from __future__ import annotations

from pathlib import Path

import httpx
import pytest

from app.main import create_app

ROOT = Path(__file__).resolve().parents[3]
PORTAL = ROOT / "app" / "static" / "portal"


@pytest.mark.asyncio
async def test_portal_root_redirects_to_public_home() -> None:
    transport = httpx.ASGITransport(app=create_app())
    async with httpx.AsyncClient(
        transport=transport, base_url="http://test", follow_redirects=False
    ) as client:
        response = await client.get("/")
    assert response.status_code in {302, 307}
    assert response.headers["location"] == "/portal/guest/home/"


@pytest.mark.asyncio
@pytest.mark.parametrize(
    "path",
    [
        "/portal/guest/home/",
        "/portal/guest/products/",
        "/portal/guest/product-detail/?code=510300",
        "/portal/customer/login/",
        "/portal/customer/dashboard/",
        "/portal/customer/holdings/",
        "/portal/customer/profit-loss/",
        "/portal/customer/orders/",
        "/portal/customer/transactions/",
        "/portal/customer/cash-ledger/",
        "/portal/customer/risk-questionnaire/",
        "/portal/employee-console/login/",
        "/portal/employee-console/workspace/",
        "/portal/employee-risk/dashboard/",
    ],
)
async def test_public_portal_pages_are_served(path: str) -> None:
    transport = httpx.ASGITransport(app=create_app())
    async with httpx.AsyncClient(transport=transport, base_url="http://test") as client:
        response = await client.get(path)
    assert response.status_code == 200
    assert 'lang="zh-CN"' in response.text
    assert '<meta charset="UTF-8">' in response.text


def test_every_portal_page_has_local_js_and_css_entry() -> None:
    pages = list(PORTAL.glob("*/*/index.html"))
    assert pages
    for page in pages:
        page_name = page.parent.name
        assert (page.parent / f"{page_name}.js").is_file(), page
        assert (page.parent / f"{page_name}.css").is_file(), page


def test_business_pages_do_not_call_fetch_directly() -> None:
    direct_fetch_files = [
        path.relative_to(PORTAL).as_posix()
        for path in PORTAL.rglob("*.js")
        if "fetch(" in path.read_text(encoding="utf-8")
    ]
    assert direct_fetch_files == ["common/api-client.js"]


def test_api_client_registers_all_trading_endpoint_ids() -> None:
    source = (PORTAL / "common" / "api-client.js").read_text(encoding="utf-8")
    for endpoint_id in ("T001", "T002", "T003", "T004", "T005", "T006", "T007", "T008", "T009"):
        assert f"{endpoint_id}:" in source


def test_api_client_registers_onboarding_risk_and_admin_endpoints() -> None:
    source = (PORTAL / "common" / "api-client.js").read_text(encoding="utf-8")
    for endpoint_id in (
        "ONB001", "ONB002", "RK001", "RK002", "RK003", "RK004", "RK005",
        "RK006", "RK007", "RK008", "RK009", "RK010", "RK011", "RK012",
        "RK013", "RK014", "RK015", "A002", "A003", "A004", "A005", "A006",
        "A012", "A033", "A035", "A036", "A037", "A038", "A039", "A040",
    ):
        assert f"{endpoint_id}:" in source


def test_customer_questionnaire_uses_server_contract() -> None:
    source = (PORTAL / "customer" / "risk-questionnaire" / "risk-questionnaire.js").read_text(
        encoding="utf-8"
    )
    assert "ONB001" in source
    assert "ONB002" in source
    assert "declaration_accepted: true" in source
    assert "total_score" not in source


def test_questionnaire_is_customer_only_and_auth_context_matches_token() -> None:
    auth = (PORTAL / "common" / "auth.js").read_text(encoding="utf-8")
    login = (PORTAL / "common" / "login-controller.js").read_text(encoding="utf-8")
    questionnaire = (
        PORTAL / "customer" / "risk-questionnaire" / "risk-questionnaire.js"
    ).read_text(encoding="utf-8")
    assert "export function requireCustomerOnly()" in auth
    assert "IDENTITY_COOKIE = 'portal_auth_user'" in auth
    assert "readCookie(IDENTITY_COOKIE) === String(context.userId)" in auth
    assert "requireCustomerOnly()" in questionnaire
    assert "? ['customer']" in login


def test_portal_auth_supports_cross_tab_logout_and_account_switching() -> None:
    auth = (PORTAL / "common" / "auth.js").read_text(encoding="utf-8")
    shell = (PORTAL / "common" / "layout" / "app-shell.js").read_text(
        encoding="utf-8"
    )
    login = (PORTAL / "common" / "login-controller.js").read_text(
        encoding="utf-8"
    )
    assert "new BroadcastChannel(AUTH_CHANNEL_NAME)" in auth
    assert "CONTEXT_COOKIE = 'portal_auth_context'" in auth
    assert "readSessionContext() || readSharedContext()" in auth
    assert "signed-in" in auth
    assert "signed-out" in auth
    assert "account-switched" in auth
    assert "postMessage({ type })" in auth
    assert "type === 'signed-in'" in auth
    assert "hasMatchingIdentity(readCookie('auth_token'), context)" in auth
    broadcast_line = next(line for line in auth.splitlines() if "postMessage" in line)
    assert "access_token" not in broadcast_line
    assert "data-switch-account" in shell
    assert "data-logout" in shell
    assert "切换账号" in shell
    assert "退出登录" in shell
    assert "REASON_MESSAGES" in login


def test_risk_workspace_covers_documented_modules() -> None:
    html = (PORTAL / "employee-risk" / "dashboard" / "index.html").read_text(encoding="utf-8")
    source = (PORTAL / "employee-risk" / "dashboard" / "dashboard.js").read_text(encoding="utf-8")
    permissions = (PORTAL / "common" / "permission-codes.js").read_text(encoding="utf-8")
    for label in ("预警队列", "证据查询", "通知记录", "风控助手", "风险日报"):
        assert label in html
    combined = html + source + permissions
    for permission in (
        "risk:alert:read",
        "risk:alert:write",
        "risk:alert:scan",
        "risk:report:mail",
    ):
        assert permission in combined


def test_admin_workspace_is_not_an_identity_placeholder() -> None:
    html = (PORTAL / "employee-console" / "workspace" / "index.html").read_text(encoding="utf-8")
    assert "只展示服务端确认的身份边界" not in html
    for label in ("角色与权限", "配置与模型", "审计记录", "转人工工单", "画像候选"):
        assert label in html


def test_frontend_has_no_remote_scripts_or_token_local_storage() -> None:
    sources = "\n".join(
        path.read_text(encoding="utf-8")
        for path in PORTAL.rglob("*")
        if path.is_file() and path.suffix in {".html", ".js", ".css"}
    )
    assert '<script src="http' not in sources
    assert "localStorage.setItem('token'" not in sources
    assert "console.log" not in sources


def test_shared_state_view_has_distinct_authentication_and_permission_states() -> None:
    source = (PORTAL / "common" / "state-view.js").read_text(encoding="utf-8")
    assert "ERR_CODES.AUTHENTICATION_REQUIRED" in source
    assert "ERR_CODES.AGENT_PERMISSION_DENIED" in source
    assert "登录状态已失效" in source
    assert "当前账户暂不可访问" in source


def test_protected_api_unauthorized_response_clears_shared_session() -> None:
    source = (PORTAL / "common" / "api-client.js").read_text(encoding="utf-8")
    assert "clearAuthSession, getAccessToken" in source
    assert "response.status === 401 && endpoint.auth !== false" in source


def test_public_home_uses_a_local_hero_image() -> None:
    home = (PORTAL / "guest" / "home" / "index.html").read_text(encoding="utf-8")
    image = PORTAL / "guest" / "home" / "assets" / "wealth_architecture_hero.jpg"
    assert "/static/portal/guest/home/assets/wealth_architecture_hero.jpg" in home
    assert image.is_file()
    assert image.stat().st_size > 100_000