package com.ximple.eofms.jobs;

import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.Properties;

import oracle.jdbc.OracleConnection;

public abstract class AbstractOracleJobContext
{
    private static final String ORACLE_URL = "jdbc:oracle:thin:@";
    private static final String PROPUsrKey = "user";
    private static final String PROPPassKey = "password";
    /**
     * Table Prefiex
     */
    protected static final String TABLE_PREFIX = "GEO$";
    protected static final String UDT_SCHEMA = "SPATIALDB";
    /**
     * User Types
     */
    protected static final String UDT_RAWS = "CREATE OR REPLACE TYPE \"" + UDT_SCHEMA + "\".\"RAWS\" AS VARRAY (1048576) OF NUMBER(38)";
    protected static final String UDT_OFMID = "CREATE OR REPLACE TYPE  \"" + UDT_SCHEMA + "\".\"OFMID\" AS OBJECT ("
            + "\"CLSID\" NUMBER(5), \"OID\" NUMBER(10), \"STATUS\" NUMBER(5), \"COMPID\" NUMBER(3), "
            + "\"RULEID\" NUMBER(3), \"OCCID\" NUMBER(3))";
    protected static final String UDT_RAWSNAME = "RAWS";
    protected static final String UDT_OFMIDNAME = "OFMID";
    /**
     * Utility SQL
     */
    protected static final String TAB_DROP = "DROP TABLE %s.%s CASCADE CONSTRAINTS";
    protected static final String TAB_DELETE = "DELETE FROM %s.%s";
    /**
     * Table Schema
     */
    protected static final String TAB_RANGENODEINDEX_1 = "CREATE TABLE \"%s\".\"%s\"\n"
            + "   (    \"RNID\" INTEGER NOT NULL ENABLE,\n"
            + "    \"RPID\" INTEGER NOT NULL ENABLE,\n"
            + "    \"RNG_LOWX\" BINARY_DOUBLE NOT NULL ENABLE,\n"
            + "    \"RNG_LOWY\" BINARY_DOUBLE NOT NULL ENABLE,\n"
            + "    \"RNG_HIGHX\" BINARY_DOUBLE NOT NULL ENABLE,\n"
            + "    \"RNG_HIGHY\" BINARY_DOUBLE NOT NULL ENABLE,\n"
            + "    \"EXTENTS\" MDSYS.SDO_GEOMETRY,\n"
            + "    \"RNDESCR\" VARCHAR2(255), \n"
            + "    PRIMARY KEY ( \"RNID\" ) ENABLE )";
    protected static final String TAB_RANGENODEINDEX = "CREATE TABLE \"%s\".\"%s\"\n"
            + "   (    \"RNID\" INTEGER NOT NULL ENABLE,\n"
            + "    \"RPID\" INTEGER NOT NULL ENABLE,\n"
            + "    \"RNG_LOWX\" FLOAT NOT NULL ENABLE,\n"
            + "    \"RNG_LOWY\" FLOAT NOT NULL ENABLE,\n"
            + "    \"RNG_HIGHX\" FLOAT NOT NULL ENABLE,\n"
            + "    \"RNG_HIGHY\" FLOAT NOT NULL ENABLE,\n"
            + "    \"RNDESCR\" VARCHAR2(255), \n"
            + "    PRIMARY KEY ( \"RNID\" ) ENABLE )";
    protected static final String TAB_RANGENODESTORAGE = "CREATE TABLE \"%s\".\"%s\"\n"
            + "   (    \"RNID\" INTEGER NOT NULL ENABLE,\n"
            + "    \"LAYERID\" NUMBER(5,0) NOT NULL ENABLE,\n"
            + "    \"LASTUPDATE\" DATE NOT NULL ENABLE,\n"
            + "    \"SPACETABLE\" VARCHAR2(255)\n" + "   )";
    protected static final String TAB_ELEMENTINDEX_1 = "CREATE TABLE %s.%s (\n"
            + "    \"ELMNO\" INTEGER NOT NULL ENABLE,\n"
            + "    \"TYPE\" NUMBER(5) NOT NULL ENABLE,\n"
            + "    \"XLOW\" BINARY_DOUBLE NOT NULL ENABLE,\n"
            + "    \"YLOW\" BINARY_DOUBLE NOT NULL ENABLE,\n"
            + "    \"ZLOW\" BINARY_DOUBLE NOT NULL ENABLE,\n"
            + "    \"XHIGH\" BINARY_DOUBLE NOT NULL ENABLE,\n"
            + "    \"YHIGH\" BINARY_DOUBLE NOT NULL ENABLE,\n"
            + "    \"ZHIGH\" BINARY_DOUBLE NOT NULL ENABLE,\n"
            + "    \"TAG_LUFID\" NUMBER(10) NOT NULL ENABLE,\n"
            + "    \"TAG_SFSC\" NUMBER(5) NOT NULL ENABLE,\n"
            + "    \"TAG_SSTAT\" NUMBER(5) NOT NULL ENABLE,\n"
            + "    \"TAG_BCOMPID\" NUMBER(3) NOT NULL ENABLE,\n"
            + "    \"TAG_BRULENO\" NUMBER(3) NOT NULL ENABLE,\n"
            + "    \"TAG_SOCCID\" NUMBER(5) NOT NULL ENABLE,\n"
            + "    \"SPACENAME\" VARCHAR2(255) NOT NULL ENABLE,\n"
            + "     PRIMARY KEY (\"ELMNO\") ENABLE\n"
            + "   )";
    protected static final String TAB_ELEMENTINDEX = "CREATE TABLE %s.%s (\n"
            + "    \"ELMNO\" INTEGER NOT NULL ENABLE,\n"
            + "    \"TYPE\" NUMBER(5) NOT NULL ENABLE,\n"
            + "    \"XLOW\" FLOAT NOT NULL ENABLE,\n"
            + "    \"YLOW\" FLOAT NOT NULL ENABLE,\n"
            + "    \"ZLOW\" FLOAT NOT NULL ENABLE,\n"
            + "    \"XHIGH\" FLOAT NOT NULL ENABLE,\n"
            + "    \"YHIGH\" FLOAT NOT NULL ENABLE,\n"
            + "    \"ZHIGH\" FLOAT NOT NULL ENABLE,\n"
            + "    \"TAG_LUFID\" NUMBER(10) NOT NULL ENABLE,\n"
            + "    \"TAG_SFSC\" NUMBER(5) NOT NULL ENABLE,\n"
            + "    \"TAG_SSTAT\" NUMBER(5) NOT NULL ENABLE,\n"
            + "    \"TAG_BCOMPID\" NUMBER(3) NOT NULL ENABLE,\n"
            + "    \"TAG_BRULENO\" NUMBER(3) NOT NULL ENABLE,\n"
            + "    \"TAG_SOCCID\" NUMBER(5) NOT NULL ENABLE,\n"
            + "    \"SPACENAME\" VARCHAR2(255) NOT NULL ENABLE,\n"
            + "     PRIMARY KEY (\"ELMNO\") ENABLE\n"
            + "   )";
    protected static final String TAB_IGDSSEED = "CREATE TABLE  %s.%s (\n"
            + "   \"ELMNO\" INTEGER NOT NULL ENABLE,\n"
            + "   \"SEEDELM\" \"" + UDT_SCHEMA
            + "\".\"RAWS\" NOT NULL ENABLE\n" + "   )";
    protected static final String TAB_STORAGE_1 = "CREATE TABLE %s.%s (\n" +
            "    \"ELMNO\" INTEGER NOT NULL ENABLE,\n" +
            "    \"XLOW\" BINARY_DOUBLE NOT NULL ENABLE,\n" +
            "    \"YLOW\" BINARY_DOUBLE NOT NULL ENABLE,\n" +
            "    \"XHIGH\" BINARY_DOUBLE NOT NULL ENABLE,\n" +
            "    \"YHIGH\" BINARY_DOUBLE NOT NULL ENABLE,\n" +
            "    \"EXTENTS\" MDSYS.SDO_GEOMETRY, \n" +
            "    \"PROPS\" INTEGER NOT NULL ENABLE,\n" +
            "    \"TAG_LUFID\" NUMBER(10) NOT NULL ENABLE,\n" +
            "    \"TAG_SFSC\" NUMBER(5) NOT NULL ENABLE,\n" +
            "    \"TAG_SSTAT\" NUMBER(5) NOT NULL ENABLE,\n" +
            "    \"TAG_BCOMPID\" NUMBER(3) NOT NULL ENABLE,\n" +
            "    \"TAG_BRULENO\" NUMBER(3) NOT NULL ENABLE,\n" +
            "    \"TAG_SOCCID\" NUMBER(5) NOT NULL ENABLE,\n" +
            "    \"LAYERID\" NUMBER(5) NOT NULL ENABLE,\n" +
            "    \"ELEMENT\" \"" + UDT_SCHEMA + "\".\"RAWS\" NOT NULL ENABLE, \n" +
            "    \"GEOM\" MDSYS.SDO_GEOMETRY \n" +
            "   )";
    protected static final String TAB_STORAGE = "CREATE TABLE %s.%s (\n" +
            "    \"ELMNO\" INTEGER NOT NULL ENABLE,\n" +
            "    \"XLOW\" FLOAT NOT NULL ENABLE,\n" +
            "    \"YLOW\" FLOAT NOT NULL ENABLE,\n" +
            "    \"XHIGH\" FLOAT NOT NULL ENABLE,\n" +
            "    \"YHIGH\" FLOAT NOT NULL ENABLE,\n" +
            "    \"PROPS\" INTEGER NOT NULL ENABLE,\n" +
            "    \"TAG_LUFID\" NUMBER(10) NOT NULL ENABLE,\n" +
            "    \"TAG_SFSC\" NUMBER(5) NOT NULL ENABLE,\n" +
            "    \"TAG_SSTAT\" NUMBER(5) NOT NULL ENABLE,\n" +
            "    \"TAG_BCOMPID\" NUMBER(3) NOT NULL ENABLE,\n" +
            "    \"TAG_BRULENO\" NUMBER(3) NOT NULL ENABLE,\n" +
            "    \"TAG_SOCCID\" NUMBER(5) NOT NULL ENABLE,\n" +
            "    \"LAYERID\" NUMBER(5) NOT NULL ENABLE,\n" +
            "    \"ELEMENT\" \"" + UDT_SCHEMA + "\".\"RAWS\" NOT NULL ENABLE \n" +
            "   )";
    protected static final String TAB_STORAGE2 = "CREATE TABLE %s.%s (\n" +
            "    \"ELMNO\" INTEGER NOT NULL ENABLE,\n" +
            "    \"XLOW\" BINARY_DOUBLE NOT NULL ENABLE,\n" +
            "    \"YLOW\" BINARY_DOUBLE NOT NULL ENABLE,\n" +
            "    \"XHIGH\" BINARY_DOUBLE NOT NULL ENABLE,\n" +
            "    \"YHIGH\" BINARY_DOUBLE NOT NULL ENABLE,\n" +
            "    \"EXTENTS\" MDSYS.SDO_GEOMETRY, \n" +
            "    \"PROPS\" INTEGER NOT NULL ENABLE,\n" +
            "    \"ID\" " + UDT_SCHEMA + ".OFMID NOT NULL ENABLE,\n" +
            "    \"LAYERID\" NUMBER(5) NOT NULL ENABLE,\n" +
            "    \"ELEMENT\" \"" + UDT_SCHEMA + "\".\"RAWS\" NOT NULL ENABLE \n" +
            "   )";
    /**
     * Trigger
     */
    protected static final String TRG_SPACENODE = "CREATE OR REPLACE TRIGGER \"%s\".\"%s\"\n"
            + "    AFTER DELETE OR INSERT OR UPDATE ON \"%s\".\"%s\"\n" + "    BEGIN\n"
            + "        UPDATE SPACENODES SET LASTUPDATE = SYSDATE\n" + "        WHERE SNID = \"%d\";\n"
            + "    END;";
    protected static final String TRG_ELMINDEX =
            "CREATE OR REPLACE TRIGGER \"%s\".\"%s\"\n"
                    + "    AFTER INSERT OR UPDATE OR DELETE ON \"%s\".\"%s\"\n"
                    + "    REFERENCING OLD AS OLD NEW AS NEW FOR EACH ROW\n"
                    + "    BEGIN\n"
                    + "        IF INSERTING THEN\n"
                    + "            INSERT INTO \"%s\".\"%s\" (ELMNO, TYPE, XLOW, YLOW, XHIGH, YHIGH,\n"
                    + "                UFID, FSC, COMPID, OCCID, SPACENAME)\n"
                    + "            VALUES (SD$ELEMENTNUMBER_SEQ.NEXTVAL, :new.ELMTYPE, :new.XLOW, :new.YLOW, :new.XHIGH, :new.YHIGH,\n"
                    + "                :new.UFID, :new.FSC, :new.COMPID, :new.OCCID, '%s');\n"
                    + "        ELSIF DELETING THEN\n"
                    + "            DELETE FROM \"%s\".\"%s\"\n"
                    + "            WHERE \"%s\".UFID = :old.UFID AND\n"
                    + "                \"%s\".FSC = :old.FSC AND\n"
                    + "                \"%s\".COMPID = :old.COMPID AND\n"
                    + "                \"%s\".OCCID = :old.OCCID;\n"
                    + "        ELSE\n" + "            UPDATE \"%s\"\n"
                    + "            SET XLOW = :new.XLOW, YLOW = :new.YLOW, XHIGH = :new.XHIGH, YHIGH = :new.YHIGH\n"
                    + "            WHERE FSC = :new.FSC AND UFID = :new.UFID AND COMPID = :new.COMPID AND OCCID = :new.OCCID;\n"
                    + "        END IF;\n" + "    END;";
    /**
     *
     */
    protected static final String TAB_ELEMENTSET_PREFIX = "ELMSET_";
    protected static final String STMT_CLEARCYCLEBIN = "PURGE RECYCLEBIN";
    protected static final String SMTM_GRANTOBJECTTYPE = "GRANT EXECUTE ANY TYPE TO \"" + UDT_SCHEMA + "\"";
    protected static final long TIMEOUT = Long.MAX_VALUE;
    /**
     * Encoding of URL path.
     */
    protected static final String ENCODING = "UTF-8";
    private String _oracleHost;
    private String _oracleInstance;
    private String _oraclePort;
    protected String _dataPath;
    private OracleConnection oracleConnection = null;
    protected Properties properties;

    public static String getCurrentURL(String oracleHost, String oraclePort, String oracleInstance)
    {
        StringBuilder builder = new StringBuilder();

        builder.append(ORACLE_URL);
        builder.append(oracleHost);
        builder.append(":");
        builder.append(oraclePort);
        builder.append(":");
        builder.append(oracleInstance);

        return builder.toString();
    }

    public void setLogin(String userName, String password)
    {
        properties.put(PROPUsrKey, userName);
        properties.put(PROPPassKey, password);
    }

    public void setShapeData(String dataPath)
    {
        _dataPath = dataPath;
    }

    public OracleConnection getOracleConnection()
    {
        try
        {
            if (oracleConnection == null)
            {
                oracleConnection = (OracleConnection) DriverManager.getConnection(
                        getCurrentURL(_oracleHost, _oraclePort, _oracleInstance),
                        properties);
            }

            return oracleConnection;
        } catch (SQLException e)
        {
            OracleConvertJobContext.logger.warn(e.getMessage(), e);
        }

        oracleConnection = null;

        return null;
    }

    public void closeConnection()
    {
        try
        {
            if (oracleConnection != null)
            {
                oracleConnection.close();
                oracleConnection = null;
            }
        } catch (SQLException e)
        {
            OracleConvertJobContext.logger.warn(e.getMessage(), e);
        }
    }

    public void setConnectionInfo(String oracleHost, String oraclePort, String oracleInstance)
    {
        _oracleHost = oracleHost;
        _oracleInstance = oracleInstance;
        _oraclePort = oraclePort;
    }

    public abstract void startTransaction();

    public abstract void commitTransaction();

    public abstract void rollbackTransaction();
}