#!/usr/bin/env python3
"""
迁移 SQLite resources 表中的 tool 数据到 PostgreSQL tool_table
"""

import os
import json
import sqlite3
import psycopg2
from psycopg2.extras import RealDictCursor
from dotenv import load_dotenv
from datetime import datetime

load_dotenv()

def migrate_tools():
    # 连接 SQLite
    sqlite_conn = sqlite3.connect('/root/Agent/knowhub/knowhub.db')
    sqlite_conn.row_factory = sqlite3.Row
    sqlite_cur = sqlite_conn.cursor()

    # 连接 PostgreSQL
    pg_conn = psycopg2.connect(
        host=os.getenv('KNOWHUB_DB'),
        port=int(os.getenv('KNOWHUB_PORT', 5432)),
        user=os.getenv('KNOWHUB_USER'),
        password=os.getenv('KNOWHUB_PASSWORD'),
        database=os.getenv('KNOWHUB_DB_NAME')
    )
    pg_conn.autocommit = False
    pg_cur = pg_conn.cursor(cursor_factory=RealDictCursor)

    # 读取所有 tool 类型数据
    sqlite_cur.execute("SELECT * FROM resources WHERE content_type='tool';")
    tools = sqlite_cur.fetchall()

    print(f"找到 {len(tools)} 条 tool 数据")

    success = 0
    failed = 0

    for tool in tools:
        try:
            metadata = json.loads(tool['metadata']) if tool['metadata'] else {}

            # 转换时间戳
            updated_time = None
            if tool['updated_at']:
                dt = datetime.fromisoformat(tool['updated_at'].replace('+00:00', ''))
                updated_time = int(dt.timestamp())

            # 插入数据
            pg_cur.execute("""
                INSERT INTO tool_table (
                    id, name, version, introduction, tutorial, input, output,
                    updated_time, status, knowledge, case_knowledge, process_knowledge
                ) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)
                ON CONFLICT (id) DO UPDATE SET
                    name = EXCLUDED.name,
                    version = EXCLUDED.version,
                    introduction = EXCLUDED.introduction,
                    tutorial = EXCLUDED.tutorial,
                    input = EXCLUDED.input,
                    output = EXCLUDED.output,
                    updated_time = EXCLUDED.updated_time,
                    status = EXCLUDED.status,
                    knowledge = EXCLUDED.knowledge
            """, (
                tool['id'],
                metadata.get('tool_name'),
                metadata.get('version'),
                metadata.get('description'),
                metadata.get('usage'),
                json.dumps(metadata.get('input')) if metadata.get('input') else None,
                json.dumps(metadata.get('output')) if metadata.get('output') else None,
                updated_time,
                metadata.get('status', '未接入'),
                json.dumps(metadata.get('knowledge_ids', [])),
                json.dumps([]),
                json.dumps([])
            ))
            success += 1
        except Exception as e:
            print(f"❌ 迁移失败 {tool['id']}: {e}")
            failed += 1

    pg_conn.commit()
    print(f"\n✅ 迁移完成: 成功 {success} 条, 失败 {failed} 条")

    sqlite_conn.close()
    pg_conn.close()

if __name__ == "__main__":
    migrate_tools()