#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from sqlalchemy.orm import Session
from sqlalchemy import text, exists, and_, or_, not_
from sqlalchemy.sql import func
from database import get_db
from extensions import logger
import random
from models import *
from utils import *

def get_next_event_id(db: Session):
    while True:
        random_10_digit_number = random.randint(1000000000, 9999999999)
        taskId = 'task' + str(random_10_digit_number)

        it_exists = db.query(
            exists().where(TaskRegistration.task_id == taskId)
        ).scalar()

        if it_exists == False:
            return taskId
        


def get_image_file_list(db: Session, task_id: str):
    row = db.query(TaskRegistration).filter(TaskRegistration.task_id == task_id).first()
    if row is None:
        return []

    task_id = row.task_id
    file_query = db.query(TaskFile)
    file_query = file_query.filter(TaskFile.del_flag != '2')
    file_query = file_query.filter(TaskFile.from_scenario == 'task_img')
    file_query = file_query.filter(TaskFile.foreign_key == str(row.id))
    files = file_query.all()
    result = [{
        "uid": file.file_id,
        "status": file.status,
        "name": file.file_name_desc,
        "url":  file.file_name
    } for file in files]
    return result



def get_task_file_list(db: Session, task_id: str):
    row = db.query(TaskRegistration).filter(TaskRegistration.task_id == task_id).first()
    if row is None:
        return []

    task_id = row.task_id
    file_query = db.query(TaskFile)
    file_query = file_query.filter(TaskFile.del_flag != '2')
    file_query = file_query.filter(TaskFile.from_scenario == 'task_file')
    file_query = file_query.filter(TaskFile.foreign_key == str(row.id))
    files = file_query.all()
    result = [{
        "uid": file.file_id,
        "status": file.status,
        "name": file.file_name_desc,
        "url":  file.file_name
    } for file in files]
    return result

def get_task_feeback_file_list(db: Session, task_id: str):
    file_query = db.query(TaskFile)
    file_query = file_query.filter(TaskFile.del_flag != '2')
    file_query = file_query.filter(TaskFile.from_scenario == 'task_feeback')
    file_query = file_query.filter(TaskFile.foreign_key == task_id)
    files = file_query.all()
    result = [{
        "uid": file.file_id,
        "status": file.status,
        "name": file.file_name_desc,
        "url":  file.file_name
    } for file in files]
    return result

def get_task_type_text(task_type: str) -> str:
    if task_type == '0':
        return '事件处置'
    elif task_type == '1':
        return '防范措施'
    elif task_type == '2':
        return '险情处理'
    elif task_type == '3':
        return '督办任务'
    elif task_type == '4':
        return '现场人员'
    elif task_type == '5':
        return '手机工作台'
    elif task_type == '6':
        return '救援任务'
    else:
        return str(task_type)
    

def get_task_feebacks(db: Session, task_id: str):
    rows = db.query(TaskFeeback).filter(and_(TaskFeeback.task_id == task_id)).all()
    data = []
    for row in rows:
        info = get_model_dict(row)
        info['create_time'] = get_datetime_str(row.create_time)
        info['approval_time'] = get_datetime_str(row.approval_time)
        info['fileList'] = get_task_feeback_file_list(db, task_id)
        data.append(info)
    
    return data

# 任务发布后半个小时内没反馈记录就需要alert
def need_task_alert(db: Session, task_id: str):
    rows = db.query(TaskFeeback).filter(and_(TaskFeeback.task_id == task_id)).all()
    if len(rows) > 0:
        return False

    row = db.query(TaskRegistration).filter(TaskRegistration.task_id == task_id).first()
    alert_time = row.creation_time + timedelta(seconds=60 * 30) # 半个小时后

    return datetime.now() > alert_time