#include "SqlWrite.h"
#include <thread>
#include "Log.h"
#include "JdbcHelper.h"
#include <regex>

SqlWrite::SqlWrite() :m_Stop(false)
{
	std::thread(std::bind(&SqlWrite::__threadFun, this)).detach();
}

SqlWrite::~SqlWrite()
{
	m_Stop = true;
	con.notify_all();
}

void SqlWrite::addSql(const std::string & sql)
{
	std::unique_lock<std::mutex>lock(mut);
	m_SqlList.emplace_back(sql);
	con.notify_all();
}

void SqlWrite::__threadFun()
{
	while (!m_Stop)
	{
		if (__dealSql())
		{
			std::unique_lock<std::mutex>lock(mut);
			con.wait(lock);
		}
	}
}

bool SqlWrite::__dealSql()
{
	std::string sql;
	{
		std::unique_lock<std::mutex>lock(mut);
		if (!m_SqlList.empty())
		{
			sql = std::move(m_SqlList.front());
			m_SqlList.pop_front();
		}
	}
	// 执行sql
	if (!sql.empty()){
		JdbcHelper::GetInstance()->jdbc_executeUpdate(sql, [](sql::PreparedStatement* stmt) {

		}, [sql](sql::SQLException &e) {
			std::cerr << "exception, SQL: " << sql << std::endl;
			Format fmt("Sql执行失败,错误信息:[%s],Sql[%s]");
			fmt % e.what() % sql;
			LOG_ERROR(fmt.str().c_str());
		});
	}
		
	return m_SqlList.empty();
}

SqlWrite SqlWrite::instance;