from django import forms

from django.forms import ModelForm

from django.contrib.auth.forms import UserCreationForm
from django.contrib.auth.models import User
from django.core.validators import MinLengthValidator, MinValueValidator, \
RegexValidator, URLValidator
from captcha.fields import ReCaptchaField

from website.models import Proposal

MY_CHOICES = (
    ('Beginner', 'Beginner'),
    ('Advanced', 'Advanced'),
)

ws_duration = (
    ('2', '2'),
    ('3', '3'),
    ('4', '4'),
)
abs_duration = (
    ('15', '15'),
    ('30', '30'),
)


MY_CHOICES = (
    ('Beginner', 'Beginner'),
    ('Advanced', 'Advanced'),
)
rating=(
    ('1','1'),
    ('2','2'),
    ('3','3'),
    ('4','4'),
    ('5','5'),
    ('6','6'),
    ('7','7'),
    ('8','8'),
    ('9','9'),
    ('10','10'),
)



class ProposalForm(forms.ModelForm):

    class Meta:
        model = Proposal
        exclude = ('user', 'email','prerequisite','status','rate')


    about_me = forms.CharField(widget=forms.Textarea(attrs={'class': 'form-control', 'placeholder': 'About Me'}),
                        required = True,
                        error_messages = {'required':'About me field required.'},  
                        )
    attachment = forms.FileField(widget=forms.ClearableFileInput(attrs={'multiple': True}),
                        label = 'Please upload relevant documents (if any)',
                        required = False,)   
    phone = forms.CharField(min_length = 10, max_length = 12, widget=forms.TextInput(attrs={'class': 'form-control', 'placeholder': 'Phone'}),required=False, validators = [RegexValidator(regex = '^[0-9-_+.]*$', message='Enter a Valid Phone Number',)],
                             # error_messages = {'required':'Title field required.'},  
                                )
    title = forms.CharField(widget=forms.TextInput(attrs={'class': 'form-control', 'placeholder': 'Title'}),
                        required = True,
                        error_messages = {'required':'Title field required.'},  
                            )
    abstract = forms.CharField(min_length = 300,  widget=forms.Textarea(attrs={'class': 'form-control', 'placeholder': 'Abstract'}),
                        required = True,
                        label = 'Abstract (Min. 300 char.)',
                        error_messages = {'required':'Abstract field required.'},  
                        )
    proposal_type = forms.CharField(widget = forms.HiddenInput(), label = '', initial = 'ABSTRACT', required=False)
    
    duration = forms.ChoiceField(choices=abs_duration, label = 'Duration (Mins.)')

    tags = forms.CharField(widget=forms.TextInput(attrs={'class': 'form-control', 'placeholder': 'Tags'}),
                        required = False,
                        )
    

    class Meta:
        model = Proposal
        exclude = ('user', 'email','prerequisite','status','rate')


    def clean_attachment(self):
        import os
        cleaned_data = self.cleaned_data
        attachment = cleaned_data.get('attachment', None)
        if attachment:
            ext = os.path.splitext(attachment.name)[1]
            valid_extensions = ['.pdf']
            if not ext in valid_extensions:
                raise forms.ValidationError(u'File not supported!  Only .pdf file is accepted')
            if attachment.size > (5*1024*1024):
                raise forms.ValidationError('File size exceeds 5MB')
        return attachment

class WorkshopForm(forms.ModelForm):
    about_me = forms.CharField(widget=forms.Textarea(attrs={'class': 'form-control', 'placeholder': 'About Me'}),
                        required = True,
                        error_messages = {'required':'About Me field required.'},  
                        )
    attachment = forms.FileField(widget=forms.ClearableFileInput(attrs={'multiple': True}),
                        label = 'Please upload relevant documents (if any)',
                        required = False,)   
    phone = forms.CharField(min_length = 10, max_length = 12, widget=forms.TextInput(attrs={'class': 'form-control', 'placeholder': 'Phone'}),required=False, validators = [RegexValidator(regex = '^[0-9-_+.]*$', message='Enter a Valid Phone Number',)],
                                )
    title = forms.CharField(widget=forms.TextInput(attrs={'class': 'form-control', 'placeholder': 'Title'}),
                        required = True,
                        error_messages = {'required':'Title field required.'},  
                            )
    abstract = forms.CharField(min_length = 300 ,widget=forms.Textarea(attrs={'class': 'form-control', 'placeholder': 'Desciption'}),
                        required = True,
                        label = 'Description (Min. 300 char.)',
                        error_messages = {'required':'Abstract field required.'},  
                        )
    prerequisite = forms.CharField(widget=forms.Textarea(attrs={'class': 'form-control', 'placeholder': 'Prerequisite'}),
                        label = 'Prerequisites',
                        required = False,
                        )
    proposal_type = forms.CharField(widget = forms.HiddenInput(), label = '', required=False, initial = 'WORKSHOP')

    duration = forms.ChoiceField(choices=ws_duration, label = 'Duration (Hrs.)')

    tags = forms.ChoiceField(choices=MY_CHOICES, label = 'Level')
    
    class Meta:
        model = Proposal
        exclude = ('user', 'email','status','rate')

    def clean_attachment(self):
        import os
        cleaned_data = self.cleaned_data
        attachment = cleaned_data.get('attachment', None)
        if attachment:
            ext = os.path.splitext(attachment.name)[1]
            valid_extensions = ['.pdf',]
            if not ext in valid_extensions:
                raise forms.ValidationError(u'File not supported! Only .pdf file is accepted')
            if attachment.size > (5*1024*1024):
                raise forms.ValidationError('File size exceeds 5MB')
        return attachment


class UserLoginForm(forms.Form):
    username = forms.CharField(
            widget=forms.TextInput(attrs={'class': 'form-inline', 'placeholder': 'Username'}), 
            label='User Name'
        )
    password = forms.CharField(
            widget=forms.PasswordInput(attrs={'class': 'form-inline', 'placeholder': 'Password'}), 
            label='Password'
        )