package main

import (
	"log"

	"github.com/agext/email"
)

var (
	host               = "smtp.example.com"
	user               = "username"
	pass               = "password"
	name               = "Application mail"
	addr               = "app@example.com"
	sender             *email.Sender
	contactFormMessage *email.Message
)

func main() {
	var err error
	// create a sender with a given configuration
	sender, err = email.NewSender(host, user, pass, name, addr)
	if err != nil {
		log.Fatalln("invalid sender configuration: " + err.Error())
	}

	// create a message from scratch, to be used as a base for the actual messages
	contactFormMessage = email.NewMessage(nil).
		SubjectTemplate("Contact form message from {{.first}} {{.last}}").
		TextTemplate(`
First Name:   {{.first}}
Last Name:    {{.last}}
Phone:        {{.phone}}
Email:        {{.email}}
`)

	// ...
}

func sendContact(data map[string]interface{}) error {
	// create a message from the base we created in main() - basically, clone all its data
	msg := email.NewMessage(contactFormMessage)

	// customize / adapt the message as needed...
	// if the base messages are well thought out, the need should be minimal, if at all
	// as an example, we could set the To: address based on the form data, to dispatch the messages
	// to the person in the company who is most capable to handle it.

	// send the message after composing it with the provided data
	err := sender.Send(msg, data)

	if err != nil {
		log.Println(err, msg.Errors())
	}

	return err
}