"""t100: new-world seed editing, random button and generation, in both looks."""
import pathlib, sys
sys.path.insert(0, str(pathlib.Path(__file__).resolve().parent.parent / 'tools'))
from use_venv import ensure_playwright; ensure_playwright()
from browser import launch, consume_gpu_option
consume_gpu_option()
root = pathlib.Path(__file__).resolve().parent.parent
out = root / 'shots'; out.mkdir(exist_ok=True)
fails = []
def check(name, ok):
    print(('PASS ' if ok else 'FAIL ') + name)
    if not ok: fails.append(name)

with launch(viewport={'width': 1280, 'height': 800}) as (_, pg, url):
    errors = []
    pg.on('pageerror', lambda e: errors.append(str(e)))
    pg.goto(url)
    pg.wait_for_function("!$('title').hidden && CAPS.ready")
    pg.click('#btn-new')
    seed = pg.locator('#nw-seed')
    seed.fill('12'); seed.press('Home'); pg.keyboard.type('a!')
    check('typed letters and symbols are ignored', seed.input_value() == '12')
    pg.keyboard.type('3')
    check('ignoring characters preserves the insertion point', seed.input_value() == '312')
    # Real clipboard paste exercises maxlength before the input event.
    pg.context.grant_permissions(['clipboard-read', 'clipboard-write'])
    def paste(text):
        seed.focus(); seed.press('ControlOrMeta+a')
        pg.evaluate('text => navigator.clipboard.writeText(text)', text)
        seed.press('ControlOrMeta+v')
    paste('ab12 cd34!56 ef78')
    check('paste keeps all digits even beyond ten source characters', seed.input_value() == '12345678')
    paste('4294967296')
    check('4294967296 clamps to max', seed.input_value() == '4294967295')
    paste('99999999999')
    check('eleven digits clamp to max', seed.input_value() == '4294967295')
    check('maxlength fits ten digits', seed.get_attribute('maxlength') == '10')
    check('clamp hint is shown by the box', pg.locator('#nw-seed-hint').count() == 1 and pg.is_visible('#nw-seed-hint'))
    for look in ['pixel', 'smooth']:
        pg.evaluate('look => SET.look = look', look)
        pg.screenshot(path=str(out / f't100-{look}.png'))
    # A drop with text transfer data uses the same editing path.
    seed.fill('')
    seed.evaluate("""e => {
      const data = new DataTransfer(); data.setData('text/plain', 'ab4294967296!');
      e.dispatchEvent(new DragEvent('drop', {bubbles:true, cancelable:true, dataTransfer:data}));
    }""")
    check('dropped text is filtered and clamped', seed.input_value() == '4294967295')
    # Also exercise browser drag delivery rather than only a dispatched event.
    pg.evaluate("""() => {
      const source = document.createElement('div'); source.id = 'seed-drag';
      source.textContent = 'Drag seed'; source.draggable = true;
      source.style = 'position:fixed;z-index:99999;top:0;left:0;padding:20px;background:white';
      source.ondragstart = e => e.dataTransfer.setData('text/plain', 'seed: 1234!');
      document.body.append(source);
    }""")
    seed.fill(''); pg.locator('#seed-drag').drag_to(seed)
    check('real text drag keeps only digits', seed.input_value() == '1234')
    pg.locator('#seed-drag').evaluate('e => e.remove()')
    seed.fill('0')
    check('zero stays zero', seed.input_value() == '0')
    # Record Generate's arguments without generating several large worlds.
    pg.evaluate("""() => {
      window.__start = startNewWorld;
      startNewWorld = (...args) => { window.__generated = args; };
      window.__random = Math.random; Math.random = () => 0.5;
    }""")
    seed.press('Enter')
    check('Enter generates seed zero', pg.evaluate('__generated[0] === 0'))
    seed.fill('4294967295'); pg.click('#btn-generate')
    check('maximum seed generates without wrapping', pg.evaluate('__generated[0] === 4294967295'))
    seed.evaluate("e => e.value = '99999999999'"); pg.click('#btn-generate')
    check('Generate applies the same clamp even without an input event', pg.evaluate('__generated[0] === 4294967295'))
    seed.fill(''); pg.click('#btn-generate')
    check('empty generates a random six-digit seed', pg.evaluate('__generated[0] === 550000'))
    dice = pg.get_by_role('button', name='Random seed', exact=True)
    check('dice is a labeled button with tooltip', dice.count() == 1 and dice.get_attribute('title') == 'Random seed')
    if dice.count():
        seed.fill('42'); dice.focus(); pg.keyboard.press('Enter')
        check('keyboard dice uses the same random rule', seed.input_value() == '550000')
        check('dice updates the automatic name', pg.evaluate("$('nw-name').value === claimName(550000, [])"))
        pg.fill('#nw-name', 'My camp'); pg.evaluate('Math.random = () => 0.25'); dice.click()
        check('dice changes seed and preserves a typed name', seed.input_value() == '325000' and pg.input_value('#nw-name') == 'My camp')
        check('valid input clears clamp hint', not pg.is_visible('#nw-seed-hint'))
    # Exercise the real UI-to-worldgen boundary once, including zero's stored seed.
    pg.evaluate('() => { startNewWorld = __start; Math.random = __random; SET.look = "pixel"; }')
    seed.fill('0'); pg.select_option('#nw-size', '2048x1024'); seed.press('Enter')
    pg.wait_for_function('GAME.running', timeout=60000)
    check('real generated world retains seed zero', pg.evaluate('worldSeed === 0'))
    check('no page errors', not errors)
print('FAILS:', fails)
sys.exit(bool(fails))