"""
Django settings for core project.

Generated by 'django-admin startproject' using Django 6.0.4.

For more information on this file, see
https://docs.djangoproject.com/en/6.0/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/6.0/ref/settings/
"""
import os
from pathlib import Path

ENV_TYPE = os.environ.get('ENV_TYPE', 'dev').strip().lower()


def _env_bool(name: str, default: bool) -> bool:
    val = os.environ.get(name)
    if val is None:
        return default
    return val.strip().lower() in {'1', 'true', 'yes', 'y', 'on'}


def _env_csv(name: str, default: str = '') -> list[str]:
    raw = os.environ.get(name, default)
    parts = [p.strip() for p in raw.split(',')]
    return [p for p in parts if p]


if ENV_TYPE == 'server':
    STORAGE_PATH = Path(os.environ.get('STORAGE_PATH', '/app/storage'))
else:
    STORAGE_PATH = Path(os.environ.get('STORAGE_PATH', 'V:/timelaps'))

TIMELAPS_EXPORT_DIR = STORAGE_PATH / 'timelapses'

# Build paths inside the project like this: BASE_DIR / 'subdir'.
BASE_DIR = Path(__file__).resolve().parent.parent


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/6.0/howto/deployment/checklist/

SECRET_KEY = os.environ.get('DJANGO_SECRET_KEY')
DEBUG = _env_bool('DJANGO_DEBUG', default=(ENV_TYPE != 'server'))

if not SECRET_KEY:
    if DEBUG:
        SECRET_KEY = 'django-insecure-dev-only-change-me-7%z8p!v3#r2t9kq'
    else:
        raise RuntimeError('DJANGO_SECRET_KEY is required when DJANGO_DEBUG is false')

ALLOWED_HOSTS = _env_csv('ALLOWED_HOSTS', default='localhost,127.0.0.1')


# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'camlaps',
]

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 = 'core.urls'

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',

            ],
        },
    },
]

WSGI_APPLICATION = 'core.wsgi.application'


# Database
# https://docs.djangoproject.com/en/6.0/ref/settings/#databases

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': Path(os.environ.get('SQLITE_PATH', str(BASE_DIR / 'db.sqlite3'))),
    }
}


# Password validation
# https://docs.djangoproject.com/en/6.0/ref/settings/#auth-password-validators

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',
    },
]


# Internationalization
# https://docs.djangoproject.com/en/6.0/topics/i18n/

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/6.0/howto/static-files/

STATIC_URL = '/static/'
STATIC_ROOT = BASE_DIR / 'staticfiles'

MEDIA_URL = '/media/'
MEDIA_ROOT = BASE_DIR / 'media'

LOG_DIR = BASE_DIR / 'logs'
LOG_DIR.mkdir(parents=True, exist_ok=True)

LOGGING = {
    'version': 1,
    'disable_existing_loggers': False,
    'formatters': {
        'standard': {
            'format': '%(asctime)s | %(levelname)s | %(name)s | %(message)s',
        },
    },
    'handlers': {
        'console': {
            'class': 'logging.StreamHandler',
            'formatter': 'standard',
        },
        'camlaps_file': {
            'class': 'logging.FileHandler',
            'filename': str(LOG_DIR / 'camlaps.log'),
            'formatter': 'standard',
            'encoding': 'utf-8',
        },
    },
    'loggers': {
        'camlaps': {
            'handlers': ['console', 'camlaps_file'],
            'level': 'INFO',
            'propagate': False,
        },
    },
}