// components/midi/midi_transport.h
#pragma once

#include <cstdint>
#include <freertos/FreeRTOS.h>
#include <freertos/queue.h>

struct MidiEvent {
    enum Type {
        NOTE_ON,
        NOTE_OFF,
        CONTROL_CHANGE,
        PROGRAM_CHANGE,
        PITCH_BEND,
        AFTERTOUCH_POLY,
        AFTERTOUCH_CHAN,
        SYSEX
    } type;
    
    uint8_t channel;      // MIDI channel (1-16)
    uint8_t data1;         // Note number or CC number
    uint8_t data2;         // Velocity or CC value
    uint32_t timestamp;   // Event timestamp
};

class UsbMidiTransport {
public:
    UsbMidiTransport();
    ~UsbMidiTransport();
    
    bool begin();
    void task();
    
    // Event queue for communication with controller task
    QueueHandle_t get_event_queue() const { return event_queue; }
    
    // Diagnostic logging
    void log_incoming(const char* source, const MidiEvent& event);
    
private:
    QueueHandle_t event_queue;
    bool initialized;
    
    // MIDI packet parsing
    void parse_midi_packet(const uint8_t* buffer, uint32_t size, MidiEvent& event);
};

// Task function for USB MIDI processing
void usb_midi_task(void* pvParameters);