"""TDD: Account CRUD API tests - 含帳號編碼自動產生驗證"""


def test_create_account(client, sample_tenant):
    payload = {
        "tenant_id": sample_tenant["id"],
        "sso_account": "alice",
        "notification_email": "alice@gmail.com",
        "quota_limit": 30,
    }
    resp = client.post("/api/v1/accounts", json=payload)
    assert resp.status_code == 201
    data = resp.json()
    assert data["sso_account"] == "alice"
    assert data["tenant_id"] == sample_tenant["id"]
    assert data["quota_limit"] == 30
    assert data["is_active"] is True
    assert data["seq_no"] == 1
    # account_code = prefix(TC) + seq_no 4碼左補0
    assert data["account_code"] == "TC0001"
    # email = sso_account@domain
    assert data["email"] == f"alice@{sample_tenant['domain']}"


def test_account_code_auto_increment(client, sample_tenant):
    """驗證同租戶內帳號編碼流水號遞增"""
    for sso in ["alice", "bob", "carol"]:
        client.post("/api/v1/accounts", json={
            "tenant_id": sample_tenant["id"],
            "sso_account": sso,
            "notification_email": f"{sso}@external.com",
        })
    resp = client.get("/api/v1/accounts", params={"tenant_id": sample_tenant["id"]})
    accounts = resp.json()
    codes = [a["account_code"] for a in accounts]
    assert "TC0001" in codes
    assert "TC0002" in codes
    assert "TC0003" in codes


def test_create_account_tenant_not_found(client):
    payload = {
        "tenant_id": 99999,
        "sso_account": "ghost",
        "notification_email": "ghost@gmail.com",
    }
    resp = client.post("/api/v1/accounts", json=payload)
    assert resp.status_code == 404


def test_list_accounts(client, sample_account):
    resp = client.get("/api/v1/accounts")
    assert resp.status_code == 200
    accounts = resp.json()
    assert len(accounts) == 1
    assert accounts[0]["sso_account"] == sample_account["sso_account"]
    assert accounts[0]["tenant_name"] is not None


def test_list_accounts_by_tenant(client, sample_tenant, sample_account):
    resp = client.get("/api/v1/accounts", params={"tenant_id": sample_tenant["id"]})
    assert resp.status_code == 200
    assert len(resp.json()) == 1


def test_get_account(client, sample_account):
    resp = client.get(f"/api/v1/accounts/{sample_account['id']}")
    assert resp.status_code == 200
    data = resp.json()
    assert data["id"] == sample_account["id"]
    assert data["lights"] is None


def test_get_account_not_found(client):
    resp = client.get("/api/v1/accounts/99999")
    assert resp.status_code == 404


def test_update_account(client, sample_account):
    resp = client.put(
        f"/api/v1/accounts/{sample_account['id']}",
        json={"legal_name": "Alice Chen", "quota_limit": 50},
    )
    assert resp.status_code == 200
    data = resp.json()
    assert data["legal_name"] == "Alice Chen"
    assert data["quota_limit"] == 50


def test_delete_account(client, sample_account):
    resp = client.delete(f"/api/v1/accounts/{sample_account['id']}")
    assert resp.status_code == 204
    resp = client.get(f"/api/v1/accounts/{sample_account['id']}")
    assert resp.status_code == 404


def test_delete_tenant_cascades_accounts(client, sample_tenant, sample_account):
    """刪除租戶後，帳號應該被 CASCADE 刪除"""
    client.delete(f"/api/v1/tenants/{sample_tenant['id']}")
    resp = client.get(f"/api/v1/accounts/{sample_account['id']}")
    assert resp.status_code == 404