package com.ycl.common.util;

import lombok.extern.slf4j.Slf4j;

import javax.servlet.http.HttpServletRequest;
import java.io.Serializable;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;

@Slf4j
public class ParamsMap extends HashMap<String, Object> implements Serializable{

	private static final long serialVersionUID = -6716714932665322981L;
	
	public ParamsMap(){}

	public ParamsMap(HttpServletRequest request) {
		if(request==null)return;
		Iterator<Entry<String, String[]>> entries = request.getParameterMap().entrySet().iterator(); 
		Entry<String, String[]> entry;
		String name = "";
		while (entries.hasNext()) {
			String value = "";
			entry = (Entry<String, String[]>) entries.next();
			name = (String) entry.getKey(); 
			Object valueObj = entry.getValue(); 
			if(null == valueObj){ 
				value = ""; 
			}else if(valueObj instanceof String[]){ 
				String[] values = (String[])valueObj;
				for(int i=0;i<values.length;i++){ 
					 value += values[i] + ",";
				}
				value = value.substring(0, value.length()-1); 
			}else{
				value = valueObj.toString(); 
			}
			this.put(name, value); 
		}
	}
	
	public ParamsMap(String code, Object value) {
		this.put(code, value);
	}
	
	/**
	 * 
	 * @Title: getString
	 * @Description: 获取字符串值
	 * @param key
	 * @return
	 */
	public String getString(String key) {
		try {
			if (containsKey(key)) {
				if(get(key)!=null) return get(key).toString();
			}
		} catch (Exception e) {
			log.error("ParamsMap getString is error:{}",e);
		}
		return null;
	}
	
	/**
	 * 
	 * @Title: getInteter
	 * @Description: 获取整型值
	 * @param key
	 * @return
	 */
	public Integer getInteter(String key) {
		try {
			if (containsKey(key)) {
				if(get(key)!=null && !"".equals(get(key))) 
					return Integer.parseInt(getString(key));
			}
		} catch (Exception e) {
			log.error("ParamsMap getInteter is error:{}",e);
		}
		return null;
	}
	
	/**
	 * 
	 * @Title: getAsLong
	 * @Description: 获取Long值
	 * @param key
	 * @return
	 */
	public Long getLong(String key){
		try {
			if (containsKey(key)) {
				if(get(key)!=null && !"".equals(get(key))) 
					return Long.parseLong(getString(key));
			}
		} catch (Exception e) {
			log.error("ParamsMap getLong is error:{}",e);
		}
		return null;
	}
	
	/**
	 * 
	 * @Title: getAsDouble
	 * @Description: 获取Double值
	 * @param key
	 * @return
	 */
	public Double getDouble(String key){
		try {
			if (containsKey(key)) {
				if(get(key)!=null && !"".equals(get(key)))
					return Double.parseDouble(getString(key));
			}
		} catch (Exception e) {
			log.error("ParamsMap getDouble is error:{}",e);
		}
		return null;
	}
	
	/**
	 * 
	 * @Title: getFloat
	 * @Description: 获取Float值
	 * @param key
	 * @return
	 */
	public Float getFloat(String key){
		try {
			if (containsKey(key)) {
				if(get(key)!=null && !"".equals(get(key))) 
					return Float.parseFloat(getString(key));
			}
		} catch (Exception e) {
			log.error("ParamsMap getFloat is error:{}",e);
		}
		return null;
	}
	
	/**
	 * 
	 * @Title: getBoolean
	 * @Description: 获取Boolean值
	 * @param key
	 * @return
	 */
	public Boolean getBoolean(String key){
		try {
			if (containsKey(key)) {
				if(get(key)!=null && !"".equals(get(key))) 
					return Boolean.parseBoolean(getString(key));
			}
		} catch (Exception e) {
			log.error("ParamsMap getBoolean is error:{}",e);
		}
		return null;
	}
	
	/**
	 * 
	 * @Title: getDate
	 * @Description: 获取日期值
	 * @param key
	 * @return
	 */
	public Date getDate(String key){
		try {
			if (containsKey(key)) {
				SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
				if(get(key)!=null && !"".equals(get(key)))
					return df.parse(get(key).toString());
			}
		} catch (Exception e) {
			log.error("ParamsMap getDate is error:{}",e);
		}
		return null;
	}
	
	/**
	 * 
	 * @Title: getStringArray
	 * @Description: 获取字符串数组
	 * @param key
	 * @return
	 */
	public String[] getArray(String key){
		try {
			if (containsKey(key)) {
				if(get(key)==null && !"".equals(get(key))) return new String[0];
					return get(key).toString().split(",");
			}
		} catch (Exception e) {
			log.error("ParamsMap getStringArray is error:{}",e);
			e.printStackTrace();
		}
		return null;
	}
	
	
	/**
	 * 
	 * @Title: getIntegerArray
	 * @Description: 获取整型数组
	 * @param key
	 * @return
	 */
	public Integer[] getIntegerArray(String key){
		try {
			if (containsKey(key)) {
				String [] tmp = getArray(key);
				if(tmp==null)return null;
				Integer []tmpInt = new Integer[tmp.length];
				int index = 0;
				for(String s:tmp){
					if(s==null||s.equals(""))continue;
					tmpInt[index]=Integer.parseInt(s);
				}
				return tmpInt;
			}
		} catch (Exception e) {
			log.error("ParamsMap getAsIntegerArray is error:{}",e);
			e.printStackTrace();
		}
		return null;
	}

	public Long[] getLongArray(String key) {
		try {
			if(containsKey(key)) {
				String [] tmp = getArray(key);
				if(tmp==null)return null;
				Long [] tmpInt = new Long[tmp.length];
				int index = 0;
				for(String s:tmp){
					if(s==null||s.equals(""))continue;
					tmpInt[index]=Long.parseLong(s);
				}
				return tmpInt;
			}
		} catch (Exception e) {
			log.error("ParamsMap getLongArray is error:{}",e);
			e.printStackTrace();
		}
		return null;
	}
}