from django.contrib import admin
from django.utils.html import format_html
from quiz.models import Option


@admin.register(Option)
class OptionAdmin(admin.ModelAdmin):
    """Admin interface for Options"""
    list_display = ['id', 'question_preview', 'letter', 'text_preview', 'is_correct']
    list_filter = ['letter']
    search_fields = ['text', 'question__text']
    readonly_fields = ['question']

    def question_preview(self, obj):
        """Show question preview"""
        return obj.question.text[:40] + '...'
    question_preview.short_description = 'Question'

    def text_preview(self, obj):
        """Show option text preview"""
        return obj.text[:50] + '...' if len(obj.text) > 50 else obj.text
    text_preview.short_description = 'Option Text'

    def is_correct(self, obj):
        """Highlight if this is the correct answer"""
        if obj.question.correct_answer and obj.letter in obj.question.correct_answer:
            return format_html('<span style="color: green; font-weight: bold;">✓ Correct</span>')
        return format_html('<span style="color: #999;">-</span>')
    is_correct.short_description = 'Status'