#!/usr/bin/env python3
"""
快速测试数据生成脚本
用于快速生成实验状态监控测试数据
"""

import datetime
import time
from influxdb_client import InfluxDBClient, Point
from influxdb_client.client.write_api import SYNCHRONOUS

# 从配置文件读取InfluxDB配置
import json
import os

def load_config():
    """从default.json加载配置"""
    config_path = os.path.join(os.path.dirname(__file__), "default.json")
    try:
        with open(config_path, 'r', encoding='utf-8') as f:
            config = json.load(f)
        return config.get('influx', {})
    except Exception as e:
        print(f"加载配置文件失败: {e}")
        return {}

# 加载配置
influx_config = load_config()
INFLUX_URL = influx_config.get('url', 'http://127.0.0.1:8086')
INFLUX_ORG = influx_config.get('org', 'MEASCON')
INFLUX_TOKEN = influx_config.get('token', '')
INFLUX_BUCKET = influx_config.get('bucket', 'default')
MEASUREMENT = "PCM_Measurement"


def write_status_change_sequence():
    """写入一个状态变化序列：0 -> 1 -> 0"""
    try:
        client = InfluxDBClient(url=INFLUX_URL, token=INFLUX_TOKEN, org=INFLUX_ORG)
        write_api = client.write_api(write_options=SYNCHRONOUS)
        
        now = datetime.datetime.now(datetime.timezone.utc)
        
        print("写入状态变化序列...")
        
        # 1. 写入初始状态 0 (5分钟前)
        point1 = Point(MEASUREMENT) \
            .tag("data_type", "Breaker") \
            .field("load_status", 0.0) \
            .time(now - datetime.timedelta(minutes=5))
        write_api.write(bucket=INFLUX_BUCKET, record=point1)
        print("OK 写入load_status 0 (5分钟前)")
        
        # 2. 写入状态变化为 1 (2分钟前)
        point2 = Point(MEASUREMENT) \
            .tag("data_type", "Breaker") \
            .field("load_status", 1.0) \
            .time(now - datetime.timedelta(minutes=2))
        write_api.write(bucket=INFLUX_BUCKET, record=point2)
        print("OK 写入load_status 1 (2分钟前)")
        
        # 3. 写入状态变回 0 (现在)
        point3 = Point(MEASUREMENT) \
            .tag("data_type", "Breaker") \
            .field("load_status", 0.0) \
            .time(now)
        write_api.write(bucket=INFLUX_BUCKET, record=point3)
        print("OK 写入load_status 0 (现在)")
        
        print("\n状态变化序列写入完成！")
        print("可以用这个序列测试实验监控功能")
        
        client.close()
        
    except Exception as e:
        print(f"错误: {e}")

def write_current_status(status_value):
    """写入当前状态值"""
    try:
        client = InfluxDBClient(url=INFLUX_URL, token=INFLUX_TOKEN, org=INFLUX_ORG)
        write_api = client.write_api(write_options=SYNCHRONOUS)
        
        point = Point(MEASUREMENT) \
            .tag("data_type", "Breaker") \
            .field("load_status", float(status_value)) \
            .time(datetime.datetime.now(datetime.timezone.utc))
        
        write_api.write(bucket=INFLUX_BUCKET, record=point)
        print(f"OK 写入当前load_status: {status_value}")
        
        client.close()
        
    except Exception as e:
        print(f"错误: {e}")

def main():
    print("InfluxDB快速测试数据生成器")
    print("=" * 40)
    
    print("请选择操作:")
    print("1. 写入完整状态变化序列 (0->1->0)")
    print("2. 写入状态 0")
    print("3. 写入状态 1")
    print("4. 查看当前配置")
    
    choice = input("请输入选择 (1-4): ").strip()
    
    if choice == "1":
        write_status_change_sequence()
    elif choice == "2":
        write_current_status("0")
    elif choice == "3":
        write_current_status("1")
    elif choice == "4":
        print(f"InfluxDB URL: {INFLUX_URL}")
        print(f"组织: {INFLUX_ORG}")
        print(f"Bucket: {INFLUX_BUCKET}")
        print(f"Measurement: {MEASUREMENT}")
    else:
        print("无效选择")

if __name__ == "__main__":
    main()