import os
from pathlib import Path
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

# 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('SECRET_KEY')

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

ALLOWED_HOSTS = os.getenv('ALLOWED_HOSTS', '').split(',') if os.getenv('ALLOWED_HOSTS') else []

# Application definition

INSTALLED_APPS = [
    'home',
    'blogs',
    'projects',
    'about',
    'contact',
    'wagtail.contrib.forms',
    'wagtail_modeladmin',  # Standalone package
    'wagtail.contrib.redirects',
    'wagtail.contrib.sitemaps',  # Wagtail sitemaps
    'wagtail.embeds',
    'wagtail.sites',
    'wagtail.users',
    'wagtail.snippets',
    'wagtail.documents',
    'wagtail.images',
    'wagtail.search',
    'wagtail.admin',
    'wagtail',
    'taggit',
    'modelcluster',
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'django.contrib.sitemaps',  # Django sitemaps
]

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 = 'main.urls'

# Wagtail settings
WAGTAIL_SITE_NAME = os.getenv('WAGTAIL_SITE_NAME', 'Patrick Mwila')

# Base URL to use when referring to full URLs within the Wagtail admin backend -
# e.g. in notification emails. Don't include '/admin' or a trailing slash
WAGTAILADMIN_BASE_URL = os.getenv('BASE_URL', 'https://patrickmwila.org')

# Wagtail image optimization
WAGTAILIMAGES_IMAGE_MODEL = 'wagtailimages.Image'
WAGTAILIMAGES_FORMAT_CONVERSIONS = {
    'jpeg': 'webp',
    'png': 'webp',
}

# Wagtail search
WAGTAILSEARCH_BACKENDS = {
    'default': {
        'BACKEND': 'wagtail.search.backends.database',
    }
}

# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/5.2/howto/static-files/
STATIC_URL = '/static/'
STATICFILES_DIRS = [
    BASE_DIR / "static",
]

# Static root for production
STATIC_ROOT = os.path.join(BASE_DIR, 'staticfiles')

# Media files
MEDIA_URL = '/media/'
MEDIA_ROOT = os.path.join(BASE_DIR, 'media')

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [os.path.join(BASE_DIR, 'home/templates')],
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
                'home.context_processors.analytics.google_analytics',
            ],
        },
    },
]

WSGI_APPLICATION = 'main.wsgi.application'

# Database
# https://docs.djangoproject.com/en/5.2/ref/settings/#databases

# Use SQLite for development (DEBUG=True) and MySQL for production (DEBUG=False)
if DEBUG:  # Development environment
    DATABASES = {
        'default': {
            'ENGINE': 'django.db.backends.sqlite3',
            'NAME': BASE_DIR / 'db.sqlite3',
        }
    }
else:  # Production environment
    DATABASES = {
        'default': {
            'ENGINE': os.getenv('DB_ENGINE', 'django.db.backends.mysql'),
            'NAME': os.getenv('DB_NAME', 'db_pcms'),
            'USER': os.getenv('DB_USER', 'patrickmwila'),
            'PASSWORD': os.getenv('DB_PASSWORD', ''),
            'HOST': os.getenv('DB_HOST', 'localhost'),
            'PORT': os.getenv('DB_PORT', '3306'),
            'OPTIONS': {
                'init_command': "SET time_zone = 'Africa/Lusaka';",
                'charset': 'utf8mb4',
            }
        }
    }

# 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/'
MEDIA_URL = '/media/'
MEDIA_ROOT = BASE_DIR / "static/wagtail/media"

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

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'