from django.contrib import admin
from django.utils.translation import gettext_lazy as _
from unfold.admin import ModelAdmin
from unfold.decorators import display
from django.utils.html import format_html
from django import forms
from dj_language.models import Language 

from filer.models.thumbnailoptionmodels import ThumbnailOption
# from filer.admin.thumbnailoptionmodels import ThumbnailOptionAdmin as OriginalThumbnailOptionAdmin

from .models import Comment, AppVersion


admin.site.unregister(ThumbnailOption)

@admin.register(ThumbnailOption)
class ThumbnailOptionAdmin(ModelAdmin):
    list_display = ['name', 'dimensions_display', 'crop', 'upscale', 'preview']
    list_filter = ['crop', 'upscale']
    search_fields = ['name']
    
    fieldsets = (
        (None, {
            'fields': ('name', 'width', 'height', 'crop', 'upscale'),
            'classes': ('unfold-fieldset',),
        }),
    )
    
    @display(description=_("Dimensions"))
    def dimensions_display(self, obj):
        return f"{obj.width} × {obj.height}"
    
    @display(description=_("Preview"))
    def preview(self, obj):
        # ایجاد یک نمایش بصری از ابعاد تصویر بندانگشتی
        width_percent = min(100, obj.width / 10)  # محدود کردن عرض به حداکثر 100%
        height_px = min(50, obj.height / 5)  # محدود کردن ارتفاع به حداکثر 50px
        
        return format_html(
            '<div style="width:{}%; height:{}px; background-color:#e0e0e0; border:1px solid #ccc; display:flex; align-items:center; justify-content:center;">'
            '<span style="font-size:10px; color:#666;">{} × {}</span>'
            '</div>',
            width_percent, height_px, obj.width, obj.height
        )
    
    # اضافه کردن فیلتر سلسله مراتبی برای نام
    def changelist_view(self, request, extra_context=None):
        # گرفتن حرف اول از پارامتر URL
        first_letter = request.GET.get('first_letter', '')
        
        # ایجاد لیست حروف الفبا
        alphabet = [chr(i) for i in range(ord('A'), ord('Z')+1)]
        
        # اضافه کردن به context
        if extra_context is None:
            extra_context = {}
        
        extra_context['alphabet'] = alphabet
        extra_context['selected_letter'] = first_letter
        
        # اعمال فیلتر به queryset اگر حرف انتخاب شده باشد
        if first_letter:
            original_get_queryset = self.get_queryset
            
            def filtered_queryset(request):
                qs = original_get_queryset(request)
                if first_letter == '0-9':
                    return qs.filter(name__regex=r'^[0-9]')
                return qs.filter(name__istartswith=first_letter)
            
            self.get_queryset = filtered_queryset
        
        return super().changelist_view(request, extra_context=extra_context)


from utils.admin import project_admin_site, dovoodi_admin_site
project_admin_site.register(ThumbnailOption, ThumbnailOptionAdmin)
dovoodi_admin_site.register(ThumbnailOption, ThumbnailOptionAdmin)

class CommentAdminForm(forms.ModelForm):
    class Meta:
        model = Comment
        fields = '__all__'

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        
        # 2. Filter the actual database objects instead of hardcoding strings
        if 'language' in self.fields:
            self.fields['language'].queryset = Language.objects.filter(code__in=['en', 'ru'])


class CommentAdmin(ModelAdmin):
    form = CommentAdminForm
    list_display = [
        'user_fullname',
        'language',
        'order',
        'created_at',
    ]
    search_fields = ['user_fullname', 'comment_text']
    list_filter = ['language', 'created_at']
    ordering = ['order', '-created_at']


class AppVersionAdmin(ModelAdmin):
    list_display = [
        'version',
        'app_type',
        'is_active',
        'created_at',
    ]
    search_fields = ['version', 'description']
    list_filter = ['app_type', 'is_active', 'created_at']
    ordering = ['-created_at']


# Register models with both admin sites
# project_admin_site.register(Comment, CommentAdmin)
project_admin_site.register(AppVersion, AppVersionAdmin)
# dovoodi_admin_site.register(Comment, CommentAdmin)
dovoodi_admin_site.register(AppVersion, AppVersionAdmin)