import re

from django import forms
from eve_api.models import EVEAccount, EVEPlayerCharacter, EVEPlayerCorporation


class EveAPIForm(forms.Form):
    """ EVE API input form """

    user_id = forms.IntegerField(label=u'User ID')
    api_key = forms.CharField(label=u'API Key', max_length=64)
    description = forms.CharField(max_length=100, required=False)

    def clean_api_key(self):

        if not len(self.cleaned_data['api_key']) == 64:
            raise forms.ValidationError("Provided API Key is not 64 characters long.")

        if re.search(r'[^\.a-zA-Z0-9]', self.cleaned_data['api_key']):
            raise forms.ValidationError("Provided API Key has invalid characters.")

        return self.cleaned_data['api_key']

    def clean_user_id(self):

        if not 'user_id' in self.cleaned_data or self.cleaned_data['user_id'] == '':
            raise forms.ValidationError("Please provide a valid User ID")

        try:
            int(self.cleaned_data['user_id'])
        except ValueError:
            raise forms.ValidationError("Please provide a valid user ID.")

        try:
            eaccount = EVEAccount.objects.get(api_user_id=self.cleaned_data['user_id'])
        except EVEAccount.DoesNotExist:
            pass
        else:
            raise forms.ValidationError("This API User ID is already registered")

        return self.cleaned_data['user_id']