# Copyright (c) 2026 Krzysztof Rudnicki. MIT licence.
"""Command wiring, the daily report, and the listen loop."""

from __future__ import annotations

from dataclasses import dataclass
from typing import TYPE_CHECKING

import httpx

from signal_bot.bot import Bot, build_bot, now_local
from signal_bot.discovery import GroupDirectory
from signal_bot.liveness import Liveness
from signal_bot.transport_fake import FakeTransport
from signal_bot.trust import InviteTrust
from tests.conftest import (
    SECOND_GROUP,
    WATCHED_GROUP,
    envelope,
    group_entry,
    listing_client,
    mock_client,
)

if TYPE_CHECKING:
    from signal_bot.config import Config
    from signal_bot.store import Store


def _bot(config: Config, store: Store, transport: FakeTransport, directory: GroupDirectory) -> Bot:
    client = mock_client(lambda r: httpx.Response(200))
    return build_bot(config, client, store, transport, directory, Liveness(config, client))


def test_now_local_is_timezone_aware() -> None:
    assert now_local().tzinfo is not None


def test_build_bot_registers_the_animal_commands(
    config: Config, store: Store, transport: FakeTransport, directory: GroupDirectory
) -> None:
    bot = _bot(config, store, transport, directory)
    assert bot.dispatcher.registry.resolve("!cat") is not None
    assert bot.dispatcher.registry.resolve("!pies") is not None


async def test_publish_report_posts_each_group_its_own_tally(
    config: Config, store: Store, transport: FakeTransport, directory: GroupDirectory
) -> None:
    """Every group gets its own counts, in its own chat, and only its own."""
    store.increment(WATCHED_GROUP, "u1", "Alice")
    store.increment(SECOND_GROUP, "u2", "Bob")
    store.increment(SECOND_GROUP, "u2", "Bob")
    await _bot(config, store, transport, directory).publish_report()
    assert [(m.recipient, m.text) for m in transport.sent] == [
        (WATCHED_GROUP, "Alice  1"),
        (SECOND_GROUP, "Bob  2"),
    ]
    assert store.tallies(WATCHED_GROUP) == []
    assert store.tallies(SECOND_GROUP) == []


async def test_publish_report_falls_back_to_uuid_when_unnamed(
    config: Config, store: Store, transport: FakeTransport, directory: GroupDirectory
) -> None:
    store.increment(WATCHED_GROUP, "u1", "")
    await _bot(config, store, transport, directory).publish_report()
    assert transport.texts[0] == "u1  1"


async def test_listen_dispatches_every_frame(
    config: Config, store: Store, transport: FakeTransport, directory: GroupDirectory
) -> None:
    transport.queue([envelope(text="hello", group_id=WATCHED_GROUP)])
    await _bot(config, store, transport, directory).listen()
    assert store.tallies(WATCHED_GROUP)[0].count == 1


@dataclass
class RefusingTransport(FakeTransport):
    """A transport that rejects one group, the way a removal from it would."""

    refuses: str = ""

    async def send_text(self, text: str, recipient: str) -> None:
        """Record the send, unless this is the group that refuses them."""
        if recipient == self.refuses:
            msg = "removed from the group"
            raise RuntimeError(msg)
        await super().send_text(text, recipient)


async def test_one_group_failing_its_report_does_not_cost_the_others(
    config: Config, store: Store, directory: GroupDirectory
) -> None:
    """A failed send must not clear that group's day, nor skip the next group."""
    store.increment(WATCHED_GROUP, "u1", "Alice")
    store.increment(SECOND_GROUP, "u2", "Bob")
    transport = RefusingTransport(refuses=WATCHED_GROUP)

    await _bot(config, store, transport, directory).publish_report()

    assert [(m.recipient, m.text) for m in transport.sent] == [(SECOND_GROUP, "Bob  1")]
    # The group that failed keeps its counts; the one that succeeded is reset.
    assert store.tallies(WATCHED_GROUP)[0].count == 1
    assert store.tallies(SECOND_GROUP) == []


async def test_a_quiet_group_is_logged_rather_than_posted_into(
    config: Config, store: Store, transport: FakeTransport, directory: GroupDirectory
) -> None:
    """The bot sits in every group it was added to; a nightly ping is noise."""
    store.increment(SECOND_GROUP, "u2", "Bob")
    await _bot(config, store, transport, directory).publish_report()
    assert [(m.recipient, m.text) for m in transport.sent] == [(SECOND_GROUP, "Bob  1")]


async def test_the_report_follows_the_live_group_set(
    config: Config, store: Store, transport: FakeTransport
) -> None:
    """Groups come from the directory, not from .env, so a new one is included."""
    client = listing_client([group_entry(WATCHED_GROUP), group_entry(SECOND_GROUP)])
    directory = GroupDirectory(config, client, store, InviteTrust(()))
    await directory.refresh()
    store.increment(WATCHED_GROUP, "u1", "Alice")
    store.increment(SECOND_GROUP, "u2", "Bob")
    await _bot(config, store, transport, directory).publish_report()
    assert [m.recipient for m in transport.sent] == [WATCHED_GROUP, SECOND_GROUP]