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/**
 * Copyright (c) 2013, impossibl.com
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *  * Neither the name of impossibl.com nor the names of its contributors may
 *    be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
package com.impossibl.postgres.system.procs;

import com.impossibl.postgres.system.Context;
import com.impossibl.postgres.types.Modifiers;
import com.impossibl.postgres.types.Type.Codec;

public class SettingSelectProcProvider extends BaseProcProvider {

  String settingName;
  Object settingMatchValue;
  Codec.Encoder matchedTxtEncoder;
  Codec.Decoder matchedTxtDecoder;
  Codec.Encoder matchedBinEncoder;
  Codec.Decoder matchedBinDecoder;
  Codec.Encoder unmatchedTxtEncoder;
  Codec.Decoder unmatchedTxtDecoder;
  Codec.Encoder unmatchedBinEncoder;
  Codec.Decoder unmatchedBinDecoder;

  public SettingSelectProcProvider(
      String settingName, Object settingMatchValue,
      Codec.Encoder matchedTxtEncoder, Codec.Decoder matchedTxtDecoder, Codec.Encoder matchedBinEncoder, Codec.Decoder matchedBinDecoder,
      Codec.Encoder unmatchedTxtEncoder, Codec.Decoder unmatchedTxtDecoder, Codec.Encoder unmatchedBinEncoder, Codec.Decoder unmatchedBinDecoder,
      String... baseNames) {
    super(baseNames);
    this.settingName = settingName;
    this.settingMatchValue = settingMatchValue;
    this.matchedTxtEncoder = matchedTxtEncoder;
    this.matchedTxtDecoder = matchedTxtDecoder;
    this.matchedBinEncoder = matchedBinEncoder;
    this.matchedBinDecoder = matchedBinDecoder;
    this.unmatchedTxtEncoder = unmatchedTxtEncoder;
    this.unmatchedTxtDecoder = unmatchedTxtDecoder;
    this.unmatchedBinEncoder = unmatchedBinEncoder;
    this.unmatchedBinDecoder = unmatchedBinDecoder;
  }

  public Codec.Encoder findEncoder(String name, Context context) {
    if (name.endsWith("recv") && hasName(name, "recv", context)) {
      if (context != null && settingMatchValue.equals(context.getSetting(settingName)))
        return matchedBinEncoder;
      else
        return unmatchedBinEncoder;
    }
    else if (name.endsWith("in") && hasName(name, "in", context)) {
      if (context != null && settingMatchValue.equals(context.getSetting(settingName)))
        return matchedTxtEncoder;
      else
        return unmatchedTxtEncoder;
    }
    return null;
  }

  public Codec.Decoder findDecoder(String name, Context context) {
    if (name.endsWith("send") && hasName(name, "send", context)) {
      if (context != null && settingMatchValue.equals(context.getSetting(settingName)))
        return matchedBinDecoder;
      else
        return unmatchedBinDecoder;
    }
    else if (name.endsWith("out") && hasName(name, "out", context)) {
      if (context != null && settingMatchValue.equals(context.getSetting(settingName)))
        return matchedTxtDecoder;
      else
        return unmatchedTxtDecoder;
    }
    return null;
  }

  @Override
  public Modifiers.Parser findModifierParser(String name, Context context) {
    return null;
  }

}