package mailer

import (
	"crypto/tls"
	"fmt"
	"net/smtp"
	"strconv"
)

// internal SMTP code, messy.
func (m Mailer) internal_mail(un string, msg []byte) {
	m.wanted_send.Add(1)
	wanted := m.wanted_send.Load()
	mail_amt := m.mail_counter.Load()
	fmt.Println("sent mail: " + strconv.Itoa(int(mail_amt)))
	fmt.Println("wanted to send: " + strconv.Itoa(int(wanted)))
	if mail_amt > 3000 {
		fmt.Println("sending total too high.")
		return
	}
	recip := []string{un}
	auth := smtp.PlainAuth(m.From, m.From, m.Password, m.HostWithPort)
	tlsconfig := &tls.Config{
		InsecureSkipVerify: true,
		ServerName:         m.HostOnly,
	}
	conn, err := tls.Dial("tcp", m.HostWithPort, tlsconfig)
	if err != nil {
		fmt.Println("dial failed")
		return
	}
	client, err := smtp.NewClient(conn, m.HostWithPort)
	if err != nil {
		fmt.Println("new client failed")
		return
	}
	if err = client.Auth(auth); err != nil {
		fmt.Println("auth failed")
		return
	}
	if err = client.Mail(m.From); err != nil {
		fmt.Println("from failed")
		return
	}
	client.Rcpt(recip[0])
	w, err := client.Data()
	if err != nil {
		fmt.Println("recip failed")
		return
	}
	_, err = w.Write(msg)
	if err != nil {
		fmt.Println("open body failed")
		return
	}
	err = w.Close()
	if err != nil {
		fmt.Println("close body failed")
		return
	}
	err = client.Quit()
	if err != nil {
		fmt.Println("client quit failed")
		return
	}
	fmt.Println("sent!")
	m.mail_counter.Add(1)
}