import test from 'node:test';
import assert from 'node:assert/strict';

import { getPlanCompletionState, hasPlanResult } from './version-plan-workflow';
import type { VersionPlan } from './version-plan';

function plan(patch: Partial<VersionPlan>): VersionPlan {
  return {
    id: 'plan-1',
    versionId: 'version-1',
    type: 'product',
    title: '产品方案',
    owner: 'PM',
    startTime: '2026-06-25T09:00',
    endTime: '2026-06-25T18:00',
    status: 'in_progress',
    linkedRequirementIds: ['r1'],
    completedRequirementIds: [],
    createdAt: '2026-06-25',
    addedBy: 'PM',
    ...patch,
  };
}

test('does not allow research result submission when subtasks are incomplete', () => {
  const state = getPlanCompletionState(plan({
    type: 'research',
    tasks: [{ id: 'task-1', title: '调研方向', status: 'pending' }],
    linkedRequirementIds: [],
  }));
  assert.equal(state.canSubmitResult, false);
  assert.ok(state.missingReasons.includes('子任务未全部完成'));
});

test('requires product requirement coverage when linked requirements exist', () => {
  const state = getPlanCompletionState(plan({}));
  assert.equal(state.canSubmitResult, false);
  assert.ok(state.missingReasons.includes('关联需求未全部覆盖'));
});

test('allows product result submission after coverage is complete without task checklist', () => {
  const state = getPlanCompletionState(plan({
    completedRequirementIds: ['r1'],
  }));
  assert.equal(state.canSubmitResult, true);
  assert.equal(state.canComplete, false);
});

test('allows completion only after result exists', () => {
  const state = getPlanCompletionState(plan({
    completedRequirementIds: ['r1'],
    resultType: 'link',
    resultTitle: '原型',
    resultUrl: 'https://example.com/prototype',
  }));
  assert.equal(state.canComplete, true);
});

test('ui plan does not require task checklist', () => {
  const state = getPlanCompletionState(plan({
    type: 'ui',
    completedRequirementIds: ['r1'],
  }));
  assert.equal(state.canSubmitResult, true);
});

test('research requires tasks and result but not requirement coverage', () => {
  const state = getPlanCompletionState(plan({
    type: 'research',
    tasks: [{ id: 'task-1', title: '调研', status: 'completed' }],
    linkedRequirementIds: ['r1'],
    completedRequirementIds: [],
    resultType: 'file',
    resultTitle: '调研报告',
    resultFileName: 'report.pdf',
    resultFileData: 'data:application/pdf;base64,abc',
  }));
  assert.equal(state.canComplete, true);
});

test('detects link and file result payloads', () => {
  assert.equal(hasPlanResult({ resultType: 'link', resultTitle: '原型', resultUrl: 'https://example.com' }), true);
  assert.equal(hasPlanResult({ resultType: 'file', resultTitle: '文件', resultFileName: 'a.pdf', resultFileData: 'data:pdf' }), true);
  assert.equal(hasPlanResult({ resultType: 'link', resultTitle: '原型' }), false);
});