package Auth_test

import (
	"bytes"
	"encoding/base64"
	"encoding/json"
	"io/ioutil"
	"log"
	"net/http"
	"net/http/httptest"
	"testing"

	"git.tovijaeschke.xyz/tovi/Capsule/Backend/Api"
	"git.tovijaeschke.xyz/tovi/Capsule/Backend/Api/Auth"
	"git.tovijaeschke.xyz/tovi/Capsule/Backend/Database"
	"git.tovijaeschke.xyz/tovi/Capsule/Backend/Database/Seeder"
	"git.tovijaeschke.xyz/tovi/Capsule/Backend/Models"
	"github.com/gorilla/mux"
)

func Test_Login(t *testing.T) {
	log.SetOutput(ioutil.Discard)
	Database.InitTest()

	r := mux.NewRouter()
	Api.InitAPIEndpoints(r)
	ts := httptest.NewServer(r)
	defer ts.Close()

	userKey, _ := Seeder.GenerateAesKey()
	pubKey := Seeder.GetPubKey()

	p, _ := Auth.HashPassword("password")

	u := Models.User{
		Username:             "test",
		Password:             p,
		AsymmetricPublicKey:  Seeder.PublicKey,
		AsymmetricPrivateKey: Seeder.EncryptedPrivateKey,
		SymmetricKey: base64.StdEncoding.EncodeToString(
			Seeder.EncryptWithPublicKey(userKey.Key, pubKey),
		),
	}

	err := Database.CreateUser(&u)
	if err != nil {
		t.Errorf("Expected nil, recieved %s", err.Error())
		return
	}

	d := struct {
		Username string `json:"username"`
		Password string `json:"password"`
	}{
		Username: "test",
		Password: "password",
	}

	jsonStr, _ := json.Marshal(d)
	req, _ := http.NewRequest("POST", ts.URL+"/api/v1/login", bytes.NewBuffer(jsonStr))
	req.Header.Set("Content-Type", "application/json")

	client := &http.Client{}
	resp, err := client.Do(req)

	if err != nil {
		t.Errorf("Expected nil, recieved %s", err.Error())
		return
	}

	if resp.StatusCode != http.StatusOK {
		t.Errorf("Expected %d, recieved %d", http.StatusOK, resp.StatusCode)
		return
	}

	var session Models.Session

	err = Database.DB.First(&session, "user_id = ?", u.ID.String()).Error

	if err != nil {
		t.Errorf("Expected user record, recieved %s", err.Error())
		return
	}
}

func Test_Login_PasswordFails(t *testing.T) {
	log.SetOutput(ioutil.Discard)
	Database.InitTest()

	r := mux.NewRouter()
	Api.InitAPIEndpoints(r)
	ts := httptest.NewServer(r)
	defer ts.Close()

	userKey, _ := Seeder.GenerateAesKey()
	pubKey := Seeder.GetPubKey()

	p, _ := Auth.HashPassword("password")

	u := Models.User{
		Username:             "test",
		Password:             p,
		AsymmetricPublicKey:  Seeder.PublicKey,
		AsymmetricPrivateKey: Seeder.EncryptedPrivateKey,
		SymmetricKey: base64.StdEncoding.EncodeToString(
			Seeder.EncryptWithPublicKey(userKey.Key, pubKey),
		),
	}

	err := Database.CreateUser(&u)
	if err != nil {
		t.Errorf("Expected nil, recieved %s", err.Error())
		return
	}

	d := struct {
		Username string `json:"username"`
		Password string `json:"password"`
	}{
		Username: "test",
		Password: "password1",
	}

	jsonStr, _ := json.Marshal(d)
	req, _ := http.NewRequest("POST", ts.URL+"/api/v1/login", bytes.NewBuffer(jsonStr))
	req.Header.Set("Content-Type", "application/json")

	client := &http.Client{}
	resp, err := client.Do(req)

	if err != nil {
		t.Errorf("Expected nil, recieved %s", err.Error())
		return
	}

	if resp.StatusCode != http.StatusUnauthorized {
		t.Errorf("Expected %d, recieved %d", http.StatusUnauthorized, resp.StatusCode)
		return
	}
}