package org.apache.http.impl.cookie;

import org.apache.http.Header;
import org.apache.http.HeaderElement;
import org.apache.http.NameValuePair;
import org.apache.http.annotation.Contract;
import org.apache.http.annotation.Obsolete;
import org.apache.http.annotation.ThreadingBehavior;
import org.apache.http.cookie.ClientCookie;
import org.apache.http.cookie.CommonCookieAttributeHandler;
import org.apache.http.cookie.Cookie;
import org.apache.http.cookie.CookieAttributeHandler;
import org.apache.http.cookie.CookieOrigin;
import org.apache.http.cookie.CookieRestrictionViolationException;
import org.apache.http.cookie.MalformedCookieException;
import org.apache.http.message.BufferedHeader;
import org.apache.http.util.Args;
import org.apache.http.util.CharArrayBuffer;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;

@Obsolete
@Contract(
   threading = ThreadingBehavior.SAFE
)
public class RFC2965Spec extends RFC2109Spec {
   public RFC2965Spec() {
      this((String[])null, false);
   }

   public RFC2965Spec(String[] datepatterns, boolean oneHeader) {
      super(oneHeader, new RFC2965VersionAttributeHandler(), new BasicPathHandler() {
         public void validate(Cookie cookie, CookieOrigin origin) throws MalformedCookieException {
            if (!this.match(cookie, origin)) {
               throw new CookieRestrictionViolationException("Illegal 'path' attribute \"" + cookie.getPath() + "\". Path of origin: \"" + origin.getPath() + "\"");
            }
         }
      }, new RFC2965DomainAttributeHandler(), new RFC2965PortAttributeHandler(), new BasicMaxAgeHandler(), new BasicSecureHandler(), new BasicCommentHandler(), new BasicExpiresHandler(datepatterns != null ? datepatterns.clone() : DATE_PATTERNS), new RFC2965CommentUrlAttributeHandler(), new RFC2965DiscardAttributeHandler());
   }

   RFC2965Spec(boolean oneHeader, CommonCookieAttributeHandler... handlers) {
      super(oneHeader, handlers);
   }

   public List<Cookie> parse(Header header, CookieOrigin origin) throws MalformedCookieException {
      Args.notNull(header, "Header");
      Args.notNull(origin, "Cookie origin");
      if (!header.getName().equalsIgnoreCase("Set-Cookie2")) {
         throw new MalformedCookieException("Unrecognized cookie header '" + header.toString() + "'");
      } else {
         HeaderElement[] elems = header.getElements();
         return this.createCookies(elems, adjustEffectiveHost(origin));
      }
   }

   protected List<Cookie> parse(HeaderElement[] elems, CookieOrigin origin) throws MalformedCookieException {
      return this.createCookies(elems, adjustEffectiveHost(origin));
   }

   private List<Cookie> createCookies(HeaderElement[] elems, CookieOrigin origin) throws MalformedCookieException {
      List<Cookie> cookies = new ArrayList(elems.length);

      for(HeaderElement headerelement : elems) {
         String name = headerelement.getName();
         String value = headerelement.getValue();
         if (name == null || name.isEmpty()) {
            throw new MalformedCookieException("Cookie name may not be empty");
         }

         BasicClientCookie2 cookie = new BasicClientCookie2(name, value);
         cookie.setPath(getDefaultPath(origin));
         cookie.setDomain(getDefaultDomain(origin));
         cookie.setPorts(new int[]{origin.getPort()});
         NameValuePair[] attribs = headerelement.getParameters();
         Map<String, NameValuePair> attribmap = new HashMap(attribs.length);

         for(int j = attribs.length - 1; j >= 0; --j) {
            NameValuePair param = attribs[j];
            attribmap.put(param.getName().toLowerCase(Locale.ROOT), param);
         }

         for(Map.Entry<String, NameValuePair> entry : attribmap.entrySet()) {
            NameValuePair attrib = (NameValuePair)entry.getValue();
            String s = attrib.getName().toLowerCase(Locale.ROOT);
            cookie.setAttribute(s, attrib.getValue());
            CookieAttributeHandler handler = this.findAttribHandler(s);
            if (handler != null) {
               handler.parse(cookie, attrib.getValue());
            }
         }

         cookies.add(cookie);
      }

      return cookies;
   }

   public void validate(Cookie cookie, CookieOrigin origin) throws MalformedCookieException {
      Args.notNull(cookie, "Cookie");
      Args.notNull(origin, "Cookie origin");
      super.validate(cookie, adjustEffectiveHost(origin));
   }

   public boolean match(Cookie cookie, CookieOrigin origin) {
      Args.notNull(cookie, "Cookie");
      Args.notNull(origin, "Cookie origin");
      return super.match(cookie, adjustEffectiveHost(origin));
   }

   protected void formatCookieAsVer(CharArrayBuffer buffer, Cookie cookie, int version) {
      super.formatCookieAsVer(buffer, cookie, version);
      if (cookie instanceof ClientCookie) {
         String s = ((ClientCookie)cookie).getAttribute("port");
         if (s != null) {
            buffer.append("; $Port");
            buffer.append("=\"");
            if (!s.trim().isEmpty()) {
               int[] ports = cookie.getPorts();
               if (ports != null) {
                  int len = ports.length;

                  for(int i = 0; i < len; ++i) {
                     if (i > 0) {
                        buffer.append(",");
                     }

                     buffer.append(Integer.toString(ports[i]));
                  }
               }
            }

            buffer.append("\"");
         }
      }

   }

   private static CookieOrigin adjustEffectiveHost(CookieOrigin origin) {
      String host = origin.getHost();
      boolean isLocalHost = true;

      for(int i = 0; i < host.length(); ++i) {
         char ch = host.charAt(i);
         if (ch == '.' || ch == ':') {
            isLocalHost = false;
            break;
         }
      }

      return isLocalHost ? new CookieOrigin(host + ".local", origin.getPort(), origin.getPath(), origin.isSecure()) : origin;
   }

   public int getVersion() {
      return 1;
   }

   public Header getVersionHeader() {
      CharArrayBuffer buffer = new CharArrayBuffer(40);
      buffer.append("Cookie2");
      buffer.append(": ");
      buffer.append("$Version=");
      buffer.append(Integer.toString(this.getVersion()));
      return new BufferedHeader(buffer);
   }

   public String toString() {
      return "rfc2965";
   }
}
