import re
import json
from typing import Any
import requests
import uvicorn
from fastapi import FastAPI, Request
from pydantic import BaseModel
from config import *
from sql.sql import *

# fastapi
app = FastAPI()


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


# 监控视频接口
@app.get("/api/xumu/video")
async def video_query(username):
    return BaseResponse(data=get_video_url(username))


# 报警数据接口
@app.get("/api/xumu/warning")
async def get_warning(deviceId, limit, offset):
    try:
        send_json = get_warning_sql(deviceId, limit, offset)
        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))


@app.get("/api/xumu/device/online")
async def device_online_query(iccid, deviceId):
    try:
        send_json = get_device_online_sql(iccid, deviceId)
        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))


# 数据查询接口
@app.get("/api/xumu/data/query")
async def data_query(deviceId):
    try:
        if deviceId is None or deviceId == "" or len(deviceId) != 4:
            return BaseResponse(code=500, msg="参数错误")
        send_json = data_query_sql(deviceId)
        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))


async def rfid_last_query(rfid, deviceId):
    try:
        if deviceId is None or deviceId == "" or len(deviceId) != 4:
            return BaseResponse(code=500, msg="参数错误")
        send_json = rfid_last_query_sql(rfid, deviceId)
        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())


# RFID查询接口
@app.get("/api/xumu/rfid/query")
async def rfid_query(rfid):
    # TODO 可能一个rfid有多个iccid设备上传，需要获取所有的设备数据，然后返回，现在这个功能只有一个设备 不一定是最新的
    try:
        send_json = rfid_query_sql(rfid)
        r = requests.post(baseHost + queryUri, headers=headers, json=send_json)
        if r.status_code != 200:
            return BaseResponse(data=r.json(), code=404, msg="404")
        r = r.json()
        values = r["values"]
        if len(values) == 0:
            return BaseResponse(msg="No Such RFID", code=500)
        deviceId = values[0][0]
        return await rfid_last_query(rfid, deviceId)
    except Exception as e:
        return BaseResponse(code=500, msg=str(e))


async def has_rfid(rfid):
    try:
        send_json = has_rfid_sql(rfid)
        r = requests.post(baseHost + queryUri, headers=headers, json=send_json)
        if r.status_code != 200:
            return BaseResponse(data=r.json(), code=404, msg="404")
        r = r.json()
        values = r["values"]
        if len(values) == 0:
            return BaseResponse(msg="No Such RFID", code=500)
        return BaseResponse(data=r)
    except Exception as e:
        return BaseResponse(code=500, msg=str(e))


# 设备查询接口
@app.get("/api/xumu/device/query")
async def get_device(iccid, deviceId):
    try:
        send_json = get_device_sql(iccid, deviceId)
        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)
        clientid = data["clientid"]
        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"]
        res = []
        # 查看设备是否已经创建
        a_device = await get_device(None, deviceId)
        if a_device.code == 200:
            v = a_device.data["values"]
            t = a_device.data["timestamps"]
            if len(v) != 0:
                timestamp = t[0]
                theIccid = v[0]
                # 如果设备上传的注册iccid和数据库查询的iccid一致，则说明已经注册过了
                if theIccid == iccid:
                    return BaseResponse(code=302, msg="该设备已经注册过了")
                # 如果不一致，则直接进行更新注册
                send_json = update_register_sql(timestamp, iccid, deviceId, type)
                r = requests.post(baseHost + nonQueryUri, headers=headers, json=send_json)
                res.append(r.json())
            else:
                # 创建该设备
                send_json = create_register_sql(iccid, deviceId, type)
                r = requests.post(baseHost + nonQueryUri, headers=headers, json=send_json)
                res.append(r.json())
            # 插入设备状态表，如果状态表有，那么不插入设备表，如果状态表没有，则插入
            send_json = has_device_status_sql(clientid)
            r = requests.post(baseHost + queryUri, headers=headers, json=send_json)
            if r.status_code != 200:
                return BaseResponse(data=r.json(), code=500, msg="500 Internal Error")
            data = r.json()
            if len(data["values"]) == 0:
                send_json = insert_device_status_sql(iccid, clientid, deviceId)
                r = requests.post(baseHost + nonQueryUri, headers=headers, json=send_json)
                res.append(r.json())
        else:
            return BaseResponse(code=500, msg="500 Internal error")
        # 创建相应的数据库和字段
        sql_list = farm_sql(deviceId, type)
        for sql in sql_list:
            send_json = {
                "sql": sql
            }
            r = requests.post(baseHost + nonQueryUri, headers=headers, json=send_json)
            res.append(r.json())
        # 创建相应的数据库和字段
        sql_list = warning_sql(deviceId, type)
        for sql in sql_list:
            send_json = {
                "sql": sql
            }
            r = requests.post(baseHost + nonQueryUri, headers=headers, json=send_json)
            res.append(r.json())
        return BaseResponse(data=res)
    except Exception as e:
        return BaseResponse(code=500, msg=str(e))


# 数据发布接口
async def message_publish(data):
    try:
        payload = data["payload"].strip()
        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}")
        m = payload["m"]
        v = payload["v"]
        t = payload["t"]
        deviceId = v[0]
        m.append("t")
        v.append(t)
        res = []
        # 判断t是否为0，0则代表是RFID设备，需要做一个映射
        if t == 0:
            rfid = v[1]
            r = await has_rfid(rfid)
            if r.code != 200:
                sql_list = rfid_deviceId(rfid, deviceId)
                sql = sql_list[0]
                send_json = {
                    "sql": sql
                }
                r = requests.post(baseHost + nonQueryUri, headers=headers, json=send_json)
                if r.status_code == 200:
                    r = r.json()
                    if r["code"] != 200:
                        return BaseResponse(code=500, msg="RFID创建映射失败", data=r)
                res.append(r)
        send_json = message_publish_sql(deviceId, m, t, v)
        r = requests.post(baseHost + insertUri, headers=headers, json=send_json)
        r = r.json()
        res.append(r)
        if is_warning(deviceId, v, t):
            # 如果是报警数据，则发送到报警数据表
            send_json = insert_to_warning_sql(deviceId, v, t)
            r = requests.post(baseHost + insertUri, headers=headers, json=send_json)
            r = r.json()
            res.append(r)
        return BaseResponse(data=res)
    except Exception as e:
        return BaseResponse(code=500, msg=str(e))


# 改变设备状态接口
async def client_change_status(clientid, status):
    try:
        send_json = get_has_clientId_sql(clientid)
        r = requests.post(baseHost + queryUri, headers=headers, json=send_json)
        if r.status_code == 200:
            r = r.json()
            values = r["timestamps"]
            if len(values) > 0:
                timestamp = values[0]
                sql_update_list = get_client_change_status_sql(timestamp, status)
                sql_update = sql_update_list[0]
                r = requests.post(baseHost + nonQueryUri, headers=headers, json={"sql": sql_update})
                return BaseResponse(data=r.json())
    except Exception as e:
        return BaseResponse(code=500, msg=str(e))


@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)
        event = data["event"]
        clientid = data["clientid"]
        # print(clientid + "======" + event)
        pattern = r'^f\d{1,10}$'
        amatch1 = re.match(pattern, clientid)
        # 如果两个都不满足，那就错误
        if not amatch1:
            return BaseResponse(code=500, msg="clientid error")
        # 连接成功处理
        if event == "client.connected":
            return await client_change_status(clientid, True)
        # 断开连接处理
        elif event == "client.disconnected":
            return await client_change_status(clientid, False)
        # 消息体处理
        elif event == "message.publish":
            return await message_publish(data)
        return BaseResponse()
    except Exception as e:
        return BaseResponse(code=500, msg=str(e))


# 报警数据最近7天的数据
@app.get("/api/xumu/warning/past_seven_days")
async def past_seven_days(deviceId):
    try:
        the_decvice = await get_device(None, deviceId)
        device_type = None
        if the_decvice.code == 200:
            device_values = the_decvice.data["values"]
            if len(device_values) != 0:
                device_type = device_values[1][0]
        # 如果是空气设备，则有两个值
        if device_type == 1:
            send_json = air_device_past_seven_days_sql(deviceId)
        # 如果是其他设备，则有一个值，RFID不算
        else:
            send_json = common_device_past_seven_days_sql(deviceId)
        r = requests.post(baseHost + queryUri, headers=headers, json=send_json)
        data = r.json()
        timestamps = data["timestamps"]
        times = []
        for timestamp in timestamps:
            dt = datetime.fromtimestamp(timestamp / 1000)  # 因为时间戳是以毫秒为单位的，所以需要除以1000
            # 将datetime对象格式化为只包含年月日的字符串
            year_month_day_str = dt.strftime('%Y-%m-%d')
            times.append(year_month_day_str)
        data["timestamps"] = times
        return BaseResponse(data=data)
    except Exception as e:
        return BaseResponse(code=500, msg=str(e))


# 报警数据统计接口
@app.get("/api/xumu/warning/statistics")
async def warning_statistics(deviceId):
    try:
        if deviceId is None or deviceId == "" or len(deviceId) != 4:
            return BaseResponse(code=500, msg="参数错误")
        # 获取设备总报警数
        send_json = get_device_all_warning_sql(deviceId)
        r = requests.post(baseHost + queryUri, headers=headers, json=send_json)
        data = r.json()
        values = data["values"]
        total_count = 0
        if len(values) != 0:
            total_count = values[0][0]
        # 获取设备当天报警数
        send_json = get_device_today_warning_sql(deviceId)
        r = requests.post(baseHost + queryUri, headers=headers, json=send_json)
        data = r.json()
        values = data["values"]
        today_count = 0
        if len(values) != 0:
            today_count = values[0][0]
        return_data = {"totoal_warning_count": total_count, "today_warning_count": today_count}
        return BaseResponse(data=return_data)
    except Exception as e:
        return BaseResponse(code=500, msg=str(e))


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