'use strict';

var testHelper = require('../../support/test-helper');

var assert = require('../../support/assert');
var cartodbServer = require('../../../lib/server');
var ServerOptions = require('./support/ported-server-options');

var LayergroupToken = require('../../../lib/models/layergroup-token');

describe('torque boundary points', function () {
    var server;

    before(function () {
        server = cartodbServer(ServerOptions);
        server.setMaxListeners(0);
    });

    var layergroupIdToDelete = null;

    beforeEach(function () {
        layergroupIdToDelete = null;
    });

    afterEach(function (done) {
        var keysToDelete = {
            'user:localhost:mapviews:global': 5
        };
        var mapKey = 'map_cfg|' + LayergroupToken.parse(layergroupIdToDelete).token;
        keysToDelete[mapKey] = 0;
        testHelper.deleteRedisKeys(keysToDelete, done);
    });

    var boundaryPointsMapConfig = {
        version: '1.1.0',
        layers: [
            {
                type: 'torque',
                options: {
                    sql: 'WITH p AS ( ' +
                    " SELECT '1970-01-02'::date as d, " +
                    // r1 is pixel resolution at zoom level 1
                    // s1 is tile size at zoom level 1
                    ' 1e-40 as o, 78271.517578125 as r1, 20037508.5 as s1 )' +
                    ' SELECT 1 as i, d, ST_MakePoint(0,0) as ug FROM p' +
                    ' UNION ALL ' +
                    'SELECT 2, d, ST_MakePoint(-o,-o) FROM p' +
                    ' UNION ALL ' +
                    'SELECT 3, d, ST_MakePoint(-o,o) FROM p' +
                    ' UNION ALL ' +
                    'SELECT 4, d, ST_MakePoint(o,-o) FROM p' +
                    ' UNION ALL ' +
                    'SELECT 5, d, ST_MakePoint(o,o) FROM p' +
                    ' UNION ALL ' +
                    'SELECT 6, d, ST_MakePoint(-r1,r1) FROM p' +
                    ' UNION ALL ' +
                    'SELECT 7, d, ST_MakePoint(-r1/2,r1) FROM p' +
                    ' UNION ALL ' +
                    'SELECT 8, d, ST_MakePoint(-r1,-r1) FROM p' +
                    ' UNION ALL ' +
                    // this is discarded, being on the right boundary
                    'SELECT 9, d, ST_MakePoint(s1,0) FROM p' +
                    ' UNION ALL ' +
                    // this is discarded, being on the top boundary
                    'SELECT 10, d, ST_MakePoint(0,s1) FROM p' +
                    ' UNION ALL ' +
                    // this is discarded, rounding to the right boundary
                    'SELECT 11, d, ST_MakePoint(s1-r1/2,0) FROM p' +
                    ' UNION ALL ' +
                    // this is discarded, rounding to the top boundary
                    'SELECT 12, d, ST_MakePoint(0,s1-r1/2) FROM p',
                    geom_column: 'ug',
                    cartocss: 'Map { ' +
                    '-torque-frame-count:2; ' +
                    '-torque-resolution:1; ' +
                    '-torque-time-attribute:"d"; ' +
                    '-torque-data-aggregation:linear; ' +
                    '-torque-aggregation-function:"count(i)"; }',
                    cartocss_version: '1.0.1'
                }
            }
        ]
    };

    var tileRequests = [
        {
            desc: '0/0/0',
            repr: [
                ' ------',
                '|      |',
                '|      |',
                ' ------'
            ],
            z: 0,
            x: 0,
            y: 0,
            expects: [
                {
                    x__uint8: 255,
                    y__uint8: 128,
                    vals__uint8: [{
                        v: 2,
                        d: 'i=9 and i=11'
                    }],
                    dates__uint16: [0]
                },
                {
                    x__uint8: 128,
                    y__uint8: 128,
                    vals__uint8: [{
                        v: 8,
                        d: 'i=[1..8]'
                    }],
                    dates__uint16: [0]
                },
                {
                    x__uint8: 128,
                    y__uint8: 255,
                    vals__uint8: [{
                        v: 2,
                        d: 'i=10 and i=12'
                    }],
                    dates__uint16: [0]
                }
            ]
        },
        {
            desc: '1/0/0',
            repr: [
                '*00 |  10',
                '----+----',
                '01  |  11'
            ],
            z: 1,
            x: 0,
            y: 0,
            expects: [
                {
                    x__uint8: 255,
                    y__uint8: 0,
                    vals__uint8: [{ v: 2, d: 'i=6 (-r1,r1) and i=7(-r1/2,r1)' }],
                    dates__uint16: [0]
                },
                {
                    x__uint8: 255,
                    y__uint8: 1,
                    vals__uint8: [{ v: 2, d: 'i=1 and i=3' }],
                    dates__uint16: [0]
                },
                {
                    x__uint8: 255,
                    y__uint8: 255,
                    vals__uint8: [{ v: 2, d: 'i=10 and i=12' }],
                    dates__uint16: [0]
                }
            ]
        },
        {
            desc: '1/1/0',
            repr: [
                '00  | 10*',
                '----+----',
                '01  |  11'
            ],
            z: 1,
            x: 1,
            y: 0,
            expects: [
                {
                    x__uint8: 255,
                    y__uint8: 0,
                    vals__uint8: [{ v: 2, d: 'i=9 and i=11' }],
                    dates__uint16: [0]
                },
                {
                    x__uint8: 0,
                    y__uint8: 0,
                    vals__uint8: [{ v: 2, d: 'i=1 and i=5' }],
                    dates__uint16: [0]
                },
                {
                    x__uint8: 0,
                    y__uint8: 255,
                    vals__uint8: [{ v: 2, d: 'i=10 and i=12' }],
                    dates__uint16: [0]
                }
            ]
        },
        {
            desc: '1/0/1',
            repr: [
                '00  |  10',
                '----+----',
                '*01 |  11'
            ],
            z: 1,
            x: 0,
            y: 1,
            expects: [
                {
                    x__uint8: 255,
                    y__uint8: 255,
                    vals__uint8: [{ v: 3, d: 'i=1, i=2 and i=8' }],
                    dates__uint16: [0]
                }
            ]
        },
        {
            desc: '1/1/1',
            repr: [
                '00  |  10',
                '----+----',
                '01  | 11*'
            ],
            z: 1,
            x: 1,
            y: 1,
            expects: [
                {
                    x__uint8: 255,
                    y__uint8: 255,
                    vals__uint8: [{
                        v: 2,
                        d: 'i=9 and i=11'
                    }],
                    dates__uint16: [0]
                },
                {
                    x__uint8: 0,
                    y__uint8: 255,
                    vals__uint8: [{
                        v: 2,
                        d: 'i=1 and i=4'
                    }],
                    dates__uint16: [0]
                }
            ]
        }
    ];

    tileRequests.forEach(function (tileRequest) {
        // See https://github.com/CartoDB/Windshaft/issues/186
        var desc = 'handles ' + tileRequest.desc + '.json.torque\n\n\t' + tileRequest.repr.join('\n\t') + '\n\n';
        it(desc, function (done) {
            assert.response(server, {
                url: '/api/v1/map',
                method: 'POST',
                headers: { host: 'localhost', 'Content-Type': 'application/json' },
                data: JSON.stringify(boundaryPointsMapConfig)
            }, {}, function (res, err) {
                assert.ok(!err, 'Failed to create layergroup');

                var parsedBody = JSON.parse(res.body);
                var expected_token = parsedBody.layergroupid;
                layergroupIdToDelete = expected_token;

                var partialUrl = tileRequest.z + '/' + tileRequest.x + '/' + tileRequest.y;
                assert.response(server, {
                    url: '/api/v1/map/' + expected_token + '/0/' + partialUrl + '.json.torque',
                    method: 'GET',
                    headers: {
                        host: 'localhost'
                    }
                }, {}, function (res, err) {
                    assert.ok(!err, 'Failed to get json');

                    assert.strictEqual(res.statusCode, 200, res.body);
                    assert.strictEqual(res.headers['content-type'], 'application/json; charset=utf-8');
                    var parsed = JSON.parse(res.body);
                    /* Order the JSON first by descending x__uint8 and ascending
                     * y__uint8 */
                    parsed.sort(function (a, b) {
                        if (a.x__uint8 === b.x__uint8) {
                            return (a.y__uint8 > b.y__uint8);
                        }
                        return (a.x__uint8 < b.x__uint8);
                    });

                    var i = 0;
                    tileRequest.expects.forEach(function (expected) {
                        assert.strictEqual(
                            parsed[i].x__uint8,
                            expected.x__uint8,
                            parsed[i].x__uint8 + ' == ' + expected.x__uint8 +
                                '\nRESULT\n------' +
                                '\n' + JSON.stringify(parsed, null, 4) +
                                '\nEXPECTED\n--------' +
                                '\n' + JSON.stringify(tileRequest.expects, null, 4)
                        );
                        assert.strictEqual(
                            parsed[i].y__uint8,
                            expected.y__uint8,
                            parsed[i].y__uint8 + ' == ' + expected.y__uint8 +
                                '\nRESULT\n------' +
                                '\n' + JSON.stringify(parsed, null, 4) +
                                '\nEXPECTED\n--------' +
                                '\n' + JSON.stringify(tileRequest.expects, null, 4)
                        );

                        var j = 0;
                        expected.vals__uint8.forEach(function (val) {
                            assert.strictEqual(
                                parsed[i].vals__uint8[j],
                                val.v,
                                'desc: ' + val.d +
                                'Number of points got=' + parsed.length + '; ' +
                                'expected=' + tileRequest.expects.length +
                                    '\n\tindex=' + i +
                                    '\n\tvals__uint8 index=' + j +
                                    '\n\tgot=' + parsed[i].vals__uint8[j] +
                                    '\n\texpected=' + val.v +
                                    '\nRESULT\n------' +
                                    '\n' + JSON.stringify(parsed, null, 4) +
                                    '\nEXPECTED\n--------' +
                                    '\n' + JSON.stringify(tileRequest.expects, null, 4));

                            j++;
                        });

                        i++;
                    });

                    assert.strictEqual(
                        parsed.length,
                        tileRequest.expects.length,
                        'Number of points did not match ' +
                            'got=' + parsed.length + '; ' +
                            'expected=' + tileRequest.expects.length +
                            '\nRESULT\n------' +
                            '\n' + JSON.stringify(parsed, null, 4) +
                            '\nEXPECTED\n--------' +
                            '\n' + JSON.stringify(tileRequest.expects, null, 4));

                    done();
                });
            });
        });
    });

    it('regression london point', function (done) {
        var londonPointMapConfig = {
            version: '1.1.0',
            layers: [
                {
                    type: 'torque',
                    options: {
                        sql: 'SELECT ' +
                            '1 as i, ' +
                            "'1970-01-02'::date as d, " +
                            'ST_MakePoint(-11309.9155492599,6715342.44989312) g',
                        geom_column: 'g',
                        cartocss: 'Map { ' +
                        '-torque-frame-count:2; ' +
                        '-torque-resolution:1; ' +
                        '-torque-time-attribute:"d"; ' +
                        '-torque-data-aggregation:linear; ' +
                        '-torque-aggregation-function:"count(i)"; }',
                        cartocss_version: '1.0.1'
                    }
                }
            ]
        };

        assert.response(server, {
            url: '/api/v1/map',
            method: 'POST',
            headers: { host: 'localhost', 'Content-Type': 'application/json' },
            data: JSON.stringify(londonPointMapConfig)
        }, {}, function (res, err) {
            assert.ok(!err, 'Failed to create layergroup');

            var parsedBody = JSON.parse(res.body);
            var layergroupId = parsedBody.layergroupid;
            layergroupIdToDelete = layergroupId;

            assert.response(server, {
                url: '/api/v1/map/' + layergroupId + '/0/2/1/1.json.torque',
                method: 'GET',
                headers: {
                    host: 'localhost'
                }
            }, {}, function (res, err) {
                assert.ok(!err, 'Failed to request torque.json');

                var parsed = JSON.parse(res.body);

                assert.deepStrictEqual(parsed, [{
                    x__uint8: 255,
                    y__uint8: 172,
                    vals__uint8: [1],
                    dates__uint16: [0]
                }]);

                done();
            });
        });
    });

    it('should consider resolution for least value in query', function (done) {
        var londonPointMapConfig = {
            version: '1.1.0',
            layers: [
                {
                    type: 'torque',
                    options: {
                        sql: '' +
                    'SELECT ' +
                        '0 as i, ' +
                        "st_transform('0101000020E6100000FABD3AB4B5031C400581A80ECC2F4940'::geometry, 3857) as g " +
                    'UNION ALL ' +
                    'SELECT ' +
                        '2 as i, ' +
                        "st_transform('0101000020E61000006739E30EAE031C406625C0C3C72F4940'::geometry, 3857) as g " +
                    'UNION ALL ' +
                    'SELECT ' +
                        '3 as i, ' +
                        "st_transform('0101000020E6100000E26DB8A2A7031C40C8BAA5C2C52F4940'::geometry, 3857) as g",
                        geom_column: 'g',
                        cartocss: 'Map { ' +
                        '-torque-frame-count:1; ' +
                        '-torque-animation-duration:30;' +
                        '-torque-time-attribute:"i"; ' +
                        '-torque-aggregation-function:"count(i)"; ' +
                        '-torque-resolution:2; ' +
                        '-torque-data-aggregation: cumulative; }',
                        cartocss_version: '1.0.1'
                    }
                }
            ]
        };

        assert.response(server, {
            url: '/api/v1/map',
            method: 'POST',
            headers: { host: 'localhost', 'Content-Type': 'application/json' },
            data: JSON.stringify(londonPointMapConfig)
        }, {}, function (res, err) {
            assert.ok(!err, 'Failed to create layergroup');

            var parsedBody = JSON.parse(res.body);
            var layergroupId = parsedBody.layergroupid;
            layergroupIdToDelete = layergroupId;

            assert.response(server, {
                url: '/api/v1/map/' + layergroupId + '/0/13/4255/2765.json.torque',
                method: 'GET',
                headers: {
                    host: 'localhost'
                }
            }, {}, function (res, err) {
                assert.ok(!err, 'Failed to request torque.json');

                var parsed = JSON.parse(res.body);

                assert.deepStrictEqual(parsed.sort(function (a, b) { return a.x__uint8 > b.x__uint8; }), [
                    {
                        x__uint8: 47,
                        y__uint8: 127,
                        vals__uint8: [2],
                        dates__uint16: [0]
                    },
                    {
                        x__uint8: 48,
                        y__uint8: 127,
                        vals__uint8: [1],
                        dates__uint16: [0]
                    }
                ]);
                done();
            });
        });
    });
});