// Copied from ICU4J 57.1
/**
 * ****************************************************************************** Copyright (C)
 * 2003-2011, International Business Machines Corporation and others. All Rights Reserved.
 * ******************************************************************************
 */
package com.ibm.icu.dev.test;

import com.ibm.icu.util.VersionInfo;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

public abstract class AbstractTestLog implements TestLog {
    /** Returns true if ICU_Version < major.minor. */
    public static boolean isICUVersionBefore(int major, int minor) {
        return isICUVersionBefore(major, minor, 0);
    }

    /** Returns true if ICU_Version < major.minor.milli. */
    public static boolean isICUVersionBefore(int major, int minor, int milli) {
        return VersionInfo.ICU_VERSION.compareTo(VersionInfo.getInstance(major, minor, milli)) < 0;
    }

    /** Returns true if ICU_Version >= major.minor. */
    public static boolean isICUVersionAtLeast(int major, int minor) {
        return isICUVersionAtLeast(major, minor, 0);
    }

    /** Returns true if ICU_Version >= major.minor.milli. */
    public static boolean isICUVersionAtLeast(int major, int minor, int milli) {
        return !isICUVersionBefore(major, minor, milli);
    }

    /** Add a message. */
    @Override
    public final void log(String message) {
        msg(message, LOG, true, false);
    }

    /** Add a message and newline. */
    @Override
    public final void logln(String message) {
        msg(message, LOG, true, true);
    }

    /** Report an error. */
    @Override
    public final void err(String message) {
        msg(message, ERR, true, false);
    }

    /** Report an error and newline. */
    @Override
    public final void errln(String message) {
        msg(message, ERR, true, true);
    }

    /** Report a warning (generally missing tests or data). */
    @Override
    public final void warn(String message) {
        msg(message, WARN, true, false);
    }

    /** Report a warning (generally missing tests or data) and newline. */
    @Override
    public final void warnln(String message) {
        msg(message, WARN, true, true);
    }

    /**
     * Vector for logging. Callers can force the logging system to not increment the error or
     * warning level by passing false for incCount.
     *
     * @param message the message to output.
     * @param level the message level, either LOG, WARN, or ERR.
     * @param incCount if true, increments the warning or error count
     * @param newln if true, forces a newline after the message
     */
    @Override
    public abstract void msg(String message, int level, boolean incCount, boolean newln);

    /**
     * Not sure if this class is useful. This lets you log without first testing if logging is
     * enabled. The Delegating log will either silently ignore the message, if the delegate is null,
     * or forward it to the delegate.
     */
    public static final class DelegatingLog extends AbstractTestLog {
        private TestLog delegate;

        public DelegatingLog(TestLog delegate) {
            this.delegate = delegate;
        }

        @Override
        public void msg(String message, int level, boolean incCount, boolean newln) {
            if (delegate != null) {
                delegate.msg(message, level, incCount, newln);
            }
        }
    }

    public boolean isDateAtLeast(int year, int month, int day) {
        Date now = new Date();
        Calendar c = new GregorianCalendar(year, month, day);
        Date dt = c.getTime();
        if (now.compareTo(dt) >= 0) {
            return true;
        }
        return false;
    }
}