"""视频发布，对应 Go xiaohongshu/publish_video.go。"""

from __future__ import annotations

import logging
import os
import time

from .cdp import Page
from .errors import PublishError, UploadTimeoutError
from .publish import (
    _click_publish_tab,
    _find_content_element,
    _input_tags,
    _navigate_to_publish_page,
    _set_schedule_publish,
    _set_visibility,
    click_publish_button,
    wait_for_publish_button_clickable,
)
from .selectors import (
    FILE_INPUT,
    TITLE_INPUT,
    UPLOAD_INPUT,
)
from .types import PublishVideoContent

logger = logging.getLogger(__name__)


def publish_video_content(page: Page, content: PublishVideoContent) -> None:
    """发布视频内容（填写表单 + 点击发布）。

    Args:
        page: CDP 页面对象。
        content: 视频发布内容。

    Raises:
        PublishError: 发布失败。
        UploadTimeoutError: 上传/处理超时。
    """
    fill_publish_video_form(page, content)
    click_publish_video_button(page)


def fill_publish_video_form(page: Page, content: PublishVideoContent) -> None:
    """填写视频发布表单，不点击发布按钮。

    Args:
        page: CDP 页面对象。
        content: 视频发布内容。

    Raises:
        PublishError: 填写失败。
        UploadTimeoutError: 上传/处理超时。
    """
    if not content.video_path:
        raise PublishError("视频不能为空")

    # 导航到发布页
    _navigate_to_publish_page(page)

    # 点击"上传视频" TAB
    _click_publish_tab(page, "上传视频")
    time.sleep(1)

    # 上传视频
    _upload_video(page, content.video_path)

    # 填写表单（不点击发布）
    _fill_publish_video_form(
        page,
        content.title,
        content.content,
        content.tags,
        content.schedule_time,
        content.visibility,
    )


def click_publish_video_button(page: Page) -> None:
    """点击视频发布按钮。"""
    click_publish_button(page, max_wait=600.0)


def _upload_video(page: Page, video_path: str) -> None:
    """上传视频文件。"""
    if not os.path.exists(video_path):
        raise PublishError(f"视频文件不存在: {video_path}")

    # 查找上传输入框
    selector = UPLOAD_INPUT if page.has_element(UPLOAD_INPUT) else FILE_INPUT
    page.set_file_input(selector, [video_path])

    # 等待发布按钮可点击（视频处理完成）
    wait_for_publish_button_clickable(page, max_wait=600.0)
    logger.info("视频上传/处理完成")


def _fill_publish_video_form(
    page: Page,
    title: str,
    content: str,
    tags: list[str],
    schedule_time: str | None,
    visibility: str,
) -> None:
    """填写视频表单（不点击发布）。"""
    # 标题
    page.input_text(TITLE_INPUT, title)
    time.sleep(1)

    # 正文 + 标签
    content_selector = _find_content_element(page)
    page.input_content_editable(content_selector, content)

    # 回点标题
    time.sleep(1)
    page.click_element(TITLE_INPUT)

    if tags:
        _input_tags(page, content_selector, tags)
    time.sleep(1)

    # 定时发布
    if schedule_time:
        _set_schedule_publish(page, schedule_time)

    # 可见范围
    _set_visibility(page, visibility)

    logger.info("视频表单填写完成，等待确认发布")