<?php

const MORE = '#menus [aria-label="More"]';

function showcase()
{
    return visit('/material')->waitForEvent('networkidle')
        ->assertScript("document.readyState === 'complete' && typeof window.Alpine !== 'undefined' && typeof window.Livewire !== 'undefined'");
}

function focused(string $expression): string
{
    return "document.activeElement.{$expression}";
}

it('opens a menu on the first item and walks it with the keyboard', function () {
    $page = showcase()
        ->assertNoJavaScriptErrors()
        ->click(MORE)
        ->assertAttribute(MORE, 'aria-expanded', 'true')
        ->assertScript(focused("textContent.trim().startsWith('Copy link')"));

    $page->keys(':focus', ['ArrowDown', 'ArrowDown'])
        ->assertScript(focused("textContent.trim().startsWith('Rename')"));

    $page->keys(':focus', 'End')
        ->assertScript(focused("textContent.trim().startsWith('Delete')"));

    $page->keys(':focus', 'ArrowDown')
        ->assertScript(focused("textContent.trim().startsWith('Copy link')"));

    $page->keys(':focus', 'd')
        ->assertScript(focused("textContent.trim().startsWith('Download')"));

    $page->keys(':focus', 'Escape')
        ->assertAttribute(MORE, 'aria-expanded', 'false')
        ->assertScript(focused("getAttribute('aria-label') === 'More'"));
});

it('opens a menu from the keyboard, on the last item with ArrowUp', function () {
    $page = showcase();

    $page->script("document.querySelector('".MORE."').focus()");

    $page->keys(':focus', 'ArrowUp')
        ->assertAttribute(MORE, 'aria-expanded', 'true')
        ->assertScript(focused("textContent.trim().startsWith('Delete')"));
});

it('opens a menu the moment the page can be used', function () {
    // The guard against a light-dismiss press reopening the menu once measured from the page's
    // time origin, and swallowed every click in the first quarter second.
    visit('/material')
        ->click(MORE)
        ->assertAttribute(MORE, 'aria-expanded', 'true');
});

it('closes a menu when an item is chosen, but not one that keeps it open', function () {
    $page = showcase();

    $page->click(MORE)
        ->click('#menus [role="menuitem"]:has-text("Download")')
        ->assertAttribute(MORE, 'aria-expanded', 'false');

    $page->click('#menus button:has-text("Sort")')
        ->click('#menus [role="menuitemcheckbox"]:has-text("Largest")')
        ->assertScript("document.querySelector('#menus [role=\"menu\"][aria-label=\"Sort\"]').matches(':popover-open')");
});

it('shows a tooltip on keyboard focus and hides it on Escape', function () {
    $tooltip = "document.querySelector('#buttons [aria-label=\"Tonal\"] [popover]')";

    $page = showcase();

    // A key press first, so the browser is in keyboard modality, as a keyboard user would be —
    // Firefox only counts a scripted focus as :focus-visible after one. Then focused directly
    // rather than tabbed to: WebKit, like Safari on macOS, leaves buttons out of the Tab order
    // unless full keyboard access is on.
    $page->keys('body', 'Tab');
    $page->script("document.querySelector('#buttons [aria-label=\"Tonal\"]').focus()");
    $page->assertScript(focused("getAttribute('aria-label') === 'Tonal'"))
        ->assertScript("{$tooltip}.matches(':popover-open')");

    $page->keys(':focus', 'Escape')
        ->assertScript("! {$tooltip}.matches(':popover-open')");
});

it('moves a connected group\'s choice with the arrow keys', function () {
    $checked = fn (string $value): string => "document.querySelector('#buttons input[name=\"showcase-theme\"][value=\"{$value}\"]').checked";

    $page = showcase();

    $page->script("document.querySelector('#buttons input[name=\"showcase-theme\"][value=\"system\"]').focus()");

    $page->keys(':focus', 'ArrowLeft')
        ->assertScript($checked('dark'))
        ->assertScript("getComputedStyle(document.querySelector('#buttons input[value=\"dark\"]').parentElement).borderTopLeftRadius === '9999px'");
});

it('rounds a split button\'s trailing half while its menu is open', function () {
    $trailing = "document.querySelector('[data-split=\"trailing\"]')";

    showcase()
        ->click('[data-split="trailing"] >> nth=0')
        ->assertScript("{$trailing}.getAttribute('aria-expanded') === 'true'")
        ->assertScript("getComputedStyle({$trailing}).borderTopLeftRadius === '9999px'");
});

it('turns the FAB into a close button while its menu is open', function () {
    $fab = "document.querySelector('button[aria-label=\"New\"]')";

    $page = showcase()
        ->click('button[aria-label="New"]')
        ->assertScript("{$fab}.getAttribute('aria-expanded') === 'true'")
        ->assertScript(focused("textContent.trim() === 'Upload files'"));

    $page->keys(':focus', 'Escape')
        ->assertScript("{$fab}.getAttribute('aria-expanded') === 'false'")
        ->assertScript(focused("getAttribute('aria-label') === 'New'"));
});

it('animates the loading indicator in the browser', function () {
    $clock = "document.querySelector('#buttons [role=\"progressbar\"] svg').getCurrentTime()";

    showcase()->assertScript("{$clock} > 0.1");
});