from django.contrib import admin
from django.utils.translation import gettext_lazy as _
from django.utils.html import format_html

from unfold.admin import ModelAdmin
from unfold.decorators import display

from apps.certificate.models import Certificate

from utils.admin import project_admin_site

@admin.register(Certificate)
class CertificateAdmin(ModelAdmin):
    list_display = ['student', 'course', 'certificate_status', 'created_at']
    list_filter = ['status', 'created_at']
    search_fields = ['id', 'student__username', 'student__email', 'course__title']
    readonly_fields = ['created_at', 'updated_at']
    autocomplete_fields = ['student',]
    fieldsets = (
        (None, {
            'fields': ('student', 'course', 'status', 'certificate_file')
        }),
        (_('Timestamps'), {
            'fields': ('created_at', 'updated_at'),
            'classes': ('collapse',)
        }),
    )
    
    @display(description=_("Status"), ordering="status")
    def certificate_status(self, obj):
        status_classes = {
            'pending': 'unfold-badge unfold-badge--warning',
            'approved': 'unfold-badge unfold-badge--success',
            'rejected': 'unfold-badge unfold-badge--danger',
            'issued': 'unfold-badge unfold-badge--info',
        }
        
        status_class = status_classes.get(obj.status.lower(), 'unfold-badge')
        return format_html('<span class="{}">{}</span>', status_class, obj.get_status_display())
    
    def get_queryset(self, request):
        queryset = super().get_queryset(request)
        return queryset
project_admin_site.register(Certificate, CertificateAdmin)