"""代销平台 API v0.1（customers/products/advisors/staff/compliance）。"""

from __future__ import annotations

import json
from datetime import datetime, timedelta

import pytest
from fastapi.testclient import TestClient
from sqlalchemy import text

from _ddl import create_sqlite_engine, seed_suitability_matrix

from app.config.settings import settings
from app.main import app
from app.repository.risk_repository import RiskRepository
from app.service.risk import redis_gateway


class FakeGateway:
    def publish(self, channel, payload):
        pass

    def delete(self, *keys):
        pass


CUST_A = {"X-Debug-Role": "customer", "X-Debug-Actor": "CUST-1001"}
CUST_B = {"X-Debug-Role": "customer", "X-Debug-Actor": "CUST-1002"}
ADVISOR = {"X-Debug-Role": "advisor", "X-Debug-Actor": "STAFF-10086"}
ANALYST = {"X-Debug-Role": "analyst", "X-Debug-Actor": "STAFF-20001"}
OTHER_ADV = {"X-Debug-Role": "advisor", "X-Debug-Actor": "STAFF-99999"}


def _seed_core(engine) -> None:
    future = (datetime.now() + timedelta(days=180)).isoformat(sep=" ")
    with engine.begin() as conn:
        conn.execute(
            text(
                "INSERT INTO core_customer (customer_id, display_name, age, is_active) "
                "VALUES ('CUST-1001','CustomerA',35,1), ('CUST-1002','CustomerB',40,1)"
            )
        )
        conn.execute(
            text(
                "INSERT INTO core_customer_risk (customer_id, risk_code, expires_at, investor_category) "
                "VALUES ('CUST-1001','C2',:exp,'ordinary'), ('CUST-1002','C3',:exp,'ordinary')"
            ),
            {"exp": future},
        )
        conn.execute(
            text(
                "INSERT INTO core_customer_advisor (advisor_id, customer_id, rel_status) "
                "VALUES ('STAFF-10086','CUST-1001','active')"
            )
        )
        conn.execute(
            text(
                "INSERT INTO core_product (product_id, product_name, min_risk_code, is_open) "
                "VALUES ('PROD-001','稳健债基','R2',1), ('PROD-CLOSED','已下架','R1',0)"
            )
        )
        conn.execute(
            text(
                "INSERT INTO core_holding (customer_id, product_id, market_value, quantity) "
                "VALUES ('CUST-1001','PROD-001',100000,1000)"
            )
        )
        conn.execute(
            text(
                "INSERT INTO core_trade (trade_id, customer_id, product_id, trade_type, amount, "
                "trade_status, traded_at) VALUES ('TRD-P-001','CUST-1001','PROD-001','subscribe',"
                "5000,'confirmed',datetime('now','localtime'))"
            )
        )
        conn.execute(
            text(
                "INSERT INTO core_product_nav (product_id, nav_date, nav, daily_chg_pct) "
                "VALUES ('PROD-001', date('now'), 1.25, 0.01)"
            )
        )
        conn.execute(
            text(
                "INSERT INTO core_staff (staff_id, display_name, staff_type, roles, is_active) "
                "VALUES ('STAFF-10086','王理财','advisor',:roles,1), "
                "('STAFF-20001','分析员','analyst',:aroles,1)"
            ),
            {"roles": json.dumps(["advisor"]), "aroles": json.dumps(["analyst"])},
        )


@pytest.fixture()
def client(monkeypatch):
    engine = create_sqlite_engine()
    seed_suitability_matrix(engine)
    _seed_core(engine)
    repo = RiskRepository(engine=engine)

    monkeypatch.setattr("app.utils.db.get_engine", lambda name=None: engine)
    monkeypatch.setattr("app.repository.core_ro.get_engine", lambda name=None: engine)

    from app.api import advisors as advisors_api
    from app.api import compliance as compliance_api
    from app.api import customers as customers_api
    from app.api import deps as deps_mod
    from app.api import staff as staff_api

    monkeypatch.setattr(deps_mod, "RiskRepository", lambda: repo)
    monkeypatch.setattr(customers_api, "_risk_repo", lambda: repo)
    monkeypatch.setattr(advisors_api, "_risk_repo", lambda: repo)
    monkeypatch.setattr(staff_api, "_risk_repo", lambda: repo)
    monkeypatch.setattr(compliance_api, "_risk_repo", lambda: repo)

    with TestClient(app) as c:
        monkeypatch.setattr(redis_gateway, "_gateway", FakeGateway())
        yield c
    engine.dispose()


def test_get_customer_owner_ok(client):
    r = client.get("/api/customers/CUST-1001", headers=CUST_A)
    assert r.status_code == 200
    body = r.json()
    assert body["code"] == 0
    assert body["data"]["customer_id"] == "CUST-1001"
    assert body["data"]["display_name"] == "CustomerA"


def test_get_customer_other_forbidden(client):
    r = client.get("/api/customers/CUST-1002", headers=CUST_A)
    assert r.status_code == 403
    assert r.json()["error_code"] == "AUTH_403_NOT_OWNER"


def test_get_customer_analyst_ok(client):
    r = client.get("/api/customers/CUST-1002", headers=ANALYST)
    assert r.status_code == 200


def test_get_customer_not_found(client):
    r = client.get("/api/customers/CUST-404", headers=ANALYST)
    assert r.status_code == 404


def test_list_holdings(client):
    r = client.get("/api/customers/CUST-1001/holdings", headers=CUST_A)
    assert r.status_code == 200
    items = r.json()["data"]["items"]
    assert len(items) == 1
    assert items[0]["product_id"] == "PROD-001"


def test_list_trades(client):
    r = client.get("/api/customers/CUST-1001/trades", headers=CUST_A)
    assert r.status_code == 200
    assert r.json()["data"]["total"] >= 1


def test_list_customer_products(client):
    r = client.get("/api/customers/CUST-1001/products", headers=CUST_A)
    assert r.status_code == 200
    assert r.json()["data"]["total"] >= 1


def test_advisor_roster_self(client):
    r = client.get("/api/advisors/STAFF-10086/customers", headers=ADVISOR)
    assert r.status_code == 200
    items = r.json()["data"]["items"]
    assert len(items) == 1
    assert items[0]["customer_id"] == "CUST-1001"


def test_advisor_roster_other_forbidden(client):
    r = client.get("/api/advisors/STAFF-10086/customers", headers=OTHER_ADV)
    assert r.status_code == 403


def test_list_products_excludes_closed(client):
    r = client.get("/api/products", headers=ANALYST)
    assert r.status_code == 200
    ids = [i["product_id"] for i in r.json()["data"]["items"]]
    assert "PROD-001" in ids
    assert "PROD-CLOSED" not in ids


def test_get_product_and_nav(client):
    r = client.get("/api/products/PROD-001", headers=CUST_A)
    assert r.status_code == 200
    assert r.json()["data"]["product_name"] == "稳健债基"
    r2 = client.get("/api/products/PROD-001/nav", headers=CUST_A)
    assert r2.status_code == 200
    assert r2.json()["data"]["nav"] == 1.25


def test_staff_me(client):
    r = client.get("/api/staff/me", headers=ADVISOR)
    assert r.status_code == 200
    assert r.json()["data"]["staff_id"] == "STAFF-10086"
    assert "advisor" in r.json()["data"]["roles"]


def test_staff_me_customer_forbidden(client):
    r = client.get("/api/staff/me", headers=CUST_A)
    assert r.status_code == 403


def test_compliance_suitability_check(client):
    r = client.post(
        "/api/compliance/suitability-check",
        headers=CUST_A,
        json={"customer_id": "CUST-1001", "product_id": "PROD-001"},
    )
    assert r.status_code == 200
    data = r.json()["data"]
    assert data["is_matched"] is True
    assert data["blocked"] is False


def test_platform_no_agent_type_header(client):
    """平台 JWT/debug 通道不要求 X-Agent-Type。"""
    r = client.get("/api/customers/CUST-1001", headers=CUST_A)
    assert r.status_code == 200
    assert "X-Agent-Type" not in CUST_A


def test_desensitize_switch_off_by_default(client, monkeypatch):
    monkeypatch.setattr(settings, "platform_response_desensitize", False)
    r = client.get("/api/customers/CUST-1001", headers=CUST_A)
    assert r.json()["data"]["display_name"] == "CustomerA"


def test_desensitize_switch_on(client, monkeypatch):
    monkeypatch.setattr(settings, "platform_response_desensitize", True)
    r = client.get("/api/customers/CUST-1001", headers=CUST_A)
    assert r.json()["data"]["display_name"] == "C**"