package twilio

import (
	newTwilio "github.com/twilio/twilio-go"
	openapi "github.com/twilio/twilio-go/rest/api/v2010"
	verify "github.com/twilio/twilio-go/rest/verify/v2"
	"github.com/zitadel/logging"

	"github.com/zitadel/zitadel/internal/notification/channels"
	"github.com/zitadel/zitadel/internal/notification/messages"
	"github.com/zitadel/zitadel/internal/zerrors"
)

func InitChannel(config Config) channels.NotificationChannel {
	client := newTwilio.NewRestClientWithParams(newTwilio.ClientParams{Username: config.SID, Password: config.Token})
	logging.Debug("successfully initialized twilio sms channel")

	return channels.HandleMessageFunc(func(message channels.Message) error {
		twilioMsg, ok := message.(*messages.SMS)
		if !ok {
			return zerrors.ThrowInternal(nil, "TWILI-s0pLc", "message is not SMS")
		}
		if config.VerifyServiceSID != "" {
			params := &verify.CreateVerificationParams{}
			params.SetTo(twilioMsg.RecipientPhoneNumber)
			params.SetChannel("sms")

			resp, err := client.VerifyV2.CreateVerification(config.VerifyServiceSID, params)
			if err != nil {
				return zerrors.ThrowInternal(err, "TWILI-0s9f2", "could not send verification")
			}
			logging.WithFields("sid", resp.Sid, "status", resp.Status).Debug("verification sent")

			twilioMsg.VerificationID = resp.Sid
			return nil
		}

		content, err := twilioMsg.GetContent()
		if err != nil {
			return err
		}
		params := &openapi.CreateMessageParams{}
		params.SetTo(twilioMsg.RecipientPhoneNumber)
		params.SetFrom(twilioMsg.SenderPhoneNumber)
		params.SetBody(content)
		m, err := client.Api.CreateMessage(params)
		if err != nil {
			return zerrors.ThrowInternal(err, "TWILI-osk3S", "could not send message")
		}
		logging.WithFields("message_sid", m.Sid, "status", m.Status).Debug("sms sent")
		return nil
	})
}