package com.x.base.core.project.config;

import java.io.File;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.BooleanUtils;
import org.apache.commons.lang3.StringUtils;

import com.x.base.core.project.annotation.FieldDescribe;
import com.x.base.core.project.gson.XGsonBuilder;
import com.x.base.core.project.tools.BaseTools;
import com.x.base.core.project.tools.DefaultCharset;

public class General extends ConfigObject {

	private static final long serialVersionUID = 4393280516414081348L;
	private static final Boolean DEFAULT_WEBSOCKETENABLE = true;
	private static final Boolean DEFAULT_CONFIGAPIENABLE = true;
	private static final List<String> DEFAULT_SCRIPTINGBLOCKEDCLASSES = Arrays.asList(Runtime.class.getName(),
			File.class.getName(), Path.class.getName(), ProcessBuilder.class.getName());
	private static final Boolean DEFAULT_REQUESTLOGENABLE = false;
	private static final Integer DEFAULT_REQUESTLOGRETAINDAYS = 7;
	private static final Boolean DEFAULT_REQUESTLOGBODYENABLE = false;

	private static final Boolean DEFAULT_DEPLOYRESOURCEENABLE = false;
	private static final Boolean DEFAULT_DEPLOYWARENABLE = false;

	private static final Boolean DEFAULT_STATENABLE = false;
	private static final String DEFAULT_STATEXCLUSIONS = "*.js,*.gif,*.jpg,*.png,*.css,*.ico";
	private static final Boolean DEFAULT_EXPOSEJEST = true;
	private static final String DEFAULT_REFERERHEADCHECKREGULAR = "";
	private static final String DEFAULT_ACCESSCONTROLALLOWORIGIN = "";
	private static final String DEFAULT_IDFORMATCHECKREGULAR = "";

	public static General defaultInstance() {
		General o = new General();
		o.webSocketEnable = DEFAULT_WEBSOCKETENABLE;
		o.configApiEnable = DEFAULT_CONFIGAPIENABLE;
		o.scriptingBlockedClasses = DEFAULT_SCRIPTINGBLOCKEDCLASSES;
		o.requestLogEnable = DEFAULT_REQUESTLOGENABLE;
		o.requestLogRetainDays = DEFAULT_REQUESTLOGRETAINDAYS;
		o.requestLogBodyEnable = DEFAULT_REQUESTLOGBODYENABLE;
		o.deployResourceEnable = DEFAULT_DEPLOYRESOURCEENABLE;
		o.deployWarEnable = DEFAULT_DEPLOYWARENABLE;
		o.statEnable = DEFAULT_STATENABLE;
		o.statExclusions = DEFAULT_STATEXCLUSIONS;
		o.exposeJest = DEFAULT_EXPOSEJEST;
		o.refererHeadCheckRegular = DEFAULT_REFERERHEADCHECKREGULAR;
		o.accessControlAllowOrigin = DEFAULT_ACCESSCONTROLALLOWORIGIN;
		o.idFormatCheckRegular = DEFAULT_IDFORMATCHECKREGULAR;
		o.attachmentConfig = new AttachmentConfig();
		return o;
	}

	@FieldDescribe("启用访问日志功能.")
	private Boolean requestLogEnable;

	@FieldDescribe("访问日志记录天数,默认7天.")
	private Integer requestLogRetainDays;

	@FieldDescribe("访问日志是否记录post或者put的body内容,只对content-type为application/json的请求有效.")
	private Boolean requestLogBodyEnable;

	@FieldDescribe("是否启用webSocket链接.")
	private Boolean webSocketEnable;

	@FieldDescribe("允许通过接口修改系统配置.")
	private Boolean configApiEnable;

	@FieldDescribe("是否允许部署war包.")
	private Boolean deployWarEnable;

	@FieldDescribe("是否允许部署静态资源.")
	private Boolean deployResourceEnable;

	@FieldDescribe("启用统计,默认启用统计.")
	private Boolean statEnable;

	@FieldDescribe("统计忽略路径,默认忽略*.js,*.gif,*.jpg,*.png,*.css,*.ico")
	private String statExclusions;

	@FieldDescribe("暴露jest接口.")
	private Boolean exposeJest;

	@FieldDescribe("脚本中禁止用的类名,保持为空则默认禁用Runtime,File,Path.")
	private List<String> scriptingBlockedClasses;

	@FieldDescribe("http referer 校验正则表达式,可以对CSRF攻击进行防护校验,样例:(.+?)o2oa.net(.+?)")
	private String refererHeadCheckRegular = "";

	@FieldDescribe("跨源资源共享许可,设置http返回的Access-Control-Allow-Origin标识,可以用于CORS攻击防护,样例:https://www.o2oa.net")
	private String accessControlAllowOrigin = "";

	@FieldDescribe("附件上传限制大小或者类型.")
	private AttachmentConfig attachmentConfig;

	@FieldDescribe("对象id格式校验正则表达式.")
	private String idFormatCheckRegular = "";

	public String getIdFormatCheckRegular() {
		return this.idFormatCheckRegular;
	}

	public String getRefererHeadCheckRegular() {
		return (StringUtils.isBlank(refererHeadCheckRegular) ? DEFAULT_REFERERHEADCHECKREGULAR
				: this.refererHeadCheckRegular);
	}

	public String getAccessControlAllowOrigin() {
		return (StringUtils.isBlank(accessControlAllowOrigin) ? DEFAULT_ACCESSCONTROLALLOWORIGIN
				: this.accessControlAllowOrigin);
	}

	public Boolean getExposeJest() {
		return BooleanUtils.isNotFalse(this.exposeJest);
	}

	public String getStatExclusions() {
		return (StringUtils.isEmpty(statExclusions) ? DEFAULT_STATEXCLUSIONS : this.statExclusions) + ",/druid/*";
	}

	public Boolean getStatEnable() {
		return BooleanUtils.isNotFalse(statEnable);
	}

	public Boolean getRequestLogEnable() {
		return BooleanUtils.isTrue(this.requestLogEnable);
	}

	public Integer getRequestLogRetainDays() {
		return (null == this.requestLogRetainDays || this.requestLogRetainDays < 1) ? DEFAULT_REQUESTLOGRETAINDAYS
				: this.requestLogRetainDays;
	}

	public Boolean getRequestLogBodyEnable() {
		return BooleanUtils.isTrue(this.requestLogBodyEnable);
	}

	public List<String> getScriptingBlockedClasses() {
		return (null == this.scriptingBlockedClasses) ? DEFAULT_SCRIPTINGBLOCKEDCLASSES : this.scriptingBlockedClasses;
	}

	public Boolean getWebSocketEnable() {
		return null == this.webSocketEnable ? DEFAULT_WEBSOCKETENABLE : this.webSocketEnable;
	}

	public Boolean getConfigApiEnable() {
		return null == this.configApiEnable ? DEFAULT_CONFIGAPIENABLE : this.configApiEnable;
	}

	public Boolean getDeployWarEnable() {

		return null == this.deployWarEnable ? DEFAULT_DEPLOYWARENABLE : this.deployWarEnable;
	}

	public Boolean getDeployResourceEnable() {

		return null == this.deployResourceEnable ? DEFAULT_DEPLOYRESOURCEENABLE : this.deployResourceEnable;
	}

	public AttachmentConfig getAttachmentConfig() {
		return this.attachmentConfig == null ? new AttachmentConfig() : attachmentConfig;
	}

	public static class AttachmentConfig extends ConfigObject {

		private static final long serialVersionUID = -5672631798073576284L;

		public static AttachmentConfig defaultInstance() {
			return new AttachmentConfig();
		}

		public static final Integer DEFAULT_FILE_SIZE = 0;

		@FieldDescribe("附件大小限制（单位M，默认不限制）.")
		private Integer fileSize = DEFAULT_FILE_SIZE;

		@FieldDescribe("只允许上传的文件后缀")
		private List<String> fileTypeIncludes = new ArrayList<>();

		@FieldDescribe("不允许上传的文件后缀")
		private List<String> fileTypeExcludes = Arrays.asList("jsp", "exe", "sh", "tmp");

		public Integer getFileSize() {
			return fileSize;
		}

		public List<String> getFileTypeIncludes() {
			return fileTypeIncludes;
		}

		public List<String> getFileTypeExcludes() {
			return fileTypeExcludes;
		}

	}

	public void save() throws Exception {
		File file = new File(Config.base(), Config.PATH_CONFIG_GENERAL);
		FileUtils.write(file, XGsonBuilder.toJson(this), DefaultCharset.charset);
		BaseTools.executeSyncFile(Config.PATH_CONFIG_GENERAL);
	}

}