/*Copyright ©2016 TommyLemon(https://github.com/TommyLemon/APIJSON)

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.*/

package apijson.orm;

import com.alibaba.fastjson.JSONObject;

import apijson.NotNull;

/**连表 配置
 * @author Lemon
 */
public class Join {

	private String path;

	private String originKey;
	private String originValue;

	private String joinType; // "@" - APP, "&" - INNER, "|" - FULL, "!" - OUTTER, "<" - LEFT, ">" - RIGHT, "^" - SIDE, "*" - CROSS
	private String relateType; // "" - 一对一, "{}" - 一对多, "<>" - 多对一
	private JSONObject request; // { "id@":"/Moment/userId" }
	private String table; //User
	private String alias; //owner
	private String key; //id
	private String targetName; // Moment
	private String targetKey; // userId

	private JSONObject outter;

	private SQLConfig joinConfig;
	private SQLConfig cacheConfig;
	private SQLConfig outterConfig;

	public String getPath() {
		return path;
	}
	public void setPath(String path) {
		this.path = path;
	}

	public String getOriginKey() {
		return originKey;
	}
	public void setOriginKey(String originKey) {
		this.originKey = originKey;
	}
	public String getOriginValue() {
		return originValue;
	}
	public void setOriginValue(String originValue) {
		this.originValue = originValue;
	}

	public String getJoinType() {
		return joinType;
	}
	public void setJoinType(String joinType) {
		this.joinType = joinType;
	}
	public String getRelateType() {
		return relateType;
	}
	public void setRelateType(String relateType) {
		this.relateType = relateType;
	}

	public String getTable() {
		return table;
	}
	public void setTable(String table) {
		this.table = table;
	}
	public String getAlias() {
		return alias;
	}
	public void setAlias(String alias) {
		this.alias = alias;
	}
	public JSONObject getRequest() {
		return request;
	}
	public void setRequest(JSONObject request) {
		this.request = request;
	}
	public String getKey() {
		return key;
	}
	public void setKey(String key) {
		this.key = key;
	}
	public String getTargetName() {
		return targetName;
	}
	public void setTargetName(String targetName) {
		this.targetName = targetName;
	}
	public String getTargetKey() {
		return targetKey;
	}
	public void setTargetKey(String targetKey) {
		this.targetKey = targetKey;
	}

	public JSONObject getOutter() {
		return outter;
	}
	public void setOutter(JSONObject outter) {
		this.outter = outter;
	}

	public SQLConfig getJoinConfig() {
		return joinConfig;
	}
	public void setJoinConfig(SQLConfig joinConfig) {
		this.joinConfig = joinConfig;
	}
	public SQLConfig getCacheConfig() {
		return cacheConfig;
	}
	public void setCacheConfig(SQLConfig cacheConfig) {
		this.cacheConfig = cacheConfig;
	}

	public SQLConfig getOutterConfig() {
		return outterConfig;
	}
	public void setOutterConfig(SQLConfig outterConfig) {
		this.outterConfig = outterConfig;
	}


	public void setKeyAndType(@NotNull String originKey) throws Exception { //id, id@, id{}@, contactIdList<>@ ...
		if (originKey.endsWith("@")) {
			originKey = originKey.substring(0, originKey.length() - 1);
		}
		else { //TODO 暂时只允许 User.id = Moment.userId 字段关联，不允许 User.id = 82001 这种
			throw new IllegalArgumentException(joinType + "/.../" + table + "/" + originKey + " 不合法！join:'.../refKey'" + " 中 refKey 必须以 @ 结尾！");
		}

		if (originKey.endsWith("{}")) {
			setRelateType("{}");
			setKey(originKey.substring(0, originKey.length() - 2));
		}
		else if (originKey.endsWith("<>")) {
			setRelateType("<>");
			setKey(originKey.substring(0, originKey.length() - 2));
		}
		else {
			setRelateType("");
			setKey(originKey);
		}
	}



	public boolean isSQLJoin() {
		return ! isAppJoin();
	}

	public static boolean isSQLJoin(Join j) {
		return j != null && j.isSQLJoin();
	}

	public boolean isAppJoin() {
		return "@".equals(getJoinType());
	}

	public static boolean isAppJoin(Join j) {
		return j != null && j.isAppJoin();
	}

	public boolean isLeftOrRightJoin() {
		return "<".equals(getJoinType()) || ">".equals(getJoinType());
	}

	public static boolean isLeftOrRightJoin(Join j) {
		return j != null && j.isLeftOrRightJoin();
	}



}
