#include "components/ble/AlertNotificationService.h"
#include <hal/nrf_rtc.h>
#include <cstring>
#include <algorithm>
#include "components/ble/NotificationManager.h"
#include "systemtask/SystemTask.h"

using namespace Pinetime::Controllers;

//constexpr ble_uuid16_t AlertNotificationService::ansUuid;
//constexpr ble_uuid16_t AlertNotificationService::ansCharUuid;
//constexpr ble_uuid128_t AlertNotificationService::notificationEventUuid;

int AlertNotificationCallback(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt* ctxt, void* arg) {
  auto anService = static_cast<AlertNotificationService*>(arg);
  return anService->OnAlert(conn_handle, attr_handle, ctxt);
}

void AlertNotificationService::Init() {
//  int res;
//  res = ble_gatts_count_cfg(serviceDefinition);
//  ASSERT(res == 0);
//
//  res = ble_gatts_add_svcs(serviceDefinition);
//  ASSERT(res == 0);
}

AlertNotificationService::AlertNotificationService(System::SystemTask& systemTask, NotificationManager& notificationManager)
  :
//  : characteristicDefinition {{.uuid = &ansCharUuid.u, .access_cb = AlertNotificationCallback, .arg = this, .flags = BLE_GATT_CHR_F_WRITE},
//                              {.uuid = &notificationEventUuid.u,
//                               .access_cb = AlertNotificationCallback,
//                               .arg = this,
//                               .flags = BLE_GATT_CHR_F_NOTIFY,
//                               .val_handle = &eventHandle},
//                              {0}},
//    serviceDefinition {
//      {/* Device Information Service */
//       .type = BLE_GATT_SVC_TYPE_PRIMARY,
//       .uuid = &ansUuid.u,
//       .characteristics = characteristicDefinition},
//      {0},
//    },
    systemTask {systemTask},
    notificationManager {notificationManager} {
}

int AlertNotificationService::OnAlert(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt* ctxt) {
//  if (ctxt->op == BLE_GATT_ACCESS_OP_WRITE_CHR) {
//    constexpr size_t stringTerminatorSize = 1; // end of string '\0'
//    constexpr size_t headerSize = 3;
//    const auto maxMessageSize {NotificationManager::MaximumMessageSize()};
//    const auto maxBufferSize {maxMessageSize + headerSize};
//
//    // Ignore notifications with empty message
//    const auto packetLen = OS_MBUF_PKTLEN(ctxt->om);
//    if (packetLen <= headerSize) {
//      return 0;
//    }
//
//    size_t bufferSize = std::min(packetLen + stringTerminatorSize, maxBufferSize);
//    auto messageSize = std::min(maxMessageSize, (bufferSize - headerSize));
//    Categories category;
//
//    NotificationManager::Notification notif;
//    os_mbuf_copydata(ctxt->om, headerSize, messageSize - 1, notif.message.data());
//    os_mbuf_copydata(ctxt->om, 0, 1, &category);
//    notif.message[messageSize - 1] = '\0';
//    notif.size = messageSize;
//
//    // TODO convert all ANS categories to NotificationController categories
//    switch (category) {
//      case Categories::Call:
//        notif.category = Pinetime::Controllers::NotificationManager::Categories::IncomingCall;
//        break;
//      default:
//        notif.category = Pinetime::Controllers::NotificationManager::Categories::SimpleAlert;
//        break;
//    }
//
//    auto event = Pinetime::System::Messages::OnNewNotification;
//    notificationManager.Push(std::move(notif));
//    systemTask.PushMessage(event);
//  }
  return 0;
}

void AlertNotificationService::AcceptIncomingCall() {
//  auto response = IncomingCallResponses::Answer;
//  auto* om = ble_hs_mbuf_from_flat(&response, 1);
//
//  uint16_t connectionHandle = systemTask.nimble().connHandle();
//
//  if (connectionHandle == 0 || connectionHandle == BLE_HS_CONN_HANDLE_NONE) {
//    return;
//  }
//
//  ble_gattc_notify_custom(connectionHandle, eventHandle, om);
}

void AlertNotificationService::RejectIncomingCall() {
//  auto response = IncomingCallResponses::Reject;
//  auto* om = ble_hs_mbuf_from_flat(&response, 1);
//
//  uint16_t connectionHandle = systemTask.nimble().connHandle();
//
//  if (connectionHandle == 0 || connectionHandle == BLE_HS_CONN_HANDLE_NONE) {
//    return;
//  }
//
//  ble_gattc_notify_custom(connectionHandle, eventHandle, om);
}

void AlertNotificationService::MuteIncomingCall() {
//  auto response = IncomingCallResponses::Mute;
//  auto* om = ble_hs_mbuf_from_flat(&response, 1);
//
//  uint16_t connectionHandle = systemTask.nimble().connHandle();
//
//  if (connectionHandle == 0 || connectionHandle == BLE_HS_CONN_HANDLE_NONE) {
//    return;
//  }
//
//  ble_gattc_notify_custom(connectionHandle, eventHandle, om);
}