goog.provide('ol.test.render.canvas.Immediate');

describe('ol.render.canvas.Immediate', function() {

  function getMockContext() {
    return {
      setLineDash: sinon.spy(),
      beginPath: sinon.spy(),
      closePath: sinon.spy(),
      stroke: sinon.spy(),
      lineTo: sinon.spy(),
      moveTo: sinon.spy()
    };
  }

  describe('constructor', function() {
    it('creates an instance', function() {
      var instance = new ol.render.canvas.Immediate();
      expect(instance).to.be.a(ol.render.canvas.Immediate);
      expect(instance).to.be.a(ol.render.VectorContext);
    });
  });

  describe('#setStyle()', function() {
    it('calls the more specific methods with style parts', function() {
      var context = new ol.render.canvas.Immediate();
      sinon.spy(context, 'setFillStrokeStyle');
      sinon.spy(context, 'setImageStyle');
      sinon.spy(context, 'setTextStyle');
      var fill = new ol.style.Fill({});
      var stroke = new ol.style.Stroke({});
      var text = new ol.style.Text({});
      var image = new ol.style.Circle({});
      var style = new ol.style.Style({
        fill: fill,
        stroke: stroke,
        image: image,
        text: text
      });

      context.setStyle(style);
      expect(context.setFillStrokeStyle.calledOnce).to.be(true);
      expect(context.setFillStrokeStyle.firstCall.calledWithExactly(fill, stroke)).to.be(true);
      expect(context.setImageStyle.calledOnce).to.be(true);
      expect(context.setImageStyle.firstCall.calledWithExactly(image)).to.be(true);
      expect(context.setTextStyle.calledOnce).to.be(true);
      expect(context.setTextStyle.firstCall.calledWithExactly(text)).to.be(true);
    });
  });

  describe('#drawGeometry()', function() {

    var extent = [-10, -10, 10, 10];

    it('calls drawPoint() with a Point', function() {
      var context = new ol.render.canvas.Immediate(getMockContext(), 1, extent);
      sinon.spy(context, 'drawPoint');

      var geometry = new ol.geom.Point([1, 2]);
      context.drawGeometry(geometry);
      expect(context.drawPoint.calledOnce).to.be(true);
      expect(context.drawPoint.firstCall.calledWithExactly(geometry)).to.be(true);
    });

    it('calls drawLineString() with a LineString', function() {
      var context = new ol.render.canvas.Immediate(getMockContext(), 1, extent);
      sinon.spy(context, 'drawLineString');

      var geometry = new ol.geom.LineString([[1, 2], [3, 4]]);
      context.drawGeometry(geometry);
      expect(context.drawLineString.calledOnce).to.be(true);
      expect(context.drawLineString.firstCall.calledWithExactly(geometry)).to.be(true);
    });

    it('calls drawPolygon() with a Polygon', function() {
      var context = new ol.render.canvas.Immediate(getMockContext(), 1, extent);
      sinon.spy(context, 'drawPolygon');

      var geometry = new ol.geom.Polygon([[[1, 2], [3, 4], [5, 6], [1, 2]]]);
      context.drawGeometry(geometry);
      expect(context.drawPolygon.calledOnce).to.be(true);
      expect(context.drawPolygon.firstCall.calledWithExactly(geometry)).to.be(true);
    });

    it('calls drawMultiPoint() with a MultiPoint', function() {
      var context = new ol.render.canvas.Immediate(getMockContext(), 1, extent);
      sinon.spy(context, 'drawMultiPoint');

      var geometry = new ol.geom.MultiPoint([[1, 2], [3, 4]]);
      context.drawGeometry(geometry);
      expect(context.drawMultiPoint.calledOnce).to.be(true);
      expect(context.drawMultiPoint.firstCall.calledWithExactly(geometry)).to.be(true);
    });

    it('calls drawMultiLineString() with a MultiLineString', function() {
      var context = new ol.render.canvas.Immediate(getMockContext(), 1, extent);
      sinon.spy(context, 'drawMultiLineString');

      var geometry = new ol.geom.MultiLineString([[[1, 2], [3, 4]]]);
      context.drawGeometry(geometry);
      expect(context.drawMultiLineString.calledOnce).to.be(true);
      expect(context.drawMultiLineString.firstCall.calledWithExactly(geometry)).to.be(true);
    });

    it('calls drawMultiPolygon() with a MultiPolygon', function() {
      var context = new ol.render.canvas.Immediate(getMockContext(), 1, extent);
      sinon.spy(context, 'drawMultiPolygon');

      var geometry = new ol.geom.MultiPolygon([[[[1, 2], [3, 4], [5, 6], [1, 2]]]]);
      context.drawGeometry(geometry);
      expect(context.drawMultiPolygon.calledOnce).to.be(true);
      expect(context.drawMultiPolygon.firstCall.calledWithExactly(geometry)).to.be(true);
    });

    it('calls drawGeometryCollection() with a GeometryCollection', function() {
      var context = new ol.render.canvas.Immediate(getMockContext(), 1, extent);
      sinon.spy(context, 'drawGeometryCollection');
      sinon.spy(context, 'drawPoint');
      sinon.spy(context, 'drawLineString');
      sinon.spy(context, 'drawPolygon');

      var point = new ol.geom.Point([1, 2]);
      var linestring = new ol.geom.LineString([[1, 2], [3, 4]]);
      var polygon = new ol.geom.Polygon([[[1, 2], [3, 4], [5, 6], [1, 2]]]);

      var geometry = new ol.geom.GeometryCollection([point, linestring, polygon]);
      context.drawGeometry(geometry);

      expect(context.drawGeometryCollection.calledOnce).to.be(true);
      expect(context.drawPoint.calledOnce).to.be(true);
      expect(context.drawPoint.firstCall.calledWithExactly(point)).to.be(true);
      expect(context.drawLineString.calledOnce).to.be(true);
      expect(context.drawLineString.firstCall.calledWithExactly(linestring)).to.be(true);
      expect(context.drawPolygon.calledOnce).to.be(true);
      expect(context.drawPolygon.firstCall.calledWithExactly(polygon)).to.be(true);
    });

    it('calls drawCircle() with a Circle', function() {
      var context = new ol.render.canvas.Immediate(getMockContext(), 1, extent);
      sinon.spy(context, 'drawCircle');

      var geometry = new ol.geom.Circle([0, 0]);
      context.drawGeometry(geometry);

      expect(context.drawCircle.calledOnce).to.be(true);
      expect(context.drawCircle.firstCall.calledWithExactly(geometry)).to.be(true);
    });

  });

  describe('#drawMultiPolygon', function() {
    it('creates the correct canvas instructions for 3D geometries', function() {
      var log = {
        lineTo: [],
        moveTo: []
      };
      // FIXME move the canvas/context mocks outside of here for reuse
      var context = {
        setLineDash: function() {},
        beginPath: function() {},
        closePath: function() {},
        stroke: function() {},
        lineTo: function(x, y) {
          log.lineTo.push([x, y]);
        },
        moveTo: function(x, y) {
          log.moveTo.push([x, y]);
        }
      };
      var transform = [0.0004088332670837288, 0, 0, 0, 0,
        -0.0004088332670837288, 0, 0, 0, 0, 1, 0, 4480.991370439071,
        1529.5752568707105, 0, 1];
      var extent = [-10960437.252092224, 2762924.0275091752,
        -7572748.158493212, 3741317.9895594316];
      var canvas = new ol.render.canvas.Immediate(context, 1, extent,
          transform);
      canvas.strokeState_ = {
        lineCap: 'round',
        lineDash: [],
        lineJoin: 'round',
        lineWidth: 3,
        miterLimit: 10,
        strokeStyle: '#00FFFF'
      };
      var multiPolygonGeometry = new ol.geom.MultiPolygon([
        [[[-80.736061, 28.788576000000006, 0],
           [-80.763557, 28.821799999999996, 0],
           [-80.817406, 28.895123999999996, 0],
           [-80.891304, 29.013130000000004, 0],
           [-80.916512, 29.071560000000005, 0],
           [-80.899323, 29.061249000000004, 0],
           [-80.862663, 28.991361999999995, 0],
           [-80.736061, 28.788576000000006, 0]]], [[
          [-82.102127, 26.585724, 0],
          [-82.067139, 26.497208, 0],
          [-82.097641, 26.493585999999993, 0],
          [-82.135895, 26.642279000000002, 0],
          [-82.183495, 26.683082999999996, 0],
          [-82.128838, 26.693342, 0],
          [-82.102127, 26.585724, 0]]]
      ]).transform('EPSG:4326', 'EPSG:3857');
      canvas.drawMultiPolygon(multiPolygonGeometry, null);
      expect(log.lineTo.length).to.be(15);
      expect(log.lineTo[0][0]).to.roughlyEqual(805.3521540835154, 1e-9);
      expect(log.lineTo[0][1]).to.roughlyEqual(158.76358389011807, 1e-9);
      expect(log.lineTo[1][0]).to.roughlyEqual(802.9014262612932, 1e-9);
      expect(log.lineTo[1][1]).to.roughlyEqual(154.95335187132082, 1e-9);
      expect(log.lineTo[2][0]).to.roughlyEqual(799.5382461724039, 1e-9);
      expect(log.lineTo[2][1]).to.roughlyEqual(148.815592819916, 1e-9);
      expect(log.lineTo[3][0]).to.roughlyEqual(798.3910020835165, 1e-9);
      expect(log.lineTo[3][1]).to.roughlyEqual(145.77392230456553, 1e-9);
      expect(log.lineTo[4][0]).to.roughlyEqual(799.1732925724045, 1e-9);
      expect(log.lineTo[4][1]).to.roughlyEqual(146.31080369865776, 1e-9);
      expect(log.lineTo[5][0]).to.roughlyEqual(800.8417299057378, 1e-9);
      expect(log.lineTo[5][1]).to.roughlyEqual(149.94832216046188, 1e-9);
      expect(log.lineTo[6][0]).to.roughlyEqual(806.6035275946265, 1e-9);
      expect(log.lineTo[6][1]).to.roughlyEqual(160.48916296287916, 1e-9);
      expect(log.lineTo[7][0]).to.roughlyEqual(806.6035275946265, 1e-9);
      expect(log.lineTo[7][1]).to.roughlyEqual(160.48916296287916, 1e-9);
      expect(log.lineTo[8][0]).to.roughlyEqual(746.0246888390716, 1e-9);
      expect(log.lineTo[8][1]).to.roughlyEqual(278.22094795365365, 1e-9);
      expect(log.lineTo[9][0]).to.roughlyEqual(744.6365089279602, 1e-9);
      expect(log.lineTo[9][1]).to.roughlyEqual(278.40513424671826, 1e-9);
      expect(log.lineTo[10][0]).to.roughlyEqual(742.8955268835157, 1e-9);
      expect(log.lineTo[10][1]).to.roughlyEqual(270.83899948444764, 1e-9);
      expect(log.lineTo[11][0]).to.roughlyEqual(740.7291979946272, 1e-9);
      expect(log.lineTo[11][1]).to.roughlyEqual(268.76099731369345, 1e-9);
      expect(log.lineTo[12][0]).to.roughlyEqual(743.2166987946266, 1e-9);
      expect(log.lineTo[12][1]).to.roughlyEqual(268.23842607400616, 1e-9);
      expect(log.lineTo[13][0]).to.roughlyEqual(744.4323460835158, 1e-9);
      expect(log.lineTo[13][1]).to.roughlyEqual(273.7179168205373, 1e-9);
      expect(log.lineTo[14][0]).to.roughlyEqual(744.4323460835158, 1e-9);
      expect(log.lineTo[14][1]).to.roughlyEqual(273.7179168205373, 1e-9);
      expect(log.moveTo.length).to.be(2);
      expect(log.moveTo[0][0]).to.roughlyEqual(806.6035275946265, 1e-9);
      expect(log.moveTo[0][1]).to.roughlyEqual(160.48916296287916, 1e-9);
      expect(log.moveTo[1][0]).to.roughlyEqual(744.4323460835158, 1e-9);
      expect(log.moveTo[1][1]).to.roughlyEqual(273.7179168205373, 1e-9);
    });
  });
});

goog.require('ol.geom.Circle');
goog.require('ol.geom.GeometryCollection');
goog.require('ol.geom.LineString');
goog.require('ol.geom.MultiLineString');
goog.require('ol.geom.MultiPoint');
goog.require('ol.geom.MultiPolygon');
goog.require('ol.geom.Point');
goog.require('ol.geom.Polygon');
goog.require('ol.render.VectorContext');
goog.require('ol.render.canvas.Immediate');
goog.require('ol.style.Circle');
goog.require('ol.style.Fill');
goog.require('ol.style.Stroke');
goog.require('ol.style.Style');
goog.require('ol.style.Text');