"""
Django settings for yamdl_playground project.

Generated by 'django-admin startproject' using Django 5.0.

For more information on this file, see
https://docs.djangoproject.com/en/5.0/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/5.0/ref/settings/
"""

from pathlib import Path
import os

# 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/5.0/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = 'django-insecure-13rey)pheg9^%jtworn_&3wl&$-l%40uza0!ijva+l$n5umuz3'

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = os.environ.get("DEBUG", "true").lower() == "true"

ALLOWED_HOSTS = ["*"]


# Application definition

INSTALLED_APPS = [
    'django.contrib.staticfiles',
    "yamdl_playground.core",
    "yamdl"
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

ROOT_URLCONF = 'yamdl_playground.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [],
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'django.template.context_processors.debug',
                'django.template.context_processors.request',
            ],
        },
    },
    {
        'BACKEND': 'django_jinja.jinja2.Jinja2',
        'DIRS': [],
        'APP_DIRS': True,
        'OPTIONS': {
            'app_dirname': "jinja2",
            "match_extension": ".html"
        }
    },
]

WSGI_APPLICATION = 'yamdl_playground.wsgi.application'


# Database
# https://docs.djangoproject.com/en/5.0/ref/settings/#databases

db_init_command = f"""
PRAGMA journal_mode=WAL;
PRAGMA synchronous=NORMAL;
PRAGMA temp_store=MEMORY;
PRAGMA auto_vacuum=INCREMENTAL;
PRAGMA busy_timeout=10000;
PRAGMA threads={os.cpu_count()};
PRAGMA secure_delete=OFF;
PRAGMA mmap_size=50000000;
PRAGMA cache_size=-262144;
"""

memory_db_init_command = f"""
PRAGMA journal_mode=OFF;
PRAGMA synchronous=OFF;
PRAGMA temp_store=MEMORY;
PRAGMA auto_vacuum=INCREMENTAL;
PRAGMA busy_timeout=10000;
PRAGMA threads={os.cpu_count()};
PRAGMA secure_delete=OFF;
"""

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': BASE_DIR / "db.sqlite3",
        "CONN_MAX_AGE": 600,
        "OPTIONS": {
            "init_command": db_init_command
        }
    },
    'yamdl': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': 'file:yamdl-db?mode=memory&cache=shared',
        "CONN_MAX_AGE": 600,
        "OPTIONS": {
            "init_command": memory_db_init_command
        }
    }
}

YAMDL_DIRECTORIES = [
    BASE_DIR / "content",
]

YAMDL_LOADER = "yamdl_playground.core.utils.CustomYamdlLoader"

CACHES = {
    "default": {
        "BACKEND": "django.core.cache.backends.db.DatabaseCache",
        "LOCATION": "database_cache",
    },
    "mem": {
        "BACKEND": "django.core.cache.backends.locmem.LocMemCache",
        "LOCATION": "mem",
    }
}

# Password validation
# https://docs.djangoproject.com/en/5.0/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/5.0/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/5.0/howto/static-files/

STATIC_URL = 'static/'

STORAGES = {
    "default": {
        "BACKEND": "django.core.files.storage.FileSystemStorage",
    },
    "staticfiles": {
        "BACKEND": "django.contrib.staticfiles.storage.StaticFilesStorage",
    },
    "yamdl": {
        "BACKEND": "django.core.files.storage.FileSystemStorage",
        "OPTIONS": {
            "location": BASE_DIR / "collected-content-media",
            "base_url": "/yamdl-media/"
        }
    }
}

# Default primary key field type
# https://docs.djangoproject.com/en/5.0/ref/settings/#default-auto-field

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

DATABASE_ROUTERS = [
    "yamdl.router.YamdlRouter",
]

LOGGING = {
    "version": 1,
    "disable_existing_loggers": False,
    "handlers": {
        "console": {
            "class": "logging.StreamHandler",
            "formatter": "verbose"
        },
    },
    "formatters": {
        "verbose": {
            # Mostly copied from gunicorn
            "format": "%(asctime)s [%(process)d] [%(name)s] [%(levelname)s] %(message)s",
            "datefmt": "[%Y-%m-%d %H:%M:%S %z]",
        }
    },
    "root": {
        "handlers": ["console"],
        "level": "WARNING",
    },
    "loggers": {
        "django": {
            "handlers": ["console"],
            "level": "INFO",
            "propagate": False,
        },
        "yamdl": {
            "handlers": ["console"],
            "level": "INFO",
            "propagate": False,
        },
    },
}


if "ENABLE_ADMIN" in os.environ:
    INSTALLED_APPS.extend([
        'django.contrib.admin',
        'django.contrib.auth',
        'django.contrib.contenttypes',
        'django.contrib.messages',
        'django.contrib.sessions',
    ])

    MIDDLEWARE.extend([
        'yamdl_playground.core.middleware.FakeAuthenticationMiddleware',
        'django.contrib.sessions.middleware.SessionMiddleware',
        'django.contrib.auth.middleware.AuthenticationMiddleware',
        'django.contrib.messages.middleware.MessageMiddleware',
    ])

    # To make sure it's definitely working
    AUTHENTICATION_BACKENDS = []

    TEMPLATES[0]["OPTIONS"]["context_processors"].extend([
        'django.contrib.auth.context_processors.auth',
        'django.contrib.messages.context_processors.messages',
    ])


if "ENABLE_DDT" in os.environ:
    INSTALLED_APPS.extend(["debug_toolbar", "template_profiler_panel"])
    MIDDLEWARE.append("debug_toolbar.middleware.DebugToolbarMiddleware")

    DEBUG_TOOLBAR_CONFIG = {
        "SHOW_TOOLBAR_CALLBACK": "yamdl_playground.core.utils.show_debug_toolbar"
    }

    DEBUG_TOOLBAR_PANELS = [
        'debug_toolbar.panels.history.HistoryPanel',
        'debug_toolbar.panels.versions.VersionsPanel',
        'debug_toolbar.panels.timer.TimerPanel',
        'debug_toolbar.panels.settings.SettingsPanel',
        'debug_toolbar.panels.headers.HeadersPanel',
        'debug_toolbar.panels.request.RequestPanel',
        'debug_toolbar.panels.sql.SQLPanel',
        'debug_toolbar.panels.staticfiles.StaticFilesPanel',
        'debug_toolbar.panels.templates.TemplatesPanel',
        'debug_toolbar.panels.cache.CachePanel',
        # 'debug_toolbar.panels.signals.SignalsPanel',
        # 'debug_toolbar.panels.redirects.RedirectsPanel',
        # 'debug_toolbar.panels.profiling.ProfilingPanel',
        "template_profiler_panel.panels.template.TemplateProfilerPanel"
    ]