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

// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later

#include "audio_core/audio_manager.h"
#include "common/thread.h"
#include "core/core.h"
#include "core/hle/service/audio/errors.h"

namespace AudioCore {

AudioManager::AudioManager() {
    thread = std::jthread([this](std::stop_token stop_token) {
        Common::SetCurrentThreadName("AudioManager");
        std::unique_lock l{events.GetAudioEventLock()};
        events.ClearEvents();
        while (!stop_token.stop_requested()) {
            const auto timed_out{events.Wait(l, std::chrono::seconds(2))};
            if (events.CheckAudioEventSet(Event::Type::Max)) {
                break;
            }
            for (size_t i = 0; i < buffer_events.size(); i++) {
                const auto event_type = Event::Type(i);
                if (events.CheckAudioEventSet(event_type) || timed_out) {
                    if (buffer_events[i]) {
                        buffer_events[i]();
                    }
                }
                events.SetAudioEvent(event_type, false);
            }
        }
    });
}

void AudioManager::Shutdown() {
    events.SetAudioEvent(Event::Type::Max, true);
    if (thread.joinable()) {
        thread.request_stop();
        thread.join();
    }
}

Result AudioManager::SetOutManager(BufferEventFunc buffer_func) {
    if (thread.joinable()) {
        std::scoped_lock l{lock};
        const auto index{events.GetManagerIndex(Event::Type::AudioOutManager)};
        if (buffer_events[index] == nullptr) {
            buffer_events[index] = std::move(buffer_func);
            needs_update = true;
            events.SetAudioEvent(Event::Type::AudioOutManager, true);
        }
        return ResultSuccess;
    }
    return Service::Audio::ResultOperationFailed;
}

Result AudioManager::SetInManager(BufferEventFunc buffer_func) {
    if (thread.joinable()) {
        std::scoped_lock l{lock};
        const auto index{events.GetManagerIndex(Event::Type::AudioInManager)};
        if (buffer_events[index] == nullptr) {
            buffer_events[index] = std::move(buffer_func);
            needs_update = true;
            events.SetAudioEvent(Event::Type::AudioInManager, true);
        }
        return ResultSuccess;
    }
    return Service::Audio::ResultOperationFailed;
}

void AudioManager::SetEvent(const Event::Type type, const bool signalled) {
    events.SetAudioEvent(type, signalled);
}

} // namespace AudioCore