"""Real Chromium DOM + real ASGI backend, bridged in-process (no network deployment test).

Requires playwright. Browser cookie/CSRF behavior is covered separately in test_api.py.
The bridge uses TestClient's cookie jar and supplies the configured same-origin header.
"""
import os
from pathlib import Path
import secrets
import sys
import tempfile

ROOT = Path(__file__).resolve().parents[1]
sys.path.insert(0, str(ROOT / "backend" / "src"))
from fastapi.testclient import TestClient
from playwright.sync_api import sync_playwright
from apc.api import Settings, create_app


def main():
    with tempfile.TemporaryDirectory() as directory:
        token = secrets.token_urlsafe(32)
        app = create_app(Settings(token, str(Path(directory) / "smoke.db")))
        with TestClient(app) as client, sync_playwright() as pw:
            browser = pw.chromium.launch(executable_path=os.environ.get("CHROMIUM_PATH") or None,
                                         args=["--no-sandbox"])
            page = browser.new_page(viewport={"width": 1280, "height": 900})
            errors = []
            page.on("pageerror", lambda error: errors.append(str(error)))
            def request(path, options):
                response = client.request(options.get("method", "GET"), path,
                    content=options.get("body"), headers={"Content-Type": "application/json",
                                                        "Origin": "http://localhost:8000"})
                return {"status": response.status_code, "body": response.text}
            page.expose_function("asgiRequest", request)
            html = client.get("/").text.replace('<script defer src="/static/app.js"></script>', "")
            html = html.replace('<link rel="stylesheet" href="/static/style.css">', "")
            page.set_content(html)
            page.add_style_tag(content=client.get("/static/style.css").text)
            page.evaluate("""() => { window.fetch = async (path, options = {}) => {
                const response = await window.asgiRequest(path, options);
                return new Response(response.body, {status: response.status,
                    headers: {'Content-Type': 'application/json'}});
            }; }""")
            page.add_script_tag(content=client.get("/static/app.js").text)
            page.get_by_label("Administration token").fill(token)
            page.get_by_role("button", name="Sign in", exact=True).click()
            page.locator("#dashboard").wait_for(state="visible")
            for name in ("Example A", "Example B"):
                page.get_by_label("Display name", exact=True).fill(name)
                page.get_by_role("button", name="Add child", exact=True).click()
                page.get_by_role("heading", name=name, exact=True).wait_for()
            page.locator("#policy [name=daily_minutes]").fill("40")
            page.get_by_role("button", name="Save shared policy").click()
            page.get_by_text("Shared policy saved.", exact=False).wait_for()
            assert page.locator(".child").count() == 2
            first = page.locator(".child").first
            first.get_by_text("Individual exceptions", exact=True).click()
            first.locator("[name=daily_minutes]").fill("45")
            first.get_by_role("button", name="Save exceptions").click()
            page.get_by_text("Exceptions saved.", exact=False).wait_for()
            first = page.locator(".child").first
            assert "45 daily minutes" in first.inner_text()
            first.get_by_role("button", name="Pair phone").click()
            page.locator("#code-dialog").wait_for(state="visible")
            code = page.locator("#issued-code").inner_text()
            paired = client.post("/v1/pair", json={"code": code, "name": "Smoke test"}).json()
            headers = {"Authorization": f"Bearer {paired['token']}"}
            challenge = client.post("/v1/device/challenges", headers=headers).json()
            answers = []
            for q in challenge["questions"]:
                a, op, b = q["prompt"].split()
                answers.append({"question_id": q["id"], "answer": int(a) + int(b) if op == "+" else int(a) - int(b)})
            result = client.post(f"/v1/device/challenges/{challenge['id']}/submit",
                                 headers=headers, json={"answers": answers})
            assert result.json()["awarded_minutes"] == 10
            page.get_by_role("button", name="Close", exact=True).click()
            page.get_by_role("button", name="Refresh status").click()
            page.get_by_text("45 daily minutes + 10 earned today", exact=False).wait_for()
            if os.environ.get("APC_SCREENSHOT"):
                page.screenshot(path=os.environ["APC_SCREENSHOT"], full_page=True)
            page.get_by_role("button", name="Sign out").click()
            page.locator("#login-panel").wait_for(state="visible")
            assert not errors, errors
            browser.close()
            print("Browser/ASGI smoke passed: login, two children, policy, override, pairing, reward, logout")


if __name__ == "__main__":
    main()