"""
pytest test fixtures
"""
import pytest

from amanuensis.db import DbContext
import amanuensis.backend.character as charq
import amanuensis.backend.lexicon as lexiq
import amanuensis.backend.membership as memq
import amanuensis.backend.user as userq
from amanuensis.config import AmanuensisConfig
from amanuensis.server import get_app


@pytest.fixture
def db() -> DbContext:
    """Provides an initialized database in memory."""
    db = DbContext(uri="sqlite:///:memory:", echo=False)
    db.create_all()
    return db


@pytest.fixture
def make_user(db: DbContext):
    """Provides a factory function for creating users, with valid default values."""

    def user_factory(state={"nonce": 1}, **kwargs):
        default_kwargs = {
            "username": f'test_user_{state["nonce"]}',
            "password": "password",
            "display_name": None,
            "email": "user@example.com",
            "is_site_admin": False,
        }
        state["nonce"] += 1
        updated_kwargs = {**default_kwargs, **kwargs}
        return userq.create(db, **updated_kwargs)

    return user_factory


@pytest.fixture
def make_lexicon(db: DbContext):
    """Provides a factory function for creating lexicons, with valid default values."""

    def lexicon_factory(state={"nonce": 1}, **kwargs):
        default_kwargs = {
            "name": f'Test_{state["nonce"]}',
            "title": None,
            "prompt": f'Test Lexicon game {state["nonce"]}',
        }
        state["nonce"] += 1
        updated_kwargs = {**default_kwargs, **kwargs}
        lex = lexiq.create(db, **updated_kwargs)
        lex.joinable = True
        db.session.commit()
        return lex

    return lexicon_factory


@pytest.fixture
def make_membership(db: DbContext):
    """Provides a factory function for creating memberships, with valid default values."""

    def membership_factory(**kwargs):
        default_kwargs = {
            "is_editor": False,
        }
        updated_kwargs = {**default_kwargs, **kwargs}
        return memq.create(db, **updated_kwargs)

    return membership_factory


@pytest.fixture
def make_character(db: DbContext):
    """Provides a factory function for creating characters, with valid default values."""

    def character_factory(state={"nonce": 1}, **kwargs):
        default_kwargs = {
            "name": f'Character {state["nonce"]}',
            "signature": None,
        }
        state["nonce"] += 1
        updated_kwargs = {**default_kwargs, **kwargs}
        return charq.create(db, **updated_kwargs)

    return character_factory


class TestFactory:
    def __init__(self, db, **factories):
        self.db = db
        self.factories = factories

    def __getattr__(self, name):
        return self.factories[name]


@pytest.fixture
def make(
    db: DbContext, make_user, make_lexicon, make_membership, make_character
) -> TestFactory:
    """Fixture that groups all factory fixtures together."""
    return TestFactory(
        db,
        user=make_user,
        lexicon=make_lexicon,
        membership=make_membership,
        character=make_character,
    )


@pytest.fixture
def lexicon_with_editor(make):
    """Shortcut setup for a lexicon game with an editor."""
    editor = make.user()
    assert editor
    lexicon = make.lexicon()
    assert lexicon
    membership = make.membership(
        user_id=editor.id, lexicon_id=lexicon.id, is_editor=True
    )
    assert membership
    return (lexicon, editor)


class TestConfig(AmanuensisConfig):
    TESTING = True
    SECRET_KEY = "secret key"
    DATABASE_URI = "sqlite:///:memory:"


@pytest.fixture
def app(db):
    """Provides an application running on top of the test database."""
    server_app = get_app(TestConfig, db)
    return server_app