package worker

import (
	"log"
	"net/smtp"
	"os"
	"strings"

	"github.com/jordan-wright/email"
	"github.com/jordan-wright/gophish/models"
)

var Logger = log.New(os.Stdout, " ", log.Ldate|log.Ltime|log.Lshortfile)

type Worker struct {
	Queue chan *models.Campaign
}

func New() *Worker {
	return &Worker{
		Queue: make(chan *models.Campaign),
	}
}

// Start launches the worker to monitor the database for any jobs.
// If a job is found, it launches the job
func (w *Worker) Start() {
	Logger.Println("Background Worker Started Successfully - Waiting for Campaigns")
	for {
		processCampaign(<-w.Queue)
	}
}

func processCampaign(c *models.Campaign) {
	Logger.Printf("Worker received: %s", c.Name)
	err := models.UpdateCampaignStatus(c, models.IN_PROGRESS)
	if err != nil {
		Logger.Println(err)
	}
	e := email.Email{
		Subject: c.Template.Subject,
		From:    c.SMTP.FromAddress,
		Text:    []byte(c.Template.Text),
		HTML:    []byte(c.Template.HTML),
	}
	Logger.Println(c.SMTP.Username)
	Logger.Println(c.SMTP.Password)
	Logger.Println(c.SMTP.FromAddress)
	var auth smtp.Auth
	if c.SMTP.Username != "" && c.SMTP.Password != "" {
		auth = smtp.PlainAuth("", c.SMTP.Username, c.SMTP.Password, strings.Split(c.SMTP.Host, ":")[0])
	}
	for _, t := range c.Results {
		Logger.Println("Creating email using template")
		e.To = []string{t.Email}
		Logger.Println(e.To)
		Logger.Println(e.From)
		err := e.Send(c.SMTP.Host, auth)
		if err != nil {
			Logger.Println(err)
		}
		Logger.Printf("Sending Email to %s\n", t.Email)
	}
}