"""
Django settings for Loadboard project.

Generated by 'django-admin startproject' using Django 5.2.11.

For more information on this file, see
https://docs.djangoproject.com/en/5.2/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/5.2/ref/settings/
"""

import os
from pathlib import Path


# 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/5.2/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = os.environ.get(
    'DJANGO_SECRET_KEY',
    'django-insecure-$x_*zlyj#j3pp*7q2m)w0+x$lz=$a_vg6lifug=0fz)*)z5s^k'
)

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

# Comma-separated list of host/domain names.
# Allow all hosts — fixes DisallowedHost when behind Nginx/reverse proxy.
ALLOWED_HOSTS = ['*']

# Login page is the site root (not Django's default /accounts/login/).
LOGIN_URL = '/'
LOGIN_REDIRECT_URL = '/dashboard'


# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'rest_framework',
    'rest_framework.authtoken',
    'corsheaders',
    'accounts.apps.AccountsConfig',
    'core',
    'billing',
    'api',
    'widget_tweaks',
]


STATIC_URL = '/static/'

STATICFILES_DIRS = [
    BASE_DIR / "static",  # points to Loadboard/static
]


MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'corsheaders.middleware.CorsMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
    'api.logging_middleware.APILoggingMiddleware',
]

ROOT_URLCONF = 'Loadboard.urls'

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

WSGI_APPLICATION = 'Loadboard.wsgi.application'


# Database
# https://docs.djangoproject.com/en/5.2/ref/settings/#databases
# Production (DEBUG=False): always use MySQL. Development: use DJANGO_DB_ENGINE or default SQLite.
_db_engine = os.environ.get('DJANGO_DB_ENGINE', 'sqlite3' if DEBUG else 'mysql')
if _db_engine == 'mysql':
    DATABASES = {
        'default': {
            'ENGINE': 'django.db.backends.mysql',
            'NAME': os.environ.get('DJANGO_DB_NAME', 'loadboard'),
            'USER': os.environ.get('DJANGO_DB_USER', 'root'),
            'PASSWORD': os.environ.get('DJANGO_DB_PASSWORD', ''),
            'HOST': os.environ.get('DJANGO_DB_HOST', '127.0.0.1'),
            'PORT': os.environ.get('DJANGO_DB_PORT', '3306'),
            'OPTIONS': {'charset': 'utf8mb4'},
        }
    }
else:
    DATABASES = {
        'default': {
            'ENGINE': 'django.db.backends.sqlite3',
            'NAME': BASE_DIR / 'db.sqlite3',
        }
    }


# Password validation
# https://docs.djangoproject.com/en/5.2/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/5.2/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/5.2/howto/static-files/

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

# Media files (uploads: KYC, POD, chat voice)
MEDIA_URL = '/media/'
MEDIA_ROOT = BASE_DIR / 'media'

# Multipart uploads (chat voice notes). Entire request body limit; raise via env in production
# and set nginx `client_max_body_size` to match or exceed this value.
_DATA_UPLOAD_MAX = int(os.environ.get('DATA_UPLOAD_MAX_MEMORY_SIZE', str(25 * 1024 * 1024)))
DATA_UPLOAD_MAX_MEMORY_SIZE = _DATA_UPLOAD_MAX
FILE_UPLOAD_MAX_MEMORY_SIZE = int(
    os.environ.get('FILE_UPLOAD_MAX_MEMORY_SIZE', str(5 * 1024 * 1024))
)

# Absolute URLs for FileField responses (`voice_url`, KYC `file_url`, POD images, etc.).
# Set to your public API origin (no trailing slash), e.g. https://api.example.com
# Fixes wrong host/scheme when Django sits behind nginx and `request.get_host()` is internal.
PUBLIC_BASE_URL = os.environ.get('PUBLIC_BASE_URL', '').strip().rstrip('/')

# If PUBLIC_BASE_URL is unset: trust reverse-proxy headers for `request.build_absolute_uri`.
USE_X_FORWARDED_HOST = os.environ.get('USE_X_FORWARDED_HOST', 'True').lower() in ('1', 'true', 'yes')
if os.environ.get('USE_SECURE_PROXY_SSL_HEADER', 'False').lower() in ('1', 'true', 'yes'):
    SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')

# REST framework
REST_FRAMEWORK = {
    'DEFAULT_AUTHENTICATION_CLASSES': [
        'api.authentication.BearerTokenAuthentication',
        'rest_framework.authentication.SessionAuthentication',
    ],
    'DEFAULT_PERMISSION_CLASSES': [
        'rest_framework.permissions.IsAuthenticated',
    ],
    'EXCEPTION_HANDLER': 'api.response.custom_exception_handler',
}

# CORS (for mobile / other origins)
CORS_ALLOW_ALL_ORIGINS = os.environ.get('CORS_ALLOW_ALL_ORIGINS', 'True').lower() in ('1', 'true', 'yes')

# Default primary key field type
# https://docs.djangoproject.com/en/5.2/ref/settings/#default-auto-field

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

# Driver trip status transitions: require lat/lon on PATCH when True
TRIP_STATUS_REQUIRE_GPS = os.environ.get('TRIP_STATUS_REQUIRE_GPS', 'False').lower() in (
    '1', 'true', 'yes',
)
# Reject recorded_at older than this many seconds (when provided)
TRIP_STATUS_MAX_LOCATION_AGE_SECONDS = int(
    os.environ.get('TRIP_STATUS_MAX_LOCATION_AGE_SECONDS', '600')
)

# Weight handling (used for shipment/vehicle compatibility in discovery)
# Discovery compares in a single normalized unit: *tons*.
# If a shipment weight is stored as a bare number (no unit text), this default is used.
WEIGHT_NUMERIC_DEFAULT_UNIT = os.environ.get('WEIGHT_NUMERIC_DEFAULT_UNIT', 'kg').strip().lower()

# Bootstrap from env; superadmin can override via PlatformSettings (DB) on startup.
DEFAULT_WALLET_CURRENCY = os.environ.get('DEFAULT_WALLET_CURRENCY', 'USD').strip().upper()[:3]

# Document expiry reminders (Celery beat + `send_document_expiry_reminders` management command)
DOCUMENT_REMINDER_DAYS = int(os.environ.get('DOCUMENT_REMINDER_DAYS', '31'))
_raw_expiry_reminder_days = os.environ.get('DOCUMENT_EXPIRY_REMINDER_DAYS_BEFORE', '31,7,1')
DOCUMENT_EXPIRY_REMINDER_DAYS_BEFORE = tuple(
    int(part.strip()) for part in _raw_expiry_reminder_days.split(',') if part.strip()
)

# Celery (document expiry reminders and future background jobs)
# Use Redis DB 1 by default so Truck Me does not consume another project's tasks on DB 0.
CELERY_BROKER_URL = os.environ.get('CELERY_BROKER_URL', 'redis://127.0.0.1:6379/1')
CELERY_RESULT_BACKEND = os.environ.get('CELERY_RESULT_BACKEND', CELERY_BROKER_URL)
CELERY_ACCEPT_CONTENT = ['json']
CELERY_TASK_SERIALIZER = 'json'
CELERY_RESULT_SERIALIZER = 'json'
CELERY_TIMEZONE = TIME_ZONE
CELERY_BROKER_CONNECTION_RETRY_ON_STARTUP = True
CELERY_BROKER_CONNECTION_TIMEOUT = float(os.environ.get('CELERY_BROKER_CONNECTION_TIMEOUT', '2'))
from datetime import timedelta  # noqa: E402

CELERY_BEAT_SCHEDULE = {
    'document-expiry-reminders-every-minute': {
        'task': 'accounts.tasks.send_document_expiry_reminders',
        'schedule': timedelta(
            minutes=int(os.environ.get('DOCUMENT_EXPIRY_REMINDER_BEAT_MINUTES', '1')),
        ),
    },
}

# Transporter analytics (`GET /api/transporter/analytics/`)
ANALYTICS_TRANSPORTER_BID_WINDOW_DAYS = int(os.environ.get('ANALYTICS_TRANSPORTER_BID_WINDOW_DAYS', '90'))
ON_TIME_DELIVERY_GRACE_HOURS = int(os.environ.get('ON_TIME_DELIVERY_GRACE_HOURS', '24'))

# Optional FCM when a shipment is published (requires Traccar env in `api/traccar.py`)
NEARBY_LOAD_NOTIFY_RADIUS_KM = float(os.environ.get('NEARBY_LOAD_NOTIFY_RADIUS_KM', '50'))
NEARBY_PUBLISH_NOTIFY_MAX = int(os.environ.get('NEARBY_PUBLISH_NOTIFY_MAX', '50'))

# Navigation helper (`GET .../navigation/`) — straight-line ETA hint only
NAVIGATION_NAIVE_SPEED_KPH = float(os.environ.get('NAVIGATION_NAIVE_SPEED_KPH', '45'))

# POD GPS vs shipment delivery coords (0 = disabled)
POD_MAX_DELIVERY_DISTANCE_KM = float(os.environ.get('POD_MAX_DELIVERY_DISTANCE_KM', '0'))

# Admin dashboard: trips in EN_ROUTE or IN_TRANSIT with no `updated_at` change for this many hours
ADMIN_STALE_TRIP_HOURS = int(os.environ.get('ADMIN_STALE_TRIP_HOURS', '48'))

# Firebase Admin (FCM server send). Path to service account JSON.
from Loadboard.firebase_config import resolve_firebase_credentials_path

FIREBASE_CREDENTIALS_PATH = resolve_firebase_credentials_path(
    os.environ.get('FIREBASE_CREDENTIALS_PATH', ''),
    BASE_DIR,
)

# Firebase web/mobile client config (public keys; override via env in production).
FIREBASE_CLIENT_CONFIG = {
    'apiKey': os.environ.get('FIREBASE_API_KEY', 'AIzaSyCBQEbg1_0yAzy_dJX5zNtQdzIaUlg81v8').strip(),
    'authDomain': os.environ.get('FIREBASE_AUTH_DOMAIN', 'truck-me-29a1f.firebaseapp.com').strip(),
    'projectId': os.environ.get('FIREBASE_PROJECT_ID', 'truck-me-29a1f').strip(),
    'storageBucket': os.environ.get(
        'FIREBASE_STORAGE_BUCKET',
        'truck-me-29a1f.firebasestorage.app',
    ).strip(),
    'messagingSenderId': os.environ.get('FIREBASE_MESSAGING_SENDER_ID', '1008212764790').strip(),
    'appId': os.environ.get(
        'FIREBASE_APP_ID',
        '1:1008212764790:web:eb4155e8fd84cb811bd757',
    ).strip(),
    'measurementId': os.environ.get('FIREBASE_MEASUREMENT_ID', 'G-P3EQV8XZN2').strip(),
}

# Logging: default log file for all API requests, responses, and errors
# tail -f /var/www/html/loadboard/api.log
_log_file = BASE_DIR / 'api.log'
LOGGING = {
    'version': 1,
    'disable_existing_loggers': False,
    'formatters': {
        'default': {
            'format': '%(asctime)s [%(levelname)s] %(message)s',
        },
    },
    'handlers': {
        'api_file': {
            'level': 'DEBUG',
            'class': 'logging.FileHandler',
            'filename': _log_file,
            'formatter': 'default',
        },
    },
    'loggers': {
        'django': {
            'handlers': ['api_file'],
            'level': 'ERROR',
        },
        'django.request': {
            'handlers': ['api_file'],
            'level': 'ERROR',
            'propagate': False,
        },
        'api': {
            'handlers': ['api_file'],
            'level': 'INFO',
            'propagate': False,
        },
    },
}

# Email settings for password reset and notifications
EMAIL_BACKEND = os.environ.get(
    'DJANGO_EMAIL_BACKEND',
    'django.core.mail.backends.console.EmailBackend' if DEBUG else '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 ('1', 'true', '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', 'no-reply@truckme.com')