from __future__ import annotations

from datetime import timedelta

import pytest
import pytest_asyncio
from fastapi import FastAPI
from httpx import ASGITransport, AsyncClient
from sqlalchemy import JSON
from sqlalchemy.ext.asyncio import async_sessionmaker, create_async_engine

from app.api import auth
from app.core.database import get_db
from app.models import PhoneVerificationCode, Tenant, TenantInvitation, TenantMembership, User
from app.models.base import Base
from app.services.workspace_service import hash_invitation_token
from app.utils.timezone import now_cn_naive


TABLES = [
    Tenant.__table__,
    User.__table__,
    TenantMembership.__table__,
    TenantInvitation.__table__,
    PhoneVerificationCode.__table__,
]


def _use_sqlite_json_types() -> None:
    for table in TABLES:
        for column in table.columns:
            if column.type.__class__.__name__.upper() in {"JSONB", "ARRAY"}:
                column.type = JSON()


@pytest_asyncio.fixture
async def phone_auth_session():
    engine = create_async_engine("sqlite+aiosqlite:///:memory:")
    _use_sqlite_json_types()
    async with engine.begin() as conn:
        await conn.run_sync(lambda sync_conn: Base.metadata.create_all(sync_conn, tables=TABLES))
    maker = async_sessionmaker(engine, expire_on_commit=False)
    async with maker() as session:
        yield session
    await engine.dispose()


def _build_app(session) -> FastAPI:
    app = FastAPI()
    app.include_router(auth.router)

    async def _fake_get_db():
        yield session

    app.dependency_overrides[get_db] = _fake_get_db
    return app


@pytest.mark.asyncio
async def test_phone_code_verify_creates_user_and_personal_workspace(phone_auth_session, monkeypatch) -> None:
    monkeypatch.setenv("PMFLOW_PHONE_OTP_DEV_CODE", "123456")
    app = _build_app(phone_auth_session)
    transport = ASGITransport(app=app)

    async with AsyncClient(transport=transport, base_url="http://test") as client:
        sent = await client.post(
            "/auth/phone/send-code",
            json={"phone_country_code": "+86", "phone_number": "13900001001", "purpose": "login"},
        )
        assert sent.status_code == 200
        assert sent.json()["dev_code"] == "123456"

        verified = await client.post(
            "/auth/phone/verify",
            json={
                "phone_country_code": "+86",
                "phone_number": "13900001001",
                "code": "123456",
                "purpose": "login",
                "name": "手机号用户",
            },
        )
        assert verified.status_code == 200
        body = verified.json()
        assert body["access_token"]
        assert body["user"]["phone_e164"] == "+8613900001001"
        assert body["user"]["workspace_context"]["active_workspace"]["workspace_type"] == "personal"


@pytest.mark.asyncio
async def test_phone_verify_accepts_bound_invitation_and_keeps_personal_workspace(phone_auth_session, monkeypatch) -> None:
    monkeypatch.setenv("PMFLOW_PHONE_OTP_DEV_CODE", "654321")
    session = phone_auth_session
    team = Tenant(name="手机号团队", workspace_type="team", status="active")
    owner = User(
        tenant_id=1,
        username="owner",
        email="owner@example.com",
        password_hash="hashed",
        name="Owner",
        role="OWNER",
        assigned_domains=[],
        workload=0,
        status="active",
        is_active=True,
    )
    session.add_all([team, owner])
    await session.flush()
    team.owner_user_id = int(owner.id)
    owner.tenant_id = int(team.id)
    session.add(TenantMembership(tenant_id=int(team.id), user_id=int(owner.id), role="OWNER", status="active"))
    token = "phone-invite-token"
    session.add(
        TenantInvitation(
            tenant_id=int(team.id),
            email="8613900001002@phone.pmflow.local",
            phone_country_code="+86",
            phone_number="13900001002",
            phone_e164="+8613900001002",
            role="BUILDER",
            project_ids=[],
            token_hash=hash_invitation_token(token),
            status="pending",
            expires_at=now_cn_naive() + timedelta(days=1),
            invited_by_user_id=int(owner.id),
        )
    )
    await session.commit()

    app = _build_app(session)
    transport = ASGITransport(app=app)
    async with AsyncClient(transport=transport, base_url="http://test") as client:
        sent = await client.post(
            "/auth/phone/send-code",
            json={"phone_country_code": "+86", "phone_number": "13900001002", "purpose": "login"},
        )
        assert sent.status_code == 200
        verified = await client.post(
            "/auth/phone/verify",
            json={
                "phone_country_code": "+86",
                "phone_number": "13900001002",
                "code": "654321",
                "purpose": "login",
                "name": "被邀请用户",
                "invite_token": token,
            },
        )
        assert verified.status_code == 200
        context = verified.json()["user"]["workspace_context"]
        assert context["active_workspace"]["id"] == int(team.id)
        workspace_types = [item["workspace_type"] for item in context["workspaces"]]
        assert workspace_types.count("personal") == 1
        assert workspace_types.count("team") == 1