from __future__ import annotations

import os
from pathlib import Path
from urllib.parse import urlparse

BASE_DIR = Path(__file__).resolve().parent.parent

SECRET_KEY = os.environ.get("ARTIFEX_DJANGO_SECRET_KEY", "artifex-dev-only-secret-key")
DEBUG = os.environ.get("ARTIFEX_DEBUG", "1") == "1"
ALLOWED_HOSTS = os.environ.get("ARTIFEX_ALLOWED_HOSTS", "localhost,127.0.0.1").split(",")

INSTALLED_APPS = [
    "django.contrib.admin",
    "django.contrib.auth",
    "django.contrib.contenttypes",
    "django.contrib.sessions",
    "django.contrib.messages",
    "django.contrib.staticfiles",
    "control_plane.projects",
    "control_plane.events",
    "control_plane.agents",
    "control_plane.resources",
    "control_plane.ventures",
    "control_plane.model_studio",
    "control_plane.trading_studio",
    "control_plane.secrets",
    "control_plane.knowledge",
    "control_plane.verification",
    "graph",
]

MIDDLEWARE = [
    "django.middleware.security.SecurityMiddleware",
    "django.contrib.sessions.middleware.SessionMiddleware",
    "django.middleware.common.CommonMiddleware",
    "django.middleware.csrf.CsrfViewMiddleware",
    "django.contrib.auth.middleware.AuthenticationMiddleware",
    "django.contrib.messages.middleware.MessageMiddleware",
    "django.middleware.clickjacking.XFrameOptionsMiddleware",
]

ROOT_URLCONF = "artifex.urls"
WSGI_APPLICATION = "artifex.wsgi.application"
ASGI_APPLICATION = "artifex.asgi.application"

TEMPLATES = [
    {
        "BACKEND": "django.template.backends.django.DjangoTemplates",
        "DIRS": [BASE_DIR / "templates"],
        "APP_DIRS": True,
        "OPTIONS": {
            "context_processors": [
                "django.template.context_processors.request",
                "django.contrib.auth.context_processors.auth",
                "django.contrib.messages.context_processors.messages",
            ],
        },
    },
]


def database_config() -> dict[str, object]:
    database_url = os.environ.get(
        "DATABASE_URL",
        "postgresql://artifex:artifex@localhost:5432/artifex",
    )
    parsed = urlparse(database_url)
    if parsed.scheme == "sqlite":
        return {
            "ENGINE": "django.db.backends.sqlite3",
            "NAME": parsed.path.lstrip("/") or BASE_DIR / "db.sqlite3",
        }
    return {
        "ENGINE": "django.db.backends.postgresql",
        "NAME": parsed.path.lstrip("/"),
        "USER": parsed.username or "",
        "PASSWORD": parsed.password or "",
        "HOST": parsed.hostname or "localhost",
        "PORT": parsed.port or 5432,
    }


DATABASES = {"default": database_config()}

LANGUAGE_CODE = "en-us"
TIME_ZONE = "UTC"
USE_I18N = True
USE_TZ = True
STATIC_URL = "static/"
DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"

LOGGING = {
    "version": 1,
    "disable_existing_loggers": False,
    "formatters": {"plain": {"format": "%(asctime)s %(levelname)s %(name)s %(message)s"}},
    "handlers": {"console": {"class": "logging.StreamHandler", "formatter": "plain"}},
    "root": {"handlers": ["console"], "level": os.environ.get("ARTIFEX_LOG_LEVEL", "INFO")},
}