#include "cardboy/sdk/status_bar.hpp"

#include <algorithm>
#include <cctype>
#include <cstdio>

namespace cardboy::sdk {

StatusBar& StatusBar::instance() {
    static StatusBar bar;
    return bar;
}

void StatusBar::setEnabled(bool value) { enabled_ = value; }

void StatusBar::toggle() {
    enabled_ = !enabled_;
    if (services_ && services_->buzzer)
        services_->buzzer->beepMove();
}

void StatusBar::setCurrentAppName(std::string_view name) {
    appName_.assign(name.begin(), name.end());
    std::transform(appName_.begin(), appName_.end(), appName_.begin(), [](unsigned char ch) {
        return static_cast<char>(std::toupper(ch));
    });
}

bool StatusBar::handleToggleInput(const InputState& current, const InputState& previous) {
    const bool comboNow  = current.start && current.select && current.up;
    const bool comboPrev = previous.start && previous.select && previous.up;
    if (comboNow && !comboPrev) {
        toggle();
        return true;
    }
    return false;
}

std::string StatusBar::prepareLeftText(int displayWidth) const {
    std::string text = appName_.empty() ? std::string("CARDBOY") : appName_;
    int         maxWidth = std::max(0, displayWidth - 32);
    while (!text.empty() && font16x8::measureText(text, 1, 1) > maxWidth)
        text.pop_back();
    return text;
}

std::string StatusBar::prepareRightText() const {
    if (!services_)
        return {};

    std::string right;
    if (services_->battery && services_->battery->hasData()) {
        const float charge = services_->battery->charge();
        char        buf[32];
        if (charge > 0.0f && charge <= 1.5f) {
            const int pct = std::clamp(static_cast<int>(charge * 100.0f + 0.5f), 0, 100);
            std::snprintf(buf, sizeof(buf), "BAT %d%%", pct);
        } else {
            std::snprintf(buf, sizeof(buf), "BAT %.2fV", static_cast<double>(services_->battery->voltage()));
        }
        right.assign(buf);
    }

    if (services_->powerManager && services_->powerManager->isSlowMode()) {
        if (!right.empty())
            right.append(" ");
        right.append("SLOW");
    }

    if (services_->buzzer && services_->buzzer->isMuted()) {
        if (!right.empty())
            right.append(" ");
        right.append("MUTE");
    }

    return right;
}

} // namespace cardboy::sdk