import os

# Base paths
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
DATA_DIR = os.path.join(BASE_DIR, "data")
DOCS_DIR = os.path.join(DATA_DIR, "documents")
INDEX_DIR = os.path.join(DATA_DIR, "indexes")
CACHE_DIR = os.path.join(DATA_DIR, "cache")
OUTPUT_DIR = os.path.join(BASE_DIR, "output")

# Create directories
for d in [DATA_DIR, DOCS_DIR, INDEX_DIR, CACHE_DIR, OUTPUT_DIR]:
    os.makedirs(d, exist_ok=True)

# Embedding settings
EMBEDDING_MODEL_NAME = "BAAI/bge-large-zh-v1.5"
EMBEDDING_DIMENSION = 1024
EMBEDDING_BATCH_SIZE = 32

# LLM settings
LLM_MODEL_NAME = "gpt-4o"
LLM_TEMPERATURE = 0.1
LLM_MAX_TOKENS = 4096

# Chunk settings
CHUNK_SIZE = 512
CHUNK_OVERLAP = 50

# Vector store settings
VECTOR_STORE_TYPE = "faiss"
FAISS_INDEX_PATH = os.path.join(INDEX_DIR, "faiss_index")
CHROMA_PERSIST_PATH = os.path.join(INDEX_DIR, "chroma_db")

# Reranking settings
RERANK_MODEL_NAME = "BAAI/bge-reranker-large"
RERANK_TOP_K = 5

# Retrieval settings
RETRIEVAL_TOP_K = 10
HYBRID_SEARCH_WEIGHT = 0.5

# HyDE settings
HYDE_GENERATION_MODEL = "gpt-4o"
HYDE_NUM_HYPOTHESES = 3

# Self-RAG settings
SELF_RAG_RELEVANCE_THRESHOLD = 0.7
SELF_RAG_SUPPORT_THRESHOLD = 0.6
SELF_RAG_USEFULNESS_THRESHOLD = 0.7

# CRAG settings
CRAG_CORRECTNESS_THRESHOLD = 0.7
CRAG_MAX_WEB_RESULTS = 5

# RAPTOR settings
RAPTOR_MAX_CLUSTERS = 50
RAPTOR_SUMMARY_LENGTH = 256

# Bidding field extraction
BID_FIELDS = [
    "project_name", "project_code", "budget_amount", "currency",
    "bid_deadline", "bid_open_time", "bid_location",
    "purchaser_name", "purchaser_contact", "purchaser_phone",
    "agency_name", "agency_contact", "agency_phone",
    "qualification_requirements", "bid_bond_amount",
    "performance_bond_amount", "warranty_period",
    "delivery_time", "delivery_location", "payment_terms",
    "evaluation_method", "scope_of_work"
]

# Bidding domain specific prompts
BID_EXTRACTION_PROMPT = """你是一个招投标领域的专家。请根据提供的文档内容，提取以下字段信息：

{fields}

文档内容：
{context}

请以JSON格式返回提取结果。如果某个字段无法从文档中提取，请返回null。
"""

# Logging settings
LOG_LEVEL = "INFO"
LOG_FORMAT = "<green>{time:YYYY-MM-DD HH:mm:ss}</green> | <level>{level: <8}</level> | <cyan>{name}</cyan>:<cyan>{function}</cyan>:<cyan>{line}</cyan> - <level>{message}</level>"