import json
import mysql.connector
from mysql.connector import Error
import os
from datetime import datetime

# 数据库连接配置
db_config = {
    'user': 'root',
    'password': 'zaq12wsx@9Xin',
    'host': '183.11.229.79',
    'port': 3316,
    'database': '9xin',
    'auth_plugin': 'mysql_native_password'
}

def connect_to_database():
    """建立数据库连接"""
    try:
        connection = mysql.connector.connect(**db_config)
        if connection.is_connected():
            print('成功连接到MySQL数据库')
            return connection
    except Error as e:
        print(f'连接数据库时出错: {e}')
        return None

def create_table(connection):
    """创建表格（如果不存在）"""
    create_table_query = """
    CREATE TABLE IF NOT EXISTS xhs_notes (
        id INT AUTO_INCREMENT PRIMARY KEY,
        note_id VARCHAR(50) NOT NULL UNIQUE,
        type VARCHAR(20),
        title VARCHAR(255),
        description TEXT,
        video_url TEXT,
        time BIGINT,
        last_update_time BIGINT,
        user_id VARCHAR(50),
        nickname VARCHAR(100),
        avatar TEXT,
        liked_count VARCHAR(20),
        collected_count VARCHAR(20),
        comment_count VARCHAR(20),
        share_count VARCHAR(20),
        ip_location VARCHAR(100),
        image_list TEXT,
        tag_list TEXT,
        last_modify_ts BIGINT,
        note_url TEXT,
        source_keyword VARCHAR(50),
        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
        download_flag BOOLEAN DEFAULT FALSE
    ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
    """
    try:
        cursor = connection.cursor()
        cursor.execute(create_table_query)
        connection.commit()
        print('表格创建成功')
    except Error as e:
        print(f'创建表格时出错: {e}')

def check_record_exists(cursor, note_id):
    """检查记录是否已存在"""
    query = "SELECT COUNT(*) FROM xhs_notes WHERE note_id = %s"
    cursor.execute(query, (note_id,))
    count = cursor.fetchone()[0]
    return count > 0

def insert_data(connection, data):
    """插入数据到数据库"""
    insert_query = """
    INSERT INTO xhs_notes (
        note_id, type, title, description, video_url, time, 
        last_update_time, user_id, nickname, avatar,
        liked_count, collected_count, comment_count, share_count,
        ip_location, image_list, tag_list, last_modify_ts,
        note_url, source_keyword
    ) VALUES (
        %s, %s, %s, %s, %s, %s, %s, %s, %s, %s,
        %s, %s, %s, %s, %s, %s, %s, %s, %s, %s
    )
    """
    try:
        cursor = connection.cursor()
        inserted_count = 0
        skipped_count = 0
        
        for item in data:
            note_id = item.get('note_id')
            
            # 检查记录是否已存在
            if check_record_exists(cursor, note_id):
                skipped_count += 1
                continue
                
            values = (
                note_id,
                item.get('type'),
                item.get('title'),
                item.get('desc'),
                item.get('video_url'),
                item.get('time'),
                item.get('last_update_time'),
                item.get('user_id'),
                item.get('nickname'),
                item.get('avatar'),
                item.get('liked_count'),
                item.get('collected_count'),
                item.get('comment_count'),
                item.get('share_count'),
                item.get('ip_location'),
                item.get('image_list'),
                item.get('tag_list'),
                item.get('last_modify_ts'),
                item.get('note_url'),
                item.get('source_keyword')
            )
            cursor.execute(insert_query, values)
            inserted_count += 1
        
        connection.commit()
        print(f'成功插入 {inserted_count} 条新数据')
        print(f'跳过 {skipped_count} 条已存在的数据')
    except Error as e:
        print(f'插入数据时出错: {e}')
        connection.rollback()

def main():
    # 读取JSON文件
    json_file_path = './search_contents_2024-12-04.json'
    
    try:
        with open(json_file_path, 'r', encoding='utf-8') as file:
            data = json.load(file)
    except Exception as e:
        print(f'读取JSON文件时出错: {e}')
        return

    # 连接数据库
    connection = connect_to_database()
    if connection is None:
        return

    try:
        # 创建表格
        create_table(connection)
        
        # 插入数据
        insert_data(connection, data)
        
    except Exception as e:
        print(f'处理数据时出错: {e}')
    finally:
        if connection.is_connected():
            connection.close()
            print('数据库连接已关闭')

if __name__ == "__main__":
    main()