from playwright.sync_api import sync_playwright

class BrowserController:
    def __init__(self):
        self.playwright = sync_playwright().start()
        self.browser = self.playwright.chromium.launch(headless=True)
        self.page = self.browser.new_page()

    def navigate(self, url):
        self.page.goto(url)
        return self.get_state()

    def click(self, selector):
        self.page.click(selector)
        return self.get_state()

    def type_text(self, selector, text):
        self.page.fill(selector, text)
        return self.get_state()

    def scroll(self, pixels):
        self.page.evaluate(f'window.scrollBy(0, {pixels})')
        return self.get_state()

    def get_state(self):
        return {
            "screenshot": self.page.screenshot().hex(),
            "html": self.page.content()
        }

    def close(self):
        self.browser.close()
        self.playwright.stop()