import contextlib
import random
import string
import sys
from time import time_ns, sleep
import signal

from playwright.sync_api import Playwright, sync_playwright, expect

from helpers.helper_functions import log_note, get_random_text, login_nextcloud, close_modal, timeout_handler

DOMAIN = 'https://ncs'
#DOMAIN = 'http://localhost:8080'
SLEEP_TIME = 1

def run(playwright: Playwright, browser_name: str, headless=False) -> None:
    log_note(f"Launch browser {browser_name}")
    if browser_name == "firefox":
        browser = playwright.firefox.launch(headless=headless)
    else:
        # this leverages new headless mode by Chromium: https://developer.chrome.com/articles/new-headless/
        # The mode is however ~40% slower: https://github.com/microsoft/playwright/issues/21216
        browser = playwright.chromium.launch(headless=headless,args=["--headless=new"])
    context = browser.new_context(ignore_https_errors=True)
    page = context.new_page()

    try:
        page.goto(f"{DOMAIN}/login")
        log_note("Login")
        login_nextcloud(page, domain=DOMAIN)

        log_note("Wait for welcome popup")
        close_modal(page)

        log_note("Go to calendar")
        page.get_by_role("link", name="Calendar").click()

        #CREATE
        log_note("Create event")
        event_name = "Event " + ''.join(random.choices(string.ascii_letters, k=5))
        page.get_by_role("button", name="New event").click()
        page.get_by_placeholder("Event title").fill(event_name)
        page.get_by_role("button", name="Save").click()
        log_note("Event created")

        expect(page.get_by_text(event_name, exact=True)).to_be_visible()
        event_title_locator = page.locator(f'a.fc-event div.fc-event-title', has_text=event_name)
        expect(event_title_locator).to_have_count(1)

        sleep(SLEEP_TIME)

        # EDIT
        log_note("Modify event")
        page.get_by_text(event_name, exact=True).click()


        popover_locator = page.locator('div.event-popover[aria-hidden="false"]')
        expect(popover_locator).to_be_visible()

        edit_button = popover_locator.locator('button:has-text("Edit")')
        edit_button.click()

        title_input = popover_locator.locator('input[placeholder="Event title"]')
        expect(title_input).to_be_visible()
        expect(title_input).to_be_enabled()
        new_event_name = event_name + ''.join(random.choices(string.ascii_letters, k=5))
        title_input.fill(new_event_name)

        update_button = popover_locator.locator('button:has-text("Update")')
        update_button.click()

        updated_event_title_locator = page.locator(f'a.fc-event div.fc-event-title', has_text=new_event_name)
        expect(updated_event_title_locator).to_have_text(new_event_name)
        expect(updated_event_title_locator).to_have_count(1)

        sleep(SLEEP_TIME)

        # DELETE
        log_note("Delete the event")

        actions_button = popover_locator.locator('button[aria-label="Actions"]')
        expect(actions_button).to_be_visible()
        actions_button.click()

        actions_button_id = actions_button.get_attribute('id')
        menu_id = actions_button_id.replace('trigger-', '')
        menu_selector = f'ul#{menu_id}[role="menu"]'
        menu_locator = page.locator(menu_selector)
        expect(menu_locator).to_be_visible()


        delete_button = menu_locator.locator('button.action-button:has-text("Delete")')
        expect(delete_button).to_be_visible()
        delete_button.click()

        expect(updated_event_title_locator).to_have_count(0)
        sleep(SLEEP_TIME)

        page.close()
        log_note("Close browser")

    except Exception as e:
        if hasattr(e, 'message'): # only Playwright error class has this member
            log_note(f"Exception occurred: {e.message}")

        # set a timeout. Since the call to page.content() is blocking we need to defer it to the OS
        signal.signal(signal.SIGALRM, timeout_handler)
        signal.alarm(20)
        #log_note(f"Page content was: {page.content()}")
        signal.alarm(0) # remove timeout signal

        raise e

    # ---------------------
    context.close()
    browser.close()


if __name__ == "__main__":
    if len(sys.argv) > 1:
        browser_name = sys.argv[1].lower()
        if browser_name not in ["chromium", "firefox"]:
            print("Invalid browser name. Please choose either 'chromium' or 'firefox'.")
            sys.exit(1)
    else:
        browser_name = "firefox"

    with sync_playwright() as playwright:
        run(playwright, browser_name)