// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.io;

import static org.junit.Assert.*

import org.junit.Test
import org.openstreetmap.josm.io.ChangesetQuery.ChangesetQueryUrlException
import org.openstreetmap.josm.io.ChangesetQuery.ChangesetQueryUrlParser

class ChangesetQueryUrlParserTest {
    final shouldFail = new GroovyTestCase().&shouldFail

    @Test
    public void test_constructor() {
        ChangesetQueryUrlParser parser = new ChangesetQueryUrlParser();
    }

    @Test
    public void test_parse_basic() {
        ChangesetQueryUrlParser parser = new ChangesetQueryUrlParser();

        // OK
        parser.parse ""

        // should be OK
        ChangesetQuery q = parser.parse(null)
        assert q != null

        // should be OK
        q = parser.parse("")
        assert q != null
    }

    @Test
    public void test_uid() {
        ChangesetQueryUrlParser parser = new ChangesetQueryUrlParser();
        def ChangesetQuery q

        // OK
        q = parser.parse("uid=1234")
        assert q != null

        shouldFail(ChangesetQueryUrlException) {
            q = parser.parse("uid=0")
        }

        shouldFail(ChangesetQueryUrlException) {
            q = parser.parse("uid=-1")
        }

        shouldFail(ChangesetQueryUrlException) {
            q = parser.parse("uid=abc")
        }
    }

    @Test
    public void test_display_name() {
        ChangesetQueryUrlParser parser = new ChangesetQueryUrlParser();
        def ChangesetQuery q

        // OK
        q = parser.parse("display_name=abcd")
        assert q != null
        assert q.@userName == "abcd"
    }


    @Test
    public void test_open() {
        ChangesetQueryUrlParser parser = new ChangesetQueryUrlParser();
        def ChangesetQuery q

        // OK
        q = parser.parse("open=true")
        assert q != null
        assert q.@open == true

        // OK
        q = parser.parse("open=false")
        assert q != null
        assert q.@open == false

        // illegal value for open
        shouldFail(ChangesetQueryUrlException) {
            q = parser.parse("open=abcd")
        }
    }

    @Test
    public void test_closed() {
        ChangesetQueryUrlParser parser = new ChangesetQueryUrlParser();
        def ChangesetQuery q

        // OK
        q = parser.parse("closed=true")
        assert q != null
        assert q.@closed == true

        // OK
        q = parser.parse("closed=false")
        assert q != null
        assert q.@closed == false

        // illegal value for open
        shouldFail(ChangesetQueryUrlException) {
            q = parser.parse("closed=abcd")
        }
    }


    @Test
    public void test_uid_and_display_name() {
        ChangesetQueryUrlParser parser = new ChangesetQueryUrlParser();
        def ChangesetQuery q

        // we can't have both an uid and a display name
        shouldFail(ChangesetQueryUrlException) {
            q = parser.parse("uid=1&display_name=abcd")
        }
    }

    @Test
    public void test_time() {
        ChangesetQueryUrlParser parser = new ChangesetQueryUrlParser();
        def ChangesetQuery q

        // OK
        q = parser.parse("time=2009-12-25T10:00:00Z")
        assert q != null
        assert q.@closedAfter != null
        Calendar cal = new GregorianCalendar(TimeZone.getTimeZone("GMT+0"));
        cal.setTime(q.@closedAfter);
        assert cal.get(Calendar.YEAR) == 2009
        assert cal.get(Calendar.MONTH) == 11 // calendar is 0-based
        assert cal.get(Calendar.DAY_OF_MONTH) == 25
        assert cal.get(Calendar.HOUR_OF_DAY) == 10
        assert cal.get(Calendar.MINUTE) == 0
        assert cal.get(Calendar.SECOND) == 0

        // OK
        q = parser.parse("time=2009-12-25T10:00:00Z,2009-11-25T10:00:00Z")
        assert q!= null
        assert q.@closedAfter != null
        assert q.@createdBefore != null

        // should fail
        shouldFail(ChangesetQueryUrlException) {
            q = parser.parse("time=asdf")
        }
    }

    @Test
    public void test_bbox() {
        ChangesetQueryUrlParser parser = new ChangesetQueryUrlParser();
        def ChangesetQuery q

        // OK
        q = parser.parse("bbox=-1,-1,1,1")
        assert q != null
        assert q.@bounds != null

        // should fail
        shouldFail(ChangesetQueryUrlException) {
            q = parser.parse("bbox=-91,-1,1,1")
        }

        // should fail
        shouldFail(ChangesetQueryUrlException) {
            q = parser.parse("bbox=-1,-181,1,1")
        }

        // should fail
        shouldFail(ChangesetQueryUrlException) {
            q = parser.parse("bbox=-1,-1,91,1")
        }
        // should fail
        shouldFail(ChangesetQueryUrlException) {
            q = parser.parse("bbox=-1,-1,1,181")
        }
        // should fail
        shouldFail(ChangesetQueryUrlException) {
            q = parser.parse("bbox=-1,-1,1")
        }
    }

    @Test
    public void test_changeset_ids() {
        ChangesetQueryUrlParser parser = new ChangesetQueryUrlParser();
        def ChangesetQuery q

        // OK
        q = parser.parse("changesets=1,2,3")
        assert q != null
        assert q.@changesetIds.containsAll(Arrays.asList(1L, 2L, 3L))
        assert q.@changesetIds.size() == 3

        // OK
        q = parser.parse("changesets=1,2,3,4,1")
        assert q != null
        assert q.@changesetIds.containsAll(Arrays.asList(1L, 2L, 3L, 4L))
        assert q.@changesetIds.size() == 4

        // OK
        q = parser.parse("changesets=")
        assert q != null
        assert q.@changesetIds.size() == 0

        // should fail
        shouldFail(ChangesetQueryUrlException) {
            q = parser.parse("changesets=foo")
        }
    }
}