package apitest

import (
	"encoding/json"
	"fmt"

	"net/http"
	"net/http/httptest"
	"net/url"
	"testing"

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

type bookSearchGet struct {
	Count int64               `json:"count"`
	Books []bookSearchGetBook `json:"books"`
}

type bookSearchGetBook struct {
	Id        uint   `json:"id"`
	Title     string `json:"title" binding:"required,max=300"`
	Author    string `json:"author" binding:"max=100"`
	Rating    int    `json:"rating"`
	Read      bool   `json:"read"`
	WantRead  bool   `json:"wantread"`
	CoverPath string `json:"coverPath"`
}

func TestSearchBook_MultipleBooks(t *testing.T) {
	result := testSearchBook(t, "san", "", "")

	assert.Equal(t, int64(2), result.Count)
	assert.Equal(t, 2, len(result.Books))
}

func TestSearchBook_OneBookNotUserBook(t *testing.T) {
	result := testSearchBook(t, "iliade", "", "")
	assert.Equal(t, int64(1), result.Count)
	assert.Equal(t,
		[]bookSearchGetBook{{
			Title:     "Iliade",
			Author:    "Homère",
			Id:        29,
			Rating:    0,
			Read:      false,
			WantRead:  false,
			CoverPath: "/bookcover/iliade.jpeg",
		}},
		result.Books)
}

func TestSearchBook_OneBookRead(t *testing.T) {
	result := testSearchBook(t, "dieux", "", "")
	assert.Equal(t, int64(1), result.Count)
	assert.Equal(t,
		[]bookSearchGetBook{{
			Title:     "Les dieux ont soif",
			Author:    "Anatole France",
			Id:        4,
			Rating:    7,
			Read:      true,
			WantRead:  false,
			CoverPath: "/bookcover/lesdieuxontsoif.jpg",
		}},
		result.Books)
}

//func TestSearchBook_ISBN(t *testing.T) {
//	result := testSearchBook(t, "9782070337903", "", "")
//	assert.Equal(t, int64(1), result.Count)
//	assert.Equal(t,
//		[]bookSearchGetBook{{
//			Title:     "Le complot contre l'Amérique",
//			Author:    "Philip Roth",
//			Id:        22,
//			Rating:    6,
//			Read:      true,
//			WantRead:  false,
//			CoverPath: "/bookcover/lecomplotcontrelamerique.jpg",
//		}},
//		result)
//}

func TestSearchBook_Limit(t *testing.T) {
	result := testSearchBook(t, "a", "10", "")
	assert.Equal(t, 10, len(result.Books))
}

func TestSearchBook_Offset(t *testing.T) {
	result := testSearchBook(t, "sa", "", "2")
	assert.Equal(t, int64(5), result.Count)
	assert.Equal(t, 3, len(result.Books))
}

func testSearchBook(t *testing.T, searchterm string, limit string, offset string) bookSearchGet {
	router := testutils.TestSetup()

	u, err := url.Parse("/search/" + searchterm)
	if err != nil {
		t.Error(err)
	}
	if limit != "" {
		q := u.Query()
		q.Set("limit", limit)
		u.RawQuery = q.Encode()
	}
	if offset != "" {
		q := u.Query()
		q.Set("offset", offset)
		u.RawQuery = q.Encode()
	}

	token := testutils.ConnectDemoUser(router)
	req, _ := http.NewRequest("GET", u.String(), nil)
	req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", token))
	w := httptest.NewRecorder()
	router.ServeHTTP(w, req)

	var result bookSearchGet
	s := w.Body.String()
	err = json.Unmarshal([]byte(s), &result)
	if err != nil {
		t.Error(err)
	}
	assert.Equal(t, 200, w.Code)
	return result
}