/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package openecho.json;

import java.io.IOException;
import java.util.Locale;
import openecho.parser.ParserException;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;

/**
 *
 * @author jmarsden
 */
public class JPathTest {

    JSONParser parser;

    public JPathTest() {
    }

    @BeforeClass
    public static void setUpClass() throws Exception {
    }

    @AfterClass
    public static void tearDownClass() throws Exception {
    }

    @Before
    public void setUp() {
        parser = new JSONParser();
        parser.setLocale(Locale.ENGLISH);
    }

    @After
    public void tearDown() {
    }

    @Test
    public void testGetMethod() throws IOException, ParserException {
        StringBuilder randomDoubleArray = new StringBuilder();
        randomDoubleArray.append("[" + Math.random());
        for(int i=0;i<10000;i++) {
            randomDoubleArray.append(",\t" + i);
        }
        randomDoubleArray.append("]");

        String jsonString =
                "{ \"store\": {\r\n"
                + "    \"book\": [ \r\n"
                + "      { \"category\": \"reference\",\r\n"
                + "        \"author\": \"Nigel Rees\",\r\n"
                + "        \"title\": \"Sayings of the Century\",\r\n"
                + "        \"price\": 8.95\r\n"
                + "      },\r\n"
                + "      { \"category\": \"fiction\",\r\n"
                + "        \"author\": \"Evelyn Waugh\",\r\n"
                + "        \"title\": \"Sword of Honour\",\r\n"
                + "        \"price\": 12.99\r\n"
                + "      },\r\n"
                + "      { \"category\": \"fiction\",\r\n"
                + "        \"author\": \"Herman Melville\",\r\n"
                + "        \"title\": \"Moby Dick\",\r\n"
                + "        \"isbn\": \"0-553-21311-3\",\r\n"
                + "        \"price\": 8.99,\r\n"
                + "        \"sam\": \"Awesome\"\r\n"
                + "      },\r\n"
                + "      { \"category\": \"fiction\",\r\n"
                + "        \"author\": \"J. R. R. Tolkien\",\r\n"
                + "        \"title\": \"The Lord of the Rings\",\r\n"
                + "        \"isbn\": \"0-395-19395-8\",\r\n"
                + "        \"price\": 22.99\r\n"
                + "      }\r\n"
                + "    ],\r\n"
                + "    \"bicycle\": {\r\n"
                + "      \"color\": \"red\",\r\n"
                + "      \"price\": 19.95\r\n"
                + "    },\r\n"
                + "    \"number\": " + randomDoubleArray.toString() + ""
                + "  }\r\n"
                + "}";
        JSON json = JSON.parse(jsonString);
        System.out.println(json.getRoot().getValueType() + "(" + json.getRoot().nestedSize() + "): " + json.getRoot().toJSON());

        JPathParser jPathParser = new JPathParser();
        JPath path1 = jPathParser.parse("/store");
        path1.setRecordEvaluateTime(true);
        Value value = path1.evaluate(json);
        System.out.println(value.getValueType() + "(" + value.nestedSize() + "): " + value.toJSON() + " (in " + path1.getLastEvaluateTime() + " ms)");

        JPath path2 = jPathParser.parse("/store/book[2]");
        path2.setRecordEvaluateTime(true);
        value = path2.evaluate(json);
        System.out.println(value.getValueType() + "(" + value.nestedSize() + "): " + value.toJSON() + " (in " + path2.getLastEvaluateTime() + " ms)");

        JPath path3 = jPathParser.parse("/store/book[2]/title");
        path3.setRecordEvaluateTime(true);
        value = path3.evaluate(json);
        System.out.println(value.getValueType() + "(" + value.nestedSize() + "): " + value.toJSON() + " (in " + path3.getLastEvaluateTime() + " ms)");

        JPath path4 = jPathParser.parse("/store/book[$]/title");
        path4.setRecordEvaluateTime(true);
        value = path4.evaluate(json);
        System.out.println(value.getValueType() + "(" + value.nestedSize() + "): " + value.toJSON() + " (in " + path4.getLastEvaluateTime() + " ms)");

        JPath path5 = jPathParser.parse("/store/book[last()-3]/title");
        path5.setRecordEvaluateTime(true);
        value = path5.evaluate(json);
        System.out.println(value.getValueType() + "(" + value.nestedSize() + "): " + value.toJSON() + " (in " + path5.getLastEvaluateTime() + " ms)");

        JPath path6 = jPathParser.parse("/store/book[last()-1337]/title");
        try {
            value = path6.evaluate(json);
        } catch (Exception e) {
            System.out.println(e.toString());
        }

        JPath path7 = jPathParser.parse("/store/number[$-1337]");
        path7.setRecordEvaluateTime(true);
        value = path7.evaluate(json);
        System.out.println(value.getValueType() + "(" + value.nestedSize() + "): " + value.toJSON() + " (in " + path7.getLastEvaluateTime() + " ms)");

    }
}


/**
Output

OBJECT(10030): {"store":{"book":[{"category":"reference","author":"Nigel Rees","title":"Sayings of the Century","price":8.95}, {"category":"fiction","author":"Evelyn Waugh","title":"Sword of Honour","price":12.99}, {"category":"fiction","author":"Herman Melville","title":"Moby Dick","isbn":"0-553-21311-3","price":8.99,"sam":"Awesome"}, {"category":"fiction","author":"J. R. R. Tolkien","title":"The Lord of the Rings","isbn":"0-395-19395-8","price":22.99}],"bicycle":{"color":"red","price":19.95},"number":[0.3682880742380762, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68,
..
Lots more numbers
..
, 9998, 9999]}}
OBJECT(10029): {"book":[{"category":"reference","author":"Nigel Rees","title":"Sayings of the Century","price":8.95}, {"category":"fiction","author":"Evelyn Waugh","title":"Sword of Honour","price":12.99}, {"category":"fiction","author":"Herman Melville","title":"Moby Dick","isbn":"0-553-21311-3","price":8.99,"sam":"Awesome"}, {"category":"fiction","author":"J. R. R. Tolkien","title":"The Lord of the Rings","isbn":"0-395-19395-8","price":22.99}],"bicycle":{"color":"red","price":19.95},"number":[0.3682880742380762, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68,..
Lots more numbers
..
 9996, 9997, 9998, 9999]} (in 640 ms)
OBJECT(6): {"category":"fiction","author":"Herman Melville","title":"Moby Dick","isbn":"0-553-21311-3","price":8.99,"sam":"Awesome"} (in 163 ms)
STRING(0): "Moby Dick" (in 23 ms)
STRING(0): "The Lord of the Rings" (in 17 ms)
STRING(0): "Sword of Honour" (in 13 ms)
openecho.json.JPathRuntimeException: Component '2'. Predicate Index Out of Bounds. [-1333]
NUMERIC(0): 8663 (in 16 ms)
**/