// Copyright 2013 Google Inc. All Rights Reserved.
//
#ifndef CDM_BASE_DEVICE_FILES_H_
#define CDM_BASE_DEVICE_FILES_H_

#include "wv_cdm_types.h"

namespace wvcdm {

class DeviceFiles {
 public:
  typedef enum {
    kLicenseStateActive,
    kLicenseStateReleasing,
    kLicenseStateUnknown,
  } LicenseState;

  static bool StoreCertificate(const std::string& certificate,
                               const std::string& wrapped_private_key);
  static bool RetrieveCertificate(std::string* certificate,
                                  std::string* wrapped_private_key);

  static bool StoreLicense(const std::string& key_set_id,
                           const LicenseState state,
                           const CdmInitData& pssh_data,
                           const CdmKeyMessage& key_request,
                           const CdmKeyResponse& key_response,
                           const CdmKeyMessage& key_renewal_request,
                           const CdmKeyResponse& key_renewal_response,
                           const std::string& release_server_url);
  static bool RetrieveLicense(const std::string& key_set_id,
                              LicenseState* state,
                              CdmInitData* pssh_data,
                              CdmKeyMessage* key_request,
                              CdmKeyResponse* key_response,
                              CdmKeyMessage* key_renewal_request,
                              CdmKeyResponse* key_renewal_response,
                              std::string* release_server_url);
  static bool DeleteLicense(const std::string& key_set_id);
  static bool LicenseExists(const std::string& key_set_id);

  static std::string GetBasePath(const char* dir);
  static const char* kBasePath;
  static const char* kPathDelimiter;
  static const char* kDeviceCertificateFileName;
  static const char* kLicenseFileNameExt;

 private:
  static bool Hash(const std::string& data, std::string* hash);
  static bool StoreFile(const char* name, const std::string& data);
  static bool RetrieveFile(const char* name, std::string* data);

  CORE_DISALLOW_COPY_AND_ASSIGN(DeviceFiles);
};  // namespace wvcdm

}

#endif  // CDM_BASE_DEVICE_FILES_H_