from django.contrib import admin
from django.db import models 
from django.shortcuts import redirect
from django.urls import reverse
from unfold.admin import ModelAdmin, TabularInline 
from utils.admin import dovoodi_admin_site, project_admin_site
from .models import AgentSettings, AgentPrompt
from unfold.contrib.forms.widgets import WysiwygWidget

    
class AgentPromptInline(TabularInline):
    model = AgentPrompt
    extra = 0
    fields = ('is_active', 'content')

    formfield_overrides = {
        models.TextField: {
            'widget': admin.widgets.AdminTextareaWidget(attrs={
                # 1. REDUCE HEIGHT: Set rows to 1 or 2
                'rows': 2,
                
                # 🎨 STYLING
                # w-full: Fills the available space
                # bg-black: Black background
                # text-white: White text (Fixed typo from 'text-blacka')
                # border-gray-600: Border color
                # leading-normal: Adjusts line height for better vertical centering
                'class': 'w-full p-2 border rounded-md bg-black text-white border-gray-600 focus:ring-primary-500 focus:border-primary-500 leading-normal',
                
                'placeholder': 'Enter instruction prompt here...',
                
                # 2. INCREASE WIDTH: 'min-width' forces the table cell to expand
                'style': 'width: 100%; min-width: 600px; resize: vertical;' 
            })
        },
    }

class AgentSettingsAdmin(ModelAdmin):
    def has_add_permission(self, request):
        return False

    def has_delete_permission(self, request, obj=None):
        return False

    def changelist_view(self, request, extra_context=None):
        obj, created = self.model.objects.get_or_create(pk=1)
        url = reverse(
            f"{self.admin_site.name}:{self.model._meta.app_label}_{self.model._meta.model_name}_change",
            args=[obj.pk]
        )
        return redirect(url)

    inlines = [AgentPromptInline]

# Register
dovoodi_admin_site.register(AgentSettings, AgentSettingsAdmin)
project_admin_site.register(AgentSettings, AgentSettingsAdmin)