import os
from pathlib import Path
from decouple import config, Csv

# --------------------------------------------------
# BASE DIRECTORY
# --------------------------------------------------
BASE_DIR = Path(__file__).resolve().parent.parent


# --------------------------------------------------
# SECURITY
# --------------------------------------------------
SECRET_KEY = config('SECRET_KEY')

DEBUG = config('DEBUG', default=False, cast=bool)

ALLOWED_HOSTS = config(
    'ALLOWED_HOSTS',
    default='api.kctcomputereducations.com',
    cast=Csv()
)


# --------------------------------------------------
# APPLICATIONS
# --------------------------------------------------
INSTALLED_APPS = [
    'jazzmin',
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',

    # Third-party
    'rest_framework',
    'corsheaders',

    # Local apps
    'contact_mail',
    'training',
    'blogs',
    'testimonials',
]


# --------------------------------------------------
# MIDDLEWARE
# --------------------------------------------------
MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'whitenoise.middleware.WhiteNoiseMiddleware',

    'corsheaders.middleware.CorsMiddleware',
    'django.middleware.common.CommonMiddleware',

    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]


# --------------------------------------------------
# CORS CONFIGURATION
# --------------------------------------------------
CORS_ALLOWED_ORIGINS = [
    "https://kctcomputereducations.com",
    "https://www.kctcomputereducations.com",
    "http://localhost:5173",
]

CORS_ALLOW_CREDENTIALS = True


# --------------------------------------------------
# URL / WSGI
# --------------------------------------------------
ROOT_URLCONF = 'backend.urls'

WSGI_APPLICATION = 'backend.wsgi.application'


# --------------------------------------------------
# TEMPLATES
# --------------------------------------------------
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',
            ],
        },
    },
]


# --------------------------------------------------
# DATABASE (SQLite – OK for cPanel)
# --------------------------------------------------
DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': BASE_DIR / 'db.sqlite3',
    }
}


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

STATICFILES_STORAGE = 'whitenoise.storage.CompressedManifestStaticFilesStorage'


# --------------------------------------------------
# MEDIA FILES
# --------------------------------------------------
MEDIA_URL = '/media/'
MEDIA_ROOT = BASE_DIR / 'media'


# --------------------------------------------------
# DEFAULT PRIMARY KEY
# --------------------------------------------------
DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'


# --------------------------------------------------
# EMAIL CONFIGURATION
# --------------------------------------------------
EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
EMAIL_HOST = config('EMAIL_HOST')
EMAIL_PORT = config('EMAIL_PORT', cast=int)
EMAIL_USE_SSL = config('EMAIL_USE_SSL', cast=bool)
EMAIL_USE_TLS = config('EMAIL_USE_TLS', cast=bool)
EMAIL_HOST_USER = config('EMAIL_HOST_USER')
EMAIL_HOST_PASSWORD = config('EMAIL_HOST_PASSWORD')

DEFAULT_FROM_EMAIL = config('DEFAULT_FROM_EMAIL')
CONTACT_RECIPIENT_EMAIL = config('CONTACT_RECIPIENT_EMAIL')