# coding=utf-8
#author:        4N
#createtime:    2021/7/19
#email:         nheweijun@sina.com

from app.util.component.ApiTemplate import ApiTemplate
from app.util.component.StructuredPrint import StructurePrint
from app.util.component.ModelVisitor import ModelVisitor
import uuid
from ..models import TileService,Service,db,ServiceFunction,TileScheme
import datetime
import requests
from .util.ProjectFile import ProjectFile
import json
from requests import Response
import configure
class Api(ApiTemplate):

    api_name = "修改切片服务"

    def process(self):
        res = {}
        try:
            guid = self.para.get("guid")
            service = Service.query.filter_by(guid=guid)
            this_time = datetime.datetime.now()

            service_update = {"update_time":this_time}
            tile_update = {}
            for key in self.para.keys():
                if key in ["name","title","state","description","overview","catalog_guid"]:
                    service_update[key] = self.para.get(key)
                if key in ["name","tile_type","vendor","crs","datasource","description",
                           "layer_name","layer_alias","layer_title","layer_style","layer_format",
                           "layer_extent","layer_description","scheme_guid"]:
                    tile_update[key] = self.para.get(key)
            if self.para.get("scheme_guid"):
                tilesche = TileScheme.query.filter_by(guid=self.para.get("scheme_guid")).one_or_none()
                tile_update["scheme"] = json.dumps(ModelVisitor.object_to_json(tilesche))

            #通知tileserver，更新缓存
            ts:TileService = TileService.query.filter_by(service_guid=guid).one_or_none()
            se = service.one_or_none()
            tile_type = self.para.get("tile_type") if self.para.get("tile_type") else ts.tile_type

            ts_json = ModelVisitor.object_to_json(ts)
            ts_json.update(tile_update)

            project_file = ProjectFile.create(ts_json)

            para = {"name":self.para.get("name") if self.para.get("name") else se.name,
                    "title":self.para.get("title") if self.para.get("title") else se.title,
                    "type":"tileserver","capabilities":1 if tile_type == "WMTS" else 16,"project":project_file}


            tile_service_edit_url = "{}/dmap/api/manager/RegService".format(configure.tile_engine)

            resp: Response  = requests.post(tile_service_edit_url,data=json.dumps(para),headers={'Content-Type':'application/json'},timeout=3)
            resp.encoding="utf-8"
            resp_json = resp.json()
            if not resp_json["status"].__eq__("1"):
                raise Exception("调用切片服务的注册服务接口失败！")

            service_update["overview"] = resp_json["url"]
            #修改数据库
            tile_service = TileService.query.filter_by(service_guid=guid)
            tile_type = self.para.get("tile_type")
            # 修改功能
            if tile_type:
                old_functions = ServiceFunction.query.filter_by(service_guid=guid).all()
                for function in old_functions:
                    if not function.type.__eq__(tile_type):
                        db.session.delete(function)

                if tile_type not in [fun.type for fun in old_functions]:
                    service_function = ServiceFunction(guid=uuid.uuid1().__str__(),type=tile_type,service_guid=guid)
                    db.session.add(service_function)

            if service_update:
                service.update(service_update)
            if tile_update:
                tile_service.update(tile_update)

            db.session.commit()
            res["result"] = True

        except Exception as e:
            raise Exception("数据库错误！")
        return res

    api_doc = {
        "tags": ["切片服务接口"],
        "parameters": [
            {"name": "guid",
             "in": "formData",
             "type": "string",
             "description": "service guid"},

            {"name": "name",
             "in": "formData",
             "type": "string",
             "description": "[地图服务，切片服务，影像服务]"},
            {"name": "title",
             "in": "formData",
             "type": "string",
             "description": "[地图服务，切片服务，影像服务]"},
            {"name": "description",
             "in": "formData",
             "type": "string",
             "description": "[地图服务，切片服务，影像服务]"},

            {"name": "catalog_guid",
             "in": "formData",
             "type": "string",
             "description": "[地图服务，切片服务，影像服务]"},

            {"name": "scheme_guid",
             "in": "formData",
             "type": "string",
             "description": "[切片服务，影像服务]切片方案"},

            # 切片服务参数
            {"name": "overview",
             "in": "formData",
             "type": "string",
             "description": "[切片服务]缩略图"},
            {"name": "tile_type",
             "in": "formData",
             "type": "string",
             "description": "[切片服务]tile_type",
             "enum":["WMTS","TMS"]},
            {"name": "vendor",
             "in": "formData",
             "type": "string",
             "description": "[切片服务]厂商"},
            {"name": "crs",
             "in": "formData",
             "type": "string",
             "description": "[切片服务]坐标系"},
            {"name": "datasource",
             "in": "formData",
             "type": "string",
             "description": "[切片服务]数据路径"},
            {"name": "layer_name",
             "in": "formData",
             "type": "string",
             "description": "[切片服务]图层名"},
            {"name": "layer_alias",
             "in": "formData",
             "type": "string",
             "description": "[切片服务]图层别名"},
            {"name": "layer_title",
             "in": "formData",
             "type": "string",
             "description": "[切片服务]图层标题"},
            {"name": "layer_style",
             "in": "formData",
             "type": "string",
             "description": "[切片服务，地图服务]图层样式"},
            {"name": "layer_format",
             "in": "formData",
             "type": "string",
             "description": "[切片服务]图层format"},
            {"name": "layer_extent",
             "in": "formData",
             "type": "string",
             "description": "[切片服务]图层范围"},
            {"name": "layer_description",
             "in": "formData",
             "type": "string",
             "description": "[切片服务]图层描述"},


        ],
        "responses": {
            200: {
                "schema": {
                    "properties": {
                    }
                }
            }
        }
    }