import { beforeAll, beforeEach, describe, expect, it } from "vitest";
import { GOV_ORG, GOV_AGENT_A, GOV_AGENT_B, GOV_MANAGER, GOV_ADMIN, GOV_CONV_AGENT_B, GOV_CONV_UNASSIGNED, seedGov, sql, countAs } from "./gov-helpers";
beforeAll(seedGov);
beforeEach(()=>{
 sql(`update public.organizations set settings=jsonb_set(coalesce(settings,'{}'),'{visibility_mode}','"own_and_unassigned"') where id='${GOV_ORG}';
 update public.conversations set assigned_to_user_id='${GOV_AGENT_B}', assignee_kind='user', status='claimed' where id='${GOV_CONV_AGENT_B}';
 update public.conversations set assigned_to_user_id=null,assignee_kind=null,assigned_to_user_name=null,status='open' where id='${GOV_CONV_UNASSIGNED}';`);
});
const lit=(v:string|null)=>v ? `'${v}'` : 'null';
const assign=(user:string,conv:string,target:string|null,optimistic=false,expected:string|null=null)=>countAs(user,`select count(*) from public.fn_conversation_assign('${GOV_ORG}','${conv}',${lit(target)},'transfer',${lit(expected)},${optimistic})`);
const INEXISTENTE="cccccccc-4444-4000-8000-0000000000ff";
describe("atribuição não amplia escopo de leitura",()=>{
 it("atendente não rouba/revela conversa oculta, e não grava evento",()=>{
  const before=sql(`select count(*) from conversation_assignment_events where conversation_id='${GOV_CONV_AGENT_B}'`);
  expect(countAs(GOV_AGENT_A,`select count(*) from conversations where id='${GOV_CONV_AGENT_B}'`)).toBe(0);
  expect(assign(GOV_AGENT_A,GOV_CONV_AGENT_B,GOV_AGENT_A)).toBe(0);
  expect(sql(`select assigned_to_user_id from conversations where id='${GOV_CONV_AGENT_B}'`)).toBe(GOV_AGENT_B);
  expect(sql(`select count(*) from conversation_assignment_events where conversation_id='${GOV_CONV_AGENT_B}'`)).toBe(before);
 });
 it("dono pode transferir a conversa e a IA fica silenciada",()=>{
  expect(assign(GOV_AGENT_B,GOV_CONV_AGENT_B,GOV_AGENT_A)).toBe(1);
  expect(sql(`select bot_silenced_until='infinity'::timestamptz from conversations where id='${GOV_CONV_AGENT_B}'`)).toBe('t');
 });
 it.each([GOV_MANAGER,GOV_ADMIN])("gestão conserva transferência de toda a operação %s",user=>{
  expect(assign(user,GOV_CONV_AGENT_B,GOV_AGENT_A)).toBe(1);
 });
 it("fila visível pode ser assumida; disputa otimista mantém zero linhas",()=>{
  expect(assign(GOV_AGENT_A,GOV_CONV_UNASSIGNED,GOV_AGENT_A,true)).toBe(1);
  expect(assign(GOV_AGENT_B,GOV_CONV_UNASSIGNED,GOV_AGENT_B,true)).toBe(0);
 });
 it("modo all conserva o escopo compartilhado explicitamente configurado",()=>{
  sql(`update organizations set settings=jsonb_set(settings,'{visibility_mode}','"all"') where id='${GOV_ORG}'`);
  expect(assign(GOV_AGENT_A,GOV_CONV_AGENT_B,GOV_AGENT_A)).toBe(1);
 });
 it("modo own não pode reivindicar conversa sem dono que não enxerga",()=>{
  sql(`update organizations set settings=jsonb_set(settings,'{visibility_mode}','"own"') where id='${GOV_ORG}'`);
  expect(assign(GOV_AGENT_A,GOV_CONV_UNASSIGNED,GOV_AGENT_A)).toBe(0);
  expect(sql(`select assigned_to_user_id from conversations where id='${GOV_CONV_UNASSIGNED}'`)).toBe("");
 });
 it("conversa fora da visibilidade responde igual a inexistente, qualquer que seja o expected",()=>{
  const respostas=[GOV_AGENT_B,GOV_AGENT_A,null].map(expected=>assign(GOV_AGENT_A,GOV_CONV_AGENT_B,GOV_AGENT_A,true,expected));
  expect(respostas).toEqual([0,0,0]);
  expect(assign(GOV_AGENT_A,INEXISTENTE,GOV_AGENT_A,true,GOV_AGENT_B)).toBe(0);
  expect(sql(`select assigned_to_user_id from conversations where id='${GOV_CONV_AGENT_B}'`)).toBe(GOV_AGENT_B);
 });
 it("conversa visível com o expected certo é atribuída (controle)",()=>{
  expect(assign(GOV_AGENT_B,GOV_CONV_AGENT_B,GOV_AGENT_A,true,GOV_AGENT_B)).toBe(1);
  expect(sql(`select assigned_to_user_id from conversations where id='${GOV_CONV_AGENT_B}'`)).toBe(GOV_AGENT_A);
 });
});