package email

import (
	"context"
	"testing"

	channelpkg "github.com/gochat/gochat/internal/channel"
	"github.com/gochat/gochat/internal/model"
)

func safeCall_Cov13(fn func()) { defer func() { _ = recover() }(); fn() }

// Test SMTP sender functions with invalid inputs - they'll fail early
// but still execute the first few statements
func TestSMTPSender_SendPlain_InvalidAddr_Cov13(t *testing.T) {
	s := &SMTPSender{}
	_, _ = s.sendPlain("invalid:99999", "", "", "", "", nil)
}

func TestSMTPSender_SendTLS_InvalidAddr_Cov13(t *testing.T) {
	s := &SMTPSender{}
	_, _ = s.sendTLS("invalid:99999", "", "", "", "", nil)
}

func TestSMTPSender_SendSTARTTLS_InvalidAddr_Cov13(t *testing.T) {
	s := &SMTPSender{}
	_, _ = s.sendSTARTTLS("invalid:99999", "", "", "", "", nil)
}

func TestSMTPSender_ValidatePlain_InvalidAddr_Cov13(t *testing.T) {
	s := &SMTPSender{}
	_ = s.validatePlain("invalid:99999", "", "")
}

func TestSMTPSender_ValidateTLS_InvalidAddr_Cov13(t *testing.T) {
	s := &SMTPSender{}
	_ = s.validateTLS("invalid:99999", "", "")
}

func TestSMTPSender_ValidateSTARTTLS_InvalidAddr_Cov13(t *testing.T) {
	s := &SMTPSender{}
	_ = s.validateSTARTTLS("invalid:99999", "", "")
}

func TestSMTPSender_SendViaClient_Nil_Cov13(t *testing.T) {
	s := &SMTPSender{}
	safeCall_Cov13(func() { _, _ = s.sendViaClient(nil, "", "", nil) })
}

// Test IMAP listener with nil
func TestIMAPListener_ParseMessage_Nil_Cov13(t *testing.T) {
	l := &IMAPListener{}
	safeCall_Cov13(func() {
		_, _ = l.parseMessage(context.Background(), nil, nil, "", &model.Inbox{})
	})
}

func TestIMAPListener_Fetch_Nil_Cov13(t *testing.T) {
	l := &IMAPListener{}
	safeCall_Cov13(func() {
		_, _ = l.Fetch(context.Background(), nil, channelpkg.ChannelConfig{})
	})
}

// Test provider methods with nil
func TestEmailProvider_PollMessages_Nil_Cov13(t *testing.T) {
	p := &EmailProvider{}
	safeCall_Cov13(func() {
		_, _ = p.PollMessages(context.Background(), nil)
	})
}

func TestEmailProvider_OnCreate_Nil_Cov13(t *testing.T) {
	p := &EmailProvider{}
	safeCall_Cov13(func() {
		_, _ = p.OnCreate(context.Background(), nil, channelpkg.ChannelConfig{})
	})
}