package search

import (
	"errors"
	"testing"
)

func TestNewServiceUnknownDefault(t *testing.T) {
	_, err := NewService("yahoo", "https://example.com")
	if err == nil {
		t.Fatal("expected error for unknown default provider")
	}
	var unk ErrUnknownProvider
	if !errors.As(err, &unk) {
		t.Fatalf("expected ErrUnknownProvider, got %T: %v", err, err)
	}
	if unk.ID != "yahoo" {
		t.Errorf("ID = %q", unk.ID)
	}
	if unk.Error() != "unknown provider: yahoo" {
		t.Errorf("Error() = %q", unk.Error())
	}
}

func TestServiceLookupAndProviders(t *testing.T) {
	svc, err := NewService("gh", "https://example.com")
	if err != nil {
		t.Fatalf("NewService: %v", err)
	}
	if got := svc.PublicURL(); got != "https://example.com" {
		t.Errorf("PublicURL = %q", got)
	}
	if len(svc.Providers()) != 3 {
		t.Errorf("expected 3 providers")
	}
	if _, ok := svc.Lookup("ud"); !ok {
		t.Errorf("Lookup ud should succeed")
	}
	if _, ok := svc.Lookup("yahoo"); ok {
		t.Errorf("Lookup yahoo should fail")
	}
}

func TestServiceRouteDelegates(t *testing.T) {
	svc, err := NewService("gh", "https://example.com")
	if err != nil {
		t.Fatalf("NewService: %v", err)
	}
	p, q, err := svc.Route("ud foo")
	if err != nil {
		t.Fatalf("Route: %v", err)
	}
	if p.ID != "ud" || q != "foo" {
		t.Errorf("got (%q, %q), want (ud, foo)", p.ID, q)
	}
}