// Copyright (C) 2026 Vita3K team
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

#pragma once

#include <ngs/system.h>
#include <ngs/types.h>

#define SCE_NGS_DELAY_PARAMS_STRUCT_ID 0x01015CEB

#define SCE_NGS_DELAY_MAX_TAPS 4

enum SceNgsDelayFilterMode : uint32_t {
    SCE_NGS_DELAY_FILTER_MODE_OFF,
    SCE_NGS_DELAY_FILTER_MODE_LOWPASS_ONEPOLE,
    SCE_NGS_DELAY_FILTER_MODE_HIGHPASS_ONEPOLE,
    SCE_NGS_DELAY_FILTER_MODE_ALLPASS
};

struct SceNgsDelayTap {
    SceFloat32 fDelayMillisecs;
    SceFloat32 fVolume;
    SceFloat32 fFeedback;
    SceNgsDelayFilterMode eFilterMode;
    SceFloat32 fCutoff;
    SceFloat32 fPhaseOffsetDeg;
    SceFloat32 fModWidthMillisecs;
};

struct SceNgsDelayParams {
    SceNgsParamsDescriptor desc;
    SceFloat32 fDryVol;
    SceFloat32 fModRate;
    SceNgsDelayTap taps[SCE_NGS_DELAY_MAX_TAPS];
};

namespace ngs {

class DelayModule : public Module {
public:
    bool process(KernelState &kern, const MemState &mem, const SceUID thread_id, ModuleData &data, std::unique_lock<std::recursive_mutex> &scheduler_lock, std::unique_lock<std::mutex> &voice_lock) override;
    uint32_t module_id() const override { return 0x5CEB; }

    static constexpr uint32_t get_max_parameter_size() {
        return sizeof(SceNgsDelayParams);
    }
    uint32_t get_buffer_parameter_size() const override {
        return get_max_parameter_size();
    }
};

} // namespace ngs
