from uuid import uuid4

import pytest

from samples.peripheral.auth import Identity
from samples.peripheral.config import SampleSettings
from samples.peripheral.store import PostgresStore


class EventConnection:
    def __init__(self):
        self.statements = []

    def execute(self, statement, parameters):
        self.statements.append((statement, parameters))
        return self

    def fetchone(self):
        return {"event_seq": 42}


@pytest.mark.parametrize(("revision", "deleted", "change"), [
    (1, False, "created"), (2, False, "updated"), (3, True, "deleted"),
])
def test_work_order_signals_use_same_connection_and_contain_only_identity(revision, deleted, change):
    conn = EventConnection()
    who = Identity(str(uuid4()), str(uuid4()), True)
    order = {"work_order_id": str(uuid4()), "revision": revision,
             "updated_at": "2026-10-08T00:00:00Z", "title": "private title"}

    PostgresStore(SampleSettings())._work_order_event(conn, who, order, deleted=deleted)

    statement, parameters = conn.statements[0]
    assert "workbench.domain_event_log" in statement
    assert "'workbench.work_order.changed','peripheral_work_order'" in statement
    assert parameters[0] == who.project_id
    assert parameters[2:5] == (order["work_order_id"], revision, order["updated_at"])
    assert parameters[5].obj == {
        "source": "peripheral_sample", "work_order_id": order["work_order_id"], "change": change,
    }
    assert conn.statements[1] == (
        "SELECT pg_notify('workbench_events', %s)", (f"{who.project_id}:42",),
    )


def test_event_rollout_does_not_write_to_other_databases():
    conn = EventConnection()
    store = PostgresStore(SampleSettings(db_name="another_project"))
    store._work_order_event(conn, Identity(str(uuid4()), str(uuid4()), True), {})
    assert conn.statements == []