import os
from pathlib import Path
from datetime import timedelta
from dotenv import load_dotenv

load_dotenv()

BASE_DIR = Path(__file__).resolve().parent.parent.parent

SECRET_KEY = os.getenv('SECRET_KEY', 'django-insecure-change-me-in-production')
ALLOWED_HOSTS = os.getenv('ALLOWED_HOSTS', '127.0.0.1,localhost').split(',')

INSTALLED_APPS = [
    'jazzmin',
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'rest_framework',
    'rest_framework_simplejwt',
    'rest_framework_simplejwt.token_blacklist',
    'corsheaders',
    'apps.accounts',
    'apps.events',
    'apps.attendance',
    'apps.registration',
    'apps.apparel',
    'apps.feedback',
    'apps.raffle',
    'apps.motion_secondment',
    'apps.cpd',
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'corsheaders.middleware.CorsMiddleware',
    '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 = 'config.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 = 'config.wsgi.application'

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'},
]

LANGUAGE_CODE = 'en-us'
TIME_ZONE = 'Africa/Lusaka'
USE_I18N = True
USE_TZ = True

STATIC_URL = '/static/'
STATIC_ROOT = BASE_DIR / 'staticfiles'
STATICFILES_DIRS = [BASE_DIR / 'static']

MEDIA_URL = '/media/'
MEDIA_ROOT = BASE_DIR / 'media'

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

LOGIN_URL = '/admin/login/'

REST_FRAMEWORK = {
    'DEFAULT_AUTHENTICATION_CLASSES': [
        'rest_framework_simplejwt.authentication.JWTAuthentication',
    ],
    'DEFAULT_PERMISSION_CLASSES': [
        'rest_framework.permissions.IsAuthenticated',
    ],
    'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.PageNumberPagination',
    'PAGE_SIZE': 20,
    'DEFAULT_RENDERER_CLASSES': [
        'rest_framework.renderers.JSONRenderer',
    ],
}

SIMPLE_JWT = {
    'ACCESS_TOKEN_LIFETIME': timedelta(hours=int(os.getenv('JWT_ACCESS_TOKEN_LIFETIME_HOURS', 8))),
    'REFRESH_TOKEN_LIFETIME': timedelta(days=int(os.getenv('JWT_REFRESH_TOKEN_LIFETIME_DAYS', 7))),
    'ROTATE_REFRESH_TOKENS': True,
    'BLACKLIST_AFTER_ROTATION': True,
    'AUTH_HEADER_TYPES': ('Bearer',),
}

CORS_ALLOWED_ORIGINS = os.getenv('CORS_ALLOWED_ORIGINS', 'http://localhost:3000').split(',')
CORS_ALLOW_CREDENTIALS = True

EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
EMAIL_HOST = os.getenv('EMAIL_HOST', 'smtp.office365.com')
EMAIL_PORT = int(os.getenv('EMAIL_PORT', 587))
EMAIL_USE_TLS = os.getenv('EMAIL_USE_TLS', 'True') == 'True'
EMAIL_HOST_USER = os.getenv('EMAIL_HOST_USER', '')
EMAIL_HOST_PASSWORD = os.getenv('EMAIL_HOST_PASSWORD', '')
DEFAULT_FROM_EMAIL = os.getenv('DEFAULT_FROM_EMAIL', EMAIL_HOST_USER)

# External EMS API integration
EMS_API_BASE_URL = os.getenv('EMS_API_BASE_URL', '')
EMS_API_USERNAME = os.getenv('EMS_API_USERNAME', '')
EMS_API_PASSWORD = os.getenv('EMS_API_PASSWORD', '')

JAZZMIN_SETTINGS = {
    'site_title': 'ICTAZ Smart Register',
    'site_brand': 'ICTAZ Smart Register',
    'site_header': 'ICTAZ Smart Register',
    'site_logo': 'images/ictaz-white.png',
    'login_logo': 'images/ictaz-blue.png',
    'login_logo_dark': None,
    'site_logo_classes': 'img-circle',
    'welcome_sign': 'Welcome to ICTAZ Smart Register',
    'copyright': 'ICTAZ',
    'related_modal_active': False,
    'show_ui_builder': False,
    'navigation_expanded': True,
    'custom_css': 'css/jazzmin_custom.css',
    'icons': {
        'auth': 'fas fa-users-cog',
        'auth.user': 'fas fa-user',
        'auth.Group': 'fas fa-users',
        'apps.attendance.RegisteredMember': 'fas fa-user-check',
        'apps.attendance.AttendanceRecord': 'fas fa-clipboard-check',
        'apps.events.Event': 'fas fa-calendar-alt',
        'apps.feedback.Feedback': 'fas fa-comments',
        'apps.raffle.RaffleEvent': 'fas fa-random',
        'apps.raffle.RaffleEntry': 'fas fa-ticket-alt',
        'apps.motion_secondment.MotionEvent': 'fas fa-vote-yea',
        'apps.motion_secondment.MotionVote': 'fas fa-check-square',
        'apps.apparel.ApparelItem': 'fas fa-tshirt',
        'apps.registration.Registration': 'fas fa-file-alt',
    },
    'topmenu_links': [
        {'name': 'Home', 'url': 'admin:index', 'permissions': ['auth.view_user']},
    ],
}