#pragma once

#include <cstdint>

namespace microbu {

/// XIAO ESP32-C5 active-low user LED: a visual indicator for TX/RX activity.
class BoardControls {
public:
    /// @brief Configures the LED GPIO and sets its idle state.
    BoardControls();

    enum class LedMode {
        normal_tx,   // Normally off, pulses on upon frame dissemination
        inverted_rx  // Normally on, pulses off upon frame reception
    };

    /// @brief Triggers visual indication (blink on in normal_tx mode, blink off in inverted_rx mode).
    void blink();
    /// @brief Updates LED state and checks indication timers; call periodically.
    void tick();

private:
    void apply_led_state();

    LedMode mode_ = LedMode::normal_tx;
    bool pulsing_ = false;
    std::int64_t pulse_until_us_ = 0;
};

} // namespace microbu