/*
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 */

/*
 * File:   main.cpp
 * Author: chrbro
 *
 * Created on 28 October 2016, 09:23
 */

#include <cstdlib>
#include <unicode/timezone.h>
#include <unicode/unistr.h>
#include <unicode/calendar.h>
#include <unicode/datefmt.h>
#include <unicode/ustdio.h>
#include <iostream>
#include <iomanip>
#include <unicode/smpdtfmt.h>

using namespace std;

/*
 *
 */
int main(int argc, char** argv) {
    UErrorCode success = U_ZERO_ERROR;
    UnicodeString dateReturned;
    int32_t stdOffset, dstOffset;

    //TimeZone *tzWest = TimeZone::createTimeZone("Australia/Adelaide");
    TimeZone *myzone = TimeZone::createTimeZone("Europe/London");
    //cout << myzone->getDSTSavings() << endl;
    UnicodeString dn;
    myzone->getDisplayName(false, myzone->SHORT, dn);
    u_printf("%S\n", dn.getTerminatedBuffer());

    time_t rawtime;
    struct tm * ptm, * ptm2;
    time(&rawtime);
    ptm = gmtime(&rawtime); // UTC

    UDate y = rawtime * 1e3; // milliseconds

    // Show timestamp
    UnicodeString fmt = "yyyy-MM-dd hh:mm:ss xxx zzz";
    SimpleDateFormat* formatter = new SimpleDateFormat (fmt, success);
    UnicodeString dateString;
    FieldPosition fp(FieldPosition::DONT_CARE);
    formatter->format(y, dateString, fp);
    u_printf("%S\n", dateString.getTerminatedBuffer());

    // Use getOffset to get the stdOffset and dstOffset for the given time
    myzone->getOffset(y, true, stdOffset, dstOffset, success);
    time_t mystdOffset = stdOffset / 1000;
    time_t mydstOffset = dstOffset / 1000;
    time_t newtime = rawtime - mydstOffset;
    cout << mystdOffset << endl;
    cout << mydstOffset << endl;

    ptm2 = localtime(&newtime);
    char buffer[80];
    strftime(buffer, 80, "%Y-%m-%d %H:%M:%S (%Z)", ptm2);
    cout << buffer << endl;




    return 0;
}