# -*- coding: utf-8 -*-
#
# Copyright (C) 2019 Chris Caron <lead2gold@gmail.com>
# All rights reserved.
#
# This code is licensed under the MIT License.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files(the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions :
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

import apprise
from django import forms
from django.utils.translation import gettext_lazy as _

# Auto-Detect Keyword
AUTO_DETECT_CONFIG_KEYWORD = 'auto'

# Define our potential configuration types
CONFIG_FORMATS = (
    (AUTO_DETECT_CONFIG_KEYWORD, _('Auto-Detect')),
    (apprise.ConfigFormat.TEXT, _('TEXT')),
    (apprise.ConfigFormat.YAML, _('YAML')),
)

NOTIFICATION_TYPES = (
    (apprise.NotifyType.INFO, _('Info')),
    (apprise.NotifyType.SUCCESS, _('Success')),
    (apprise.NotifyType.WARNING, _('Warning')),
    (apprise.NotifyType.FAILURE, _('Failure')),
)

# Define our potential input text categories
INPUT_FORMATS = (
    (apprise.NotifyFormat.TEXT, _('TEXT')),
    (apprise.NotifyFormat.MARKDOWN, _('MARKDOWN')),
    (apprise.NotifyFormat.HTML, _('HTML')),
    # As-is - do not interpret it
    (None, _('IGNORE')),
)

URLS_MAX_LEN = 1024
URLS_PLACEHOLDER = 'mailto://user:pass@domain.com, ' \
                   'slack://tokena/tokenb/tokenc, ...'


class AddByUrlForm(forms.Form):
    """
    Form field for adding entries simply by passing in a string
    of one or more URLs that have been deliminted by either a
    comma and/or a space.

    This content can just be directly fed straight into Apprise
    """
    urls = forms.CharField(
        label=_('URLs'),
        widget=forms.TextInput(attrs={'placeholder': URLS_PLACEHOLDER}),
        max_length=URLS_MAX_LEN,
    )


class AddByConfigForm(forms.Form):
    """
    This is the reading in of a configuration file which contains
    potential asset information (if yaml file) and tag details.
    """

    format = forms.ChoiceField(
        label=_('Format'),
        choices=CONFIG_FORMATS,
        initial=CONFIG_FORMATS[0][0],
        required=False,
    )

    config = forms.CharField(
        label=_('Configuration'),
        widget=forms.Textarea(),
        max_length=4096,
        required=False,
    )

    def clean_format(self):
        """
        We just ensure there is a format always set and it defaults to auto
        """
        data = self.cleaned_data['format']
        if not data:
            # Set to auto
            data = CONFIG_FORMATS[0][0]
        return data


class NotifyForm(forms.Form):
    """
    This is the reading in of a configuration file which contains
    potential asset information (if yaml file) and tag details.
    """

    format = forms.ChoiceField(
        label=_('Process As'),
        initial=INPUT_FORMATS[0][0],
        choices=INPUT_FORMATS,
        required=False,
    )

    type = forms.ChoiceField(
        label=_('Type'),
        choices=NOTIFICATION_TYPES,
        initial=NOTIFICATION_TYPES[0][0],
        required=False,
    )

    title = forms.CharField(
        label=_('Title'),
        widget=forms.TextInput(attrs={'placeholder': _('Optional Title')}),
        max_length=apprise.NotifyBase.title_maxlen,
        required=False,
    )

    body = forms.CharField(
        label=_('Body'),
        widget=forms.Textarea(
            attrs={'placeholder': _('Define your message body here...')}),
        max_length=apprise.NotifyBase.body_maxlen,
        required=False,
    )

    # Attachment Support
    attachment = forms.FileField(
        label=_('Attachment'),
        required=False,
    )

    tag = forms.CharField(
        label=_('Tags'),
        widget=forms.TextInput(
            attrs={'placeholder': _('Optional_Tag1, Optional_Tag2, ...')}),
        required=False,
    )

    # Allow support for tags keyword in addition to tag; the 'tag' field will always take priority over this
    # however adding `tags` gives the user more flexibilty to use either/or keyword
    tags = forms.CharField(
        label=_('Tags'),
        widget=forms.HiddenInput(),
        required=False,
    )

    def clean_type(self):
        """
        We just ensure there is a type always set
        """
        data = self.cleaned_data['type']
        if not data:
            # Always set a type
            data = apprise.NotifyType.INFO
        return data

    def clean_format(self):
        """
        We just ensure there is a format always set
        """
        data = self.cleaned_data['format']
        if not data:
            # Always set a type
            data = apprise.NotifyFormat.TEXT
        return data


class NotifyByUrlForm(NotifyForm):
    """
    Same as the NotifyForm but additionally processes a string of URLs to
    notify directly.
    """
    urls = forms.CharField(
        label=_('URLs'),
        widget=forms.TextInput(attrs={'placeholder': URLS_PLACEHOLDER}),
        max_length=URLS_MAX_LEN,
        required=False,
    )