"""SLICE-3 storefront creation — service + endpoint scenario tests (SD-0001 §6.5 PUC-4/7)."""
import re
from contextlib import contextmanager

import psycopg
import pytest
from fastapi.testclient import TestClient

from app.main import create_app
from app.domains import storefronts
from app.platform import db


@pytest.fixture()
def migrated_conn(fresh_db_url):
    with psycopg.connect(fresh_db_url) as conn:
        db.migrate(conn)
        yield conn


def _account_id(conn, email="merchant@example.com"):
    return conn.execute(
        "INSERT INTO account (email) VALUES (%s) RETURNING id", (email,)
    ).fetchone()[0]


def test_create_storefront_with_name(migrated_conn):
    acct = _account_id(migrated_conn)
    sf = storefronts.create_storefront(migrated_conn, acct, "merchant@example.com", "Ben's Bets")
    assert sf.name == "Ben's Bets"
    assert storefronts.storefront_for(migrated_conn, acct) == sf


def test_14_01_0026_blank_name_gets_generated_default(migrated_conn):
    acct = _account_id(migrated_conn)
    sf = storefronts.create_storefront(migrated_conn, acct, "merchant@example.com", None)
    assert sf.name == "merchant's storefront"


def test_whitespace_name_treated_as_blank(migrated_conn):
    acct = _account_id(migrated_conn)
    sf = storefronts.create_storefront(migrated_conn, acct, "ben@bensbets.com", "   ")
    assert sf.name == "ben's storefront"


def test_second_create_refused_inv_4(migrated_conn):
    acct = _account_id(migrated_conn)
    storefronts.create_storefront(migrated_conn, acct, "merchant@example.com", "First")
    with pytest.raises(storefronts.AlreadyOwnsStorefront):
        storefronts.create_storefront(migrated_conn, acct, "merchant@example.com", "Second")


def test_membership_row_is_owner(migrated_conn):
    acct = _account_id(migrated_conn)
    sf = storefronts.create_storefront(migrated_conn, acct, "merchant@example.com", None)
    role = migrated_conn.execute(
        "SELECT role FROM storefront_membership WHERE account_id = %s AND storefront_id = %s",
        (acct, sf.id),
    ).fetchone()[0]
    assert role == "owner"


def test_storefront_for_none_when_absent(migrated_conn):
    acct = _account_id(migrated_conn)
    assert storefronts.storefront_for(migrated_conn, acct) is None


# ── endpoint scenario tests (§6.4 POST /api/storefronts; corpus 14.01.*) ──────────


@contextmanager
def _signed_in_client(fresh_db_url, email="merchant@example.com"):
    with TestClient(create_app(database_url=fresh_db_url)) as client:
        client.post("/api/auth/request-code", json={"email": email})
        code = re.search(r"\b(\d{6})\b", client.app.state.mailer.outbox[-1].body).group(1)
        client.post("/api/auth/verify", json={"email": email, "code": code})
        yield client


def test_14_01_0013_create_storefront_with_name(fresh_db_url):
    with _signed_in_client(fresh_db_url) as client:
        resp = client.post("/api/storefronts", json={"name": "Ben's Bets"})
    assert resp.status_code == 201
    assert resp.json()["name"] == "Ben's Bets"
    assert isinstance(resp.json()["id"], int)


def test_14_01_0015_0016_nothing_but_a_name_is_asked(fresh_db_url):
    # No payment method, plan, or commitment: the request body needs nothing at all and
    # the response carries only the storefront — no plan/trial/billing fields.
    with _signed_in_client(fresh_db_url) as client:
        resp = client.post("/api/storefronts", json={})
    assert resp.status_code == 201
    assert set(resp.json().keys()) == {"id", "name"}


def test_14_01_0025_create_lands_on_admin(fresh_db_url):
    # After create, the entry-routing answer carries the storefront -> admin (PUC-6).
    with _signed_in_client(fresh_db_url) as client:
        created = client.post("/api/storefronts", json={"name": "Ben's Bets"}).json()
        me = client.get("/api/auth/me").json()
    assert me["storefront"] == created


def test_puc_05_returning_without_storefront_routes_to_create(fresh_db_url):
    with _signed_in_client(fresh_db_url) as client:
        me = client.get("/api/auth/me").json()
    assert me["storefront"] is None


def test_14_01_0027_returning_with_storefront_straight_to_admin(fresh_db_url):
    # PUC-6: a returning merchant's verify response already carries the storefront.
    from datetime import datetime, timedelta, timezone

    email = "returning@example.com"
    with _signed_in_client(fresh_db_url, email) as client:
        client.post("/api/storefronts", json={"name": "Ben's Bets"})
        # fresh login: backdate the consumed code to clear the 60s resend cooldown
        with psycopg.connect(fresh_db_url) as c:
            c.execute(
                "UPDATE auth_code SET created_at = %s WHERE email = %s",
                (datetime.now(timezone.utc) - timedelta(minutes=2), email),
            )
            c.commit()
        client.post("/api/auth/request-code", json={"email": email})
        code = re.search(r"\b(\d{6})\b", client.app.state.mailer.outbox[-1].body).group(1)
        resp = client.post("/api/auth/verify", json={"email": email, "code": code})
    assert resp.status_code == 200
    assert resp.json()["storefront"]["name"] == "Ben's Bets"
    assert resp.json()["created"] is False


def test_puc_07_second_create_refused_409(fresh_db_url):
    with _signed_in_client(fresh_db_url) as client:
        client.post("/api/storefronts", json={"name": "First"})
        resp = client.post("/api/storefronts", json={"name": "Second"})
    assert resp.status_code == 409
    assert resp.json()["error"]["code"] == "already_owns_storefront"


def test_puc_08_admin_shell_answer(fresh_db_url):
    # The shell renders from /me alone: storefront name + signed-in email (§6.5 PUC-8).
    with _signed_in_client(fresh_db_url) as client:
        client.post("/api/storefronts", json={"name": "Ben's Bets"})
        me = client.get("/api/auth/me").json()
    assert me["account"]["email"] == "merchant@example.com"
    assert me["storefront"]["name"] == "Ben's Bets"


def test_create_storefront_requires_session(fresh_db_url):
    with TestClient(create_app(database_url=fresh_db_url)) as client:
        resp = client.post("/api/storefronts", json={"name": "Nope"})
    assert resp.status_code == 401
    assert resp.json()["error"]["code"] == "unauthenticated"