package mailer

import (
	"strconv"
	"sync/atomic"
)

type Mailer struct {
	Password          string
	HostOnly          string
	HostWithPort      string
	From              string
	Footer            string
	UnsubscribeUrl    string
	UnsubscribeCodeFn UnsubFunc
	Send              map[string]func(email string)
	SendKeyed         map[string]func(email string, code string)
	mail_counter      *atomic.Uint64
	wanted_send       *atomic.Uint64
}

// UnsubscribeFunc should take a username and create an opaque string
type UnsubFunc func(username string) string

// New creates a mailer with your configured settings
func New(from string, password string, host string, port int, unsubscribe string, footer string, unsub UnsubFunc) Mailer {
	p := strconv.FormatInt(int64(port), 10)
	return Mailer{
		Password:          password, // utils.GlobalConfig.SMTP_PASSWORD
		From:              from,
		HostOnly:          host,
		HostWithPort:      host + ":" + p,
		Footer:            footer,
		UnsubscribeUrl:    unsubscribe,
		UnsubscribeCodeFn: unsub,
	}
}