import io

import pytest
from PIL import Image

from soapbox import db
from soapbox.app import create_app
from soapbox.config import load_config


@pytest.fixture
def cfg(tmp_path):
    return load_config(
        {"SOAPBOX_DATA_DIR": str(tmp_path / "data"), "SOAPBOX_SITE_URL": "https://blog.example.no"}
    )


@pytest.fixture
def app(cfg):
    app = create_app(cfg)
    app.config["TESTING"] = True
    conn = db.connect(cfg.db_path)
    db.create_user(conn, "eier", "hemmelig123", db.ROLE_OWNER, "Ole")
    db.create_user(conn, "gjest1", "hemmelig123", db.ROLE_GUEST, "Gjest En")
    conn.close()
    return app


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


def login(client, username="eier", password="hemmelig123", prefix=""):
    client.get(f"{prefix}/admin/login")  # gir sesjonen et CSRF-token
    return client.post(
        f"{prefix}/admin/login",
        data={"username": username, "password": password, "csrf": csrf(client, prefix)},
    )


def csrf(client, prefix=""):
    with client.session_transaction(path=f"{prefix}/admin/") as s:
        return s["csrf"]


def png_bytes(size=(3000, 1500)):
    buf = io.BytesIO()
    Image.new("RGB", size, "green").save(buf, "PNG")
    return buf.getvalue()