package accounts

import (
	"context"
	"errors"
	"strings"
	"testing"

	"git.118im.com/im_team/olons_server/internal/store"
)

type fakeRepository struct{}

func (fakeRepository) RegisterAccount(context.Context, store.AccountRegistration) (*store.Account, error) {
	return nil, errors.New("should not be called")
}
func (fakeRepository) AccountByMobile(context.Context, int64, string) (*store.Account, error) {
	return nil, errors.New("should not be called")
}
func (fakeRepository) RecordLogin(context.Context, int64, int64) error {
	return errors.New("should not be called")
}
func (fakeRepository) MemberOverview(context.Context, int64, int64) (*store.MemberOverview, error) {
	return nil, errors.New("should not be called")
}
func (fakeRepository) UpdateAvatar(context.Context, int64, int64, int64) (*store.Avatar, error) {
	return nil, errors.New("should not be called")
}
func (fakeRepository) AccountSecurity(context.Context, int64, int64) (*store.AccountSecurity, error) {
	return nil, errors.New("should not be called")
}
func (fakeRepository) UpdateLoginPassword(context.Context, int64, int64, string, string) error {
	return errors.New("should not be called")
}
func (fakeRepository) UpdateTradePassword(context.Context, int64, int64, string, string) error {
	return errors.New("should not be called")
}

func TestRegisterValidation(t *testing.T) {
	s := &Service{repository: fakeRepository{}, ready: true}
	tests := []struct {
		name  string
		input RegisterInput
		want  error
	}{
		{name: "username", input: RegisterInput{Username: "张 三", Phone: "13800138000", Password: "secret1", PrivacyAccepted: true}, want: ErrUsernameInvalid},
		{name: "phone", input: RegisterInput{Username: "alice", Phone: "12800138000", Password: "secret1", PrivacyAccepted: true}, want: ErrPhoneInvalid},
		{name: "password", input: RegisterInput{Username: "alice", Phone: "13800138000", Password: "123", PrivacyAccepted: true}, want: ErrPasswordInvalid},
		{name: "referral", input: RegisterInput{Username: "alice", Phone: "13800138000", Password: "secret1", ReferralCode: "bad!", PrivacyAccepted: true}, want: ErrReferralInvalid},
		{name: "privacy", input: RegisterInput{Username: "alice", Phone: "13800138000", Password: "secret1"}, want: ErrPrivacyNotAccepted},
	}
	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			_, err := s.Register(context.Background(), test.input)
			if !errors.Is(err, test.want) {
				t.Fatalf("Register() error = %v, want %v", err, test.want)
			}
		})
	}
}

func TestValidMemberNameSupportsChinese(t *testing.T) {
	for _, name := range []string{"杨情", "欧阳娜娜", "Alicia", "阿依古丽·买买提"} {
		if !validMemberName(name) {
			t.Errorf("validMemberName(%q) = false, want true", name)
		}
	}
	for _, name := range []string{"", "张 三", "user01", "这是一个超过十个字符长度的名字"} {
		if validMemberName(name) {
			t.Errorf("validMemberName(%q) = true, want false", name)
		}
	}
}

func TestLoginRateKeyDoesNotExposePhone(t *testing.T) {
	s := &Service{}
	key := s.loginRateKey("13800138000")
	if strings.Contains(key, "13800138000") {
		t.Fatal("login rate key must not expose the phone number")
	}
}

func TestLoginRequiresMainlandPhone(t *testing.T) {
	s := &Service{repository: fakeRepository{}, ready: true}
	for _, phone := range []string{"", "alice01", "12800138000", "+8613800138000"} {
		_, err := s.Login(context.Background(), LoginInput{Phone: phone, Password: "secret1"})
		if !errors.Is(err, ErrPhoneInvalid) {
			t.Errorf("Login(phone=%q) error = %v, want %v", phone, err, ErrPhoneInvalid)
		}
	}
}