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#include <cstring>
#include <algorithm>
#include "NotificationManager.h"
using namespace Pinetime::Controllers;
constexpr uint8_t NotificationManager::MessageSize;
void NotificationManager::Push(Pinetime::Controllers::NotificationManager::Categories category,
const char *message, uint8_t currentMessageSize) {
// TODO handle edge cases on read/write index
auto checkedSize = std::min(currentMessageSize, MessageSize);
auto& notif = notifications[writeIndex];
std::memcpy(notif.message.data(), message, checkedSize);
notif.message[checkedSize] = '\0';
notif.category = category;
notif.id = GetNextId();
notif.valid = true;
writeIndex = (writeIndex + 1 < TotalNbNotifications) ? writeIndex + 1 : 0;
if(!empty)
readIndex = (readIndex + 1 < TotalNbNotifications) ? readIndex + 1 : 0;
else empty = false;
newNotification = true;
}
NotificationManager::Notification NotificationManager::GetLastNotification() {
NotificationManager::Notification notification = notifications[readIndex];
return notification;
}
NotificationManager::Notification::Id NotificationManager::GetNextId() {
return nextId++;
}
NotificationManager::Notification NotificationManager::GetNext(NotificationManager::Notification::Id id) {
auto currentIterator = std::find_if(notifications.begin(), notifications.end(), [id](const Notification& n){return n.valid && n.id == id;});
if(currentIterator == notifications.end() || currentIterator->id != id) return Notification{};
auto& lastNotification = notifications[readIndex];
NotificationManager::Notification result;
if(currentIterator == (notifications.end()-1))
result = *(notifications.begin());
else
result = *(currentIterator+1);
if(result.id <= id) return {};
result.index = (lastNotification.id - result.id)+1;
return result;
}
NotificationManager::Notification NotificationManager::GetPrevious(NotificationManager::Notification::Id id) {
auto currentIterator = std::find_if(notifications.begin(), notifications.end(), [id](const Notification& n){return n.valid && n.id == id;});
if(currentIterator == notifications.end() || currentIterator->id != id) return Notification{};
auto& lastNotification = notifications[readIndex];
NotificationManager::Notification result;
if(currentIterator == notifications.begin())
result = *(notifications.end()-1);
else
result = *(currentIterator-1);
if(result.id >= id) return {};
result.index = (lastNotification.id - result.id)+1;
return result;
}
bool NotificationManager::AreNewNotificationsAvailable() {
return newNotification;
}
bool NotificationManager::ClearNewNotificationFlag() {
return newNotification.exchange(false);
}
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