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 {
	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) {
	books := testSearchBook(t, "san", "", "")

	assert.Equal(t, 2, len(books))
}

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

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

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

func TestSearchBook_Offset(t *testing.T) {
	books := testSearchBook(t, "sa", "", "2")
	assert.Equal(t, 3, len(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 books []bookSearchGet
	s := w.Body.String()
	err = json.Unmarshal([]byte(s), &books)
	if err != nil {
		t.Error(err)
	}
	assert.Equal(t, 200, w.Code)
	return books
}

func TestSearchBookCount_OK(t *testing.T) {
	router := testutils.TestSetup()

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

	var count countResponse

	assert.Equal(t, 200, w.Code)
	err := json.Unmarshal(w.Body.Bytes(), &count)
	if err != nil {
		t.Error(err)
	}
	assert.Equal(t, 5, count.Count)
}

func TestSearchBookCount_Zero(t *testing.T) {
	router := testutils.TestSetup()

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

	var count countResponse

	assert.Equal(t, 200, w.Code)
	err := json.Unmarshal(w.Body.Bytes(), &count)
	if err != nil {
		t.Error(err)
	}
	assert.Equal(t, 0, count.Count)
}