import time
import json
from typing import Any

import requests
import uvicorn
from fastapi import FastAPI, Request
from pydantic import BaseModel
from config import *

# fastapi
app = FastAPI()


# 统一返回数据
class BaseResponse(BaseModel):
    code: int = 200
    msg: str = "success"
    data: Any = None


# 设备注册实体
class Device(BaseModel):
    iccid: str = ""
    deviceId: str
    type: int = None


# 数据查询参数实体
class DataQuery(BaseModel):
    deviceId: str

# 数据查询接口
@app.post("/api/xumu/data/query")
async def data_query(params: DataQuery):
    try:
        deviceId = params.deviceId
        sql = f"select last * from root.farm.{deviceId}"
        send_json = {
            "sql": sql
        }
        r = requests.post(baseHost + queryUri, headers=headers, json=send_json)
        return BaseResponse(data=r.json())
    except Exception as e:
        return BaseResponse(code=500, msg=str(e))


# 原生查询接口
@app.post("/api/xumu/rest/v2/query")
async def rest_query(request: Request):
    data = await request.json()
    r = requests.post(baseHost + queryUri, headers=headers, json=data)
    return BaseResponse(data=r.json())


# 设备查询接口
@app.post("/api/xumu/device/query")
async def get_device(device: Device):
    try:
        sql = "SELECT * FROM root.device where 1=1"
        # 检查iccid是否有值，如果有，添加到SQL语句中
        if device.iccid:
            sql += f" and iccid = '{device.iccid}'"
        # 检查deviceId是否有值，如果有，添加到SQL语句中
        if device.deviceId:
            sql += f" and deviceId = '{device.deviceId}'"
        # 检查type是否有值，如果有，添加到SQL语句中
        if device.type is not None:
            sql += f" and type = {device.type}"
        send_json = {
            "sql": sql
        }
        r = requests.post(baseHost + queryUri, headers=headers, json=send_json)
        return BaseResponse(data=r.json())
    except Exception as e:
        return BaseResponse(code=500, msg=str(e))


# 设备注册接口
@app.post("/api/xumu/device/register")
async def register(request: Request):
    try:
        data = await request.body()
        data = data.decode("utf-8")
        data = json.loads(data)
        payload = data["payload"]
        receive_len = len(payload)
        payload = json.loads(payload)
        send_len = payload["l"]
        if receive_len != send_len:
            return BaseResponse(code=301, msg=f"data valid error, receive_len:{receive_len}")
        deviceId = payload["d"]
        iccid = payload["cid"]
        type = payload["t"]
        # TODO 检测该设备是否已经创建

        # 创建该设备
        send_json = {
            "devices": ["root.device"],
            "timestamps": [int(time.time() * 1000)],
            "measurements_list": [["iccid", "deviceId", "type"]],
            "data_types_list": [["TEXT", "TEXT", "INT32"]],
            "values_list": [[iccid, deviceId, type]],
            "is_aligned": False
        }
        res = []
        r = requests.post(baseHost + insertUri, headers=headers, json=send_json)
        res.append(r.json())
        # 创建相应的数据库和字段
        sql_list = get_sql(deviceId, type)
        for sql in sql_list:
            send_json = {
                "sql": sql
            }
            r = requests.post(baseHost + insertUri, headers=headers, json=send_json)
            res.append(r.json())
        return BaseResponse(data=res)
    except Exception as e:
        return BaseResponse(code=500, msg=str(e))


# 数据上传接口
@app.post("/api/xumu/data/collect")
async def process_data(request: Request):
    try:
        data = await request.body()
        data = data.decode("utf-8")
        data = json.loads(data)
        payload = data["payload"]
        receive_len = len(payload)
        payload = json.loads(payload)
        send_len = payload["l"]
        if receive_len != send_len:
            print("校验错误,收到的消息长度:", receive_len)
            return BaseResponse(code=301, msg="data valid error")
        m = payload["m"]
        v = payload["v"]
        cid = v[0]
        t = v[-1]
        send_json = {
            "devices": ["root.farm." + cid],
            "timestamps": [int(time.time() * 1000)],
            "measurements_list": [m],
            "data_types_list": [dataTypes[t]],
            "values_list": [v],
            "is_aligned": False
        }
        r = requests.post(baseHost + insertUri, headers=headers, json=send_json)
        return BaseResponse(data=r.json())
    except Exception as e:
        return BaseResponse(code=500, msg=str(e))


if __name__ == '__main__':
    uvicorn.run(app, host="0.0.0.0", port=8002)