package main

import (
	"net/http"
	"net/http/httptest"
	"testing"

	"github.com/stretchr/testify/assert"
)

func Test_robotsTXT(t *testing.T) {

	t.Run("Default", func(t *testing.T) {
		app := &goBlog{
			cfg: &config{
				Server: &configServer{
					PublicAddress: "https://example.com",
				},
			},
		}

		rec := httptest.NewRecorder()
		req := httptest.NewRequest("GET", "/robots.txt", nil)
		app.serveRobotsTXT(rec, req)
		assert.Equal(t, http.StatusOK, rec.Code)
		assert.Equal(t, "User-agent: *\nAllow: /\n\nSitemap: https://example.com/sitemap.xml\n", rec.Body.String())
	})

	t.Run("Private mode", func(t *testing.T) {
		app := &goBlog{
			cfg: &config{
				Server: &configServer{
					PublicAddress: "https://example.com",
				},
				PrivateMode: &configPrivateMode{
					Enabled: true,
				},
			},
		}

		assert.True(t, app.isPrivate())

		rec := httptest.NewRecorder()
		req := httptest.NewRequest("GET", "/robots.txt", nil)
		app.serveRobotsTXT(rec, req)
		assert.Equal(t, http.StatusOK, rec.Code)
		assert.Equal(t, "User-agent: *\nDisallow: /\n", rec.Body.String())
	})

	t.Run("Blocked bot", func(t *testing.T) {
		app := &goBlog{
			cfg: &config{
				Server: &configServer{
					PublicAddress: "https://example.com",
				},
				RobotsTxt: &configRobotsTxt{
					BlockedBots: []string{
						"GPTBot",
					},
				},
			},
		}

		rec := httptest.NewRecorder()
		req := httptest.NewRequest("GET", "/robots.txt", nil)
		app.serveRobotsTXT(rec, req)
		assert.Equal(t, http.StatusOK, rec.Code)
		assert.Equal(t, "User-agent: *\nAllow: /\n\nUser-agent: GPTBot\nDisallow: /\n\nSitemap: https://example.com/sitemap.xml\n", rec.Body.String())
	})

}