feat: add multi-chat routing and bill-specific dashboard countdown

tests/test_service.py

@@ -26,26 +26,26 @@ class FakeSaapa:
 
 class FakeNotifier:
     def __init__(self, *, fail: bool = False, fail_on_call: int | None = None) -> None:
-        self.messages: list[str] = []
+        self.messages: list[tuple[str, str]] = []
         self.fail = fail
         self.fail_on_call = fail_on_call
         self.calls = 0
 
-    def send(self, text: str) -> None:
+    def send(self, chat_id: str, text: str) -> None:
         self.calls += 1
         if self.fail or self.calls == self.fail_on_call:
             raise ExternalServiceError("Eitaa unavailable")
-        self.messages.append(text)
+        self.messages.append((chat_id, text))
 
 
 def _service(
     path: Path,
     saapa: FakeSaapa,
     notifier: FakeNotifier,
-    bill_ids: tuple[str, ...] = ("123",),
+    bill_chat_ids: Mapping[str, tuple[str, ...]] | None = None,
 ) -> OutageService:
     return OutageService(
-        bill_ids=bill_ids,
+        bill_chat_ids=bill_chat_ids or {"123": ("chat-a",)},
         lookahead_days=5,
         saapa=saapa,  # type: ignore[arg-type]
         notifier=notifier,
@@ -65,7 +65,7 @@ def test_first_run_sends_upcoming_once(tmp_path: Path, now: datetime, outage: Ou
 
     assert first.sent == 1
     assert first.state_changed is True
-    assert "خاموشی جدید" in notifier.messages[0]
+    assert "خاموشی جدید" in notifier.messages[0][1]
     assert second.sent == 0
     assert second.state_changed is False
     assert path.read_text(encoding="utf-8") == first_state
@@ -82,9 +82,9 @@ def test_changed_outage_sends_field_diff(tmp_path: Path, now: datetime, outage:
     result = service.run(now)
 
     assert result.sent == 1
-    assert "تغییر در برنامه" in notifier.messages[-1]
-    assert "09:00" in notifier.messages[-1]
-    assert "10:00" in notifier.messages[-1]
+    assert "تغییر در برنامه" in notifier.messages[-1][1]
+    assert "09:00" in notifier.messages[-1][1]
+    assert "10:00" in notifier.messages[-1][1]
 
 
 def test_cancellation_requires_two_successful_omissions_and_can_reactivate(
@@ -103,12 +103,12 @@ def test_cancellation_requires_two_successful_omissions_and_can_reactivate(
 
     assert first_missing.sent == 0
     assert second_missing.sent == 1
-    assert "دو بررسی پیاپی" in notifier.messages[-1]
+    assert "دو بررسی پیاپی" in notifier.messages[-1][1]
 
     saapa.snapshots["123"] = [outage]
     restored = service.run(now)
     assert restored.sent == 1
-    assert "بازگشت برنامه" in notifier.messages[-1]
+    assert "بازگشت برنامه" in notifier.messages[-1][1]
 
 
 def test_failed_notification_does_not_advance_state(
@@ -130,13 +130,80 @@ def test_fetch_failure_for_one_bill_does_not_block_another(
 ) -> None:
     saapa = FakeSaapa({"123": ExternalServiceError("SAAPA failed for 123"), "456": [outage]})
     notifier = FakeNotifier()
-    service = _service(tmp_path / "state.json", saapa, notifier, ("123", "456"))
+    service = _service(
+        tmp_path / "state.json",
+        saapa,
+        notifier,
+        {"123": ("chat-a",), "456": ("chat-b",)},
+    )
 
     result = service.run(now)
 
     assert result.sent == 1
     assert result.errors == ["SAAPA failed for 123"]
     assert len(notifier.messages) == 1
+    assert notifier.messages[0][0] == "chat-b"
+
+
+def test_each_bill_is_sent_to_its_configured_chat(
+    tmp_path: Path, now: datetime, outage: Outage
+) -> None:
+    second_outage = replace(outage, outage_number="404992999002")
+    saapa = FakeSaapa({"123": [outage], "456": [second_outage]})
+    notifier = FakeNotifier()
+    service = _service(
+        tmp_path / "state.json",
+        saapa,
+        notifier,
+        {"123": ("chat-a",), "456": ("chat-b",)},
+    )
+
+    result = service.run(now)
+
+    assert result.sent == 2
+    assert [chat_id for chat_id, _ in notifier.messages] == ["chat-a", "chat-b"]
+    assert "شناسه قبض: 123" in notifier.messages[0][1]
+    assert "شناسه قبض: 456" in notifier.messages[1][1]
+
+
+def test_one_bill_is_sent_to_all_its_configured_chats(
+    tmp_path: Path, now: datetime, outage: Outage
+) -> None:
+    saapa = FakeSaapa({"123": [outage]})
+    notifier = FakeNotifier()
+    service = _service(
+        tmp_path / "state.json",
+        saapa,
+        notifier,
+        {"123": ("chat-a", "chat-b")},
+    )
+
+    result = service.run(now)
+
+    assert result.sent == 2
+    assert len(saapa.calls) == 1
+    assert [chat_id for chat_id, _ in notifier.messages] == ["chat-a", "chat-b"]
+
+
+def test_state_advances_only_after_all_chats_accept_notification(
+    tmp_path: Path, now: datetime, outage: Outage
+) -> None:
+    path = tmp_path / "state.json"
+    notifier = FakeNotifier(fail_on_call=2)
+    service = _service(
+        path,
+        FakeSaapa({"123": [outage]}),
+        notifier,
+        {"123": ("chat-a", "chat-b", "chat-c")},
+    )
+
+    result = service.run(now)
+
+    assert result.sent == 2
+    assert result.errors == ["Eitaa unavailable"]
+    assert [chat_id for chat_id, _ in notifier.messages] == ["chat-a", "chat-c"]
+    assert result.state_changed is False
+    assert not path.exists()
 
 
 def test_partial_delivery_persists_only_successful_events(