"""
Django settings for sportstime project.
"""
import os
from pathlib import Path

import dj_database_url
from dotenv import load_dotenv

# Load environment variables from .env file
load_dotenv()

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

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = os.environ.get('SECRET_KEY', 'django-insecure-dev-key-change-in-production')

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = os.environ.get('DEBUG', 'False').lower() in ('true', '1', 'yes')

ALLOWED_HOSTS = [
    host.strip()
    for host in os.environ.get('ALLOWED_HOSTS', 'localhost,127.0.0.1').split(',')
    if host.strip()
]

# Application definition
INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    # Third party
    'django_celery_beat',
    'django_celery_results',
    'simple_history',
    'import_export',
    # Local apps
    'core',
    'scraper',
    'cloudkit',
    'dashboard',
    'notifications',
]

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',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
    'simple_history.middleware.HistoryRequestMiddleware',
]

ROOT_URLCONF = 'sportstime.urls'

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

WSGI_APPLICATION = 'sportstime.wsgi.application'

# Database
DATABASES = {
    'default': dj_database_url.config(
        default='postgresql://sportstime:changeme@localhost:5432/sportstime',
        conn_max_age=600,
        conn_health_checks=True,
    )
}

# Password validation
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
LANGUAGE_CODE = 'en-us'
TIME_ZONE = 'UTC'
USE_I18N = True
USE_TZ = True

# Static files (CSS, JavaScript, Images)
STATIC_URL = 'static/'
STATIC_ROOT = BASE_DIR / 'staticfiles'
STATICFILES_DIRS = [BASE_DIR / 'static'] if (BASE_DIR / 'static').exists() else []
STATICFILES_STORAGE = 'whitenoise.storage.CompressedManifestStaticFilesStorage'

# Media files
MEDIA_URL = 'media/'
MEDIA_ROOT = BASE_DIR / 'media'

# Default primary key field type
DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

# Celery Configuration
CELERY_BROKER_URL = os.environ.get('REDIS_URL', 'redis://localhost:6379/0')
CELERY_RESULT_BACKEND = 'django-db'
CELERY_CACHE_BACKEND = 'django-cache'
CELERY_ACCEPT_CONTENT = ['json']
CELERY_TASK_SERIALIZER = 'json'
CELERY_RESULT_SERIALIZER = 'json'
CELERY_TIMEZONE = TIME_ZONE
CELERY_TASK_TRACK_STARTED = True
CELERY_TASK_TIME_LIMIT = 30 * 60  # 30 minutes
CELERY_BEAT_SCHEDULER = 'django_celery_beat.schedulers:DatabaseScheduler'

# Email Configuration
EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
EMAIL_HOST = os.environ.get('EMAIL_HOST', 'smtp.gmail.com')
EMAIL_PORT = int(os.environ.get('EMAIL_PORT', 587))
EMAIL_USE_TLS = os.environ.get('EMAIL_USE_TLS', 'True').lower() in ('true', '1', 'yes')
EMAIL_HOST_USER = os.environ.get('EMAIL_HOST_USER', '')
EMAIL_HOST_PASSWORD = os.environ.get('EMAIL_HOST_PASSWORD', '')
DEFAULT_FROM_EMAIL = os.environ.get('DEFAULT_FROM_EMAIL', 'SportsTime <noreply@example.com>')
ADMIN_EMAIL = os.environ.get('ADMIN_EMAIL', '')

# Security settings (for production behind proxy)
if not DEBUG:
    SECURE_SSL_REDIRECT = os.environ.get('SECURE_SSL_REDIRECT', 'False').lower() in ('true', '1', 'yes')
    SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')
    SESSION_COOKIE_SECURE = os.environ.get('SESSION_COOKIE_SECURE', 'True').lower() in ('true', '1', 'yes')
    CSRF_COOKIE_SECURE = os.environ.get('CSRF_COOKIE_SECURE', 'True').lower() in ('true', '1', 'yes')
    CSRF_TRUSTED_ORIGINS = [
        origin.strip()
        for origin in os.environ.get('CSRF_TRUSTED_ORIGINS', '').split(',')
        if origin.strip()
    ]

# CloudKit Configuration
CLOUDKIT_CONTAINER = os.environ.get('CLOUDKIT_CONTAINER', 'iCloud.com.sportstime.app')
CLOUDKIT_ENVIRONMENT = os.environ.get('CLOUDKIT_ENVIRONMENT', 'development')
CLOUDKIT_KEY_ID = os.environ.get('CLOUDKIT_KEY_ID', '')
CLOUDKIT_PRIVATE_KEY_PATH = os.environ.get('CLOUDKIT_PRIVATE_KEY_PATH', '')

# Scraper Configuration
SCRAPER_REQUEST_DELAY = float(os.environ.get('SCRAPER_REQUEST_DELAY', 3.0))
SCRAPER_MAX_RETRIES = int(os.environ.get('SCRAPER_MAX_RETRIES', 3))
SCRAPER_FUZZY_THRESHOLD = int(os.environ.get('SCRAPER_FUZZY_THRESHOLD', 85))
SCRAPER_BACKOFF_FACTOR = 2.0
SCRAPER_INITIAL_BACKOFF = 5.0

# Expected game counts per sport (for validation)
EXPECTED_GAME_COUNTS = {
    'nba': 1230,
    'mlb': 2430,
    'nfl': 272,
    'nhl': 1312,
    'mls': 544,
    'wnba': 228,
    'nwsl': 182,
}

# Logging Configuration
LOGGING = {
    'version': 1,
    'disable_existing_loggers': False,
    'formatters': {
        'verbose': {
            'format': '{levelname} {asctime} {module} {process:d} {thread:d} {message}',
            'style': '{',
        },
        'simple': {
            'format': '{levelname} {asctime} {message}',
            'style': '{',
        },
    },
    'handlers': {
        'console': {
            'class': 'logging.StreamHandler',
            'formatter': 'simple',
        },
        'file': {
            'class': 'logging.handlers.RotatingFileHandler',
            'filename': BASE_DIR / 'logs' / 'sportstime.log',
            'maxBytes': 10 * 1024 * 1024,  # 10 MB
            'backupCount': 5,
            'formatter': 'verbose',
        },
    },
    'root': {
        'handlers': ['console'],
        'level': 'INFO',
    },
    'loggers': {
        'django': {
            'handlers': ['console'],
            'level': os.environ.get('DJANGO_LOG_LEVEL', 'INFO'),
            'propagate': False,
        },
        'scraper': {
            'handlers': ['console', 'file'] if not DEBUG else ['console'],
            'level': 'INFO',
            'propagate': False,
        },
        'cloudkit': {
            'handlers': ['console', 'file'] if not DEBUG else ['console'],
            'level': 'INFO',
            'propagate': False,
        },
        'celery': {
            'handlers': ['console'],
            'level': 'INFO',
            'propagate': False,
        },
    },
}

# Create logs directory if it doesn't exist
(BASE_DIR / 'logs').mkdir(exist_ok=True)

# Admin site customization
ADMIN_SITE_HEADER = 'SportsTime Administration'
ADMIN_SITE_TITLE = 'SportsTime Admin'
ADMIN_INDEX_TITLE = 'Dashboard'