package com.sec.xinhua.gateway.handler;

import com.sec.xinhua.gateway.beans.ApiParamType;
import com.sec.xinhua.gateway.utils.ApiHandlerException;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;


public class ApiParamValueConvertor {

    private static final Log logger = LogFactory.getLog("RiskGateway");

    public static Object convert(Object httpValue, String name, int type) throws ApiHandlerException {
        Object invokeValue = null;
        try {

            //String
            if (type == ApiParamType.STRING.getCode()) {
                invokeValue = httpValue;
            }
            //说明：使用blank判断，避免客户端或者测试用例使用空字符串
            //int 
            else if (type == ApiParamType.P_INT.getCode()) {
                invokeValue = Integer.parseInt(httpValue.toString());
            } else if (type == ApiParamType.W_INT.getCode()) {
                if (httpValue == null || StringUtils.isBlank(httpValue.toString())) {
                    invokeValue = null;
                } else {
                    invokeValue = Integer.parseInt(httpValue.toString());
                }
            }

            //double
            else if (type == ApiParamType.P_DOUBLE.getCode()) {
                invokeValue = Double.parseDouble(httpValue.toString());
            } else if (type == ApiParamType.W_DOUBLE.getCode()) {
                if (httpValue == null || StringUtils.isBlank(httpValue.toString())) {
                    invokeValue = null;
                } else {
                    invokeValue = Double.parseDouble(httpValue.toString());
                }
            }

            //byte
            else if (type == ApiParamType.P_BYTE.getCode()) {
                invokeValue = Byte.parseByte(httpValue.toString());
            } else if (type == ApiParamType.W_BYTE.getCode()) {
                if (httpValue == null || StringUtils.isBlank(httpValue.toString())) {
                    invokeValue = null;
                } else {
                    invokeValue = Byte.parseByte(httpValue.toString());
                }
            }

            //float
            else if (type == ApiParamType.P_FLOAT.getCode()) {
                invokeValue = Float.parseFloat(httpValue.toString());
            } else if (type == ApiParamType.W_FLOAT.getCode()) {
                if (httpValue == null || StringUtils.isBlank(httpValue.toString())) {
                    invokeValue = null;
                } else {
                    invokeValue = Float.parseFloat(httpValue.toString());
                }
            }

            //long
            else if (type == ApiParamType.P_LONG.getCode()) {
                invokeValue = Long.parseLong(httpValue.toString());
            } else if (type == ApiParamType.W_LONG.getCode()) {
                if (httpValue == null || StringUtils.isBlank(httpValue.toString())) {
                    invokeValue = null;
                } else {
                    invokeValue = Long.parseLong(httpValue.toString());
                }
            }

            //short
            else if (type == ApiParamType.P_SHORT.getCode()) {
                invokeValue = Short.parseShort(httpValue.toString());
            } else if (type == ApiParamType.W_SHORT.getCode()) {
                if (httpValue == null || StringUtils.isBlank(httpValue.toString())) {
                    invokeValue = null;
                } else {
                    invokeValue = Short.parseShort(httpValue.toString());
                }
            }

            //boolean
            else if (type == ApiParamType.P_BOOLEAN.getCode()) {
                String boolStr = httpValue.toString().trim();
                //修复boolean parse异常
                ApiParamType apt = ApiParamType.getByCode(type);
                if (StringUtils.isBlank(boolStr)) {

                    throw new ApiHandlerException("Parse parameter error;type:"
                                                  + (apt == null ? type : apt.getClassName()) + ",name:" + name
                                                  + ",value:" + httpValue);
                } else {
                    if (boolStr.equalsIgnoreCase("true")) {
                        invokeValue = true;
                    } else if (boolStr.equalsIgnoreCase("false")) {
                        invokeValue = false;
                    } else {
                        throw new ApiHandlerException("value is not type:'" + apt.getClassName() + ", param name:"
                                                      + name + ",param value:" + boolStr);
                    }
                }
            } else if (type == ApiParamType.W_BOOLEAN.getCode()) {
                ApiParamType apt = ApiParamType.getByCode(type);
                if (httpValue == null) {
                    invokeValue = null;
                } else {
                    String boolStr = httpValue.toString();
                    //修正
                    if (StringUtils.isBlank(httpValue.toString())) {
                        invokeValue = null;
                    } else {
                        if (boolStr.equalsIgnoreCase("true")) {
                            invokeValue = Boolean.TRUE;
                        } else if (boolStr.equalsIgnoreCase("false")) {
                            invokeValue = Boolean.FALSE;
                        } else {
                            throw new ApiHandlerException("value is not type:'" + apt.getClassName() + ", param name:"
                                                          + name + ",param value:" + boolStr);
                        }
                    }
                }
            } else {
                logger.error("Unsuported parametertype:'" + type + ", param name:" + name);
                throw new ApiHandlerException("Unsuported parametertype:'" + type + ", param name:" + name);
            }
        } catch (Exception e) {
            if (e instanceof ApiHandlerException) {
                throw (ApiHandlerException) e;
            }

            ApiParamType apt = ApiParamType.getByCode(type);
            throw new ApiHandlerException("Parse parameter error;type:" + (apt == null ? type : apt.getClassName())
                                          + ",name:" + name + ",value:" + httpValue, e);
        }

        return invokeValue;
    }
}