//
// Created by stephane bourque on 2021-10-09.
//

#pragma once

#include <aws/core/Aws.h>
#include <aws/core/auth/AWSCredentials.h>
#include <aws/s3/S3Client.h>

#include "SMS_provider.h"
#include "framework/SubSystemServer.h"
#include "framework/utils.h"

namespace OpenWifi {

	struct SMSValidationCacheEntry {
		std::string Number;
		std::string Code;
		std::string UserName;
		uint64_t Created = Utils::Now();
		bool Validated = false;
	};

	class SMSSender : public SubSystemServer {
	  public:
		static SMSSender *instance() {
			static auto *instance_ = new SMSSender;
			return instance_;
		}

		int Start() final;
		void Stop() final;
		bool Enabled() const { return Enabled_; }
		bool StartValidation(const std::string &Number, const std::string &UserName);
		bool CompleteValidation(const std::string &Number, const std::string &Code,
								const std::string &UserName);
		bool IsNumberValid(const std::string &Number, const std::string &UserName);
		[[nodiscard]] bool Send(const std::string &PhoneNumber, const std::string &Message);

	  private:
		std::string Provider_;
		bool Enabled_ = false;
		std::vector<SMSValidationCacheEntry> Cache_;
		std::unique_ptr<SMS_provider> ProviderImpl_;

		SMSSender() noexcept : SubSystemServer("SMSSender", "SMS-SVR", "smssender.aws") {}

		bool SendAWS(const std::string &PhoneNumber, const std::string &Message);
		void CleanCache();
	};
	inline SMSSender *SMSSender() { return SMSSender::instance(); }

} // namespace OpenWifi