# =============================================================================
# CookHero Environment Variables
# =============================================================================
# This file contains all environment variables for the CookHero application.
# Copy this file to .env and fill in the actual values.
#
# IMPORTANT: Never commit the .env file to version control!
# =============================================================================

# =============================================================================
# 1. LLM API Configuration
# =============================================================================
# API keys for LLM providers. Keys are loaded from .env, never hardcoded.

# Primary LLM API Key (used by normal tier models)
# Required for main response generation
LLM_API_KEY=sk-your-primary-api-key-here

# Fast Model API Key (used by fast tier models)
# Falls back to LLM_API_KEY if not set
FAST_LLM_API_KEY=sk-your-fast-model-api-key-here

# Vision/Multimodal API Key (for image analysis)
VISION_API_KEY=sk-your-vision-model-api-key-here

# Reranker API Key (for result reranking)
RERANKER_API_KEY=sk-your-reranker-api-key-here

# =============================================================================
# 2. Web Search Configuration
# =============================================================================
# You.com API Key - Get from https://ydc-index.io/
# Used for both Search and Deep Research (replaces Tavily)
YOUCOM_API_KEY=ydc-your-youcom-api-key-here

# =============================================================================
# 3. Image Generation Configuration
# =============================================================================
# OpenAI API Key for DALL-E 3 image generation
OPENAI_IMAGE_API_KEY=sk-your-openai-api-key-here

# =============================================================================
# 4. MCP (Model Context Protocol) Configuration
# =============================================================================
# Amap (高德地图) API Key - Get from https://console.amap.com/
AMAP_API_KEY=your-amap-api-key-here

# =============================================================================
# 5. Database Configuration
# =============================================================================
DATABASE_PASSWORD=your-secure-postgres-password-here
REDIS_PASSWORD=your-redis-password-here
MILVUS_USER=root
MILVUS_PASSWORD=your-milvus-password-here

# =============================================================================
# 6. Security & Authentication
# =============================================================================
JWT_SECRET_KEY=your-jwt-secret-key-must-be-at-least-32-characters
JWT_ALGORITHM=HS256
ACCESS_TOKEN_EXPIRE_MINUTES=60
REFRESH_TOKEN_EXPIRE_DAYS=7

# =============================================================================
# 7. Rate Limiting Configuration
# =============================================================================
RATE_LIMIT_ENABLED=false
RATE_LIMIT_LOGIN_PER_MINUTE=5
RATE_LIMIT_CONVERSATION_PER_MINUTE=30
RATE_LIMIT_GLOBAL_PER_MINUTE=100

# =============================================================================
# 8. Account Security Configuration
# =============================================================================
LOGIN_MAX_FAILED_ATTEMPTS=5
LOGIN_LOCKOUT_MINUTES=15
MAX_MESSAGE_LENGTH=10000
MAX_IMAGE_SIZE_MB=5
PROMPT_GUARD_ENABLED=true