"""                                     .. 
Jutda Helpdesk - A Django powered ticket tracker for small enterprise.

(c) Copyright 2008 Jutda. All Rights Reserved. See LICENSE for details.

forms.py - Definitions of newforms-based forms for creating and maintaining 
           tickets.
"""

from django import forms
from helpdesk.models import Ticket, Queue, FollowUp
from django.contrib.auth.models import User
from datetime import datetime
from django.utils.translation import ugettext as _

class TicketForm(forms.Form):
    queue = forms.ChoiceField(label=_('Queue'), required=True, choices=())

    title = forms.CharField(max_length=100, required=True,
                           widget=forms.TextInput(),
                           label=_('Summary of the problem'))
    
    submitter_email = forms.EmailField(required=False,
                            label=_('Submitter E-Mail Address'),
                            help_text=_('This e-mail address will receive copies of all public updates to this ticket.'))
    
    body = forms.CharField(widget=forms.Textarea(),
                           label=_('Description of Issue'), required=True)
    
    assigned_to = forms.ChoiceField(choices=(), required=False,
                           label=_('Case owner'),
                           help_text=_('If you select an owner other than yourself, they\'ll be e-mailed details of this ticket immediately.'))

    priority = forms.ChoiceField(choices=Ticket.PRIORITY_CHOICES,
                            required=False,
                            initial='3',
                            label=_('Priority'),
                            help_text=_('Please select a priority carefully. If unsure, leave it as \'3\'.'))
    
    def save(self, user):
        """
        Writes and returns a Ticket() object
        
        """
        q = Queue.objects.get(id=int(self.cleaned_data['queue']))
        
        t = Ticket( title = self.cleaned_data['title'], 
                    submitter_email = self.cleaned_data['submitter_email'],
                    created = datetime.now(),
                    status = Ticket.OPEN_STATUS,
                    queue = q,
                    description = self.cleaned_data['body'],
                    priority = self.cleaned_data['priority'],
                  )
        
        if self.cleaned_data['assigned_to']:
            try:
                u = User.objects.get(id=self.cleaned_data['assigned_to'])
                t.assigned_to = u
            except User.DoesNotExist:
                t.assigned_to = None
        t.save()

        f = FollowUp(   ticket = t,
                        title = _('Ticket Opened'),
                        date = datetime.now(),
                        public = True,
                        comment = self.cleaned_data['body'],
                        user = user,
                     )
        if self.cleaned_data['assigned_to']:
            f.title = _('Ticket Opened & Assigned to %(name)s') % {'name': t.get_assigned_to}

        f.save()
        
        context = {
            'ticket': t,
            'queue': q,
        }

        from helpdesk.lib import send_templated_mail

        if t.submitter_email:
            send_templated_mail('newticket_submitter', context, recipients=t.submitter_email, sender=q.from_address, fail_silently=True)

        if t.assigned_to and t.assigned_to != user:
            send_templated_mail('assigned_owner', context, recipients=t.assigned_to.email, sender=q.from_address, fail_silently=True)

        if q.new_ticket_cc:
            send_templated_mail('newticket_cc', context, recipients=q.new_ticket_cc, sender=q.from_address, fail_silently=True)
        
        if q.updated_ticket_cc and q.updated_ticket_cc != q.new_ticket_cc:
            send_templated_mail('newticket_cc', context, recipients=q.updated_ticket_cc, sender=q.from_address, fail_silently=True)

        return t

class PublicTicketForm(forms.Form):
    queue = forms.ChoiceField(label=_('Queue'), required=True, choices=())

    title = forms.CharField(max_length=100, required=True,
                            widget=forms.TextInput(),
                            label=_('Summary of your query'))
    
    submitter_email = forms.EmailField(required=True,
                            label=_('Your E-Mail Address'),
                            help_text=_('We will e-mail you when your ticket is updated.'))
    
    body = forms.CharField(widget=forms.Textarea(),
                            label=_('Description of your issue'), required=True,
                            help_text=_('Please be as descriptive as possible, including any details we may need to address your query.'))
    
    priority = forms.ChoiceField(choices=Ticket.PRIORITY_CHOICES,
                            required=True,
                            initial='3',
                            label=_('Urgency'),
                            help_text=_('Please select a priority carefully.'))
    
    def save(self):
        """
        Writes and returns a Ticket() object
        
        """
        q = Queue.objects.get(id=int(self.cleaned_data['queue']))
        
        t = Ticket( title = self.cleaned_data['title'], 
                    submitter_email = self.cleaned_data['submitter_email'],
                    created = datetime.now(),
                    status = Ticket.OPEN_STATUS,
                    queue = q,
                    description = self.cleaned_data['body'],
                    priority = self.cleaned_data['priority'],
                  )
        
        t.save()

        f = FollowUp(   ticket = t,
                        title = _('Ticket Opened Via Web'),
                        date = datetime.now(),
                        public = True,
                        comment = self.cleaned_data['body'],
                     )

        f.save()
        
        context = {
            'ticket': t,
            'queue': q,
        }

        from helpdesk.lib import send_templated_mail
        send_templated_mail('newticket_submitter', context, recipients=t.submitter_email, sender=q.from_address, fail_silently=True)

        if q.new_ticket_cc:
            send_templated_mail('newticket_cc', context, recipients=q.new_ticket_cc, sender=q.from_address, fail_silently=True)
        
        if q.updated_ticket_cc and q.updated_ticket_cc != q.new_ticket_cc:
            send_templated_mail('newticket_cc', context, recipients=q.updated_ticket_cc, sender=q.from_address, fail_silently=True)

        return t