import { describe, it, expect } from 'vitest';
import { decide } from './enforce-memory-coverage.mjs';

function entries(userPrompt, assistantText) {
  const out = [];
  if (userPrompt) out.push({ message: { role: 'user', content: userPrompt } });
  if (assistantText) out.push({ message: { role: 'assistant', content: [{ type: 'text', text: assistantText }] } });
  return out;
}

describe('enforce-memory-coverage / decide', () => {
  it('allows non-memory paths regardless of coverage', () => {
    const r = decide({
      toolName: 'Write',
      filePath: 'tools/foo.mjs',
      transcriptEntries: entries('do it', 'coverage: skill:tdd'),
    });
    expect(r.block).toBe(false);
  });

  it('blocks memory path with TDD coverage (stale)', () => {
    const r = decide({
      toolName: 'Edit',
      filePath: 'C:\\Users\\x\\.claude\\projects\\proj\\memory\\foo.md',
      transcriptEntries: entries('do', 'coverage: skill:superpowers:test-driven-development'),
    });
    expect(r.block).toBe(true);
    expect(r.message).toMatch(/memory-sync/);
    // 1A (2026-05-31): не рекламировать мёртвую override-фразу (findOverride — заглушка v4).
    expect(r.message).not.toMatch(/Override:/);
    expect(r.message).not.toMatch(/memory dump/);
  });

  it('blocks memory path with no coverage at all', () => {
    const r = decide({
      toolName: 'Write',
      filePath: '/Users/x/.claude/projects/p/memory/x.md',
      transcriptEntries: entries('do', 'no coverage line here'),
    });
    expect(r.block).toBe(true);
    expect(r.message).toMatch(/NONE/);
  });

  it('allows memory path with direct:memory-sync coverage', () => {
    const r = decide({
      toolName: 'Edit',
      filePath: 'C:\\Users\\x\\.claude\\projects\\proj\\memory\\foo.md',
      transcriptEntries: entries('do', 'coverage: direct:memory-sync\nок'),
    });
    expect(r.block).toBe(false);
  });

  it('allows memory path with skill:memory-something coverage', () => {
    const r = decide({
      toolName: 'Edit',
      filePath: '/x/.claude/projects/p/memory/foo.md',
      transcriptEntries: entries('do', 'coverage: skill:memory-coordinator'),
    });
    expect(r.block).toBe(false);
  });

  it('allows memory path when override phrase present', () => {
    const r = decide({
      toolName: 'Write',
      filePath: '/x/.claude/projects/p/memory/foo.md',
      transcriptEntries: entries('memory dump please', 'no coverage'),
      override: { phrase: 'memory dump', suppresses: ['memory-sync-coverage'] },
    });
    expect(r.block).toBe(false);
  });

  it('skips non-Edit/Write/MultiEdit tools', () => {
    const r = decide({
      toolName: 'Bash',
      filePath: 'memory/x.md',
      transcriptEntries: entries('do', 'no coverage'),
    });
    expect(r.block).toBe(false);
  });

  it('matches MEMORY.md anywhere', () => {
    const r = decide({
      toolName: 'Edit',
      filePath: '/whatever/MEMORY.md',
      transcriptEntries: entries('do', 'coverage: skill:tdd'),
    });
    expect(r.block).toBe(true);
  });
});