# Database Configuration
# SQLite (推荐，默认): 单文件数据库，部署简单
DATABASE_URL=sqlite+aiosqlite:///./qquiz.db

# MySQL (可选): 适合高并发场景
# For Docker: mysql+aiomysql://qquiz:qquiz_password@mysql:3306/qquiz_db
# For Local: mysql+aiomysql://qquiz:qquiz_password@localhost:3306/qquiz_db
# DATABASE_URL=mysql+aiomysql://qquiz:qquiz_password@localhost:3306/qquiz_db

# JWT Secret (must be at least 32 characters; generate randomly for production)
SECRET_KEY=

# Default admin username (must be at least 3 characters; default: admin)
ADMIN_USERNAME=admin

# Default admin password (must be at least 12 characters; generate randomly for production)
ADMIN_PASSWORD=

# AI Provider Configuration
AI_PROVIDER=gemini
# Options: gemini (推荐), openai, anthropic, qwen
# 推荐 Gemini：支持原生 PDF 理解，完整保留图片、表格、公式

# Google Gemini Configuration (推荐)
GEMINI_API_KEY=AIza-your-gemini-api-key
GEMINI_BASE_URL=https://generativelanguage.googleapis.com
# GEMINI_BASE_URL 可选，留空使用默认。如需使用代理或 Key 轮训服务，可配置自定义地址
GEMINI_MODEL=gemini-2.0-flash-exp
# 获取 API Key: https://aistudio.google.com/apikey (免费额度充足)

# OpenAI Configuration (仅文本，PDF会丢失格式)
OPENAI_API_KEY=sk-your-openai-api-key
OPENAI_BASE_URL=https://api.openai.com/v1
OPENAI_MODEL=gpt-4o-mini

# Anthropic Configuration (仅文本，PDF会丢失格式)
ANTHROPIC_API_KEY=sk-ant-your-anthropic-api-key
ANTHROPIC_MODEL=claude-3-haiku-20240307

# Qwen Configuration (仅文本，PDF会丢失格式)
QWEN_API_KEY=sk-your-qwen-api-key
QWEN_BASE_URL=https://dashscope.aliyuncs.com/compatible-mode/v1
QWEN_MODEL=qwen-plus

# System Configuration
ALLOW_REGISTRATION=true
MAX_UPLOAD_SIZE_MB=10
MAX_DAILY_UPLOADS=20

# CORS Origins (comma-separated)
CORS_ORIGINS=http://localhost:3000,http://127.0.0.1:3000

# Upload Directory
UPLOAD_DIR=./uploads