// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_AUTOFILL_PERSONAL_DATA_MANAGER_H_
#define CHROME_BROWSER_AUTOFILL_PERSONAL_DATA_MANAGER_H_

#include <set>
#include <vector>

#include "base/scoped_ptr.h"
#include "base/scoped_vector.h"
#include "base/string16.h"
#include "chrome/browser/autofill/autofill_profile.h"
#include "chrome/browser/autofill/credit_card.h"
#include "chrome/browser/autofill/field_types.h"

class AutoFillManager;
class FormStructure;

// Handles loading and saving AutoFill profile information to the web database.
// This class also stores the profiles loaded from the database for use during
// AutoFill.
class PersonalDataManager {
 public:
  virtual ~PersonalDataManager();

  // If AutoFill is able to determine the field types of a significant number
  // of field types that contain information in the FormStructures and the user
  // has not previously been prompted, the user will be asked if he would like
  // to import the data. If the user selects yes, a profile will be created
  // with all of the information from recognized fields.
  bool ImportFormData(const std::vector<FormStructure*>& form_structures,
                      AutoFillManager* autofill_manager);

  // Gets the possible field types for the given text, determined by matching
  // the text with all known personal information and returning matching types.
  void GetPossibleFieldTypes(const string16& text,
                             FieldTypeSet* possible_types);

  // Returns true if the credit card information is stored with a password.
  bool HasPassword();

 private:
  // Make sure that only Profile can create an instance of PersonalDataManager.
  friend class ProfileImpl;

  PersonalDataManager();

  // Initializes the object if needed.  This should be called at the beginning
  // of all the public functions to make sure that the object has been properly
  // initialized before use.
  void InitializeIfNeeded();

  // This will create and reserve a new unique id for a profile.
  int CreateNextUniqueId();

  // Parses value to extract the components of a phone number and adds them to
  // profile.
  //
  // TODO(jhawkins): Investigate if this can be moved to PhoneField.
  void ParsePhoneNumber(AutoFillProfile* profile,
                        string16* value,
                        AutoFillFieldType number,
                        AutoFillFieldType city_code,
                        AutoFillFieldType country_code) const;

  // True if PersonalDataManager is initialized.
  bool is_initialized_;

  // The set of already created unique IDs, used to create a new unique ID.
  std::set<int> unique_ids_;

  // The loaded profiles.
  ScopedVector<FormGroup> profiles_;

  // The loaded credit cards.
  ScopedVector<FormGroup> credit_cards_;

  // The profile that is imported from a web form by ImportFormData.
  scoped_ptr<AutoFillProfile> imported_profile_;

  // The credit card that is imported from a web form by ImportFormData.
  scoped_ptr<CreditCard> imported_credit_card_;

  // The hash of the password used to store the credit card.  This is empty if
  // no password exists.
  string16 password_hash_;
};

#endif  // CHROME_BROWSER_AUTOFILL_PERSONAL_DATA_MANAGER_H_