import {
  ValidationArguments,
  ValidatorConstraint,
  ValidatorConstraintInterface,
} from 'class-validator';
import { I18nContext } from 'nestjs-i18n';

@ValidatorConstraint({ name: 'MatchFields', async: false })
export class MatchFieldsConstraint implements ValidatorConstraintInterface {
  validate(value: any, args: ValidationArguments): boolean {
    // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
    const [property] = args.constraints;
    // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment, @typescript-eslint/no-unsafe-member-access
    const relatedValue = (args.object as any)[property];

    return value === relatedValue;
  }

  defaultMessage(args: ValidationArguments): string {
    // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
    const [property] = args.constraints;
    const i18n = I18nContext.current();

    const field1 = i18n?.t(`users.fields.${args.property}`) ?? args.property;
    const field2 = i18n?.t(`users.fields.${property}`) ?? (property as string);

    return (
      i18n?.t('validation.fieldsMustMatch', { args: { field1, field2 } }) ??
      `${args.property} must match ${property}`
    );
  }
}