package imapx

import (
	"context"
	"os"
	"strconv"
	"testing"
)

func testEP(t *testing.T) Endpoint {
	host := os.Getenv("TEST_IMAP_HOST")
	if host == "" {
		t.Skip("TEST_IMAP_HOST not set")
	}
	port, _ := strconv.Atoi(os.Getenv("TEST_IMAP_PORT"))
	return Endpoint{Host: host, Port: port, TLSMode: "plain"}
}

func TestTestEndpointOK(t *testing.T) {
	ep := testEP(t)
	if err := TestEndpoint(context.Background(), ep); err != nil {
		t.Fatalf("TestEndpoint: %v", err)
	}
}

func TestTestLoginListsFolders(t *testing.T) {
	ep := testEP(t)
	// greenmail auto-creates users on first login
	folders, err := TestLogin(context.Background(), ep, "user1@localhost", "pass1")
	if err != nil {
		t.Fatalf("TestLogin: %v", err)
	}
	found := false
	for _, f := range folders {
		if f == "INBOX" {
			found = true
		}
	}
	if !found {
		t.Fatalf("INBOX not in folders: %v", folders)
	}
}

func TestConnectHonorsCancelledContext(t *testing.T) {
	ctx, cancel := context.WithCancel(context.Background())
	cancel()
	_, err := Connect(ctx, Endpoint{Host: "10.255.255.1", Port: 993, TLSMode: "ssl"})
	if err == nil {
		t.Fatal("expected error for cancelled context")
	}
}