package user

import (
	"context"
	"fmt"
	"time"

	"github.com/SamuelTariku/FortuneBet-Backend/internal/domain"
	"github.com/SamuelTariku/FortuneBet-Backend/internal/pkgs/helpers"
	"golang.org/x/crypto/bcrypt"
)

func (s *Service) SendOtp(ctx context.Context, sentTo string, otpFor domain.OtpFor, medium domain.OtpMedium, provider domain.SMSProvider) error {
	otpCode := helpers.GenerateOTP()

	message := fmt.Sprintf("Welcome to Fortune bets, your OTP is %s please don't share with anyone.", otpCode)

	switch medium {
	case domain.OtpMediumSms:

		switch provider {
		case domain.TwilioSms:
			if err := s.messengerSvc.SendTwilioSMS(ctx, sentTo, message); err != nil {
				return err
			}
		case domain.AfroMessage:
			if err := s.messengerSvc.SendAfroMessageSMS(ctx, sentTo, message); err != nil {
				return err
			}
		default:
			return fmt.Errorf("invalid sms provider: %s", provider)
		}
	case domain.OtpMediumEmail:
		if err := s.messengerSvc.SendEmail(ctx, sentTo, message, "FortuneBets - One Time Password"); err != nil {
			return err
		}
	}

	otp := domain.Otp{
		SentTo:    sentTo,
		Medium:    medium,
		For:       otpFor,
		Otp:       otpCode,
		Used:      false,
		CreatedAt: time.Now(),
		ExpiresAt: time.Now().Add(OtpExpiry),
	}

	return s.otpStore.CreateOtp(ctx, otp)
}

func hashPassword(plaintextPassword string) ([]byte, error) {
	hash, err := bcrypt.GenerateFromPassword([]byte(plaintextPassword), 12)
	if err != nil {
		return []byte{}, err
	}

	return hash, nil
}