from django.contrib import admin
from django.utils.translation import gettext_lazy as _
from unfold.admin import ModelAdmin, TabularInline
from unfold.decorators import display, action

from utils.admin import project_admin_site
from ..models import Transmitters, HadisTransmitter


class HadisTransmitterInline(TabularInline):
    """Inline for HadisTransmitter in Transmitters admin"""
    model = HadisTransmitter
    extra = 0
    fields = ('hadis', 'order')
    readonly_fields = ('created_at',)


class TransmittersAdmin(ModelAdmin):
    """Admin for Transmitters model"""
    list_display = ('get_full_name_display', 'birth_year_hijri', 'death_year_hijri')
    list_filter = ('birth_year_hijri', 'death_year_hijri')
    search_fields = ('full_name', 'description')
    readonly_fields = ('created_at', 'updated_at')
    inlines = [HadisTransmitterInline]

    fieldsets = (
        (None, {
            'fields': ('full_name', 'birth_year_hijri', 'death_year_hijri')
        }),
        (_('Additional Information'), {
            'fields': ('description',),
            'classes': ('collapse',)
        }),
        (_('Timestamps'), {
            'fields': ('created_at', 'updated_at'),
            'classes': ('collapse',)
        }),
    )
    @display(description=_('Full Name'), ordering='full_name')
    def get_full_name_display(self, obj):
        """
        Parses the JSON full_name and returns the first item's text.
        """
        if obj.full_name and isinstance(obj.full_name, list) and len(obj.full_name) > 0:
            # Safely get the first item
            first_item = obj.full_name[0]
            if isinstance(first_item, dict):
                return first_item.get('text', '-')
        return '-'


class HadisTransmitterAdmin(ModelAdmin):
    """Admin for HadisTransmitter model"""
    list_display = ('hadis', 'transmitter', 'order', 'created_at')
    list_filter = ( 'created_at',)
    search_fields = ('hadis__title', 'transmitter__full_name')
    readonly_fields = ('created_at',)
    ordering = ('hadis', 'order')

    fieldsets = (
        (None, {
            'fields': ('hadis', 'transmitter', 'order')
        }),
        (_('Timestamps'), {
            'fields': ('created_at',),
            'classes': ('collapse',)
        }),
    )


# Register models with the custom admin site
project_admin_site.register(Transmitters, TransmittersAdmin)
project_admin_site.register(HadisTransmitter, HadisTransmitterAdmin)