//==========================  Open Steamworks  ================================
//
// This file is part of the Open Steamworks project. All individuals associated
// with this project do not claim ownership of the contents
//
// The code, comments, and all related files, projects, resources,
// redistributables included with this project are Copyright Valve Corporation.
// Additionally, Valve, the Valve logo, Half-Life, the Half-Life logo, the
// Lambda logo, Steam, the Steam logo, Team Fortress, the Team Fortress logo,
// Opposing Force, Day of Defeat, the Day of Defeat logo, Counter-Strike, the
// Counter-Strike logo, Source, the Source logo, and Counter-Strike Condition
// Zero are trademarks and or registered trademarks of Valve Corporation.
// All other trademarks are property of their respective owners.
//
//=============================================================================

#ifndef ISTEAMUSERSTATS011_H
#define ISTEAMUSERSTATS011_H
#ifdef _WIN32
#pragma once
#endif

#include "SteamTypes.h"
#include "UserStatsCommon.h"

//-----------------------------------------------------------------------------
// Purpose: Functions for accessing stats, achievements, and leaderboard information
//-----------------------------------------------------------------------------
abstract_class ISteamUserStats011
{
public:
	// Ask the server to send down this user's data and achievements for this game
	virtual bool RequestCurrentStats() = 0;

	// Data accessors
#if !(defined(_WIN32) && defined(__GNUC__))
	virtual bool GetStat(const char *pchName, int32 *pData) = 0;
	virtual bool GetStat(const char *pchName, float *pData) = 0;
#else
	virtual bool GetStat(const char *pchName, float *pData) = 0;
	virtual bool GetStat(const char *pchName, int32 *pData) = 0;
#endif

	// Set / update data
#if !(defined(_WIN32) && defined(__GNUC__))
	virtual bool SetStat(const char *pchName, int32 nData) = 0;
	virtual bool SetStat(const char *pchName, float fData) = 0;
#else
	virtual bool SetStat(const char *pchName, float fData) = 0;
	virtual bool SetStat(const char *pchName, int32 nData) = 0;
#endif
	virtual bool UpdateAvgRateStat(const char *pchName, float flCountThisSession, double dSessionLength) = 0;

	// Achievement flag accessors
	virtual bool GetAchievement(const char *pchName, bool *pbAchieved) = 0;
	virtual bool SetAchievement(const char *pchName) = 0;
	virtual bool ClearAchievement(const char *pchName) = 0;

	// Get the achievement status, and the time it was unlocked if unlocked.
	// If the return value is true, but the unlock time is zero, that means it was unlocked before Steam
	// began tracking achievement unlock times (December 2009). Time is seconds since January 1, 1970.
	virtual bool GetAchievementAndUnlockTime(const char *pchName, bool *pbAchieved, uint32 *punUnlockTime) = 0;

	// Store the current data on the server, will get a callback when set
	// And one callback for every new achievement
	//
	// If the callback has a result of k_EResultInvalidParam, one or more stats
	// uploaded has been rejected, either because they broke constraints
	// or were out of date. In this case the server sends back updated values.
	// The stats should be re-iterated to keep in sync.
	virtual bool StoreStats() = 0;

	// Achievement / GroupAchievement metadata

	// Gets the icon of the achievement, which is a handle to be used in IClientUtils::GetImageRGBA(), or 0 if none set.
	// A return value of 0 may indicate we are still fetching data, and you can wait for the UserAchievementIconFetched_t callback
	// which will notify you when the bits are ready. If the callback still returns zero, then there is no image set for the
	// specified achievement.
	virtual int GetAchievementIcon(const char *pchName) = 0;
	// Get general attributes (display name, desc, etc) for an Achievement
	virtual const char *GetAchievementDisplayAttribute(const char *pchName, const char *pchKey) = 0;

	// Achievement progress - triggers an AchievementProgress callback, that is all.
	// Calling this w/ N out of N progress will NOT set the achievement, the game must still do that.
	virtual bool IndicateAchievementProgress(const char *pchName, uint32 nCurProgress, uint32 nMaxProgress) = 0;

	// Get the number of achievements
	virtual uint32 GetNumAchievements() = 0;
	// Get achievement name iAchievement in [0,GetNumAchievements)
	virtual const char *GetAchievementName(uint32 iAchievement) = 0;

	// Friends stats & achievements

	// downloads stats for the user
	// returns a UserStatsReceived_t received when completed
	// if the other user has no stats, UserStatsReceived_t.m_eResult will be set to k_EResultFail
	// these stats won't be auto-updated; you'll need to call RequestUserStats() again to refresh any data
	virtual SteamAPICall_t RequestUserStats(CSteamID steamIDUser) = 0;

	// requests stat information for a user, usable after a successful call to RequestUserStats()
#if !(defined(_WIN32) && defined(__GNUC__))
	virtual bool GetUserStat(CSteamID steamIDUser, const char *pchName, int32 *pData) = 0;
	virtual bool GetUserStat(CSteamID steamIDUser, const char *pchName, float *pData) = 0;
#else
	virtual bool GetUserStat(CSteamID steamIDUser, const char *pchName, float *pData) = 0;
	virtual bool GetUserStat(CSteamID steamIDUser, const char *pchName, int32 *pData) = 0;
#endif
	virtual bool GetUserAchievement(CSteamID steamIDUser, const char *pchName, bool *pbAchieved) = 0;
	// See notes for GetAchievementAndUnlockTime above
	virtual bool GetUserAchievementAndUnlockTime(CSteamID steamIDUser, const char *pchName, bool *pbAchieved, uint32 *punUnlockTime) = 0;

	// Reset stats
	virtual bool ResetAllStats(bool bAchievementsToo) = 0;

	// Leaderboard functions

	// asks the Steam back-end for a leaderboard by name, and will create it if it's not yet
	// This call is asynchronous, with the result returned in LeaderboardFindResult_t
	virtual SteamAPICall_t FindOrCreateLeaderboard(const char *pchLeaderboardName, ELeaderboardSortMethod eLeaderboardSortMethod, ELeaderboardDisplayType eLeaderboardDisplayType) = 0;

	// as above, but won't create the leaderboard if it's not found
	// This call is asynchronous, with the result returned in LeaderboardFindResult_t
	virtual SteamAPICall_t FindLeaderboard(const char *pchLeaderboardName) = 0;

	// returns the name of a leaderboard
	virtual const char *GetLeaderboardName(SteamLeaderboard_t hSteamLeaderboard) = 0;

	// returns the total number of entries in a leaderboard, as of the last request
	virtual int GetLeaderboardEntryCount(SteamLeaderboard_t hSteamLeaderboard) = 0;

	// returns the sort method of the leaderboard
	virtual ELeaderboardSortMethod GetLeaderboardSortMethod(SteamLeaderboard_t hSteamLeaderboard) = 0;

	// returns the display type of the leaderboard
	virtual ELeaderboardDisplayType GetLeaderboardDisplayType(SteamLeaderboard_t hSteamLeaderboard) = 0;

	// Asks the Steam back-end for a set of rows in the leaderboard.
	// This call is asynchronous, with the result returned in LeaderboardScoresDownloaded_t
	// LeaderboardScoresDownloaded_t will contain a handle to pull the results from GetDownloadedLeaderboardEntries() (below)
	// You can ask for more entries than exist, and it will return as many as do exist.
	// k_ELeaderboardDataRequestGlobal requests rows in the leaderboard from the full table, with nRangeStart & nRangeEnd in the range [1, TotalEntries]
	// k_ELeaderboardDataRequestGlobalAroundUser requests rows around the current user, nRangeStart being negate
	//   e.g. DownloadLeaderboardEntries( hLeaderboard, k_ELeaderboardDataRequestGlobalAroundUser, -3, 3 ) will return 7 rows, 3 before the user, 3 after
	// k_ELeaderboardDataRequestFriends requests all the rows for friends of the current user
	virtual SteamAPICall_t DownloadLeaderboardEntries(SteamLeaderboard_t hSteamLeaderboard, ELeaderboardDataRequest eLeaderboardDataRequest, int nRangeStart, int nRangeEnd) = 0;
	// as above, but downloads leaderboard entries for an arbitrary set of users - ELeaderboardDataRequest is k_ELeaderboardDataRequestUsers
	// if a user doesn't have a leaderboard entry, they won't be included in the result
	// a max of 100 users can be downloaded at a time, with only one outstanding call at a time
	virtual SteamAPICall_t DownloadLeaderboardEntriesForUsers(SteamLeaderboard_t hSteamLeaderboard, CSteamID *prgUsers, int cUsers) = 0;

	// Returns data about a single leaderboard entry
	// use a for loop from 0 to LeaderboardScoresDownloaded_t::m_cEntryCount to get all the downloaded entries
	// e.g.
	//		void OnLeaderboardScoresDownloaded( LeaderboardScoresDownloaded_t *pLeaderboardScoresDownloaded )
	//		{
	//			for ( int index = 0; index < pLeaderboardScoresDownloaded->m_cEntryCount; index++ )
	//			{
	//				LeaderboardEntry_t leaderboardEntry;
	//				int32 details[3];		// we know this is how many we've stored previously
	//				GetDownloadedLeaderboardEntry( pLeaderboardScoresDownloaded->m_hSteamLeaderboardEntries, index, &leaderboardEntry, details, 3 );
	//				assert( leaderboardEntry.m_cDetails == 3 );
	//				...
	//			}
	// once you've accessed all the entries, the data will be free'd, and the SteamLeaderboardEntries_t handle will become invalid
	virtual bool GetDownloadedLeaderboardEntry(SteamLeaderboardEntries_t hSteamLeaderboardEntries, int index, LeaderboardEntry_t *pLeaderboardEntry, int32 pDetails[], int cDetailsMax) = 0;

	// Uploads a user score to the Steam back-end.
	// This call is asynchronous, with the result returned in LeaderboardScoreUploaded_t
	// Details are extra game-defined information regarding how the user got that score
	// pScoreDetails points to an array of int32's, cScoreDetailsCount is the number of int32's in the list
	virtual SteamAPICall_t UploadLeaderboardScore(SteamLeaderboard_t hSteamLeaderboard, ELeaderboardUploadScoreMethod eLeaderboardUploadScoreMethod, int32 nScore, const int32 *pScoreDetails, int cScoreDetailsCount) = 0;

	// Attaches a piece of user generated content the user's entry on a leaderboard.
	// hContent is a handle to a piece of user generated content that was shared using ISteamUserRemoteStorage::FileShare().
	// This call is asynchronous, with the result returned in LeaderboardUGCSet_t.
	virtual SteamAPICall_t AttachLeaderboardUGC(SteamLeaderboard_t hSteamLeaderboard, UGCHandle_t hUGC) = 0;

	// Retrieves the number of players currently playing your game (online + offline)
	// This call is asynchronous, with the result returned in NumberOfCurrentPlayers_t
	virtual SteamAPICall_t GetNumberOfCurrentPlayers() = 0;

	// Requests that Steam fetch data on the percentage of players who have received each achievement
	// for the game globally.
	// This call is asynchronous, with the result returned in GlobalAchievementPercentagesReady_t.
	virtual SteamAPICall_t RequestGlobalAchievementPercentages() = 0;

	// Get the info on the most achieved achievement for the game, returns an iterator index you can use to fetch
	// the next most achieved afterwards.  Will return -1 if there is no data on achievement
	// percentages (ie, you haven't called RequestGlobalAchievementPercentages and waited on the callback).
	virtual int GetMostAchievedAchievementInfo(char *pchName, uint32 unNameBufLen, float *pflPercent, bool *pbAchieved) = 0;

	// Get the info on the next most achieved achievement for the game. Call this after GetMostAchievedAchievementInfo or another
	// GetNextMostAchievedAchievementInfo call passing the iterator from the previous call. Returns -1 after the last
	// achievement has been iterated.
	virtual int GetNextMostAchievedAchievementInfo(int iIteratorPrevious, char *pchName, uint32 unNameBufLen, float *pflPercent, bool *pbAchieved) = 0;

	// Returns the percentage of users who have achieved the specified achievement.
	virtual bool GetAchievementAchievedPercent(const char *pchName, float *pflPercent) = 0;

	// Requests global stats data, which is available for stats marked as "aggregated".
	// This call is asynchronous, with the results returned in GlobalStatsReceived_t.
	// nHistoryDays specifies how many days of day-by-day history to retrieve in addition
	// to the overall totals. The limit is 60.
	virtual SteamAPICall_t RequestGlobalStats(int nHistoryDays) = 0;

	// Gets the lifetime totals for an aggregated stat
#if !(defined(_WIN32) && defined(__GNUC__))
	virtual bool GetGlobalStat(const char *pchStatName, int64 *pData) = 0;
	virtual bool GetGlobalStat(const char *pchStatName, double *pData) = 0;
#else
	virtual bool GetGlobalStat(const char *pchStatName, double *pData) = 0;
	virtual bool GetGlobalStat(const char *pchStatName, int64 *pData) = 0;
#endif

	// Gets history for an aggregated stat. pData will be filled with daily values, starting with today.
	// So when called, pData[0] will be today, pData[1] will be yesterday, and pData[2] will be two days ago,
	// etc. cubData is the size in bytes of the pubData buffer. Returns the number of
	// elements actually set.
#if !(defined(_WIN32) && defined(__GNUC__))
	virtual int32 GetGlobalStatHistory(const char *pchStatName, int64 *pData, uint32 cubData) = 0;
	virtual int32 GetGlobalStatHistory(const char *pchStatName, double *pData, uint32 cubData) = 0;
#else
	virtual int32 GetGlobalStatHistory(const char *pchStatName, double *pData, uint32 cubData) = 0;
	virtual int32 GetGlobalStatHistory(const char *pchStatName, int64 *pData, uint32 cubData) = 0;
#endif
};

#endif // ISTEAMUSERSTATS011_H
