import uuid
import datetime

from pymongo import ReturnDocument

from app.config import TaskEnv
from app.models.monito_physical_progress import PhysicalProgressModel, LastRecord
from core.repositories.base import BaseRepository
from core.service.mongo_db import use_collection
from core.utils.crudify import mongo_inserter
from app.repositories.project import ProjectRepository

COLLECTION = TaskEnv.CLN_MONITOR_PYSICAL
MODEL = PhysicalProgressModel


class PhysicalProgressRepository(BaseRepository):
    def __init__(self):
        super().__init__(collection=TaskEnv.CLN_MONITOR_PYSICAL, model=PhysicalProgressModel)

    async def search_last(self, connection: str, _inp: LastRecord, first: int, last: int):
        m_first = _inp.date_at - datetime.timedelta(days=first)
        print(m_first)
        m_end = _inp.date_at - datetime.timedelta(days=last)
        print(m_end)
        last = await use_collection(connection).find({
            'project_id': _inp.project_id,
            'date_at': {'$gte': m_first, '$lte': m_end}
        }).sort("$natural", -1).to_list(None)
        if last:
            return last[0]
        else:
            return {}

    async def last_record(self, _inp: LastRecord):
        send = {'month': {}, 'three_month': {}, 'before':{}}
        if _inp.id:
            find_record = await use_collection(TaskEnv.CLN_MONITOR_PYSICAL).find_one({"_id":_inp.id})
        if _inp.id:
            before = await use_collection(TaskEnv.CLN_MONITOR_PYSICAL).find({
                'project_id': _inp.project_id,
                'created_at': {'$lt': find_record['created_at']}}).sort("$natural", -1).to_list(None)
        else:
            before = await use_collection(TaskEnv.CLN_MONITOR_PYSICAL).find({
                'project_id': _inp.project_id,
            }).sort("$natural", -1).to_list(None)
        if before:
            send['before'] = before[0]
        last = await self.search_last(TaskEnv.CLN_MONITOR_PYSICAL, _inp, 35, 25)
        if last:
            send['month'] = last
        three_month = await self.search_last(TaskEnv.CLN_MONITOR_PYSICAL, _inp, 95, 85)
        if three_month:
            send['three_month'] = three_month
        _avg = await use_collection(TaskEnv.CLN_MONITOR_PYSICAL).aggregate([
            {'$match':{'project_id':_inp.project_id, "date_at": {"$lt": _inp.date_at}}},
            {'$group': {'_id': None, 'avg': {'$avg': "$real"}, 'sum':{'$sum': "$real"}, 'count':{'$sum': 1}}}
        ]).to_list(None)
        if _avg:
            send['avg'] = _avg[0]
        else:
            send['avg'] = {}
        return send

    async def create(self, _inp: MODEL):
        create = await mongo_inserter(_inp, COLLECTION, getter=self.get)
        await ProjectRepository().set_sts_two_for_monitor(_inp.project_id)
        return create

    async def list_by_project(self,_id:uuid.UUID):
        _get = await use_collection(COLLECTION).find({"project_id":_id}).to_list(None)
        return _get

    async def update(self, _id: uuid.UUID, update: MODEL):
        _get = await use_collection(COLLECTION).find_one({"_id": _id})
        res = await use_collection(COLLECTION).find_one_and_update({"_id":_id},{"$set":update.mongo_dict()},return_document=ReturnDocument.AFTER)
        _get_model = MODEL(**_get)
        if _get_model.real != update.real:
            _list = await use_collection(COLLECTION).find({"project_id":_get_model.project_id, "date_at":{"$gt":_get_model.date_at}}).to_list(None)
            if _list:
                for i in _list:
                    _i_model = MODEL(**i)
                    _avg = await use_collection(TaskEnv.CLN_MONITOR_PYSICAL).aggregate([
                        {'$match': {'project_id': update.project_id, "date_at": {"$lt": _i_model.date_at}}},
                        {'$group': {'_id': None, 'avg': {'$avg': "$real"}}}
                    ]).to_list(None)
                    _model = LastRecord(
                        project_id= _i_model.project_id,
                        date_at= _i_model.date_at
                    )
                    _last = await self.last_record(_model)
                    unset = {}
                    _update = {'medium_progress': _avg[0]['avg']}
                    if _last['month']:
                        _update.update({'last_month':_last['month']['real']})
                    else:
                        unset.update({'last_month': None})
                    if _last['three_month']:
                        _update.update({'last_three_month': _last['three_month']['real']})
                    else:
                        unset.update({'last_three_month': None})
                    if unset:
                        await use_collection(COLLECTION).update_one({"_id": _i_model.id}, {"$set":_update, "$unset":unset})
                    else:
                        await use_collection(COLLECTION).update_one({"_id": _i_model.id},{"$set": _update})
        return res