package routes_test

import (
	"gitea.deepak.science/deepak/gogmagog/routes"
	"gitea.deepak.science/deepak/gogmagog/tokens"
	"github.com/stretchr/testify/assert"
	"net/http"
	"net/http/httptest"
	"strings"
	"testing"
)

func TestPingHandler(t *testing.T) {
	// set up
	assert := assert.New(t)
	m := getEmptyModel()
	router := routes.NewRouter(m, tokens.New("whatever"))
	req, _ := http.NewRequest("GET", "/ping", nil)

	rr := httptest.NewRecorder()

	// function under test
	router.ServeHTTP(rr, req)

	// check results
	status := rr.Code
	assert.Equal(http.StatusOK, status)
	expected := `{"ping": "pong"}`
	assert.JSONEq(expected, rr.Body.String())
	contentType := rr.Header().Get("Content-Type")
	assert.Equal("application/json", contentType)
}

func TestPingPostHandler(t *testing.T) {
	// set up
	assert := assert.New(t)
	m := getEmptyModel()
	router := routes.NewRouter(m, tokens.New("whatever"))
	req, _ := http.NewRequest("POST", "/ping", nil)

	rr := httptest.NewRecorder()

	// function under test
	router.ServeHTTP(rr, req)

	// check results
	status := rr.Code
	assert.Equal(http.StatusMethodNotAllowed, status)
	expected := http.StatusText(http.StatusMethodNotAllowed)
	assert.Equal(expected, strings.TrimSpace(rr.Body.String()))
}

func TestNotFoundHandler(t *testing.T) {
	// set up
	assert := assert.New(t)
	m := getEmptyModel()
	router := routes.NewRouter(m, tokens.New("whatever"))
	req, _ := http.NewRequest("POST", "/null", nil)

	rr := httptest.NewRecorder()

	// function under test
	router.ServeHTTP(rr, req)

	// check results
	status := rr.Code
	assert.Equal(http.StatusNotFound, status)
	expected := http.StatusText(http.StatusNotFound)
	assert.Equal(expected, strings.TrimSpace(rr.Body.String()))
}

func TestPingError(t *testing.T) {
	// set up
	assert := assert.New(t)
	m := getEmptyModel()
	router := routes.NewRouter(m, tokens.New("whatever"))
	req, _ := http.NewRequest("GET", "/ping", nil)

	rr := NewBadWriter()

	// function under test
	router.ServeHTTP(rr, req)

	// check results
	status := rr.Code
	assert.Equal(http.StatusInternalServerError, status)
}