import pymysql
from datetime import datetime, timedelta
import redis

# 配置数据库连接
db_config = {
    'host': '192.168.2.32',  # 替换为你的MariaDB服务器地址
    'user': 'root',  # 替换为你的MariaDB用户名
    'password': 'lw123456',  # 替换为你的MariaDB密码
    'database': 'message_archive'
}

# 连接到Redis
r = redis.Redis(host='192.168.2.32', port=6379, db=0)


def archive_message(group_id, timestamp_str, sender, content, message_type, attachment_url=None):
    # 连接到数据库
    connection = pymysql.connect(**db_config)

    try:
        with connection.cursor() as cursor:
            # 插入消息信息
            sql = """
            INSERT INTO messages (group_id,timestamp, sender, content, message_type, attachment_url)
            VALUES (%s, %s, %s, %s, %s, %s)
            """
            cursor.execute(sql, (group_id, timestamp_str, sender, content, message_type, attachment_url))

        # 提交事务
        connection.commit()
        print("Message archived successfully.")

    except Exception as e:
        print(f"Error archiving message: {e}")
        connection.rollback()

    finally:
        # 关闭连接
        connection.close()


def get_messages(group_id, all_contacts: dict):
    # 连接到数据库
    connection = pymysql.connect(**db_config)

    try:
        # 获取redis 中的上次总结时间，本次从上次开始算，弱没有，则从8小时之前开始计算
        # 生成Redis key
        key = f"{group_id}:summary_time"
        last_summary_time = r.get(key)
        if last_summary_time is None:
            # 获取当前时间并计算8小时前的时间
            current_time = datetime.now()
            eight_hours_ago = current_time - timedelta(hours=8)

            # 转换为数据库中存储的时间格式 (假设timestamp是DATETIME类型)
            last_summary_time = eight_hours_ago.strftime('%Y-%m-%d %H:%M:%S')
            current_date = current_time.strftime('%Y-%m-%d %H:%M:%S')
            r.set(key, current_date)

        with connection.cursor() as cursor:

            # 执行查询，获取最近8小时的消息
            query = """
                 SELECT group_id, timestamp, sender, content
                 FROM messages
                 WHERE timestamp >= %s AND message_type =1  and group_id = %s
             """
            cursor.execute(query, (last_summary_time, group_id))

            # 提取结果并组成带逗号的字符串
            result = []
            for row in cursor.fetchall():
                group_id = row[0]
                timestamp = row[1]
                sender = row[2]
                content = row[3]
                result.append(f"{group_id},{timestamp},{all_contacts[sender]},{content}")

            # 将列表中的字符串连接成一个最终的结果
            result_str = "\n".join(result)
            print(result_str)  # 输出带逗号的字符串
            return result_str

    finally:
        connection.close()  # 关闭数据库连接


# 示例用法
if __name__ == "__main__":
    group_id = 'XXX@123123'
    timestamp_str = "2025-02-06 11:15:28"
    sender = "XXX"
    content = "This is a test message with a string timestamp."
    message_type = "text"
    attachment_url = "http://example.com/attachment.pdf"  # 可以为None如果没有附件

    archive_message(group_id, timestamp_str, sender, content, message_type, attachment_url)