from selenium.webdriver.common.by import By
from .base_page import BasePage

class LoginPage(BasePage):
    """
    Page Object for the Login page.
    """

    # --- Locators ---
    _EMAIL_INPUT = (By.ID, "email")
    _PASSWORD_INPUT = (By.ID, "password")
    _SIGN_IN_BUTTON = (By.XPATH, "//button[@type='submit']")
    _ERROR_MESSAGE = (By.XPATH, "//p[contains(@class, 'text-red-500')]")
    _LOGIN_FORM = (By.XPATH, "//form")

    def __init__(self, driver):
        """Initializes the LoginPage with the WebDriver."""
        super().__init__(driver)
        self.page_path = "/login"

    # --- Page Actions ---

    def open(self, base_url: str):
        """Navigates to the login page."""
        super().open(base_url, self.page_path)

    def enter_email(self, email: str):
        """Enters the email into the email input field."""
        self.send_keys(self._EMAIL_INPUT, email)

    def enter_password(self, password: str):
        """Enters the password into the password input field."""
        self.send_keys(self._PASSWORD_INPUT, password)

    def click_sign_in(self):
        """Clicks the 'Sign in' button."""
        self.click(self._SIGN_IN_BUTTON)

    def login(self, email: str, password: str):
        """Performs a full login action."""
        self.enter_email(email)
        self.enter_password(password)
        self.click_sign_in()

    def get_error_message(self) -> str:
        """
        Waits for the error message to be visible and returns its text.
        Returns an empty string if the message is not found.
        """
        try:
            return self.find_visible_element(self._ERROR_MESSAGE).text
        except:
            return ""

    def is_login_form_visible(self) -> bool:
        """Checks if the login form is visible on the page."""
        try:
            self.find_visible_element(self._LOGIN_FORM)
            return True
        except:
            return False