/* globals casper, setPiskelFromGrid, piskelFrameEqualsGrid, isDrawerExpanded, getValue, isChecked, evalLine */

casper.test.begin('Test resize feature works, and check the output', 20, function(test) {
  test.timeout = test.fail.bind(test, ['Test timed out']);

  function onTestStart() {
    test.assertExists('#drawing-canvas-container canvas', 'Piskel ready, test starting');

    // Setup test Piskel
    setPiskelFromGrid('[[B, T],' +
                      ' [T, B]]');

    test.assert(!isDrawerExpanded(), 'settings drawer is closed');
    test.assertDoesntExist('.settings-section-resize', 'Check if resize settings drawer is closed');

    // Open resize panel.
    this.click('[data-setting="resize"]');
    this.waitForSelector('.settings-section-resize', onResizePanelReady, test.timeout, 10000);
  }

  function onResizePanelReady() {
    test.assert(isDrawerExpanded(), 'settings drawer is expanded');
    test.assertExists('.settings-section-resize', 'Check if resize panel is opened');

    testResizePiskel();
  }

  function testResizePiskel() {
    test.assertExists('[name="resize-width"]', 'Check if width input is available');
    test.assertExists('[name="resize-height"]', 'Check if height input is available');

    test.assertEquals(getValue('[name="resize-width"]'), "2", 'Resize width is 2px');
    test.assertEquals(getValue('[name="resize-height"]'), "2", 'Resize height is 2px');

    // Check that the resize ratio checkbox is available and checked.
    test.assertExists('.resize-ratio-checkbox', 'Check if resize ratio checkbox is available');
    test.assert(isChecked('.resize-ratio-checkbox'), 'Keep ratio checkbox is checked');

    // Update width/height
    casper.sendKeys('[name="resize-width"]', casper.page.event.key.Backspace);
    casper.sendKeys('[name="resize-width"]', "4");
    test.assertEquals(getValue('[name="resize-width"]'), "4", 'Resize width is 4px');
    test.assertEquals(getValue('[name="resize-height"]'), "4", 'Resize height is 4px');

    test.assertExists('.resize-content-checkbox', 'Check if resize ratio checkbox is available');
    test.assert(!isChecked('.resize-content-checkbox'), 'Keep content checkbox is unchecked');

    // Check that the default origin selected is top left.
    var selectedOrigin = evalLine('document.querySelector(".anchor-option.selected").getAttribute("data-origin")');
    test.assertEquals(selectedOrigin, 'TOPLEFT');

    // Change the origin to bottom right.
    casper.click('[data-origin="BOTTOMRIGHT"]');
    casper.waitForSelector('[data-origin="BOTTOMRIGHT"].selected', onBottomRightOriginSelected, test.timeout, 10000);
  }

  function onBottomRightOriginSelected() {
    casper.click('.resize-button');
    // Resizing the piskel should close the panel automatically
    casper.waitForSelector('[data-pskl-controller="settings"]:not(.expanded)', onDrawerClosed, test.timeout, 10000);
  }

  function onDrawerClosed() {
    test.assert(!isDrawerExpanded(), 'settings drawer is closed');

    test.assertEquals(evalLine('pskl.app.piskelController.getPiskel().getWidth()'), 4, 'Piskel width is now 4 pixels');
    test.assertEquals(evalLine('pskl.app.piskelController.getPiskel().getHeight()'), 4, 'Piskel height is now 4 pixels');

    test.assert(piskelFrameEqualsGrid('[\
      [T, T, T, T],                     \
      [T, T, T, T],                     \
      [T, T, B, T],                     \
      [T, T, T, B],                     \
    ]', 0, 0), 'Resized piskel content is as expected');
  }

  startTest(test, onTestStart);
});