"""
页面导航服务实现
实现页面导航、iframe 操作等具体逻辑
"""

import re
import time
from playwright.sync_api import TimeoutError as PlaywrightTimeoutError
from interfaces.i_page_navigator import IPageNavigator
from config.ui_constants import UIConstants


class PageNavigator(IPageNavigator):
    """页面导航实现"""

    def __init__(self, config: UIConstants, verbose: bool = True):
        """
        初始化页面导航器

        Args:
            config: UI 配置
            verbose: 是否打印详细日志
        """
        self.config = config
        self.verbose = verbose

    def _print(self, *args, **kwargs):
        """打印日志（如果 verbose=True）"""
        if self.verbose:
            print(*args, **kwargs)

    def navigate_to_main_page(self, page) -> tuple:
        """
        导航到主页面 iframe

        实际返回 (page, main_frame, inner_frame) 的元组
        """
        # 点击打开"功能菜单"
        main_frame = page.locator(self.config.selectors.FORWARD_FRAME).content_frame
        main_frame.locator("i").first.click()

        # 点击打开"离散生产订单维护"
        with page.expect_popup() as page1_info:
            main_frame.get_by_title("离散生产订单维护", exact=True).first.click()
        page1 = page1_info.value

        # 获取 nested iframe
        main_frame = page1.locator(self.config.selectors.FORWARD_FRAME).content_frame
        inner_frame_locator = main_frame.locator(self.config.selectors.MAIN_IFRAME)
        inner_frame_locator.wait_for(
            state="visible", timeout=self.config.timeouts.IFRAME_VISIBLE
        )
        inner_frame = inner_frame_locator.content_frame

        return page1, main_frame, inner_frame

    def navigate_to_order_page(self, main_frame, page):
        """导航到订单页面"""
        # 这个方法在当前实现中与 navigate_to_main_page 类似
        # 返回新的页面对象和内部 iframe
        return self.navigate_to_main_page(page)

    def navigate_to_material_plan_page(self, page):
        """
        导航到备料计划页面

        Args:
            page: 订单页面对象 (page1)

        Returns:
            (page2, inner_frame) - 新页面和内部 iframe
        """
        # 获取主 iframe
        main_frame = page.locator(self.config.selectors.FORWARD_FRAME).content_frame
        inner_frame = main_frame.locator(self.config.selectors.MAIN_IFRAME).content_frame

        # 点击"更多"
        inner_frame.locator(self.config.selectors.HOT_KEY_HEAD).get_by_text(
            self.config.selectors.MORE_BUTTON
        ).click()

        # 点击"备料计划"并等待新页面
        with page.expect_popup() as page2_info:
            inner_frame.get_by_text(self.config.selectors.MATERIAL_PLAN).click()
        page2 = page2_info.value

        # 获取 nested iframe
        main_frame = page2.locator(self.config.selectors.FORWARD_FRAME).content_frame
        inner_frame_locator = main_frame.locator(self.config.selectors.MAIN_IFRAME)
        inner_frame_locator.wait_for(
            state="visible", timeout=self.config.timeouts.IFRAME_VISIBLE
        )
        inner_frame = inner_frame_locator.content_frame

        # 等待备料计划页面加载完成
        self._wait_for_plan_page_loaded(inner_frame)

        return page2, inner_frame

    def setup_query_interface(self, frame):
        """设置查询界面"""
        # 点击图标按钮打开查询界面
        frame.locator(self.config.selectors.SEARCH_ICON).click()
        frame.get_by_text(self.config.selectors.QUERY_BY_ORDER).click()
        frame.get_by_role("tab", name=self.config.selectors.TAB_ALL).click()

        # 填充并验证显示数量，如果失败则重试
        max_retries = self.config.retry.DISPLAY_COUNT_MAX_RETRIES
        expected_value = self.config.retry.EXPECTED_DISPLAY_COUNT

        for attempt in range(max_retries):
            frame.locator(self.config.selectors.DISPLAY_COUNT_INPUT).fill(expected_value)
            frame.locator(self.config.selectors.DISPLAY_COUNT_INPUT).press("Enter")
            # 检查填充是否成功
            actual_value = frame.locator(self.config.selectors.DISPLAY_COUNT_INPUT).input_value()
            if actual_value == expected_value:
                self._print(f"文本框填充成功: {expected_value}")
                break
            else:
                self._print(
                    f"第 {attempt + 1} 次填充失败，实际值: {actual_value}，重试..."
                )
                if attempt == max_retries - 1:
                    self._print(
                        f"警告: {max_retries} 次尝试后仍未成功填充，继续执行..."
                    )

    def wait_for_page_loaded(self, frame):
        """等待页面加载完成"""
        loading_locator = frame.locator("div").filter(has_text="加载中").nth(1)
        try:
            loading_locator.wait_for(
                state="visible", timeout=self.config.timeouts.LOADING_VISIBLE_WAIT
            )
            loading_locator.wait_for(
                state="hidden", timeout=self.config.timeouts.LOADING_HIDDEN_WAIT
            )
        except PlaywrightTimeoutError:
            # 加载很快完成，或者没有出现加载提示
            pass
        return True

    def _wait_for_plan_page_loaded(self, inner_frame):
        """等待备料计划页面加载完成（内部方法）"""
        self._print("等待备料计划页面加载完成...")
        plan_code_locator = inner_frame.get_by_text(
            re.compile(r"^离散备料计划维护：")
        )
        plan_code_locator.wait_for(
            state="visible", timeout=self.config.timeouts.PLAN_CODE_VISIBLE
        )

        # 循环检查编码是否已加载
        max_wait = self.config.timeouts.PLAN_CODE_MAX_WAIT
        wait_interval = self.config.timeouts.PLAN_CHECK_INTERVAL
        waited = 0
        plan_code = None

        while waited < max_wait:
            plan_text = plan_code_locator.inner_text()
            match = re.search(r"离散备料计划维护：(.+)", plan_text)
            if match and match.group(1).strip():
                plan_code = match.group(1).strip()
                break
            time.sleep(wait_interval)
            waited += wait_interval

        if plan_code:
            self._print(f"备料计划页面加载完成，编码: {plan_code}")
        else:
            self._print(f"警告: 备料计划页面加载超时")