package cgeo.geocaching.connector.gc;

import cgeo.geocaching.SearchResult;
import cgeo.geocaching.Settings;
import cgeo.geocaching.cgCache;
import cgeo.geocaching.cgImage;
import cgeo.geocaching.cgWaypoint;
import cgeo.geocaching.enumerations.LoadFlags;
import cgeo.geocaching.enumerations.StatusCode;
import cgeo.geocaching.geopoint.Geopoint;
import cgeo.geocaching.test.AbstractResourceInstrumentationTestCase;
import cgeo.geocaching.test.R;
import cgeo.geocaching.test.RegExPerformanceTest;
import cgeo.geocaching.test.mock.MockedCache;
import cgeo.geocaching.utils.CancellableHandler;
import cgeo.test.Compare;

import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.lang3.StringUtils;

import android.os.Handler;
import android.test.suitebuilder.annotation.MediumTest;

import java.util.ArrayList;

public class GCParserTest extends AbstractResourceInstrumentationTestCase {
    public void testUnpublishedCache() {
        final String page = getFileContent(R.raw.cache_unpublished);
        SearchResult result = GCParser.parseCacheFromText(page, null);
        assertNotNull(result);
        assertTrue(result.isEmpty());
        assertEquals(StatusCode.UNPUBLISHED_CACHE, result.getError());
    }

    public void testOwnCache() {
        final cgCache cache = parseCache(R.raw.own_cache);
        assertNotNull(cache);
        assertTrue(CollectionUtils.isNotEmpty(cache.getSpoilers()));
        assertEquals(1, cache.getSpoilers().size());
        final cgImage spoiler = cache.getSpoilers().get(0);
        assertEquals("http://img.geocaching.com/cache/large/3f9365c3-f55c-4e55-9992-ee0e5175712c.jpg", spoiler.getUrl());
        assertEquals("SPOILER", spoiler.getTitle());
        assertNull(spoiler.getDescription());
    }

    private static cgCache createCache(int index) {
        final MockedCache mockedCache = RegExPerformanceTest.MOCKED_CACHES[index];
        // to get the same results we have to use the date format used when the mocked data was created
        String oldCustomDate = Settings.getGcCustomDate();

        SearchResult searchResult;
        try {
            Settings.setGcCustomDate(MockedCache.getDateFormat());
            searchResult = GCParser.parseCacheFromText(mockedCache.getData(), null);
        } finally {
            Settings.setGcCustomDate(oldCustomDate);
        }

        assertNotNull(searchResult);
        assertEquals(1, searchResult.getCount());

        final cgCache cache = searchResult.getFirstCacheFromResult(LoadFlags.LOAD_CACHE_OR_DB);
        assertNotNull(cache);
        return cache;
    }

    /**
     * Test {@link cgBase#parseCacheFromText(String, int, CancellableHandler)} with "mocked" data
     *
     */
    @MediumTest
    public static void testParseCacheFromTextWithMockedData() {
        String gcCustomDate = Settings.getGcCustomDate();
        try {
            for (MockedCache mockedCache : RegExPerformanceTest.MOCKED_CACHES) {
                // to get the same results we have to use the date format used when the mocked data was created
                Settings.setGcCustomDate(MockedCache.getDateFormat());
                SearchResult searchResult = GCParser.parseCacheFromText(mockedCache.getData(), null);
                cgCache parsedCache = searchResult.getFirstCacheFromResult(LoadFlags.LOAD_CACHE_OR_DB);
                assertTrue(StringUtils.isNotBlank(mockedCache.getMockedDataUser()));
                Compare.assertCompareCaches(mockedCache, parsedCache, true);
            }
        } finally {
            Settings.setGcCustomDate(gcCustomDate);
        }
    }

    public static void testWaypointsFromNote() {
        final cgCache cache = createCache(0);

        final Geopoint[] empty = new Geopoint[] {};
        final Geopoint[] one = new Geopoint[] { new Geopoint("N51 21.523", "E7 2.680") };
        assertWaypointsFromNote(cache, empty, "  ");
        assertWaypointsFromNote(cache, empty, "some random strings 1 with n 2 numbers");
        assertWaypointsFromNote(cache, empty, "Station3 some coords");
        assertWaypointsFromNote(cache, one, "Station3: N51 21.523 / E07 02.680");
        assertWaypointsFromNote(cache, one, "N51 21.523 / E07 02.680");
        assertWaypointsFromNote(cache, empty, "N51 21.523");
        assertWaypointsFromNote(cache, one, "  n 51° 21.523 - E07 02.680");
        assertWaypointsFromNote(cache, new Geopoint[] {
                new Geopoint("N51 21.523", "E7 2.680"),
                new Geopoint("N52 21.523", "E12 2.680") },
                "Station3: N51 21.523 / E07 02.680\r\n Station4: N52 21.523 / E012 02.680");
        assertWaypointsFromNote(cache, empty, "51 21 523 / 07 02 680");
        assertWaypointsFromNote(cache, empty, "N51");
        assertWaypointsFromNote(cache, empty, "N 821 O 321"); // issue 922
        assertWaypointsFromNote(cache, empty, "N 821-211 O 322+11");
        assertWaypointsFromNote(cache, empty, "von 240 meter");
        assertWaypointsFromNote(cache, new Geopoint[] {
                new Geopoint("N 51 19.844", "E 7 03.625") },
                "A=7 bis B=12 Quellen\r\nC= 66 , Quersumme von 240 m NN\r\nD= 67 , Quersumme von 223 m NN\r\nParken:\r\nN 51 19.844\r\nE 7 03.625");
        assertWaypointsFromNote(cache, new Geopoint[] {
                new Geopoint("N51 21.444", "E07 02.600"),
                new Geopoint("N51 21.789", "E07 02.800"),
                new Geopoint("N51 21.667", "E07 02.800"),
                new Geopoint("N51 21.444", "E07 02.706"),
                new Geopoint("N51 21.321", "E07 02.700"),
                new Geopoint("N51 21.123", "E07 02.477"),
                new Geopoint("N51 21.734", "E07 02.500"),
                new Geopoint("N51 21.733", "E07 02.378"),
                new Geopoint("N51 21.544", "E07 02.566") },
                "Station3: N51 21.444 / E07 02.600\r\nStation4: N51 21.789 / E07 02.800\r\nStation5: N51 21.667 / E07 02.800\r\nStation6: N51 21.444 / E07 02.706\r\nStation7: N51 21.321 / E07 02.700\r\nStation8: N51 21.123 / E07 02.477\r\nStation9: N51 21.734 / E07 02.500\r\nStation10: N51 21.733 / E07 02.378\r\nFinal: N51 21.544 / E07 02.566");
    }

    @MediumTest
    public static void testEditModifiedCoordinates() {
        cgCache cache = new cgCache();
        cache.setGeocode("GC2ZN4G");
        // upload coordinates
        GCParser.editModifiedCoordinates(cache, new Geopoint("N51 21.544", "E07 02.566"));
        cache.drop(new Handler());
        String page = GCParser.requestHtmlPage(cache.getGeocode(), null, "n", "0");
        cgCache cache2 = GCParser.parseCacheFromText(page, null).getFirstCacheFromResult(LoadFlags.LOAD_CACHE_ONLY);
        assertTrue(cache2.hasUserModifiedCoords());
        assertEquals(new Geopoint("N51 21.544", "E07 02.566"), cache2.getCoords());
        // delete coordinates
        GCParser.deleteModifiedCoordinates(cache2);
        cache2.drop(new Handler());
        String page2 = GCParser.requestHtmlPage(cache.getGeocode(), null, "n", "0");
        cgCache cache3 = GCParser.parseCacheFromText(page2, null).getFirstCacheFromResult(LoadFlags.LOAD_CACHE_ONLY);
        assertFalse(cache3.hasUserModifiedCoords());
    }

    private static void assertWaypointsFromNote(final cgCache cache, Geopoint[] expected, String note) {
        cache.setPersonalNote(note);
        cache.setWaypoints(new ArrayList<cgWaypoint>(), false);
        cache.parseWaypointsFromNote();
        assertEquals(expected.length, cache.getWaypoints().size());
        for (int i = 0; i < expected.length; i++) {
            assertTrue(expected[i].equals(cache.getWaypoint(i).getCoords()));
        }
    }

    public void testWaypointParsing() {
        cgCache cache = parseCache(R.raw.gc366bq);
        assertEquals(13, cache.getWaypoints().size());
        //make sure that waypoints are not duplicated
        cache = parseCache(R.raw.gc366bq);
        assertEquals(13, cache.getWaypoints().size());
    }

    private cgCache parseCache(int resourceId) {
        final String page = getFileContent(resourceId);
        SearchResult result = GCParser.parseCacheFromText(page, null);
        assertNotNull(result);
        assertFalse(result.isEmpty());
        return result.getFirstCacheFromResult(LoadFlags.LOAD_CACHE_OR_DB);
    }

}