package libkiwi

import (
	"encoding/json"
	"errors"
	"os"
	"strconv"
	"strings"
	"testing"
	"time"

	"github.com/pquerna/otp/totp"
)

func TestLogin(t *testing.T) {
	user, pass := os.Getenv("TEST_USER"), os.Getenv("TEST_PASS")
	if user == "" || pass == "" {
		t.Log("TEST_USER and/or TEST_PASS not set in env. Skipping.\n")
		return
	}

	kf, err := newTestKF()
	if err != nil {
		t.Error(err)
		return
	}

	ctx := t.Context()

	resp, err := kf.Login(ctx, Credentials{
		Username: user,
		Password: pass,
		Remember: false, // Don't wastefully create dangling sessions.
	})
	if err != nil {
		t.Error(err)
		return
	}
	defer resp.Body.Close()

	t.Logf("Login response: %+v\n", resp)

	if strings.Contains(resp.Request.URL.Path, "two-step") {
		code, err := genTest2FACode()
		if err != nil {
			t.Error(err)
			return
		}

		resp, err := kf.TwoFactorAuth(ctx, resp, code)
		if err != nil {
			t.Error(err)
			return
		}
		defer resp.Body.Close()

		var lr LoginResp

		err = json.NewDecoder(resp.Body).Decode(&lr)
		if err != nil {
			t.Error(err)
			return
		}
		t.Logf("2FA response: %+v\n", lr)
	}
}

func genTest2FACode() (uint32, error) {
	secret := os.Getenv("TEST_TOTP")
	if secret == "" {
		return 0, errors.New("TEST_TOTP not set in env.")
	}

	codeStr, err := totp.GenerateCode(secret, time.Now())
	if err != nil {
		return 0, err
	}

	code, err := strconv.Atoi(codeStr)
	if err != nil {
		return 0, err
	}

	return uint32(code), nil
}