import os

import yaml
from django.conf import settings
from django.core.management.base import BaseCommand, CommandError

from suitablephones.models import Bluetooth, Camera, Device, Screen

import subprocess
import logging


def update_repo():
    devicesdir = settings.LINEAGEWIKI
    pull_status = subprocess.run(["git", "pull"], cwd=devicesdir)
    if pull_status.returncode != 0:
        logging.error("Error pulling repo")
    
def set_screen(args):
    #if type(args)
    screen = Screen.objects.filter(**args)
    if not screen.exists():
        screen = Screen()
        for subkey, subvalue in args.items():
            if subkey == 'size':
                size_mm = subvalue.split(' ')[0]
                setattr(screen, 'size_mm', size_mm)
                size_inch = subvalue.split(' ')[2].replace('(', '')
                setattr(screen, 'size_in', size_inch)
                setattr(screen, subkey, subvalue)
            #elif subkey == 'technology':
            #    setattr(screen, 'type', subvalue)
            setattr(screen, subkey, subvalue)
        screen.save()
    else:
        screen = screen.get()
    return screen


def set_camera(args):
    cam = Camera.objects.filter(**args)
    if not cam.exists():    
        cam = Camera()
        for subkey, subvalue in args.items():
            if subkey == 'info':
                mp = subvalue.split(' ')[0]
                setattr(cam, 'megapixel', mp)
                info = ' '.join(map(str, subvalue.split(' ')[2:]))
                setattr(cam, subkey, info)
            setattr(cam, subkey, subvalue)
        cam.save()
    else:
        cam = cam.get()
    return cam


class Command(BaseCommand):
    help = 'Aiuto'

    #def add_arguments(self, parser):
    #    parser.add_argument('poll_ids', nargs='+', type=int


    def handle(self, *args, **options):
        Device.objects.all().delete()
        Bluetooth.objects.all().delete()
        Camera.objects.all().delete()
        update_repo()
        devicesdir = settings.LINEAGEWIKI + "/_data/devices/"
 #       import pdb; pdb.set_trace()
        for filename in os.listdir(devicesdir):
            dev = Device()
            cameras = []
            bluetooth = {}
            screen = []
            peripherals = []

            with open(os.path.join(devicesdir, filename), "r") as stream:
                try:
                    data = yaml.safe_load(stream)
                    print(data['codename'])
                    for key, value in data.items():
                        
                 #       if key == "architecture":
                 #           if type(value) == dict():
                 #               setattr(dev, key, value)
                 #           else: #type(value) == str():
                 #               setattr(dev, key, dict({ 'cpu' : value }))
                        #match caso:
                        #    case dict():
                        #        print('dict')
                        if key == "bluetooth":
                            if not 'profiles' in value.keys():
                                value['profiles'] = None
                            #  get() returned more than one Bluetooth -- it returned 2!   
                            bt = Bluetooth.objects.filter(**value)
                            # __exact? https://docs.djangoproject.com/en/4.1/ref/models/querysets/#exact
                            if not bt.exists():
                                bt = Bluetooth()
                                for subkey, subvalue in value.items():
                                    if not hasattr(value, 'profiles'):
                                        setattr(bt, 'profiles', None)
                                    setattr(bt, subkey, subvalue)
                                bt.save()
                            else:
                                bt = bt.get(spec=value['spec'], profiles=value['profiles'])
                            bluetooth = bt
                        elif key == "cameras":
                            for c in value:
                                cam = set_camera(c)
                                cameras.append(cam)
                        elif key == "peripherals":
                            if str(value) == "None":
                                value = None
                        elif key == "storage":
                            if str(value) == "None":
                                value = None
                        elif key == "screen":
                            if type(value) is list:
                                for s in value:
                                    for k,v in s.items():
                                        screen.append(set_screen(v))
                            elif type(value) is dict:
                                screen.append(set_screen(value))
                        else:
                            setattr(dev, key, value)
                except yaml.YAMLError as exc:
                    print(exc)
                    stream.close()
            dev.save()
            dev.bluetooth = bluetooth
            for cam in cameras:
               dev.cameras.add(cam)
            dev.save()