import os
import tempfile
import pytest

from flaschengeist import database
from flaschengeist.app import create_app, install_all
from flask_migrate import upgrade

# read in SQL for populating test data
with open(os.path.join(os.path.dirname(__file__), "data.sql"), "r") as f:
    _data_sql = []
    __sql_command = ""
    for line in f.readlines():
        if not line.startswith("--"):
            line = line.strip("\n")
            __sql_command += line.strip("\n")
            if __sql_command.endswith(";"):
                _data_sql.append(__sql_command)
                __sql_command = ""


@pytest.fixture
def app():
    db_fd, db_path = tempfile.mkstemp()
    app = create_app(
        {
            "TESTING": True,
            "DATABASE": {
                "engine": "sqlite",
                "database": f"/{db_path}"
            },
            "LOGGING": {"level": "DEBUG"},
        }
    )
    with app.app_context():
        upgrade(directory='migrations', revision='heads')
        # install_all()
        engine = database.db.engine
        with engine.connect() as connection:
            for statement in _data_sql:
                connection.execute(statement)
    yield app
    os.close(db_fd)
    # os.unlink(db_path)
    print(db_path)


@pytest.fixture
def client(app):
    return app.test_client()