package extractor

import (
	"errors"
	"testing"
)

// mockInteractiveBrowser implements InteractiveBrowser for testing without Playwright.
type mockInteractiveBrowser struct{}

func (m mockInteractiveBrowser) Navigate(string) (string, error)        { return "", nil }
func (m mockInteractiveBrowser) GoBack() (string, error)                { return "", nil }
func (m mockInteractiveBrowser) GoForward() (string, error)             { return "", nil }
func (m mockInteractiveBrowser) URL() string                            { return "" }
func (m mockInteractiveBrowser) MouseClick(float64, float64, string) error { return nil }
func (m mockInteractiveBrowser) MouseMove(float64, float64) error       { return nil }
func (m mockInteractiveBrowser) MouseWheel(float64, float64) error      { return nil }
func (m mockInteractiveBrowser) KeyboardType(string) error              { return nil }
func (m mockInteractiveBrowser) KeyboardPress(string) error             { return nil }
func (m mockInteractiveBrowser) KeyboardInsertText(string) error        { return nil }
func (m mockInteractiveBrowser) Screenshot(int) ([]byte, error)         { return nil, nil }
func (m mockInteractiveBrowser) Cookies() ([]Cookie, error)             { return nil, nil }
func (m mockInteractiveBrowser) Close() error                           { return nil }

func TestPromoteToInteractive_NonPromotable(t *testing.T) {
	doc := &mockDocument{}
	_, err := PromoteToInteractive(doc)
	if !errors.Is(err, ErrNotPromotable) {
		t.Fatalf("expected ErrNotPromotable, got: %v", err)
	}
}

func TestPromoteToInteractive_AlreadyDetached(t *testing.T) {
	d := &document{detached: true}
	_, err := PromoteToInteractive(d)
	if !errors.Is(err, ErrAlreadyDetached) {
		t.Fatalf("expected ErrAlreadyDetached, got: %v", err)
	}
}

func TestDemoteToDocument_NonDemotable(t *testing.T) {
	ib := &mockInteractiveBrowser{}
	_, err := DemoteToDocument(ib)
	if !errors.Is(err, ErrNotDemotable) {
		t.Fatalf("expected ErrNotDemotable, got: %v", err)
	}
}

func TestDemoteToDocument_AlreadyDetached(t *testing.T) {
	ib := &interactiveBrowser{detached: true}
	_, err := DemoteToDocument(ib)
	if !errors.Is(err, ErrAlreadyDetached) {
		t.Fatalf("expected ErrAlreadyDetached, got: %v", err)
	}
}