from django import forms
from django.contrib.auth.models import User
from .models import ApiKey, Attachment, Item, UserPreference


class MultipleFileInput(forms.ClearableFileInput):
    allow_multiple_selected = True


class MultipleFileField(forms.FileField):
    def clean(self, data, initial=None):
        if not data:
            return []
        files = data if isinstance(data, (list, tuple)) else [data]
        return [super(MultipleFileField, self).clean(file, initial) for file in files]


class QuickItemForm(forms.ModelForm):
    files = MultipleFileField(required=False, widget=MultipleFileInput(attrs={'multiple': True}))

    class Meta:
        model = Item
        fields = ['content']
        widgets = {'content': forms.Textarea(attrs={
            'class': 'form-control form-control-lg',
            'rows': 3,
            'placeholder': 'Schreibe etwas … /todo /link /public #tag [[note:1]]',
            'x-model': 'text',
            '@keydown': 'onKeydown($event)',
            '@input': 'onInput($event)',
            '@paste': 'handlePaste($event)',
        })}


class EditItemForm(forms.ModelForm):
    files = MultipleFileField(required=False, widget=MultipleFileInput(attrs={'multiple': True}))

    class Meta:
        model = Item
        fields = ['content', 'comment', 'visibility', 'due_at', 'url']
        widgets = {
            'comment': forms.Textarea(attrs={'class': 'form-control', 'rows': 3}),
            'due_at': forms.DateTimeInput(attrs={'type': 'datetime-local'}, format='%Y-%m-%dT%H:%M'),
            'url': forms.URLInput(attrs={'class': 'form-control', 'placeholder': 'URL'}),
        }

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.fields['due_at'].input_formats = ['%Y-%m-%dT%H:%M']


class UserSettingsForm(forms.ModelForm):
    class Meta:
        model = User
        fields = ['first_name', 'last_name', 'email']
        widgets = {field: forms.TextInput(attrs={'class': 'form-control'}) for field in ['first_name', 'last_name', 'email']}


class UserPreferenceForm(forms.ModelForm):
    class Meta:
        model = UserPreference
        fields = ['show_notes', 'show_open_todos', 'show_done_todos', 'show_links', 'show_journal', 'overview_lines']
        labels = {
            'show_notes': 'Notizen anzeigen',
            'show_open_todos': 'Offene Aufgaben anzeigen',
            'show_done_todos': 'Erledigte Aufgaben anzeigen',
            'show_links': 'Links anzeigen',
            'show_journal': 'Journal anzeigen',
            'overview_lines': 'Zeilen in der Übersicht',
        }
        widgets = {'overview_lines': forms.NumberInput(attrs={'class': 'form-control', 'min': 1, 'max': 50})}


class ApiKeyForm(forms.ModelForm):
    class Meta:
        model = ApiKey
        fields = ['name', 'tags']
        widgets = {
            'name': forms.TextInput(attrs={'class': 'form-control', 'placeholder': 'Name des API Keys'}),
            'tags': forms.CheckboxSelectMultiple(),
        }


class AttachmentForm(forms.ModelForm):
    class Meta:
        model = Attachment
        fields = ['file']