package mailing

import (
	"context"
	"fmt"
	"time"

	"git.kocoder.xyz/kocoded/vt/fx/interfaces"

	imap "github.com/BrianLeishman/go-imap"
)

type imapIntegration struct {
	id *imap.Dialer
}

// Invoke implements interfaces.BasicIntegration.
func (i *imapIntegration) Invoke() {
	fmt.Println("Invoked!")
}

// OnStart implements interfaces.BasicIntegration.
func (i *imapIntegration) OnStart(ctx context.Context) error {
	fmt.Println("Integration IMAP started")
	return nil
}

// OnStop implements interfaces.BasicIntegration.
func (i *imapIntegration) OnStop(ctx context.Context) error {
	fmt.Println("Integration IMAP stopped")
	return nil
}

func NewImapIntegration() interfaces.BasicIntegration {
	fmt.Println("New Imap Integration")

	imap.Verbose = true
	imap.RetryCount = 1
	imap.DialTimeout = 10 * time.Second
	imap.CommandTimeout = 30 * time.Second

	m, err := imap.New("me@kocoder.xyz", "&,25,upMeddeEnTYPTifaccEptIonaAlErGiE", "mx.kocoder.xyz", 993)

	if err != nil {
		panic(err)
	}

	if err := m.SelectFolder("INBOX"); err != nil {
		panic("Failed to select inbox")
	}

	uids, err := m.GetUIDs("UNSEEN")
	if err != nil {
		panic("Search")
	}

	emails, err := m.GetEmails(uids[:5]...)
	if err != nil {
		panic("Getting EMails")
	}

	for uid, email := range emails {
		fmt.Printf("\n--- Email UID %d ---\n", uid)
		fmt.Printf("From: %s\n", email.From)
		fmt.Printf("Subject: %s\n", email.Subject)
		fmt.Printf("Date: %s\n", email.Sent.Format("Jan 2, 2006 3:04 PM"))
		fmt.Printf("Size: %.1f KB\n", float64(email.Size)/1024)

		if len(email.Text) > 100 {
			fmt.Printf("Preview: %.100s...\n", email.Text)
		} else if len(email.Text) > 0 {
			fmt.Printf("Preview: %s\n", email.Text)
		}

		if len(email.Attachments) > 0 {
			fmt.Printf("Attachments: %d\n", len(email.Attachments))
			for _, att := range email.Attachments {
				fmt.Printf("  - %s (%.1f KB)\n", att.Name, float64(len(att.Content))/1024)
			}
		}
	}

	return &imapIntegration{id: m}
}