import json
import os
from werkzeug.utils import secure_filename
from app.forms import *
from PIL import Image
from os import remove, path


class DataSite:
    filej = ""
    datas = ""
    static_path =""
    trash = list()

    def __init__(self, filej, static_path):
        self.filej = filej
        self.static_path = static_path

    def loadFile(self):
        with open(self.filej, 'r') as f:
            self.datas = json.load(f)
 

    def updateDatas(self, bloc, form):
        match bloc['type']:
            case "presentation":
                self.datas['blocs'][bloc['name']]['title'] = form.title.data
                self.datas['blocs'][bloc['name']]['text'] = form.text.data
                self.datas['blocs'][bloc['name']]['text_button']=form.text_button.data
                self.datas['blocs'][bloc['name']]['link'] = form.link.data
                if form.image.data :
                    f=form.image.data
                    filename = secure_filename(f.filename)
                    extension = filename.rsplit('.', 1)[1].lower()
                    f.save(os.path.join(
                        self.static_path, 'img','bg_custom.'+ extension))
                    self.datas['blocs'][bloc['name']]['bg_img']='bg_custom.'+extension
            case "text" :
                self.datas['blocs'][bloc['name']]['title']=form.title.data
                self.datas['blocs'][bloc['name']]['text']=form.text.data
            case "external_link" :
                self.datas['blocs'][bloc['name']]['title'] = form.title.data
                self.datas['blocs'][bloc['name']]['text'] = form.text.data
                self.datas['blocs'][bloc['name']]['link'] = form.link.data
                self.datas['blocs'][bloc['name']]['text_button']=form.text_button.data
            case 'contact':
                self.datas['blocs'][bloc['name']]['title'] = form.title.data
                self.datas['blocs'][bloc['name']]['text'] = form.text.data
                self.datas['blocs'][bloc['name']]['email'] = form.email.data
                self.datas['blocs'][bloc['name']]['phone'] = form.phone.data
                self.datas['blocs'][bloc['name']]['postal_code'] = form.postal_code.data
                self.datas['blocs'][bloc['name']]['city'] = form.city.data

    def updateImg(self, bloc, img, form):
        filename = img['file']
        img['title'] = form.title.data
        img['subtitle'] = form.subtitle.data
        img['description'] = form.description.data
        img['category'] = form.category.data
        self.datas['blocs'][bloc][filename]=img

    def addImg(self, bloc, image_uploaded):
        img = dict()
        img['title'] = ""
        img['subtitle']=""
        img['text'] = ""
        img['category'] = ""
        img['file']=image_uploaded
        self.datas['blocs'][bloc][image_uploaded]=img

    def saveJson(self, datas):
        remove(self.filej)
        with open (self.filej, 'w') as f:
            f.write(json.dumps(datas, indent=4))

    def delImg(self, img):
        try:
            images = self.datas['images']
            images.pop(img)
        except KeyError:
            print("Le fichier n'est pas dans la liste")
        else:
            self.trash.append(img)

    def emptyTrash(self):
        for file in self.trash:
            try:
                remove(self.static_path+'img/portfolio/fullsize/'+file)
            except FileNotFoundError:
                print (f'Le fichier {file} n\'existe pas')
            if path.exists((self.static_path+'img/portfolio/thumbnails/'+file)):
                              remove(self.static_path+'img/portfolio/thumbnails/'+file)
        self.trash.clear()