from django.contrib import admin
from .models import GroupDispatch,SLAConfig,Ticket,TicketAccessGrant,TicketCategory,TicketEvent,TicketReadState,TicketTag
@admin.register(Ticket)
class TicketAdmin(admin.ModelAdmin):
    list_display=("ticket_number","subject","owning_unit","delivery_type","status","priority","owner","last_activity_at")
    list_filter=("owning_unit","assigned_unit","delivery_type","status","priority","category","tags")
    search_fields=("ticket_number","subject","customer__mobile","customer__customer_profile__organization_name")
    filter_horizontal=("tags",)


class DispatchTicketInline(admin.TabularInline):
    model = Ticket
    extra = 0
    fields = ("ticket_number", "customer", "status", "last_activity_at")
    readonly_fields = fields
    can_delete = False

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


@admin.register(GroupDispatch)
class GroupDispatchAdmin(admin.ModelAdmin):
    list_display = ("subject", "unit", "contact_group", "status", "recipient_count", "dispatched_at")
    list_filter = ("unit", "status", "contact_group")
    search_fields = ("subject", "created_by__username")
    readonly_fields = ("recipient_count", "dispatched_at")
    inlines = (DispatchTicketInline,)


@admin.register(TicketCategory)
class TicketCategoryAdmin(admin.ModelAdmin):
    list_display=("title","unit","sort_order","show_in_customer_form","is_active")
    list_filter=("unit","show_in_customer_form","is_active")
    search_fields=("title","description","search_keywords","unit__name","unit__search_keywords")
    list_editable=("is_active","show_in_customer_form","sort_order")


admin.site.register([SLAConfig,TicketAccessGrant,TicketEvent,TicketReadState,TicketTag])