package com.isu.gaswellwatch.exception;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.EqualsAndHashCode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.ArrayList;
import java.util.List;

@Data
@AllArgsConstructor
@EqualsAndHashCode(callSuper = true)
public class BusinessException extends RuntimeException {
    /**
     * <li>日志</li>
     */
    private static Logger logger = LoggerFactory.getLogger(BusinessException.class);

    /**
     * <li>状态码</li>
     */
    private Integer code = 500;

    /**
     * <li>字符串错误信息（和i18n无关）</li>
     */
    private String message;
    /**
     * 国际化文件中需要被替换的字符集合
     */
    private List<String> replaceCharacters = null;

    public BusinessException(int code, String message) {
        this.code = code;
        this.message = message;
    }

    /**
     * 默认构造方法
     */
    public BusinessException() {
        super();
    }

    /**
     * 重载构造函数
     *
     * @param message
     */
    public BusinessException(String message) {
        this.message = message;
    }

    /**
     * 重载构造函数
     *
     * @param message           消息编码
     * @param replaceCharacters 国际化文件中需要被替换的字符串集合
     */
    public BusinessException(String message, List<String> replaceCharacters) {
        this.message = message;
        this.replaceCharacters = replaceCharacters;
    }

    /**
     * 重载构造函数
     *
     * @param message           消息编码
     * @param replaceCharacters 国际化文件中需要被替换的字符串集合
     */
    public BusinessException(String message, String... replaceCharacters) {

        this.message = message;
        if (replaceCharacters != null && replaceCharacters.length > 0) {
            this.replaceCharacters = new ArrayList<>();
            for (String replaceCharacter : replaceCharacters) {
                this.replaceCharacters.add(replaceCharacter);
            }
        }
    }

    /**
     * 构造方法
     *
     * @param message 消息编码
     * @param cause   异常原因
     */
    public BusinessException(String message, Throwable cause) {
        super(message, cause);
        this.message = message;
    }

    /**
     * 重载构造函数
     *
     * @param message           消息编码
     * @param replaceCharacters 国际化文件中需要被替换的字符串集合
     * @param cause             错误原因
     */
    public BusinessException(String message, List<String> replaceCharacters, Throwable cause) {
        super(message, cause);
        this.message = message;
        this.replaceCharacters = replaceCharacters;
    }

    /**
     * 获得出错信息. 读取i18N properties文件中 messageCode对应的message,并组合参数获得i18n的出错信息.
     *
     * @return 返回 message
     */
    @Override
    public String getMessage() {
        logger.debug("businessException code：" + message);

        // 否则用messageCode查询Properties文件获得出错信息
        String result = null;

        // message = "Message Code is: " + messageCode + ", but can't get the message of the Message Code";
        result = this.message;

        // 是否有需要替换的字符
        if ((replaceCharacters != null) && (replaceCharacters.size() > 0)) {
            for (int i = 0; i < replaceCharacters.size(); i++) {
                String tempChar = "{" + i + "}";

                if (result.indexOf(tempChar) != -1) {
                    result = result.replace(tempChar, replaceCharacters.get(i));
                }
            }
        }

        return result;
    }
}