# -*- coding: utf-8 -*-
import logging
import random
from sqlalchemy import text

from website import db_mysql, errors
from website.db.enterprise_device import enterprise_device as DB_Device
from website.db.device_classification import (
    device_classification as DB_DeviceClassification,
)
from website.handler import APIHandler, authenticated
from website.util import shortuuid
from website import consts


class DeviceClassificationAddHandler(APIHandler):
    """
    - 描述：添加设备分类
    - 请求方式：post
    - 请求参数：
    >- entity_id, int, 企业id
    >- name, string, 设备分类名称
    - 返回值：
    ```
        {
            "id": 123
        }
    ```
    """

    @authenticated
    def post(self):
        name = self.get_escaped_argument("name", "")
        with self.app_mysql.connect() as conn:
            cur = conn.execute(
                text("SELECT id FROM device_classification WHERE name=:name and del=0"),
                {"name": name},
            )
            row = cur.fetchone()

            if row:
                raise errors.HTTPAPIError(errors.ERROR_BAD_REQUEST, "设备分类已存在")

            result = conn.execute(
                text(
                    "INSERT INTO device_classification (name, suid) VALUES (:name, :suid)"
                ),
                {"name": name, "suid": shortuuid.ShortUUID().random(10)},
            )
            conn.commit()
            last_id = result.lastrowid
        self.finish({"id": last_id})


class DeviceClassificationHandler(APIHandler):
    """
    - 描述：设备分类列表
    - 请求方式：post
    - 请求参数：
    >- 无
    - 返回值：
    ```
        {
            "data": [
                {
                    "id": 123,
                    "suid": "xxx",
                    "name": "xxx"
                },
                ...
            ]
        }
    ```
    """

    @authenticated
    def post(self):
        with self.app_mysql.connect() as conn:
            cur = conn.execute(
                text(
                    "SELECT id, suid, name FROM device_classification where del=0 ORDER BY id DESC"
                )
            )
            res = db_mysql.to_json_list(cur)
            res = res and res or []

        self.finish({"data": res})


class DeviceClassificationDeleteHandler(APIHandler):
    """
    - 描述：删除设备分类
    - 请求方式：post
    - 请求参数：
    >- id
    - 返回值：无
    """

    @authenticated
    def post(self):
        did = self.get_int_argument("id")

        with self.app_mysql.connect() as conn:
            cur = conn.execute(
                text(
                    """
                select d.id from enterprise_device d, device_classification c 
                where d.classification=c.suid and c.id=:id and c.del=0
                """
                ),
                {"id": did},
            )
            rows = cur.fetchall()
            if rows:
                raise errors.HTTPAPIError(
                    errors.ERROR_BAD_REQUEST, "该分类使用中，无法删除"
                )

            conn.execute(
                text("update device_classification set del=1 WHERE id=:id"), {"id": did}
            )
            conn.commit()
        self.finish()


class DeviceAddHandler(APIHandler):
    """
    - 描述：企业节点，添加设备
    - 请求方式：post
    - 请求参数：
    >- entity_id, int, 企业id
    >- node_id, int
    >- name, string, 设备名称
    >- addr, string, 设备位置
    >- classification， string, 设备分类
    >- device_model, string, 设备型号
    >- param, string, 设备参数
    >- comment, string, 备注
    - 返回值：
    ```
        无
    ```
    """

    @authenticated
    def post(self):
        entity_id = self.get_int_argument("entity_id")
        node_id = self.get_int_argument("node_id")
        name = self.get_escaped_argument("name", "")
        addr = self.get_escaped_argument("addr", "")
        classification = self.get_escaped_argument("classification", "")
        device_model = self.get_escaped_argument("device_model", "")
        param = self.get_escaped_argument("param", "")
        comment = self.get_escaped_argument("comment", "")

        if not name:
            raise errors.HTTPAPIError(errors.ERROR_BAD_REQUEST, "设备名称不能为空")
        if not entity_id or not node_id:
            raise errors.HTTPAPIError(errors.ERROR_BAD_REQUEST, "企业节点不能为空")

        # 判断设备分类是否存在
        db_classification = DB_DeviceClassification.DeviceClassificationReporitory()
        row = db_classification.get_row_by_suid(classification)
        if not row:
            raise errors.HTTPAPIError(errors.ERROR_BAD_REQUEST, "设备分类不存在")

        device_data = {
            "entity_id": entity_id,
            "node_id": node_id,
            "name": name,
            "addr": addr,
            "classification": classification,
            "device_model": device_model,
            "param": param,
            "comment": comment,
        }
        db_device = DB_Device.EnterpriseDeviceRepository()
        db_device.add_device(device_data)

        self.finish()


class DeviceEditHandler(APIHandler):
    """
    - 描述：企业节点，编辑设备
    - 请求方式：post
    - 请求参数：
    >- device_id, int, 设备id
    >- name, string, 设备名称
    >- addr, string, 设备位置
    >- classification， string, 设备分类的short uuid
    >- device_model, string, 设备型号
    >- param, string, 设备参数
    >- comment, string, 备注
    - 返回值：无
    """

    @authenticated
    def post(self):
        device_id = self.get_int_argument("device_id")
        name = self.get_escaped_argument("name", "")
        addr = self.get_escaped_argument("addr", "")
        classification = self.get_escaped_argument("classification", "")
        device_model = self.get_escaped_argument("device_model", "")
        param = self.get_escaped_argument("param", "")
        comment = self.get_escaped_argument("comment", "")
        if not device_id:
            raise errors.HTTPAPIError(errors.ERROR_BAD_REQUEST, "设备id不能为空")
        if not name:
            raise errors.HTTPAPIError(errors.ERROR_BAD_REQUEST, "设备名称不能为空")

        device_data = {
            "id": device_id,
            "name": name,
            "addr": addr,
            "classification": classification,
            "device_model": device_model,
            "param": param,
            "comment": comment,
        }

        db_device = DB_Device.EnterpriseDeviceRepository()
        db_device.edit_device(device_data)
        self.finish()


class DeviceDeleteHandler(APIHandler):
    """
    ### /enterprise/entity/nodes/device/delete

    - 描述：企业节点，删除设备
    - 请求方式：post
    - 请求参数：
    >- node_id, int
    >- device_id, int, 设备id
    - 返回值：无
    """

    @authenticated
    def post(self):
        # node_id = self.get_int_argument('node_id')
        device_id = self.get_int_argument("device_id")
        if not device_id:
            raise errors.HTTPAPIError(
                errors.ERROR_BAD_REQUEST, "企业节点或设备不能为空"
            )
        db_device = DB_Device.EnterpriseDeviceRepository()
        db_device.delete_device(device_id)
        self.finish()


class DeviceListHandler(APIHandler):
    """
    - 描述：企业节点，设备列表
    - 请求方式：post
    - 请求参数：
    > - pageNo
    > - pageSize
    > - node_id, int, 节点id
    - 返回值：
    ```
        {
            "count": 123,
            "data": [
                {
                    "device_id":  123,
                    "device_name": "xxx",
                    "device_class": "xxx", 设备类型
                    "deployed": 0, # 是否部署， 0/未部署， 1/已部署
                },
                ...
            ]
        }
    ```
    """

    @authenticated
    def post(self):
        node_id = self.get_int_argument("node_id")
        pageNo = self.get_int_argument("pageNo", 1)
        pageSize = self.get_int_argument("pageSize", 20)
        if not node_id:
            raise errors.HTTPAPIError(errors.ERROR_BAD_REQUEST, "企业节点不能为空")
        db_device = DB_Device.EnterpriseDeviceRepository()
        devices = db_device.list_devices(
            node_id=node_id, pageNo=pageNo, pageSize=pageSize
        )

        logging.info(devices)

        self.finish({"count": devices["total_count"], "data": devices["devices"]})


class DeviceListSimpleHandler(APIHandler):
    """获取节点下所有设备的简单信息"""

    @authenticated
    def post(self):
        node_id = self.get_int_argument("node_id")
        if not node_id:
            raise errors.HTTPAPIError(errors.ERROR_BAD_REQUEST, "企业节点不能为空")
        db_device = DB_Device.EnterpriseDeviceRepository()
        devices = db_device.list_simple_devices(node_id=node_id)
        logging.info(devices)
        self.finish({"data": devices})


class DeviceInfoHandler(APIHandler):
    """
    - 描述：企业节点，设备信息
    - 请求方式：post
    - 请求参数：
    > - device_id, int, 设备id
    - 返回值：
    ```
        {
            "name": "xxx",
            "addr": "xxx",
            "classification": "xxx",
            "device_model": "xxx",
            "param": "xxx",
            "comment": "xxx",
        }
    ```
    """

    def post(self):
        device_id = self.get_int_argument("device_id")
        if not device_id:
            raise errors.HTTPAPIError(
                errors.ERROR_BAD_REQUEST, "企业节点或设备不能为空"
            )
        db_device = DB_Device.EnterpriseDeviceRepository()
        device = db_device.get_device(device_id=device_id)
        logging.info(device)
        self.finish(device)


class StatusListHandler(APIHandler):
    """
    - 描述：设备状态列表
    - 请求方式：post
    - 请求参数：
    > - entity_id, int, 企业id
    > - classification_suid, string, 分类id
    > - status, int, 状态，1000/all/默认, 1001/在线，1002/离线，1003/运行中，1004/故障
    > - pageNo
    > - pageSize
    - 返回值：无
    ```
    {
        "count": 123,
        "data": [
            {
                "id": 123,
                "name": "xxx",
                "status": 1001,
                "cpu": 123,
                "mem": 123,
                "storage": 123,
                "gpu": 123,
            },
            ...
        ]
    }
    ```
    """

    @authenticated
    def post(self):
        entity_id = self.get_int_argument("entity_id")
        classification = self.get_escaped_argument("classification", "")
        status = self.get_int_argument("status", 1000)
        pageNo = self.get_int_argument("pageNo", 1)
        pageSize = self.get_int_argument("pageSize", 20)

        if not entity_id:
            raise errors.HTTPAPIError(errors.ERROR_BAD_REQUEST, "企业节点不能为空")
        if status not in consts.device_status_map:
            raise errors.HTTPAPIError(
                errors.ERROR_BAD_REQUEST, "状态参数错误")

        db_device = DB_Device.EnterpriseDeviceRepository()
        res = db_device.list_entity_devices(entity_id=entity_id, pageNo=pageNo, pageSize=pageSize,
                                               classification=classification, status=status)

        count = res["count"]
        devices = res["devices"]
        data = []
        for item in devices:
            data.append({
                "id": item.id,
                "name": item.name,
                "status": item.status,
                "cpu": random.randint(20, 30),
                "mem": random.randint(20, 30),
                "storage": random.randint(20, 30),
                "gpu": random.randint(20, 30),
            })

        self.finish({"count": count, "data": data})


class StatusInfoHandler(APIHandler):
    """ """

    @authenticated
    def post(self):

        self.finish()


class StatusLogHandler(APIHandler):
    """ """

    @authenticated
    def post(self):

        self.finish()