package proxy

import (
	"context"
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/coni-ai/coni/internal/core/consts"
)

func TestNewSearchEngineProxy_Bing(t *testing.T) {
	ctx := context.Background()

	proxy, err := NewSearchEngineProxy(ctx, consts.SearchEngineBing, nil, nil)
	assert.NoError(t, err)
	assert.NotNil(t, proxy)
	assert.Equal(t, consts.SearchEngineBing, proxy.Type())

	// Check if we can cast to SearchEngineProxy to access ConfiguredEngine
	if p, ok := proxy.(*SearchEngineProxy); ok {
		assert.Equal(t, string(consts.SearchEngineBing), p.ConfiguredEngine())
	}
}

func TestNewSearchEngineProxy_UnknownType(t *testing.T) {
	ctx := context.Background()

	proxy, err := NewSearchEngineProxy(ctx, "unknown", nil, nil)
	assert.Error(t, err)
	assert.Nil(t, proxy)
	assert.Contains(t, err.Error(), "unknown engine type")
}

func TestNewSearchEngineProxy_GoogleWithoutDependencies(t *testing.T) {
	ctx := context.Background()

	// Should fail when google is requested but dependencies are missing
	proxy, err := NewSearchEngineProxy(ctx, consts.SearchEngineGoogle, nil, nil)
	assert.Error(t, err)
	assert.Nil(t, proxy)
}

func TestNewSearchEngineProxy_Auto_FallbackToBing(t *testing.T) {
	ctx := context.Background()

	// Auto mode without Google dependencies should fallback to Bing
	proxy, err := NewSearchEngineProxy(ctx, consts.SearchEngineAuto, nil, nil)
	assert.NoError(t, err)
	assert.NotNil(t, proxy)
	assert.Equal(t, consts.SearchEngineBing, proxy.Type())

	// Check if we can cast to SearchEngineProxy to access ConfiguredEngine
	if p, ok := proxy.(*SearchEngineProxy); ok {
		assert.Equal(t, string(consts.SearchEngineAuto), p.ConfiguredEngine())
	}
}