"""
Django settings for ojplatform project.
"""

import os
from pathlib import Path

from dotenv import load_dotenv

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

load_dotenv(BASE_DIR / ".env")

SECRET_KEY = os.getenv("SECRET_KEY", "django-insecure-dev-only-change-me")

DEBUG = os.getenv("DEBUG", "true").lower() in ("1", "true", "yes")

ALLOWED_HOSTS = os.getenv("ALLOWED_HOSTS", "*").split(",")


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',
    'requirements',
    'submissions',
    'web',
]

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 = 'ojplatform.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',
            ],
        },
    },
]

WSGI_APPLICATION = 'ojplatform.wsgi.application'

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': BASE_DIR / 'db.sqlite3',
    }
}

AUTH_PASSWORD_VALIDATORS = [
    {'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator'},
]

LANGUAGE_CODE = 'zh-hans'
TIME_ZONE = 'Asia/Shanghai'
USE_I18N = True
USE_TZ = True

STATIC_URL = 'static/'
MEDIA_URL = 'media/'
MEDIA_ROOT = BASE_DIR / 'media'

REST_FRAMEWORK = {
    'DEFAULT_AUTHENTICATION_CLASSES': [
        'rest_framework.authentication.SessionAuthentication',
        'rest_framework.authentication.TokenAuthentication',
    ],
    'DEFAULT_PERMISSION_CLASSES': [
        'rest_framework.permissions.IsAuthenticated',
    ],
    'UNAUTHENTICATED_USER': 'django.contrib.auth.models.AnonymousUser',
}

CORS_ALLOW_ALL_ORIGINS = DEBUG

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

# LLM 配置: default 模式(全局, .env) / custom 模式(每次请求自带)
LLM_MODE = os.getenv("LLM_MODE", "default")          # default | custom
LLM_BASE_URL = os.getenv("LLM_BASE_URL", "http://100.69.1.2:8001/v1")
LLM_API_KEY = os.getenv("LLM_API_KEY", "")
LLM_MODEL = os.getenv("LLM_MODEL", "qwen38")

# 检测执行配置
WORKSPACE_DIR = BASE_DIR / "workspace"
MAX_UPLOAD_SIZE_MB = int(os.getenv("MAX_UPLOAD_SIZE_MB", "200"))
STABILITY_BASE_DURATION = int(os.getenv("STABILITY_BASE_DURATION", "30"))
STABILITY_RAMPUP_DURATION = int(os.getenv("STABILITY_RAMPUP_DURATION", "60"))
STABILITY_CONCURRENCY = int(os.getenv("STABILITY_CONCURRENCY", "20"))