import json
import logging
import time
from pathlib import Path
from tool_agent.models import ToolMeta, ToolStatus
from tool_agent.tool.tool_store import PostgreSQLToolStore

logging.basicConfig(level=logging.INFO, format='%(message)s')

def migrate():
    print("=" * 50)
    print(" 开始迁移数据：registry.json -> PostgreSQL Tool Store")
    print("=" * 50)
    
    try:
        store = PostgreSQLToolStore()
    except Exception as e:
        print(f"Failed to connect to database: {e}")
        return

    # Check for legacy groups
    groups_path = Path("data/groups.json")
    group_map = {}
    if groups_path.exists():
        try:
            gdata = json.loads(groups_path.read_text(encoding="utf-8"))
            for g in gdata.get("groups", []):
                # Clean up group names if they represent providers
                # e.g. runcomfy_lifecycle -> runcomfy
                g_id = g.get("group_id", "")
                provider_name = g_id.replace("_lifecycle", "").replace("_task", "")
                group_map[g_id] = provider_name
                
                # Create tools mapping based on old groupings
                for t_id in g.get("tool_ids", []):
                    # We'll use this if registry doesn't have it directly populated
                    pass
        except Exception:
            pass

    registry_path = Path("data/registry.json")
    if not registry_path.exists():
        print("找不到 data/registry.json 文件，无法迁移。")
        return

    data = json.loads(registry_path.read_text(encoding="utf-8"))
    
    tools_migrated = 0
    for item in data.get("tools", []):
        try:
            tool = ToolMeta(**item)
            
            # Map ToolStatus to Postgres string
            status_str = "已接入" if tool.status == ToolStatus.ACTIVE else "未接入"
            
            # Legacy groups serve as providers now
            provider_ids = []
            for gid in tool.group_ids:
                mapped_pid = group_map.get(gid, gid)
                if mapped_pid not in provider_ids:
                    provider_ids.append(mapped_pid)
                    
            # 兼容性：自动推断一些已知的裸工具 Provider
            if not provider_ids:
                if "liblib" in tool.tool_id.lower():
                    provider_ids.append("liblib")
                elif "flux" in tool.tool_id.lower():
                    provider_ids.append("flux")
            
            tool_dict = {
                "id": tool.tool_id,
                "name": tool.name,
                "version": "1.0.0",
                "introduction": tool.description,
                "tutorial": "",
                "input": tool.input_schema,
                "output": tool.output_schema,
                "updated_time": int(time.time()),
                "status": status_str,
                "provider_ids": provider_ids,
            }
            
            store.insert_or_update(tool_dict)
            print(f"[SUCCESS] 迁移工具: {tool.tool_id} (Provider: {provider_ids})")
            tools_migrated += 1
            
        except Exception as e:
            print(f"[ERROR] 工具 {item.get('tool_id')} 迁移失败: {e}")
            
    store.close()
    print("=" * 50)
    print(f" 迁移完成！共成功处理 {tools_migrated} 个工具。")
    print(" 现在的 tool_provider 关系表已经建立，可直接从数据库加载！")
    print("=" * 50)

if __name__ == "__main__":
    migrate()