import { describe, expect, it } from 'vitest';

import { deriveDirectProjectTurnStatus } from '../src/view/project-development/chat/controller/useDirectProjectTurnStatus';
import type { DirectChatTurn } from '../src/view/project-development/chat/conversation/directTurnPresentation';

const turn = (key: string, state: DirectChatTurn['state']): DirectChatTurn => ({
  key,
  users: [],
  process: [],
  finals: [],
  state,
  startedAt: 1_800_000_000_000,
  endedAt: 0,
});

describe('DirectProject 回合状态派生', () => {
  it('displayBusy 是原生真相与本地命令在飞的并集', () => {
    expect(
      deriveDirectProjectTurnStatus({
        turnRunning: true,
        turnBusy: false,
        turns: [],
      }).displayBusy,
    ).toBe(true);
    expect(
      deriveDirectProjectTurnStatus({
        turnRunning: false,
        turnBusy: true,
        turns: [],
      }).displayBusy,
    ).toBe(true);
    expect(
      deriveDirectProjectTurnStatus({
        turnRunning: false,
        turnBusy: false,
        turns: [],
      }).displayBusy,
    ).toBe(false);
  });

  it('两个来源各自独立暴露，不被并集吃掉', () => {
    const status = deriveDirectProjectTurnStatus({
      turnRunning: true,
      turnBusy: true,
      turns: [],
    });
    expect(status.nativeRunning).toBe(true);
    expect(status.commandInFlight).toBe(true);
  });

  it('latestTurnState 取最新一轮的三态；没有回合时为 null', () => {
    expect(
      deriveDirectProjectTurnStatus({
        turnRunning: false,
        turnBusy: false,
        turns: [turn('u1', 'finished'), turn('u2', 'awaiting-start')],
      }).latestTurnState,
    ).toBe('awaiting-start');
    expect(
      deriveDirectProjectTurnStatus({
        turnRunning: false,
        turnBusy: false,
        turns: [],
      }).latestTurnState,
    ).toBeNull();
  });

  it('本地命令在飞不等于原生在跑', () => {
    const status = deriveDirectProjectTurnStatus({
      turnRunning: false,
      turnBusy: true,
      turns: [turn('u1', 'awaiting-start')],
    });
    expect(status.nativeRunning).toBe(false);
    expect(status.latestTurnState).toBe('awaiting-start');
  });
});