#include "LeaderboardManager.h"

#include "app/linux/LinuxGame.h"
#include "util/StringHelpers.h"

const std::string LeaderboardManager::filterNames[eNumFilterModes] = {
    "Friends", "MyScore", "TopRank"};

void LeaderboardManager::DeleteInstance() {
    delete m_instance;
    m_instance = nullptr;
}

LeaderboardManager::LeaderboardManager() {
    zeroReadParameters();

    m_myXUID = INVALID_XUID;
}

void LeaderboardManager::zeroReadParameters() {
    m_difficulty = -1;
    m_statsType = eStatsType_UNDEFINED;
    m_readListener = nullptr;
    m_startIndex = 0;
    m_readCount = 0;
    m_eFilterMode = eFM_UNDEFINED;
}

bool LeaderboardManager::ReadStats_Friends(LeaderboardReadListener* listener,
                                           int difficulty, EStatsType type,
                                           PlayerUID myUID,
                                           unsigned int startIndex,
                                           unsigned int readCount) {
    zeroReadParameters();

    m_readListener = listener;
    m_difficulty = difficulty;
    m_statsType = type;

    m_eFilterMode = eFM_Friends;
    return true;
}

bool LeaderboardManager::ReadStats_MyScore(LeaderboardReadListener* listener,
                                           int difficulty, EStatsType type,
                                           PlayerUID myUID,
                                           unsigned int readCount) {
    zeroReadParameters();

    m_readListener = listener;
    m_difficulty = difficulty;
    m_statsType = type;

    m_readCount = readCount;

    m_eFilterMode = eFM_MyScore;
    return true;
}

bool LeaderboardManager::ReadStats_TopRank(LeaderboardReadListener* listener,
                                           int difficulty, EStatsType type,
                                           unsigned int startIndex,
                                           unsigned int readCount) {
    zeroReadParameters();

    m_readListener = listener;
    m_difficulty = difficulty;
    m_statsType = type;

    m_startIndex = startIndex;
    m_readCount = readCount;

    m_eFilterMode = eFM_TopRank;
    return true;
}

void LeaderboardManager::printStats(ReadView& view) {
    app.DebugPrintf(
        "[LeaderboardManager] Printing stats:\n"
        "\tnumQueries=%i\n",
        view.m_numQueries);

    for (unsigned int i = 0; i < view.m_numQueries; i++) {
        ReadScore score = view.m_queries[i];

        app.DebugPrintf("\tname='%s'\n",
                        score.m_name.c_str());
        app.DebugPrintf("\trank='%i'\n", score.m_rank);

        app.DebugPrintf("\tstatsData=[");
        for (int j = 0; j < score.m_statsSize; j++)
            app.DebugPrintf(" %i", score.m_statsData[j]);
        app.DebugPrintf("]\n");
    }
}

bool DebugReadListener::OnStatsReadComplete(
    IPlatformLeaderboard::eStatsReturn success, int numResults,
    IPlatformLeaderboard::ViewOut results) {
    app.DebugPrintf("[DebugReadListener] OnStatsReadComplete, %s:\n",
                    (success ? "success" : "FAILED"));
    LeaderboardManager::printStats(results);

    return true;
}

DebugReadListener* DebugReadListener::m_instance = new DebugReadListener();