"""
Настройки Django для ERP WaterSurf.
"""
import os
from pathlib import Path

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

SECRET_KEY = os.environ.get("SECRET_KEY", "django-insecure-change-me")
DEBUG = os.environ.get("DEBUG", "false").lower() in ("1", "true", "yes")
ALLOWED_HOSTS = os.environ.get("ALLOWED_HOSTS", "localhost,127.0.0.1").split(",")

# За прокси (Nginx): иначе при отправке формы логина — 403 CSRF
CSRF_TRUSTED_ORIGINS = [
    "https://erp.gen7x.ru",
    "http://localhost:8010",
    "http://127.0.0.1:8010",
]
if os.environ.get("CSRF_TRUSTED_ORIGINS"):
    CSRF_TRUSTED_ORIGINS = os.environ.get("CSRF_TRUSTED_ORIGINS").split(",")

INSTALLED_APPS = [
    "django.contrib.admin",
    "django.contrib.auth",
    "django.contrib.contenttypes",
    "django.contrib.sessions",
    "django.contrib.messages",
    "django.contrib.staticfiles",
    "references",
    "documents",
    "users",
]

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

ROOT_URLCONF = "config.urls"
WSGI_APPLICATION = "config.wsgi.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",
            ],
        },
    },
]

DATABASES = {
    "default": {
        "ENGINE": "django.db.backends.postgresql",
        "NAME": os.environ.get("DB_NAME", "watersurf_erp"),
        "USER": os.environ.get("DB_USER", "watersurf_erp"),
        "PASSWORD": os.environ.get("DB_PASSWORD", ""),
        "HOST": os.environ.get("DB_HOST", "localhost"),
        "PORT": os.environ.get("DB_PORT", "5432"),
    }
}

AUTH_PASSWORD_VALIDATORS = [
    {"NAME": "django.contrib.auth.password_validation.UserAttributeSimilarityValidator"},
    {"NAME": "django.contrib.auth.password_validation.MinimumLengthValidator"},
    {"NAME": "django.contrib.auth.password_validation.CommonPasswordValidator"},
    {"NAME": "django.contrib.auth.password_validation.NumericPasswordValidator"},
]

LANGUAGE_CODE = "ru-ru"
TIME_ZONE = "Europe/Moscow"
USE_I18N = True
USE_TZ = True

STATIC_URL = "static/"
STATIC_ROOT = BASE_DIR / "staticfiles"
STATICFILES_DIRS = [BASE_DIR / "static"] if (BASE_DIR / "static").exists() else []
STATICFILES_STORAGE = "whitenoise.storage.CompressedManifestStaticFilesStorage"

DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"

LOGIN_URL = "users:login"
LOGIN_REDIRECT_URL = "users:home"
LOGOUT_REDIRECT_URL = "users:login"

# Отладка/разработка: REQUIRE_LOGIN=false — доступ без входа (мидлварь подставит суперпользователя).
# Чтобы вернуть авторизацию: REQUIRE_LOGIN=true в .env.
REQUIRE_LOGIN = os.environ.get("REQUIRE_LOGIN", "false").lower() in ("1", "true", "yes")

# Логирование
LOGGING = {
    "version": 1,
    "disable_existing_loggers": False,
    "formatters": {
        "verbose": {
            "format": "{levelname} {asctime} {module} {message}",
            "style": "{",
        },
    },
    "handlers": {
        "console": {
            "class": "logging.StreamHandler",
            "formatter": "verbose",
        },
        "file": {
            "class": "logging.FileHandler",
            "filename": BASE_DIR / "logs" / "app.log",
            "formatter": "verbose",
        },
    },
    "root": {
        "handlers": ["console"],
        "level": "INFO",
    },
}
_log_file = BASE_DIR / "logs" / "app.log"
if _log_file.parent.exists():
    LOGGING["root"]["handlers"].append("file")