#include "notifier.h"

#include <M5Cardputer.h>

namespace roro {

namespace {
constexpr int kLedPin = 21;  // WS2812, powered with the backlight rail (G38)
}

Notifier::Notifier(EventBus& bus, const Settings& settings) : settings_(settings) {
    bus.subscribe(EventType::Notification, [this](const Event& e) {
        toasts_.push(e.text, static_cast<NotificationLevel>(e.a), millis());
    });
}

void Notifier::alert(NotificationLevel level, uint32_t nowMs) {
    if (!settings_.getBool(Setting::Sound)) return;
    M5Cardputer.Speaker.tone(level == NotificationLevel::Warning ? 880 : 1760, 60);
    switch (level) {
        case NotificationLevel::Warning: rgbLedWrite(kLedPin, 40, 16, 0); break;
        case NotificationLevel::Message: rgbLedWrite(kLedPin, 0, 40, 0); break;
        default: rgbLedWrite(kLedPin, 0, 16, 40); break;
    }
    ledOn_ = true;
    ledOffAtMs_ = nowMs + 150;
}

void Notifier::update(uint32_t nowMs) {
    const Toast* shown = toasts_.current(nowMs);
    if (shown && shown->id != alertedId_) {
        alertedId_ = shown->id;
        alert(shown->level, nowMs);
        if (onShow) onShow(nowMs, nowMs + kToastMs);
    }
    if (ledOn_ && static_cast<int32_t>(nowMs - ledOffAtMs_) >= 0) {
        rgbLedWrite(kLedPin, 0, 0, 0);
        ledOn_ = false;
    }
}

}  // namespace roro