#include "log4cpp/Portability.hh"
#include <stdio.h>
#ifdef LOG4CPP_HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "log4cpp/Appender.hh"
#include "log4cpp/Category.hh"
#include "log4cpp/FileAppender.hh"
#include "log4cpp/OstreamAppender.hh"
#include <iostream>
#ifdef LOG4CPP_HAVE_SYSLOG
#include "log4cpp/SyslogAppender.hh"
#endif
#include "log4cpp/BasicLayout.hh"
#include "log4cpp/Layout.hh"
#include "log4cpp/NDC.hh"
#include "log4cpp/Priority.hh"

int main(int argc, char** argv) {
    std::cout << "Hello from " << LOG4CPP_PACKAGE_NAME << " ver." << LOG4CPP_PACKAGE_VERSION << std::endl;
    log4cpp::Appender* appender;
#ifdef LOG4CPP_HAVE_SYSLOG
    log4cpp::SyslogAppender* syslogAppender;

    syslogAppender = new log4cpp::SyslogAppender("syslog", "log4cpp");
#else
    log4cpp::Appender* syslogAppender;

    syslogAppender = new log4cpp::OstreamAppender("syslogdummy", &std::cout);
#endif

    if (argc < 2) {
        appender = new log4cpp::OstreamAppender("default", &std::cout);
    } else {
        appender = new log4cpp::FileAppender("default", argv[1]);
    }

    syslogAppender->setLayout(new log4cpp::BasicLayout());
    appender->setLayout(new log4cpp::BasicLayout());

    log4cpp::Category& root = log4cpp::Category::getRoot();
    root.addAppender(syslogAppender);
    root.setPriority(log4cpp::Priority::ERROR);

    log4cpp::Category& sub1 = log4cpp::Category::getInstance(std::string("sub1"));
    sub1.addAppender(appender);

    log4cpp::Category& sub2 = log4cpp::Category::getInstance(std::string("sub1.sub2"));

    log4cpp::NDC::push(std::string("ndc1"));

    std::cout << " root prio = " << root.getPriority() << std::endl;
    std::cout << " sub1 prio = " << sub1.getPriority() << std::endl;
    std::cout << " sub2 prio = " << sub2.getPriority() << std::endl;

    root.error("root error");
    root.warn("root warn");
    sub1.error("sub1 error");
    sub1.warn("sub1 warn");
    sub2.error("sub2 error");
    sub2.warn("sub2 warn");

    sub1.setPriority(log4cpp::Priority::INFO);
    std::cout << " root prio = " << root.getPriority() << std::endl;
    std::cout << " sub1 prio = " << sub1.getPriority() << std::endl;
    std::cout << " sub2 prio = " << sub2.getPriority() << std::endl;

    std::cout << "priority info" << std::endl;
    root.error("root error");
    root.warn("root warn");
    sub1.error("sub1 error");
    sub1.warn("sub1 warn");
    sub2.error("sub2 error");
    sub2.warn("sub2 warn");

    sub2.warnStream() << "streamed warn";

    sub2 << log4cpp::Priority::WARN << "warn2" << " warn3" << log4cpp::eol << " warn4";

    {
        for (int i = 0; i < 100; i++) {
            char ndc2[20];
            sprintf(ndc2, "i=%d", i);
            log4cpp::NDC::push(ndc2);
            sub1.info("%s%d", "i = ", i);
            if ((i % 10) == 0) {
                sub1.log(log4cpp::Priority::NOTICE, "reopen log");
                if (log4cpp::Appender::reopenAll()) {
                    sub1.info("log reopened");
                } else {
                    sub1.warn("could not reopen log");
                }
            }
#ifndef WIN32
            usleep(5000);
#endif
            log4cpp::NDC::pop();
        }
    }

    return 0;
}
