" {
			v = append(v, fileParam, f)
		}
	}

	cmd := exec.Command(cm, v...)
	output, err := cmd.CombinedOutput()
	log.Println(string(output), err)
}