#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
清空用户微信绑定脚本
用于将ai_users表中指定用户的wechat_openid字段清空
"""

import sys
from database_config import db_manager

def clear_wechat_binding(user_identifier):
    """
    清空用户的微信绑定
    
    Args:
        user_identifier: 用户标识，可以是用户ID、用户名或手机号
    
    Returns:
        bool: 操作是否成功
    """
    conn = None
    cursor = None
    
    try:
        conn = db_manager.get_connection()
        cursor = conn.cursor()
        
        # 首先查询用户信息
        query_sql = """
            SELECT id, username, real_name, phone, wechat_openid 
            FROM ai_users 
            WHERE id = %s OR username = %s OR phone = %s
        """
        cursor.execute(query_sql, (user_identifier, user_identifier, user_identifier))
        user = cursor.fetchone()
        
        if not user:
            print(f"❌ 未找到用户: {user_identifier}")
            return False
        
        # 从字典中获取值
        user_id = user['id']
        username = user['username']
        real_name = user['real_name']
        phone = user['phone']
        wechat_openid = user['wechat_openid']
        
        # 显示用户信息
        print("\n" + "="*60)
        print("📋 找到用户信息:")
        print("="*60)
        print(f"  用户ID: {user_id}")
        print(f"  用户名: {username}")
        print(f"  真实姓名: {real_name or '未设置'}")
        print(f"  手机号: {phone or '未设置'}")
        print(f"  微信OpenID: {wechat_openid or '未绑定'}")
        print("="*60)
        
        # 如果已经没有绑定，直接返回
        if not wechat_openid:
            print("\n✅ 该用户未绑定微信，无需清空")
            return True
        
        # 确认操作
        confirm = input(f"\n⚠️  确认要清空用户 [{username}] 的微信绑定吗？(yes/no): ")
        if confirm.lower() not in ['yes', 'y', '是']:
            print("\n❌ 操作已取消")
            return False
        
        # 清空微信绑定
        update_sql = """
            UPDATE ai_users 
            SET wechat_openid = NULL,
                updated_at = NOW()
            WHERE id = %s
        """
        cursor.execute(update_sql, (user_id,))
        conn.commit()
        
        print("\n" + "="*60)
        print("✅ 微信绑定已成功清空！")
        print("="*60)
        print(f"  用户ID: {user_id}")
        print(f"  用户名: {username}")
        print(f"  操作: wechat_openid 已设置为 NULL")
        print("="*60)
        
        return True
        
    except Exception as e:
        if conn:
            conn.rollback()
        print(f"\n❌ 操作失败: {e}")
        import traceback
        traceback.print_exc()
        return False
        
    finally:
        if cursor:
            cursor.close()
        if conn:
            conn.close()


def clear_wechat_binding_batch(user_identifiers):
    """
    批量清空多个用户的微信绑定
    
    Args:
        user_identifiers: 用户标识列表
    
    Returns:
        tuple: (成功数量, 失败数量)
    """
    success_count = 0
    fail_count = 0
    
    print("\n" + "█"*60)
    print(f"🔄 开始批量清空微信绑定 - 共 {len(user_identifiers)} 个用户")
    print("█"*60)
    
    for identifier in user_identifiers:
        print(f"\n处理用户: {identifier}")
        if clear_wechat_binding_silent(identifier):
            success_count += 1
        else:
            fail_count += 1
    
    print("\n" + "█"*60)
    print("📊 批量操作完成")
    print("█"*60)
    print(f"  ✅ 成功: {success_count} 个")
    print(f"  ❌ 失败: {fail_count} 个")
    print("█"*60)
    
    return success_count, fail_count


def clear_wechat_binding_silent(user_identifier):
    """
    静默模式清空用户的微信绑定（无需确认）
    
    Args:
        user_identifier: 用户标识
    
    Returns:
        bool: 操作是否成功
    """
    conn = None
    cursor = None
    
    try:
        conn = db_manager.get_connection()
        cursor = conn.cursor()
        
        # 查询用户
        query_sql = """
            SELECT id, username, wechat_openid 
            FROM ai_users 
            WHERE id = %s OR username = %s OR phone = %s
        """
        cursor.execute(query_sql, (user_identifier, user_identifier, user_identifier))
        user = cursor.fetchone()
        
        if not user:
            print(f"  ❌ 未找到用户")
            return False
        
        # 从字典中获取值
        user_id = user['id']
        username = user['username']
        wechat_openid = user['wechat_openid']
        
        if not wechat_openid:
            print(f"  ℹ️  用户 [{username}] 未绑定微信")
            return True
        
        # 清空微信绑定
        update_sql = """
            UPDATE ai_users 
            SET wechat_openid = NULL,
                updated_at = NOW()
            WHERE id = %s
        """
        cursor.execute(update_sql, (user_id,))
        conn.commit()
        
        print(f"  ✅ 用户 [{username}] 微信绑定已清空")
        return True
        
    except Exception as e:
        if conn:
            conn.rollback()
        print(f"  ❌ 操作失败: {e}")
        return False
        
    finally:
        if cursor:
            cursor.close()
        if conn:
            conn.close()


def list_users_with_wechat():
    """
    列出所有已绑定微信的用户
    """
    conn = None
    cursor = None
    
    try:
        conn = db_manager.get_connection()
        cursor = conn.cursor()
        
        query_sql = """
            SELECT id, username, real_name, phone, enterprise_name, wechat_openid
            FROM ai_users 
            WHERE wechat_openid IS NOT NULL AND wechat_openid != ''
            ORDER BY id
        """
        cursor.execute(query_sql)
        users = cursor.fetchall()
        
        if not users:
            print("\n📋 没有已绑定微信的用户")
            return
        
        print("\n" + "="*80)
        print(f"📋 已绑定微信的用户列表 - 共 {len(users)} 个")
        print("="*80)
        print(f"{'ID':<6} {'用户名':<15} {'真实姓名':<12} {'手机号':<15} {'企业':<20} OpenID")
        print("-"*80)
        
        for user in users:
            user_id = user['id']
            username = user['username']
            real_name = user['real_name']
            phone = user['phone']
            enterprise_name = user['enterprise_name']
            openid = user['wechat_openid']
            openid_display = openid[:20] + '...' if openid and len(openid) > 20 else (openid or '')
            print(f"{user_id:<6} {username:<15} {real_name or '未设置':<12} {phone or '未设置':<15} {(enterprise_name[:18] if enterprise_name else ''):<20} {openid_display}")
        
        print("="*80)
        
    except Exception as e:
        print(f"\n❌ 查询失败: {e}")
        
    finally:
        if cursor:
            cursor.close()
        if conn:
            conn.close()


def main():
    """主函数"""
    if len(sys.argv) < 2:
        print("\n" + "="*60)
        print("📖 使用说明:")
        print("="*60)
        print("1. 清空单个用户的微信绑定:")
        print("   python 清空用户微信绑定.py <用户ID|用户名|手机号>")
        print("\n2. 批量清空多个用户的微信绑定:")
        print("   python 清空用户微信绑定.py <用户1> <用户2> <用户3> ...")
        print("\n3. 列出所有已绑定微信的用户:")
        print("   python 清空用户微信绑定.py --list")
        print("="*60)
        print("\n示例:")
        print("  python 清空用户微信绑定.py 1")
        print("  python 清空用户微信绑定.py user001")
        print("  python 清空用户微信绑定.py 13800000001")
        print("  python 清空用户微信绑定.py 1 2 3")
        print("  python 清空用户微信绑定.py --list")
        print("="*60)
        return
    
    # 列出已绑定用户
    if sys.argv[1] == '--list':
        list_users_with_wechat()
        return
    
    # 单个用户
    if len(sys.argv) == 2:
        clear_wechat_binding(sys.argv[1])
    # 批量用户
    else:
        clear_wechat_binding_batch(sys.argv[1:])


if __name__ == "__main__":
    try:
        main()
    except KeyboardInterrupt:
        print("\n\n❌ 操作被用户中断")
        sys.exit(1)
    except Exception as e:
        print(f"\n❌ 程序异常: {e}")
        import traceback
        traceback.print_exc()
        sys.exit(1)