// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later

// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later

#include "common/logging.h"
#include "common/uuid.h"
#include "core/hle/service/cmif_serialization.h"
#include "core/hle/service/ns/query_service.h"
#include "core/hle/service/service.h"
#include "core/launch_timestamp_cache.h"
#include "frontend_common/play_time_manager.h"

namespace Service::NS {

IQueryService::IQueryService(Core::System& system_) : ServiceFramework{system_, "pdm:qry"},
    play_time_manager{std::make_unique<PlayTime::PlayTimeManager>()} {
    // clang-format off
    static const FunctionInfo functions[] = {
        {0, nullptr, "QueryAppletEvent"},
        {1, nullptr, "QueryPlayStatistics"},
        {2, nullptr, "QueryPlayStatisticsByUserAccountId"},
        {3, nullptr, "QueryPlayStatisticsByNetworkServiceAccountId"},
        {4, nullptr, "QueryPlayStatisticsByApplicationId"},
        {5, D<&IQueryService::QueryPlayStatisticsByApplicationIdAndUserAccountId>, "QueryPlayStatisticsByApplicationIdAndUserAccountId"},
        {6, nullptr, "QueryPlayStatisticsByApplicationIdAndNetworkServiceAccountId"},
        {7, nullptr, "QueryLastPlayTimeV0"},
        {8, nullptr, "QueryPlayEvent"},
        {9, nullptr, "GetAvailablePlayEventRange"},
        {10, nullptr, "QueryAccountEvent"},
        {11, nullptr, "QueryAccountPlayEvent"},
        {12, nullptr, "GetAvailableAccountPlayEventRange"},
        {13, nullptr, "QueryApplicationPlayStatisticsForSystemV0"},
        {14, nullptr, "QueryRecentlyPlayedApplication"},
        {15, nullptr, "GetRecentlyPlayedApplicationUpdateEvent"},
        {16, nullptr, "QueryApplicationPlayStatisticsByUserAccountIdForSystemV0"},
        {17, D<&IQueryService::QueryLastPlayTime>, "QueryLastPlayTime"},
        {18, D<&IQueryService::QueryApplicationPlayStatisticsForSystem>, "QueryApplicationPlayStatisticsForSystem"},
        {19, D<&IQueryService::QueryApplicationPlayStatisticsByUserAccountIdForSystem>, "QueryApplicationPlayStatisticsByUserAccountIdForSystem"},
        { 30, nullptr, "Cmd30" },
        { 31, nullptr, "Cmd31" },
        { 100, nullptr, "Cmd100" },
        { 110, nullptr, "Cmd110" },
        { 118, nullptr, "Cmd118" },
        { 119, nullptr, "Cmd119" },
    };
    // clang-format on

    RegisterHandlers(functions);
}

IQueryService::~IQueryService() = default;

Result IQueryService::QueryPlayStatisticsByApplicationIdAndUserAccountId(
    Out<PlayStatistics> out_play_statistics, bool unknown, u64 application_id, Uid account_id) {
    // TODO(German77): Read statistics of the game
    *out_play_statistics = {
        .application_id = application_id,
        .total_launches = 1,
    };

    LOG_WARNING(Service_NS, "(STUBBED) called. unknown={}. application_id={:016X}, account_id={}",
                unknown, application_id, account_id.uuid.FormattedString());
    R_SUCCEED();
}

Result IQueryService::QueryLastPlayTime(
    Out<s32> out_entries, u8 unknown,
    OutArray<LastPlayTime, BufferAttr_HipcMapAlias> out_last_play_times,
    InArray<s32, BufferAttr_HipcMapAlias> application_ids) {
    *out_entries = 1;
    *out_last_play_times = {};
    R_SUCCEED();
}

Result IQueryService::QueryApplicationPlayStatisticsForSystem(
    Out<s32> out_entries, u8 flag,
    OutArray<ApplicationPlayStatistics, BufferAttr_HipcMapAlias> out_stats,
    InArray<u64, BufferAttr_HipcMapAlias> application_ids) {
    const size_t count = std::min(out_stats.size(), application_ids.size());
    s32 written = 0;
    for (size_t i = 0; i < count; ++i) {
        const u64 app_id = application_ids[i];
        ApplicationPlayStatistics stats{};
        stats.application_id = app_id;
        stats.play_time_ns = play_time_manager->GetPlayTime(app_id) * 1'000'000'000ULL;
        stats.launch_count = Core::LaunchTimestampCache::GetLaunchCount(app_id);
        out_stats[i] = stats;
        ++written;
    }
    *out_entries = written;
    LOG_DEBUG(Service_NS, "called, entries={} flag={}", written, flag);
    R_SUCCEED();
}

Result IQueryService::QueryApplicationPlayStatisticsByUserAccountIdForSystem(
    Out<s32> out_entries, u8 flag, Common::UUID user_id,
    OutArray<ApplicationPlayStatistics, BufferAttr_HipcMapAlias> out_stats,
    InArray<u64, BufferAttr_HipcMapAlias> application_ids) {
    // well we don't do per-user tracking :>
    return QueryApplicationPlayStatisticsForSystem(out_entries, flag, out_stats, application_ids);
}

} // namespace Service::NS