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package localsearch.parser;

import java.io.InputStream;
import javafx.data.pull.Event;
import javafx.data.pull.PullParser;
import localsearch.model.Category;
import localsearch.model.Rating;
import localsearch.model.Restaurant;
import localsearch.Main;

/**
 * Sample FX Script Application for Yahoo!'s Local Search Service
 * This version uses the PullParser API to parse results in JSON.
 */

public function processResults(is: InputStream) : Void {
    def parser = PullParser { documentType: PullParser.JSON; input: is; onEvent: parseEventCallback; };
    parser.parse();
    is.close();
}

// temporary variables needed during processing
var result: Restaurant;
var category: Category;

def parseEventCallback = function(event: Event) {
    
    if (event.type == PullParser.START_VALUE) {
        if (event.name == "Rating" and event.level == 2) {
            result.rating = Rating {}
        } else if (event.name == "Category" and event.level == 3) {
            category = Category {}
        }
        } else if (event.type == PullParser.END_VALUE) {
        if (event.name == "id" and event.level == 2) {                
            result.id = event.text;
        } else if (event.name == "Title" and event.level == 2) {
            result.title = event.text;
        } else if (event.name == "Address" and event.level == 2) {
            result.address = event.text;
        } else if (event.name == "City" and event.level == 2) {
            result.city = event.text;
        } else if (event.name == "State" and event.level == 2) {
            result.state = event.text;
        } else if (event.name == "Phone" and event.level == 2) {
            result.phone = event.text;
        } else if (event.name == "Latitude" and event.level == 2) {
            result.latitude = event.text;
        } else if (event.name == "Longitude" and event.level == 2) {
            result.longitude = event.text;
        } else if (event.name == "AverageRating" and event.level == 3) {
            result.rating.averageRating = event.text;
        } else if (event.name == "TotalRatings" and event.level == 3) {
            result.rating.totalRatings = event.text;
        } else if (event.name == "TotalReviews" and event.level == 3) {
            result.rating.totalReviews = event.text
        } else if (event.name == "LastReviewDate" and event.level == 3) {
            result.rating.lastReviewDate = event.text
        } else if (event.name == "LastReviewIntro" and event.level == 3) {
            result.rating.lastReviewIntro = event.text
        } else if (event.name == "Distance" and event.level == 2) {
            result.distance = event.text
        } else if (event.name == "Url" and event.level == 2) {
            result.url = event.text
        } else if (event.name == "ClickUrl" and event.level == 2) {
            result.clickUrl = event.text
        } else if (event.name == "MapUrl" and event.level == 2) {
            result.mapUrl = event.text
        } else if (event.name == "BusinessUrl" and event.level == 2) {
            result.businessUrl = event.text
        } else if (event.name == "BusinessClickUrl" and event.level == 2) {            
            result.businessClickUrl = event.text
        } else if (event.name == "id" and event.level == 4) {
            category.id = event.text;
        } else if (event.name == "content" and event.level == 4) {        
            category.value = event.text;
        } else if (event.name == "Category" and event.level == 3) {
            insert category into result.categories;
        }
    } else if (event.type == PullParser.START_ARRAY_ELEMENT) {
        if (event.level == 1) {
            result = Restaurant{}
        }
    } else if (event.type == PullParser.END_ARRAY_ELEMENT) {
        if (event.level == 1) {
            insert result into Main.restaurants;
            Main.showRestaurantDetails(0, true);
        }
    }
}