/*
 * BLEServiceMap.cpp
 *
 *  Created on: Jun 22, 2017
 *      Author: kolban
 */
#include "sdkconfig.h"
#if defined(CONFIG_BT_ENABLED)
#include <stdio.h>
#include <iomanip>
#include "BLEService.h"


/**
 * @brief Return the service by UUID.
 * @param [in] UUID The UUID to look up the service.
 * @return The characteristic.
 */
BLEService* BLEServiceMap::getByUUID(const char* uuid) {
	return getByUUID(BLEUUID(uuid));
}

/**
 * @brief Return the service by UUID.
 * @param [in] UUID The UUID to look up the service.
 * @return The characteristic.
 */
BLEService* BLEServiceMap::getByUUID(BLEUUID uuid, uint8_t inst_id) {
	for (auto &myPair : m_uuidMap) {
		if (myPair.first->getUUID().equals(uuid)) {
			return myPair.first;
		}
	}
	//return m_uuidMap.at(uuid.toString());
	return nullptr;
} // getByUUID


/**
 * @brief Return the service by handle.
 * @param [in] handle The handle to look up the service.
 * @return The service.
 */
BLEService* BLEServiceMap::getByHandle(uint16_t handle) {
	return m_handleMap.at(handle);
} // getByHandle


/**
 * @brief Set the service by UUID.
 * @param [in] uuid The uuid of the service.
 * @param [in] characteristic The service to cache.
 * @return N/A.
 */
void BLEServiceMap::setByUUID(BLEUUID uuid, BLEService* service) {
	m_uuidMap.insert(std::pair<BLEService*, std::string>(service, uuid.toString()));
} // setByUUID


/**
 * @brief Set the service by handle.
 * @param [in] handle The handle of the service.
 * @param [in] service The service to cache.
 * @return N/A.
 */
void BLEServiceMap::setByHandle(uint16_t handle, BLEService* service) {
	m_handleMap.insert(std::pair<uint16_t, BLEService*>(handle, service));
} // setByHandle


/**
 * @brief Return a string representation of the service map.
 * @return A string representation of the service map.
 */
std::string BLEServiceMap::toString() {
	std::string res;
	char hex[5];
	for (auto &myPair: m_handleMap) {
		res += "handle: 0x";
		snprintf(hex, sizeof(hex), "%04x", myPair.first);
		res += hex;
		res += ", uuid: " + myPair.second->getUUID().toString() + "\n";
	}
	return res;
} // toString

void BLEServiceMap::handleGATTServerEvent(
		esp_gatts_cb_event_t      event,
		esp_gatt_if_t             gatts_if,
		esp_ble_gatts_cb_param_t* param) {
	// Invoke the handler for every Service we have.
	for (auto &myPair : m_uuidMap) {
		myPair.first->handleGATTServerEvent(event, gatts_if, param);
	}
}

/**
 * @brief Get the first service in the map.
 * @return The first service in the map.
 */
BLEService* BLEServiceMap::getFirst() {
	m_iterator = m_uuidMap.begin();
	if (m_iterator == m_uuidMap.end()) return nullptr;
	BLEService* pRet = m_iterator->first;
	m_iterator++;
	return pRet;
} // getFirst

/**
 * @brief Get the next service in the map.
 * @return The next service in the map.
 */
BLEService* BLEServiceMap::getNext() {
	if (m_iterator == m_uuidMap.end()) return nullptr;
	BLEService* pRet = m_iterator->first;
	m_iterator++;
	return pRet;
} // getNext

/**
 * @brief Removes service from maps.
 * @return N/A.
 */
void BLEServiceMap::removeService(BLEService* service) {
	m_handleMap.erase(service->getHandle());
	m_uuidMap.erase(service);
} // removeService

/**
 * @brief Returns the amount of registered services
 * @return amount of registered services
 */
int BLEServiceMap::getRegisteredServiceCount(){
	return m_handleMap.size();
}

#endif /* CONFIG_BT_ENABLED */
