from pathlib import Path

import pytest

from review_agent.models import Conversation, Message


pytestmark = pytest.mark.django_db


def _browser_path() -> str | None:
    candidates = [
        Path(r"C:\Program Files\Google\Chrome\Application\chrome.exe"),
        Path(r"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"),
    ]
    for candidate in candidates:
        if candidate.exists():
            return str(candidate)
    return None


def test_file_summary_panel_desktop_and_mobile_with_playwright(live_server, django_user_model):
    playwright_api = pytest.importorskip("playwright.sync_api")
    executable_path = _browser_path()
    if not executable_path:
        pytest.skip("No Chrome or Edge executable available for Playwright E2E.")

    user = django_user_model.objects.create_user(username="e2e_user", password="e2e-pass-123")
    conversation = Conversation.objects.create(user=user, title="E2E 会话")
    Message.objects.create(
        conversation=conversation,
        role=Message.Role.ASSISTANT,
        content=(
            "文件目录与页数汇总已完成。\n\n"
            "| 序号 | 文件名 | 页数 | 状态 |\n"
            "| --- | --- | --- | --- |\n"
            "| 1 | a.pdf | 4 | success |\n\n"
            "[下载 Markdown 报告](/api/review-agent/file-summary/exports/1/download/)"
        ),
    )

    with playwright_api.sync_playwright() as p:
        browser = p.chromium.launch(headless=True, executable_path=executable_path)
        page = browser.new_page(viewport={"width": 1440, "height": 900})
        page.goto(f"{live_server.url}/login/")
        page.fill('input[name="username"]', "e2e_user")
        page.fill('input[name="password"]', "e2e-pass-123")
        page.click('button[type="submit"]')
        page.wait_for_url(f"{live_server.url}/")

        playwright_api.expect(page.locator("#summaryPanel")).to_be_visible()
        playwright_api.expect(page.locator("#uploadDropzone")).to_be_visible()
        playwright_api.expect(page.locator("#workflowCardList")).to_be_visible()
        playwright_api.expect(page.locator(".message.assistant table")).to_be_visible()
        playwright_api.expect(page.locator('.message.assistant a[href="/api/review-agent/file-summary/exports/1/download/"]')).to_be_visible()

        page.set_viewport_size({"width": 390, "height": 844})
        playwright_api.expect(page.locator("#summaryPanel")).to_be_visible()
        playwright_api.expect(page.locator("#sidebar")).not_to_be_in_viewport()
        browser.close()