from django.core.management.base import BaseCommand, CommandError
from photologue.management.commands import get_response, create_photosize
from photologue.models import PhotoEffect

class Command(BaseCommand):  
    help = ('Prompts the user to set up the default photo sizes required by Photologue.')
    requires_model_validation = True
    can_import_settings = True

    def handle(self, *args, **kwargs):
        return init(*args, **kwargs)

def init(*args, **kwargs):
    msg = '\nPhotologue requires a specific photo size to display thumbnail previews in the Django admin application.\nWould you like to generate this size now? (yes, no):'
    if get_response(msg, lambda inp: inp == 'yes', False):
        admin_thumbnail = create_photosize('admin_thumbnail', width=100, height=75, crop=True, pre_cache=True)
        msg = 'Would you like to apply a sample enhancement effect to your admin thumbnails? (yes, no):'
        if get_response(msg, lambda inp: inp == 'yes', False):
            effect, created = PhotoEffect.objects.get_or_create(name='Enhance Thumbnail', description="Increases sharpness and contrast. Works well for smaller image sizes such as thumbnails.", contrast=1.2, sharpness=1.3)
            admin_thumbnail.effect = effect
            admin_thumbnail.save()                
    msg = '\nPhotologue comes with a set of templates for setting up a complete photo gallery. These templates require you to define both a "thumbnail" and "display" size.\nWould you like to define them now? (yes, no):'
    if get_response(msg, lambda inp: inp == 'yes', False):
        thumbnail = create_photosize('thumbnail', width=100, height=75)
        display = create_photosize('display', width=400, increment_count=True)
        msg = 'Would you like to apply a sample reflection effect to your display images? (yes, no):'
        if get_response(msg, lambda inp: inp == 'yes', False):
            effect, created = PhotoEffect.objects.get_or_create(name='Display Reflection', description="Generates a reflection with a white background", reflection_size=0.4)
            display.effect = effect
            display.save()