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 *     this list of conditions and the following disclaimer.
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 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
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 *     may be used to endorse or promote products derived from this software 
 *     without specific prior written permission.
 * 
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package tweeter.parser;

import java.io.InputStream;
import javafx.data.pull.Event;
import javafx.data.pull.PullParser;
import tweeter.model.Status;
import tweeter.model.User;

/**
 * @author Rakesh Menon
 */

public class StatusParser {
    
    // Error Message (if any)
    public var errorMessage = "";

    // Information about all interesting photos
    var statuses: Status[];
    var status : Status;
    
    // Completion callback that also delivers parsed status
    public var updateStatus: function(statuses : Status[]) = null;

    public function parse(input: InputStream) {
        
        // Parse the input data (Photo Metadata) and construct Photo instance
        def parser = PullParser {

            input: input

            onEvent: function(event: Event) {
                
                if (event.type == PullParser.TEXT) {

                    if(event.level == 2) {
                        
                        if(event.qname.name == "created_at") {
                            status = Status {
                                createdAt: "{event.text}"
                            };
                        } else if(event.qname.name == "id") {
                            status.id = "{event.text}";
                        } else if(event.qname.name == "text") {
                            status.text = "{event.text}";
                        } else if(event.qname.name == "source") {
                            status.source = "{event.text}";
                        } else if(event.qname.name == "truncated") {
                            status.truncated = "{event.text}";
                        } else if(event.qname.name == "in_reply_to_status_id") {
                            status.inReplyToStatusId = "{event.text}";
                        } else if(event.qname.name == "in_reply_to_user_id") {
                            status.inReplyToUserId = "{event.text}";
                        } else if(event.qname.name == "favorited") {
                            status.favorited = "{event.text}";
                        } else if(event.qname.name == "in_reply_to_screen_name") {
                            status.inReplyToScreenName = "{event.text}";
                        } else if(event.qname.name == "user") {
                            status.user = User { };
                        }
                        
                    } else if(event.level == 3) {
                        
                        if(event.qname.name == "id") {
                            status.user.id = "{event.text}";
                        } else if(event.qname.name == "name") {
                            status.user.name = "{event.text}";
                        } else if(event.qname.name == "screen_name") {
                            status.user.screenName = "{event.text}";
                        } else if(event.qname.name == "location") {
                            status.user.location = "{event.text}";
                        } else if(event.qname.name == "description") {
                            status.user.description = "{event.text}";
                        } else if(event.qname.name == "profile_image_url") {
                            status.user.profileImageURL = "{event.text}";
                        } else if(event.qname.name == "url") {
                            status.user.url = "{event.text}";
                        } else if(event.qname.name == "protected") {
                            status.user.protectedProfile = "{event.text}";
                        } else if(event.qname.name == "followers_count") {
                            status.user.followersCount = "{event.text}";
                        } else if(event.qname.name == "profile_background_color") {
                            status.user.profileBackgroundColor = "{event.text}";
                        } else if(event.qname.name == "profile_text_color") {
                            status.user.profileTextColor = "{event.text}";
                        } else if(event.qname.name == "profile_link_color") {
                            status.user.profileLinkColor = "{event.text}";
                        } else if(event.qname.name == "profile_sidebar_fill_color") {
                            status.user.profileSidebarFillColor = "{event.text}";
                        } else if(event.qname.name == "profile_sidebar_border_color") {
                            status.user.profileSidebarBorderColor = "{event.text}";
                        } else if(event.qname.name == "friends_count") {
                            status.user.friendsCount = "{event.text}";
                        } else if(event.qname.name == "created_at") {
                            status.user.createdAt = "{event.text}";
                        } else if(event.qname.name == "favourites_count") {
                            status.user.favouritesCount = "{event.text}";
                        } else if(event.qname.name == "utc_offset") {
                            status.user.utcOffset = "{event.text}";
                        } else if(event.qname.name == "time_zone") {
                            status.user.timeZone = "{event.text}";
                        } else if(event.qname.name == "profile_background_image_url") {
                            status.user.profileBackgroundImageURL = "{event.text}";
                        } else if(event.qname.name == "profile_background_tile") {
                            status.user.profileBackgroundTile = "{event.text}";
                        } else if(event.qname.name == "statuses_count") {
                            status.user.statusesCount = "{event.text}";
                        } else if(event.qname.name == "notifications") {
                            status.user.notifications = "{event.text}";
                        } else if(event.qname.name == "following") {
                            status.user.following = "{event.text}";
                        }
                    }
                    
                } else if (event.type == PullParser.END_ELEMENT) {
                    if(event.qname.name == "status" and event.level == 1) {
                        insert status into statuses;
                    } else if(event.qname.name == "statuses" and event.level == 0) {
                        if(updateStatus != null) {
                            updateStatus(statuses);
                        }
                    }
                }
            }
        }
        
        parser.parse();
    }
}