CreateGameEntryReader.java

package com.github.skiwi2.hearthmonitor.logreader.hearthstone.power;

import com.github.skiwi2.hearthmonitor.logapi.LogEntry;
import com.github.skiwi2.hearthmonitor.logreader.EntryReader;
import com.github.skiwi2.hearthmonitor.logreader.LineReader;
import com.github.skiwi2.hearthmonitor.logreader.LogReader;
import com.github.skiwi2.hearthmonitor.logreader.LogReaderUtils;
import com.github.skiwi2.hearthmonitor.logreader.NoMoreInputException;
import com.github.skiwi2.hearthmonitor.logreader.NotParsableException;
import com.github.skiwi2.hearthmonitor.logreader.NotReadableException;
import com.github.skiwi2.hearthmonitor.logreader.hearthstone.LogLineUtils;

import java.util.Arrays;
import java.util.HashSet;
import java.util.Optional;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * Used to parse [Power] CREATE_GAME entries.
 *
 * @author Frank van Heeswijk
 */
public class CreateGameEntryReader implements EntryReader {
    /*
     * Example
     *
     * [Power] GameState.DebugPrintPower() - CREATE_GAME
     * [Power] GameState.DebugPrintPower() -     GameEntity EntityID=1
     * [Power] GameState.DebugPrintPower() -         tag=10 value=85
     * [Power] GameState.DebugPrintPower() -         tag=TURN value=1
     * [Power] GameState.DebugPrintPower() -         tag=ZONE value=PLAY
     * [Power] GameState.DebugPrintPower() -         tag=ENTITY_ID value=1
     * [Power] GameState.DebugPrintPower() -         tag=NEXT_STEP value=BEGIN_MULLIGAN
     * [Power] GameState.DebugPrintPower() -         tag=CARDTYPE value=GAME
     * [Power] GameState.DebugPrintPower() -         tag=STATE value=RUNNING
     * [Power] GameState.DebugPrintPower() -     Player EntityID=2 PlayerID=1 GameAccountId=[hi=144115198130930503 lo=27162067]
     * [Power] GameState.DebugPrintPower() -         tag=TIMEOUT value=75
     * [Power] GameState.DebugPrintPower() -         tag=PLAYSTATE value=PLAYING
     * [Power] GameState.DebugPrintPower() -         tag=CURRENT_PLAYER value=1
     * [Power] GameState.DebugPrintPower() -         tag=FIRST_PLAYER value=1
     * [Power] GameState.DebugPrintPower() -         tag=HERO_ENTITY value=4
     * [Power] GameState.DebugPrintPower() -         tag=MAXHANDSIZE value=10
     * [Power] GameState.DebugPrintPower() -         tag=STARTHANDSIZE value=4
     * [Power] GameState.DebugPrintPower() -         tag=PLAYER_ID value=1
     * [Power] GameState.DebugPrintPower() -         tag=TEAM_ID value=1
     * [Power] GameState.DebugPrintPower() -         tag=ZONE value=PLAY
     * [Power] GameState.DebugPrintPower() -         tag=CONTROLLER value=1
     * [Power] GameState.DebugPrintPower() -         tag=ENTITY_ID value=2
     * [Power] GameState.DebugPrintPower() -         tag=MAXRESOURCES value=10
     * [Power] GameState.DebugPrintPower() -         tag=CARDTYPE value=PLAYER
     * [Power] GameState.DebugPrintPower() -         tag=NUM_TURNS_LEFT value=1
     * [Power] GameState.DebugPrintPower() -     Player EntityID=3 PlayerID=2 GameAccountId=[hi=144115198130930503 lo=37543301]
     * [Power] GameState.DebugPrintPower() -         tag=TIMEOUT value=75
     * [Power] GameState.DebugPrintPower() -         tag=PLAYSTATE value=PLAYING
     * [Power] GameState.DebugPrintPower() -         tag=HERO_ENTITY value=36
     * [Power] GameState.DebugPrintPower() -         tag=MAXHANDSIZE value=10
     * [Power] GameState.DebugPrintPower() -         tag=STARTHANDSIZE value=4
     * [Power] GameState.DebugPrintPower() -         tag=PLAYER_ID value=2
     * [Power] GameState.DebugPrintPower() -         tag=TEAM_ID value=2
     * [Power] GameState.DebugPrintPower() -         tag=ZONE value=PLAY
     * [Power] GameState.DebugPrintPower() -         tag=CONTROLLER value=2
     * [Power] GameState.DebugPrintPower() -         tag=ENTITY_ID value=3
     * [Power] GameState.DebugPrintPower() -         tag=MAXRESOURCES value=10
     * [Power] GameState.DebugPrintPower() -         tag=CARDTYPE value=PLAYER
     * [Power] GameState.DebugPrintPower() -         tag=NUM_TURNS_LEFT value=1
     */

    @Override
    public boolean isParsable(final String input) {
        return input.equals("[Power] GameState.DebugPrintPower() - CREATE_GAME");
    }

    @Override
    public LogEntry parse(final String input, final LineReader lineReader) throws NotParsableException, NoMoreInputException {
        LogReader logReader = LogReaderUtils.fromInputAndExtraLineReader(
            input,
            lineReader,
            line -> {
                try {
                    return (LogLineUtils.isFromNamedLogger(line) && LogLineUtils.getNumberOfSpaces(line) > 0);
                } catch (NotParsableException ex) {
                    return false;
                }
            },
            new HashSet<>()
        );
        return null;
    }

    public static class GameEntityEntryReader implements EntryReader {
    /*
     * Example
     *
     * [Power] GameState.DebugPrintPower() -     GameEntity EntityID=1
     * [Power] GameState.DebugPrintPower() -         tag=10 value=85
     * [Power] GameState.DebugPrintPower() -         tag=TURN value=1
     * [Power] GameState.DebugPrintPower() -         tag=ZONE value=PLAY
     * [Power] GameState.DebugPrintPower() -         tag=ENTITY_ID value=1
     * [Power] GameState.DebugPrintPower() -         tag=NEXT_STEP value=BEGIN_MULLIGAN
     * [Power] GameState.DebugPrintPower() -         tag=CARDTYPE value=GAME
     * [Power] GameState.DebugPrintPower() -         tag=STATE value=RUNNING
     */

        @Override
        public boolean isParsable(final String input) {
            return input.startsWith("[Power] GameState.DebugPrintPower() -     GameEntity");
        }

        /**
         * Pattern that checks if a string matches the following:
         *   - starts with literal text '[Power] GameState.DebugPrintPower() -     GameEntity EntityID='
         *   - followed by one or more digits, captured as the 1st group
         *   - ending with zero or more characters
         */
        private final static Pattern EXTRACT_ENTITY_ID_PATTERN =
            Pattern.compile("^" + Pattern.quote("[Power] GameState.DebugPrintPower() -     GameEntity EntityID=") + "(\\d+).*$");

        /**
         * Pattern that checks if a string matches the following:
         *   - starts with literal text '[Power] GameState.DebugPrintPower() -         tag='
         *   - followed by one or more word characters, captured as the 1st group
         *   - followed by literal text ' value='
         *   - followed by one or more word characters, captured as the 2nd group
         *   - ending with zero or more characters
         */
        private final static Pattern EXTRACT_TAG_VALUE_PATTERN =
            Pattern.compile("^" + Pattern.quote("[Power] GameState.DebugPrintPower() -         tag=") + "(\\w+)" + Pattern.quote(" value=") + "(\\w+).*$");

        @Override
        public LogEntry parse(final String input, final LineReader lineReader) throws NotParsableException, NoMoreInputException {
            try {
                return LogReaderUtils.fromInputAndExtraLineReader(
                    input,
                    lineReader,
                    line -> {
                        try {
                            return (LogLineUtils.isFromNamedLogger(line) && LogLineUtils.getNumberOfSpaces(line) > 4);
                        } catch (NotParsableException ex) {
                            return false;
                        }
                    },
                    new HashSet<>(Arrays.asList(
                        new EntryReader() {
                            @Override
                            public boolean isParsable(final String input) {
                                return GameEntityEntryReader.this.isParsable(input);
                            }

                            @Override
                            public LogEntry parse(final String input, final LineReader lineReader) throws NotParsableException, NoMoreInputException {
                                Matcher entityIdMatcher = EXTRACT_ENTITY_ID_PATTERN.matcher(input);
                                if (!entityIdMatcher.find()) {
                                    throw new NotParsableException();
                                }
                                String entityId = entityIdMatcher.group(1);

                                Optional<String> nextLine = lineReader.peekLine();
                                while (nextLine.isPresent()) {
                                    Matcher tagValueMatcher = EXTRACT_TAG_VALUE_PATTERN.matcher(nextLine.get());
                                    if (!tagValueMatcher.find()) {
                                        throw new NotParsableException();
                                    }
                                    String tag = tagValueMatcher.group(1);
                                    String value = tagValueMatcher.group(2);
                                    //TODO add to container
                                    nextLine = lineReader.peekLine();
                                }

                                //TODO return object
                                return null;
                            }
                        }
                    ))
                ).readEntry();
            } catch (NotReadableException ex) {
                throw new NotParsableException(ex);
            }
        }
    }
}