import os
import secrets
from PIL import Image
from flask import url_for, current_app
from flask_mail import Message
from minibase.app import mail
from minibase.blueprints.main.models import Industries
import minibase.blueprints.database.utils as dbUtils


class accountInfo:
    def __init__(self, title, description, short, status, image_file):
        self.title = title
        self.description = description
        self.short = short
        self.status = status
        self.image_file = image_file


# FORM AND MODEL MANAGEMENT
def fill_model(cur_model, form):
    for item in form:
        modelFill(cur_model, item)


def populate_form(form, cur_model):
    for item in form:
        item.data = formFill(item, cur_model)


def formFill(item, cur_model):
    if item.type not in ["SubmitField", "CSRFTokenField"]:
        # Cheking if the arrtibute exitst, otherwise ignoring
        if hasattr(cur_model, item.name):
            return getattr(cur_model, item.name)


def modelFill(cur_model, item):
    if hasattr(cur_model, item.name):
        if item.type not in ["SubmitField", "CSRFTokenField"]:
            if item.type == "FileField":
                if item.data == "None":
                    print(f"File field found with no data -> item name {item.name}")
                    print(f"It will be filled with the existin tbale data -> item name {getattr(cur_model, item.name)}")
                    setattr(cur_model, item.name, getattr(cur_model, item.name))
            else:
                setattr(cur_model, item.name, item.data)


# PICTURE MANAGEMENT

def imageFileLink(imageFileName):
    return url_for('static', filename='pics/' + imageFileName)

def save_picture(form_picture):
    random_hex = secrets.token_hex(8)
    _, f_ext = os.path.splitext(form_picture.filename)
    picture_fn = random_hex + f_ext
    picture_path = os.path.join(current_app.root_path, 'static/pics', picture_fn)
    output_size = (125, 125)
    i = Image.open(form_picture)
    i.thumbnail(output_size)
    i.save(picture_path)
    return picture_fn


# MAIL MECHANISMS
def send_reset_email(user):
    token = user.get_reset_token()
    msg = Message('Password Reset Request',
                  sender='noreply@demo.com',
                  recipients=[user.email_account])
    msg.body = f'''To reset your password, visit the following link:
{url_for('user.reset_token', token=token, _external=True)}
If you didn't make this request, then simply ingnore this email and no changes will be made.
'''
    mail.send(msg)

def send_sensor_email(email, data):
    msg = Message('You have recived an ALARM',
                  sender='noreply@demo.com',
                  recipients=[email])
    msg.body = f'''The Sensor Has the following DATA:
        
        {data}
        
        Please contact your support person as soon as possible
    '''
    mail.send(msg)


# QUERIES
def queryIndustryNames():
    choices = Industries.query.order_by(Industries.name.asc())
    return choices

def queryIndustryNamesWithDefault(defId):
    choices = dbUtils.queryNameWithDefaultId(Industries,defId)
    return choices