//
// Class to handle and manage integration with social networks.
// 4J Studios Ltd, 2011.
// Andy West
//

#if !defined(_SOCIAL_MANAGER_H)
#define _SOCIAL_MANAGER_H

#if !defined(__linux__)
#include <xsocialpost.h>
#endif

#define MAX_SOCIALPOST_CAPTION 60
#define MAX_SOCIALPOST_DESC 100

// XDK only provides for facebook so far. Others may follow!?
enum ESocialNetwork { eFacebook = 0, eNumSocialNetworks };

// Class follows singleton design pattern.
class CSocialManager {
private:
    // Default constructor, copy constructor and assignment operator are all
    // private.
    CSocialManager();
    CSocialManager(const CSocialManager&);
    CSocialManager& operator=(const CSocialManager&);

    // Static private instance.
    static CSocialManager* m_pInstance;

    // Bitset of title posting capability flags ( XSOCIAL_CAPABILITY_POSTIMAGE,
    // XSOCIAL_CAPABILITY_POSTLINK ).
    uint32_t m_dwSocialPostingCapability;

    // Index of user who made current active request.
    uint32_t m_dwCurrRequestUser;

    // WESTY : Not sure if we even need to get social access key!
    /*
            // Size of the social network access key text buffer.
            uint32_t		m_dwAccessKeyTextSize;

            // Pointer to the social network access key text buffer.
            wchar_t*		m_pAccessKeyText;
            */

    // The various states of the manager.
    enum EState {
        eStateUnitialised = 0,
        eStateReady,
        eStateGetPostingCapability,
        eStatePostingImage,
        eStatePostingLink,
    };

    // Current state that manager is in.
    EState m_eCurrState;

    // For xsocial asyncronous operations.
    XOVERLAPPED m_Overlapped;
    uint32_t m_dwOverlappedResultCode;

    // Social post preview image struct.
    XSOCIAL_PREVIEWIMAGE m_PostPreviewImage;

    // Image details for posting an image to social network.
    unsigned char* m_pMainImageBuffer;
    uint32_t m_dwMainImageBufferSize;

    void DestroyMainPostImage();
    void DestroyPreviewPostImage();

    // WESTY : Not sure if we even need to get social access key!
    /*
            bool	GetSocialNetworkAccessKey( ESocialNetwork
       eSocialNetwork, uint32_t dwUserIndex, bool bUsingKinect, uint32_t
       dwUserTrackingIndex, bool bShowNetworkSignin );
    */

public:
    // Retrieve singleton instance.
    static CSocialManager* Instance();

    // To be called once during game init.
    void Initialise();

    // Tick the social manager. Only does anything in async mode, polls for
    // results of async actions.
    void Tick();

    // May need to be called if something changes (i.e. player signs in to live
    // ).
    bool RefreshPostingCapability();

    // Returns true if any social newtork posting is allowed by us, false if not
    // (if false, game must not display any social network UI).
    bool IsTitleAllowedToPostAnything();

    // Returns true if we are allowed to post images to social networks.
    bool IsTitleAllowedToPostImages();

    // Returns true if we are allowed to post links to social networks.
    bool IsTitleAllowedToPostLinks();

    // Returns false if any of the live signed in users have disabled
    // XPRIVILEGE_SOCIAL_NETWORK_SHARING
    bool AreAllUsersAllowedToPostImages();

    // Post a test link to social network.
    bool PostLinkToSocialNetwork(ESocialNetwork eSocialNetwork,
                                 uint32_t dwUserIndex, bool bUsingKinect);

    // Post a test image to social network.
    bool PostImageToSocialNetwork(ESocialNetwork eSocialNetwork,
                                  uint32_t dwUserIndex, bool bUsingKinect);

    void SetSocialPostText(const wchar_t* Title, const wchar_t* Caption,
                           const wchar_t* Desc);

    // WESTY : Not sure if we even need to get social access key!
    /*
            // We do not currently know what this is used for. We may not even
       need it? bool	ObtainSocialNetworkAccessKey( ESocialNetwork
       eSocialNetwork, uint32_t dwUserIndex, bool bUsingKinect );
            */

private:
    wchar_t m_wchTitleA[MAX_SOCIALPOST_CAPTION + 1];
    wchar_t m_wchCaptionA[MAX_SOCIALPOST_CAPTION + 1];
    wchar_t m_wchDescA[MAX_SOCIALPOST_DESC + 1];
};

#endif