from django.contrib import admin
from django.db import models 
from django.shortcuts import redirect
from django.urls import reverse
# 1. Change TabularInline to StackedInline
from unfold.admin import ModelAdmin, TabularInline
from utils.admin import dovoodi_admin_site, project_admin_site
from .models import AgentSettings, AgentPrompt

class AgentPromptInline(TabularInline): 
    model = AgentPrompt
    extra = 0
    fields = ('is_active', 'content') 
    
    formfield_overrides = {
        models.TextField: {
            'widget': admin.widgets.AdminTextareaWidget(attrs={
                # 1. HEIGHT: Set to 1 row to keep it compact (it will expand if they type)
                'rows': 2,
                
                'class': (
                    'border border-gray-300 rounded-md shadow-sm '
                    'w-full block sm:text-sm '
                    'bg-white text-gray-900 '
                    'dark:bg-gray-900 dark:text-white dark:border-gray-700 '
                    'focus:ring-primary-500 focus:border-primary-500'
                ),
                
                # 2. SIZE FIX:
                # - background/color: inherit to keep your color fix
                # - min-width: 600px to force the table column to be wide
                # - width: 100% to fill that 600px+ space
                'style': (
                    'background-color: inherit; '
                    'color: inherit; '
                    'width: 100%; '
                    'min-width: 700px; ' # Increased slightly for even better UX
                    'resize: vertical;'
                )
            })
        },
    }
class AgentSettingsAdmin(ModelAdmin):
    # ... keep your existing permission and redirect logic ...
    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)

    # 2. Add the Stacked Inline
    inlines = [AgentPromptInline]

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