import asyncio
from types import SimpleNamespace
from unittest.mock import AsyncMock

import pytest
from fastapi import HTTPException

from app import gallery
from app.routers import versions
from app.schemas import ForkIn, GallerySettingsIn


@pytest.mark.parametrize(("game", "expected"), [
    ({"build": {"name": "MIST"}, "screens": {"rewatchgirlselectscreen": {}}}, True),
    ({"init": [{"k": "call", "f": {"k": "name", "id": "Gallery"}}]}, True),
    ({"screens": {"replay": {"k": "call", "f": {"k": "name", "id": "Replay"}}}}, True),
    ({"init": [], "screens": {}}, False),
    ({"engine": "naninovel", "init": [{"k": "call", "f": {"k": "name", "id": "Gallery"}}]}, False),
])
def test_supported_gallery_detection(monkeypatch, game, expected):
    monkeypatch.setattr(gallery, "file_json", lambda *_: game)
    assert gallery.available({"files": {"game.json": {}}}) is expected
    assert not gallery.available(None)


def test_only_owner_can_toggle_gallery_and_scripts_are_not_modified(monkeypatch):
    manifest = {"files": {"game.json": {"hash": "unchanged"}}}
    v = SimpleNamespace(owner_id=7, status="ready", manifest=manifest, gallery_unlocked=False)
    monkeypatch.setattr(versions, "get_version", AsyncMock(return_value=v))
    monkeypatch.setattr(versions, "gallery_available", lambda _: True)
    db = SimpleNamespace(commit=AsyncMock())

    async def scenario():
        body = GallerySettingsIn(gallery_unlocked=True)
        with pytest.raises(HTTPException) as error:
            await versions.update_gallery(1, body, SimpleNamespace(id=8), db)
        assert error.value.status_code == 403
        assert not v.gallery_unlocked
        result = await versions.update_gallery(1, body, SimpleNamespace(id=7), db)
        assert result.gallery_unlocked
        assert result.manifest is manifest
        await versions.update_gallery(1, GallerySettingsIn(gallery_unlocked=False), SimpleNamespace(id=7), db)
        assert not v.gallery_unlocked
        assert db.commit.await_count == 2
    asyncio.run(scenario())


@pytest.mark.parametrize(("state", "supported", "code"), [("converting", True, 409), ("ready", False, 422)])
def test_gallery_requires_ready_supported_game(monkeypatch, state, supported, code):
    v = SimpleNamespace(owner_id=7, status=state, manifest={}, gallery_unlocked=False)
    monkeypatch.setattr(versions, "get_version", AsyncMock(return_value=v))
    monkeypatch.setattr(versions, "gallery_available", lambda _: supported)
    db = SimpleNamespace(commit=AsyncMock())
    with pytest.raises(HTTPException) as error:
        asyncio.run(versions.update_gallery(1, GallerySettingsIn(gallery_unlocked=True), SimpleNamespace(id=7), db))
    assert error.value.status_code == code
    db.commit.assert_not_awaited()


def test_player_manifest_uses_version_flag_instead_of_shared_manifest(monkeypatch):
    shared = {"files": {"game.json": {"hash": "unchanged"}}}
    v = SimpleNamespace(id=1, status="ready", manifest=shared, revision_id="revision", gallery_unlocked=True)
    monkeypatch.setattr(versions, "get_version", AsyncMock(return_value=v))
    result = asyncio.run(versions.version_manifest(1, SimpleNamespace(id=7), None))
    assert result["galleryUnlocked"] is True
    assert "galleryUnlocked" not in shared
    v.gallery_unlocked = False
    assert asyncio.run(versions.version_manifest(1, SimpleNamespace(id=7), None))["galleryUnlocked"] is False


def test_fork_inherits_gallery_setting_but_can_change_it_independently(monkeypatch):
    parent = SimpleNamespace(id=1, game_id=2, status="ready", gallery_unlocked=True,
                             manifest={"files": {}}, revision_id="base", report={}, size_bytes=1)
    monkeypatch.setattr(versions, "get_version", AsyncMock(return_value=parent))
    monkeypatch.setattr(versions, "has_perm", lambda *_: True)
    added = []
    db = SimpleNamespace(add=added.append, commit=AsyncMock())
    fork = asyncio.run(versions.fork_version(1, ForkIn(name="My fork"), SimpleNamespace(id=7), db))
    assert fork.gallery_unlocked is True
    fork.gallery_unlocked = False
    assert parent.gallery_unlocked is True
    assert fork.manifest is parent.manifest