#!/usr/bin/env python3
"""
金融文档处理统一入口
支持银行流水和财务报表两种场景
"""

import argparse
import json
import sys
from pathlib import Path
from loguru import logger

# 添加项目根目录到 Python 路径
project_root = Path(__file__).parents[1]
if str(project_root) not in sys.path:
    sys.path.insert(0, str(project_root))
from core.pipeline_manager import FinancialDocPipeline
from universal_doc_parser.utils import OutputFormatter

from dotenv import load_dotenv
load_dotenv(override=True)  # 加载环境变量

def setup_logging(log_level: str = "INFO"):
    """设置日志"""
    logger.remove()  # 移除默认处理器
    logger.add(sys.stdout, level=log_level, 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>")

def main():
    parser = argparse.ArgumentParser(description="金融文档处理工具")
    parser.add_argument("--input", "-i", required=True, help="输入文档路径")
    parser.add_argument("--config", "-c", required=True, help="配置文件路径") 
    parser.add_argument("--output_dir", "-o", default="./output", help="输出目录")
    parser.add_argument("--scene", "-s", choices=["bank_statement", "financial_report"], 
                       help="场景类型（会覆盖配置文件中的设置）")
    parser.add_argument("--log_level", default="INFO", choices=["DEBUG", "INFO", "WARNING", "ERROR"],
                       help="日志级别")
    parser.add_argument("--dry_run", action="store_true", help="仅验证配置，不执行处理")
    
    args = parser.parse_args()
    
    # 设置日志
    setup_logging(args.log_level)
    
    # 验证输入文件
    input_path = Path(args.input)
    if not input_path.exists():
        logger.error(f"❌ Input file not found: {input_path}")
        return 1
    
    # 验证配置文件
    config_path = Path(args.config)
    if not config_path.exists():
        logger.error(f"❌ Config file not found: {config_path}")
        return 1
    
    try:
        # 初始化处理流水线
        with FinancialDocPipeline(str(config_path)) as pipeline:
            
            # 如果命令行指定了场景，覆盖配置文件
            if args.scene:
                pipeline.scene_name = args.scene
                logger.info(f"🔄 Scene overridden to: {args.scene}")
                
            logger.info(f"🚀 开始处理文档: {input_path}")
            logger.info(f"📋 使用场景配置: {pipeline.scene_name}")
            logger.info(f"📁 输出目录: {args.output_dir}")
            
            # 仅验证模式
            if args.dry_run:
                logger.info("✅ Dry run completed - configuration is valid")
                return 0
            
            # 处理文档
            results = pipeline.process_document(str(input_path))
            
            # 格式化输出
            logger.info("💾 Saving results...")
            formatter = OutputFormatter(args.output_dir)
            output_paths = formatter.save_results(results, pipeline.config['output'])
            
            logger.info(f"✅ 处理完成，结果保存至: {output_paths}")
            
            # 打印关键统计信息
            _print_summary(results)
            
            return 0
            
    except KeyboardInterrupt:
        logger.warning("⚠️ Process interrupted by user")
        return 1
        
    except Exception as e:
        logger.error(f"❌ Processing failed: {e}")
        if args.log_level == "DEBUG":
            logger.exception("Full traceback:")
        return 1

def _print_summary(results: dict):
    """打印处理结果摘要"""
    total_pages = len(results['pages'])
    total_tables = sum(
        len([e for e in page['elements'] if e.get('type') == 'table']) 
        for page in results['pages']
    )
    total_text_blocks = sum(
        len([e for e in page['elements'] if e.get('type') in ['text', 'title', 'ocr_text']]) 
        for page in results['pages']
    )
    total_formulas = sum(
        len([e for e in page['elements'] if e.get('type') == 'formula']) 
        for page in results['pages']
    )
    
    print(f"\n📊 处理摘要:")
    print(f"   📄 文档: {results['document_path']}")
    print(f"   🎯 场景类型: {results['scene']}")
    print(f"   📖 页面数量: {total_pages}")
    print(f"   📋 表格数量: {total_tables}")
    print(f"   📝 文本块数量: {total_text_blocks}")
    print(f"   🧮 公式数量: {total_formulas}")
    
if __name__ == "__main__":
    if len(sys.argv) == 1:
        # 如果没有命令行参数，使用默认配置运行
        print("ℹ️  No command line arguments provided. Running with default configuration...")
        
        # 默认配置
        default_config = {
            "input": "/Users/zhch158/workspace/data/流水分析/B用户_扫描流水/PaddleOCR_VL_Results/B用户_扫描流水/B用户_扫描流水_page_022.png",
            "output_dir": "./output/bank_statement_enhanced",
            "config": "./config/bank_statement_enhanced.yaml",
            "scene": "bank_statement",
            "log_level": "DEBUG",
        }
        
        # 构造参数
        sys.argv = [sys.argv[0]]
        for key, value in default_config.items():
            sys.argv.extend([f"--{key}", str(value)])
        
    sys.exit(main())