var assert = (
    global && global.chai
    ? global.chai.assert
    : require('chai').assert
  )
  , SVGPathData = (
    global && global.SVGPathData
    ? global.SVGPathData
    : require(__dirname + '/../src/SVGPathData.js')
  )
;

describe("Parsing smooth quadratic curve to commands", function() {

  beforeEach(function() {
  });

  afterEach(function() {
  });

  it("should fail with a with single coordinate", function() {
    assert.throw(function() {
      new SVGPathData('T100');
    }, SyntaxError, 'Unterminated command at the path end.');
  });

  it("should fail with a single complexer coordinate", function() {
    assert.throw(function() {
      new SVGPathData('t-10e-5');
    }, SyntaxError, 'Unterminated command at the path end.');
  });

  it("should work with comma separated coordinates", function() {
    var commands = new SVGPathData('T100,100').commands;
    assert.equal(commands[0].type, SVGPathData.SMOOTH_QUAD_TO);
    assert.equal(commands[0].relative, false);
    assert.equal(commands[0].x, '100');
    assert.equal(commands[0].y, '100');
  });

  it("should work with space separated coordinates", function() {
    var commands = new SVGPathData('t100 \t   100').commands;
    assert.equal(commands[0].type, SVGPathData.SMOOTH_QUAD_TO);
    assert.equal(commands[0].relative, true);
    assert.equal(commands[0].x, '100');
    assert.equal(commands[0].y, '100');
  });

  it("should work with complexer coordinates", function() {
    var commands = new SVGPathData('t-10e-5 -10e-5').commands;
    assert.equal(commands[0].type, SVGPathData.SMOOTH_QUAD_TO);
    assert.equal(commands[0].relative, true);
    assert.equal(commands[0].x, '-10e-5');
    assert.equal(commands[0].y, '-10e-5');
  });

  it("should work with even more complexer coordinates", function() {
    var commands = new SVGPathData('T-10.0032e-5 -10.0032e-5').commands;
    assert.equal(commands[0].type, SVGPathData.SMOOTH_QUAD_TO);
    assert.equal(commands[0].relative, false);
    assert.equal(commands[0].x, '-10.0032e-5');
    assert.equal(commands[0].y, '-10.0032e-5');
  });

  it("should work with comma separated coordinate pairs", function() {
    var commands = new SVGPathData('T123,456 7890,9876').commands;
    assert.equal(commands[0].type, SVGPathData.SMOOTH_QUAD_TO);
    assert.equal(commands[0].relative, false);
    assert.equal(commands[0].x, '123');
    assert.equal(commands[0].y, '456');
    assert.equal(commands[1].type, SVGPathData.SMOOTH_QUAD_TO);
    assert.equal(commands[1].relative, false);
    assert.equal(commands[1].x, '7890');
    assert.equal(commands[1].y, '9876');
  });

  it("should work with space separated coordinate pairs", function() {
    var commands = new SVGPathData('t123  \t 456  \n 7890  \r 9876').commands;
    assert.equal(commands[0].type, SVGPathData.SMOOTH_QUAD_TO);
    assert.equal(commands[0].relative, true);
    assert.equal(commands[0].x, '123');
    assert.equal(commands[0].y, '456');
    assert.equal(commands[1].type, SVGPathData.SMOOTH_QUAD_TO);
    assert.equal(commands[1].relative, true);
    assert.equal(commands[1].x, '7890');
    assert.equal(commands[1].y, '9876');
  });

  it("should work with nested separated coordinates", function() {
    var commands = new SVGPathData('T123 ,  456  \t,\n7890 \r\n 9876').commands;
    assert.equal(commands[0].type, SVGPathData.SMOOTH_QUAD_TO);
    assert.equal(commands[0].relative, false);
    assert.equal(commands[0].x, '123');
    assert.equal(commands[0].y, '456');
    assert.equal(commands[1].type, SVGPathData.SMOOTH_QUAD_TO);
    assert.equal(commands[1].relative, false);
    assert.equal(commands[1].x, '7890');
    assert.equal(commands[1].y, '9876');
  });

  it("should work with multiple command declarations", function() {
    var commands = new SVGPathData('T123 ,  456  \t,\n7890 \r\n\
      9876t123 ,  456  \t,\n7890 \r\n 9876').commands;
    assert.equal(commands[0].type, SVGPathData.SMOOTH_QUAD_TO);
    assert.equal(commands[0].relative, false);
    assert.equal(commands[0].x, '123');
    assert.equal(commands[0].y, '456');
    assert.equal(commands[1].type, SVGPathData.SMOOTH_QUAD_TO);
    assert.equal(commands[1].relative, false);
    assert.equal(commands[1].x, '7890');
    assert.equal(commands[1].y, '9876');
    assert.equal(commands[2].type, SVGPathData.SMOOTH_QUAD_TO);
    assert.equal(commands[2].relative, true);
    assert.equal(commands[2].x, '123');
    assert.equal(commands[2].y, '456');
    assert.equal(commands[3].type, SVGPathData.SMOOTH_QUAD_TO);
    assert.equal(commands[3].relative, true);
    assert.equal(commands[3].x, '7890');
    assert.equal(commands[3].y, '9876');
  });

});

describe("Encoding smooth quadratic bezier curve to commands", function() {

  it("should work with one command", function() {
      assert.equal(
        new SVGPathData('T-50.0032e-5 -60.0032e-5').encode(),
        'T-0.000500032 -0.000600032'
      );
  });

  it("should work with several commands", function() {
      assert.equal(
        new SVGPathData('T-50.0032e-5 -60.0032e-5t-50.0032e-5 -60.0032e-5T-50.0032e-5 -60.0032e-5 -50.0032e-5 -60.0032e-5').encode(),
        'T-0.000500032 -0.000600032t-0.000500032 -0.000600032T-0.000500032 -0.000600032T-0.000500032 -0.000600032'
      );
  });

});