const Joi = require('joi');

const createTokenSchema = Joi.object({
  company_id: Joi.number()
    .integer()
    .positive()
    .required()
    .messages({
      'number.base': 'Company ID must be a number',
      'any.required': 'Company ID is required',
    }),
  target_email: Joi.string()
    .email()
    .required()
    .messages({
      'string.email': 'Valid email is required',
      'any.required': 'Target email is required',
    }),
  employee_name: Joi.string()
    .max(255)
    .allow(null, '')
    .optional(),
  template_type: Joi.string()
    .max(50)
    .default('bank')
    .required()
    .messages({
      'any.required': 'Template type is required',
    }),
});

const updateTokenSchema = Joi.object({
  notes: Joi.string()
    .max(1000)
    .allow(null, '')
    .optional(),
});

const validate = (schema) => {
  return (req, res, next) => {
    const { error } = schema.validate(req.body, { abortEarly: false });
    
    if (error) {
      return res.status(400).json({
        success: false,
        error: 'Validation error',
        details: error.details.map(d => d.message),
      });
    }
    
    next();
  };
};

module.exports = {
  validateCreateToken: validate(createTokenSchema),
  validateUpdateToken: validate(updateTokenSchema),
};