package apitest

import (
	"encoding/json"
	"fmt"
	"net/http"
	"net/http/httptest"
	"strconv"
	"strings"
	"testing"

	"git.artlef.fr/PersonalLibraryManager/internal/testutils"
	"github.com/stretchr/testify/assert"
)

type hasId struct {
	ID uint `json:"id"`
}

func TestPostImportBookHandler_Ok(t *testing.T) {
	id := testPostImportBookHandler(t, "OL21177W", http.StatusOK)
	book := testGetBook(t, strconv.FormatUint(uint64(id), 10), 200)
	assert.Equal(t, "Wuthering Heights", book.Title)
	assert.Equal(t, "Emily Brontë", book.Author)
	assert.Equal(t, "OL21177W", book.OpenLibraryId)
}

func TestPostImportBookHandler_OkAuthorKey(t *testing.T) {
	id := testPostImportBookHandler(t, "OL7525169M", http.StatusOK)
	book := testGetBook(t, strconv.FormatUint(uint64(id), 10), 200)
	assert.Equal(t, "Dr. Bloodmoney, or How We Got Along After the Bomb", book.Title)
	assert.Equal(t, "Philip K. Dick", book.Author)
	assert.Equal(t, "OL7525169M", book.OpenLibraryId)
}

func TestPostImportBookHandler_NoOLID(t *testing.T) {
	testPostImportBookHandler(t, "", http.StatusBadRequest)
}

func testPostImportBookHandler(t *testing.T, openlibraryid string, expectedCode int) uint {
	router := testutils.TestSetup()
	w := httptest.NewRecorder()

	token := testutils.ConnectDemoUser(router)
	queryJson := `{
		"openlibraryid":"%s"
	}`
	queryJson = fmt.Sprintf(queryJson, openlibraryid)
	req, _ := http.NewRequest("POST", "/importbook",
		strings.NewReader(string(queryJson)))
	req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", token))
	router.ServeHTTP(w, req)

	assert.Equal(t, expectedCode, w.Code)

	if w.Code == 200 {
		var parsedId hasId
		err := json.Unmarshal(w.Body.Bytes(), &parsedId)
		if err != nil {
			t.Error(err)
		}
		return parsedId.ID
	} else {
		return 0
	}
}