"""Tests for core/ports.py — storage interfaces."""

import pytest
from typing import Self

from core.models import Bounty, RoomData, TrackingData, TrackedBounty
from core.ports import RoomStorage, TrackingStorage


class MockRoomStorage:
    """Mock implementation of RoomStorage for testing."""

    def __init__(self):
        self._rooms: dict[int, RoomData] = {}

    def load(self, room_id: int) -> RoomData | None:
        return self._rooms.get(room_id)

    def save(self, room_data: RoomData) -> None:
        self._rooms[room_data.room_id] = room_data

    def ensure_room(self, room_id: int) -> RoomData:
        if room_id not in self._rooms:
            self._rooms[room_id] = RoomData(room_id=room_id, bounties=[], next_id=1)
        return self._rooms[room_id]

    def add_bounty(self, room_id: int, bounty: Bounty) -> None:
        if room_id not in self._rooms:
            self.ensure_room(room_id)
        self._rooms[room_id].bounties.append(bounty)

    def update_bounty(self, room_id: int, bounty: Bounty) -> None:
        if room_id in self._rooms:
            for i, b in enumerate(self._rooms[room_id].bounties):
                if b.id == bounty.id:
                    self._rooms[room_id].bounties[i] = bounty
                    break

    def delete_bounty(self, room_id: int, bounty_id: int) -> None:
        if room_id in self._rooms:
            self._rooms[room_id].bounties = [
                b for b in self._rooms[room_id].bounties if b.id != bounty_id
            ]

    def get_bounty(self, room_id: int, bounty_id: int) -> Bounty | None:
        if room_id in self._rooms:
            for b in self._rooms[room_id].bounties:
                if b.id == bounty_id:
                    return b
        return None


class MockTrackingStorage:
    """Mock implementation of TrackingStorage for testing."""

    def __init__(self):
        self._tracking: dict[tuple[int, int], TrackingData] = {}

    def load(self, room_id: int, user_id: int) -> TrackingData | None:
        return self._tracking.get((room_id, user_id))

    def save(self, tracking_data: TrackingData) -> None:
        self._tracking[(tracking_data.room_id, tracking_data.user_id)] = tracking_data

    def ensure_tracking(self, room_id: int, user_id: int) -> TrackingData:
        key = (room_id, user_id)
        if key not in self._tracking:
            self._tracking[key] = TrackingData(
                room_id=room_id, user_id=user_id, tracked=[]
            )
        return self._tracking[key]

    def track_bounty(self, room_id: int, user_id: int, tracked: TrackedBounty) -> None:
        key = (room_id, user_id)
        if key not in self._tracking:
            self.ensure_tracking(room_id, user_id)
        self._tracking[key].tracked.append(tracked)

    def untrack_bounty(self, room_id: int, user_id: int, bounty_id: int) -> None:
        key = (room_id, user_id)
        if key in self._tracking:
            self._tracking[key].tracked = [
                t for t in self._tracking[key].tracked if t.bounty_id != bounty_id
            ]


class TestRoomStorage:
    def test_mock_implements_room_storage_protocol(self):
        storage: RoomStorage = MockRoomStorage()
        assert isinstance(storage, RoomStorage)

    def test_ensure_room_creates_room_if_not_exists(self):
        storage = MockRoomStorage()
        room = storage.ensure_room(-1001)
        assert room.room_id == -1001
        assert room.bounties == []
        assert room.next_id == 1

    def test_ensure_room_returns_existing_room(self):
        storage = MockRoomStorage()
        room1 = storage.ensure_room(-1001)
        room2 = storage.ensure_room(-1001)
        assert room1 is room2

    def test_add_bounty_creates_room_if_not_exists(self):
        storage = MockRoomStorage()
        bounty = Bounty(
            id=1,
            text="Test",
            link=None,
            due_date_ts=None,
            created_at=0,
            created_by_user_id=123,
        )
        storage.add_bounty(-1001, bounty)
        room = storage.load(-1001)
        assert room is not None
        assert len(room.bounties) == 1
        assert room.bounties[0].text == "Test"

    def test_update_bounty(self):
        storage = MockRoomStorage()
        bounty = Bounty(
            id=1,
            text="Original",
            link=None,
            due_date_ts=None,
            created_at=0,
            created_by_user_id=123,
        )
        storage.add_bounty(-1001, bounty)
        updated = Bounty(
            id=1,
            text="Updated",
            link=None,
            due_date_ts=None,
            created_at=0,
            created_by_user_id=123,
        )
        storage.update_bounty(-1001, updated)
        result = storage.get_bounty(-1001, 1)
        assert result is not None
        assert result.text == "Updated"

    def test_delete_bounty(self):
        storage = MockRoomStorage()
        bounty = Bounty(
            id=1,
            text="Test",
            link=None,
            due_date_ts=None,
            created_at=0,
            created_by_user_id=123,
        )
        storage.add_bounty(-1001, bounty)
        storage.delete_bounty(-1001, 1)
        assert storage.get_bounty(-1001, 1) is None


class TestTrackingStorage:
    def test_mock_implements_tracking_storage_protocol(self):
        storage: TrackingStorage = MockTrackingStorage()
        assert isinstance(storage, TrackingStorage)

    def test_ensure_tracking_creates_if_not_exists(self):
        storage = MockTrackingStorage()
        tracking = storage.ensure_tracking(-1001, 123456)
        assert tracking.room_id == -1001
        assert tracking.user_id == 123456
        assert tracking.tracked == []

    def test_ensure_tracking_returns_existing(self):
        storage = MockTrackingStorage()
        t1 = storage.ensure_tracking(-1001, 123456)
        t2 = storage.ensure_tracking(-1001, 123456)
        assert t1 is t2

    def test_track_bounty_creates_tracking_if_not_exists(self):
        storage = MockTrackingStorage()
        tracked = TrackedBounty(bounty_id=5, created_at=0)
        storage.track_bounty(-1001, 123456, tracked)
        result = storage.load(-1001, 123456)
        assert result is not None
        assert len(result.tracked) == 1
        assert result.tracked[0].bounty_id == 5

    def test_untrack_bounty(self):
        storage = MockTrackingStorage()
        tracked = TrackedBounty(bounty_id=5, created_at=0)
        storage.track_bounty(-1001, 123456, tracked)
        storage.untrack_bounty(-1001, 123456, 5)
        result = storage.load(-1001, 123456)
        assert result is not None
        assert len(result.tracked) == 0