#include "ModeTilt.hpp"
#include "utils.hpp"
#include "../globals.hpp"
#include <hyprland/src/Compositor.hpp>

EModeUpdate CModeTilt::strategy() {
    return TICK;
}

SModeResult CModeTilt::update(Vector2D pos) {
    static auto const* PFUNCTION = (Hyprlang::STRING const*)HyprlandAPI::getConfigValue(PHANDLE, CONFIG_TILT_FUNCTION)->getDataStaticPtr();
    static auto* const* PMASS = (Hyprlang::INT* const*)HyprlandAPI::getConfigValue(PHANDLE, CONFIG_TILT_LIMIT)->getDataStaticPtr();

    // create samples array
    int max = g_pHyprRenderer->m_pMostHzMonitor->refreshRate / 10; // 100ms worth of history
    samples.resize(max);

    // capture current sample
    samples[samples_index] = Vector2D{pos};
    int current = samples_index;
    samples_index = (samples_index + 1) % max; // increase for next sample
    int first = samples_index;

    // calculate speed and tilt
    double speed = (samples[current].x - samples[first].x) / 0.1;

    auto result = SModeResult();
    result.rotation = activation(*PFUNCTION, **PMASS, speed) * (PI / 3); // 120° in both directions
    return result;
}