package com.vaadin.tests.components.grid;

import static org.junit.Assert.assertEquals;

import java.util.List;

import org.junit.Test;
import org.openqa.selenium.By;
import org.openqa.selenium.WebElement;

import com.vaadin.testbench.elements.GridElement;
import com.vaadin.testbench.parallel.TestCategory;
import com.vaadin.tests.tb3.SingleBrowserTest;

@TestCategory("grid")
public class GridInitiallyHiddenColumnsTest extends SingleBrowserTest {

    @Test
    public void ensureCorrectlyRendered() {
        openTestURL("debug");
        GridElement grid = $(GridElement.class).first();
        assertEquals("Rowling", grid.getCell(0, 0).getText());
        assertEquals("Barks", grid.getCell(1, 0).getText());

        getSidebarOpenButton(grid).click();
        getColumnHidingToggle(grid, "First Name").click();
        getColumnHidingToggle(grid, "Age").click();
        getSidebarOpenButton(grid).click();

        assertEquals("Umberto", grid.getCell(0, 0).getText());
        assertEquals("Rowling", grid.getCell(0, 1).getText());
        assertEquals("40", grid.getCell(0, 2).getText());
        assertEquals("Alex", grid.getCell(1, 0).getText());
        assertEquals("Barks", grid.getCell(1, 1).getText());
        assertEquals("25", grid.getCell(1, 2).getText());

    }

    @Test
    public void ensureCorrectlyRenderedAllInitiallyHidden() {
        openTestURL("debug&allHidden");
        waitUntilLoadingIndicatorNotVisible();
        GridElement grid = $(GridElement.class).first();

        getSidebarOpenButton(grid).click();
        getColumnHidingToggle(grid, "First Name").click();
        getColumnHidingToggle(grid, "Last Name").click();
        getColumnHidingToggle(grid, "Age").click();
        getSidebarOpenButton(grid).click();

        assertEquals("Umberto", grid.getCell(0, 0).getText());
        assertEquals("Rowling", grid.getCell(0, 1).getText());
        assertEquals("40", grid.getCell(0, 2).getText());
        assertEquals("Alex", grid.getCell(1, 0).getText());
        assertEquals("Barks", grid.getCell(1, 1).getText());
        assertEquals("25", grid.getCell(1, 2).getText());

    }

    // TODO: as to the getX methods reuse ones from GridBasicFeaturesTest?

    protected WebElement getSidebarOpenButton(GridElement grid) {
        List<WebElement> elements = grid
                .findElements(By.className("v-grid-sidebar-button"));
        return elements.isEmpty() ? null : elements.get(0);
    }

    /**
     * Returns the toggle inside the sidebar for hiding the column at the given
     * index, or null if not found.
     */
    protected WebElement getColumnHidingToggle(GridElement grid,
            String caption) {
        WebElement sidebar = getSidebar(grid);
        List<WebElement> elements = sidebar
                .findElements(By.className("column-hiding-toggle"));
        for (WebElement e : elements) {
            if (caption.equalsIgnoreCase(e.getText())) {
                return e;
            }
        }
        return null;
    }

    protected WebElement getSidebar(GridElement grid) {
        List<WebElement> elements = findElements(
                By.className("v-grid-sidebar-popup"));
        return elements.isEmpty() ? null : elements.get(0);
    }

}