// hal/led_stub.h
#pragma once

class LedStub {
public:
    virtual ~LedStub() {}
    
    virtual void begin() = 0;
    virtual void set_led_state(uint8_t note, uint8_t channel, uint8_t velocity) = 0;
    virtual void clear_all() = 0;
    
    // Helper function to map MIDI note to LED index
    virtual uint8_t note_to_index(uint8_t note) {
        // Default implementation - direct mapping
        // Can be overridden by specific implementations
        return note;
    }
};

// LED state structure
struct LedState {
    uint8_t note;           // Launchpad note
    uint8_t channel;        // LED channel (1-3)
    uint8_t velocity;       // Color/brightness (0-127)
    uint32_t timestamp;     // When state was set
    bool active;           // Current on/off state
};