package model

import (
	"testing"

	"go.mongodb.org/mongo-driver/v2/bson"
)

func TestTokenPaymentDataUnmarshalReadsSnakeCaseExpiryAsInt(t *testing.T) {
	raw, err := bson.Marshal(bson.M{
		"token":     "card-token",
		"last4":     "1234",
		"exp_month": "01",
		"exp_year":  2031.0,
	})
	if err != nil {
		t.Fatalf("marshal card token data: %v", err)
	}

	var data TokenPaymentData
	if err := bson.Unmarshal(raw, &data); err != nil {
		t.Fatalf("unmarshal card token data: %v", err)
	}
	if got, want := data.ExpMonth, 1; got == nil || *got != want {
		t.Fatalf("exp_month mismatch: got=%v want=%d", got, want)
	}
	if got, want := data.ExpYear, 2031; got == nil || *got != want {
		t.Fatalf("exp_year mismatch: got=%v want=%d", got, want)
	}
}