/**
 * Critic Agent / Reflection Store / Task Eval Harness (Self-Evolving OS P1 잔여 + P3) 테스트.
 */
import * as fs from 'fs';
import * as os from 'os';
import * as path from 'path';
import {
    buildCritiquePrompt,
    parseCritique,
    runCriticReview,
    formatCriticFooter,
} from '../src/intelligence/criticAgent';
import {
    appendReflection,
    loadReflections,
    summarizeFailurePatterns,
    recurrentMisses,
    formatGrowthReport,
    ReflectionRecord,
} from '../src/intelligence/reflectionStore';
import {
    loadTaskGoldenSet,
    scoreTaskAnswer,
    runTaskEval,
    formatTaskEvalReport,
    TASK_GOLDEN_DIR,
    TaskGoldenRecord,
} from '../src/intelligence/taskEvalHarness';
import { DEFAULT_TASK_REQUIREMENTS, buildRequirementGraphBlock } from '../src/intelligence/requirementGraph';

const MEETING_REQ = DEFAULT_TASK_REQUIREMENTS.find((r) => r.id === 'meeting-minutes')!;

function tmpBrain(): string {
    return fs.mkdtempSync(path.join(os.tmpdir(), 'astra-test-brain-'));
}

function mkReflection(partial: Partial<ReflectionRecord>): ReflectionRecord {
    return {
        ts: '2026-06-11T10:00:00.000Z',
        taskId: 'meeting-minutes',
        taskLabel: '회의록',
        confidenceScore: 70,
        confidenceBand: 'medium',
        missing: [],
        escalated: false,
        criticIssues: null,
        promptPreview: '회의록 정리',
        ...partial,
    };
}

describe('criticAgent', () => {
    it('critique 프롬프트에 필수 요소와 누락 신호가 포함된다', () => {
        const { system, user } = buildCritiquePrompt('회의록 정리해줘', '초안...', MEETING_REQ, ['담당자', '기한']);
        expect(system).toContain('JSON');
        expect(user).toContain('담당자, 기한');
        expect(user).toContain('회의록');
    });

    it('코드펜스·잡설 섞인 응답에서도 JSON 을 파싱한다', () => {
        const raw = '검토 결과입니다.\n```json\n{"pass": false, "issues": [{"severity": "major", "description": "기한 누락"}], "supplement": "## 기한\\n- (기한 미정)"}\n```';
        const c = parseCritique(raw);
        expect(c).not.toBeNull();
        expect(c!.pass).toBe(false);
        expect(c!.issues[0].severity).toBe('major');
        expect(c!.supplement).toContain('기한');
    });

    it('pass=true 여도 issues 가 있으면 pass 취급하지 않는다', () => {
        const c = parseCritique('{"pass": true, "issues": [{"severity": "minor", "description": "x"}], "supplement": ""}');
        expect(c!.pass).toBe(false);
    });

    it('runCriticReview — LLM 실패 시 null (silent skip)', async () => {
        const result = await runCriticReview({
            userPrompt: 'q', draft: 'd', requirement: MEETING_REQ, missingLabels: [],
            callLlm: async () => { throw new Error('LLM down'); },
        });
        expect(result).toBeNull();
    });

    it('formatCriticFooter — pass 면 빈 문자열, 실패면 이슈+보완 표시', () => {
        expect(formatCriticFooter({ pass: true, issues: [], supplement: '' })).toBe('');
        const f = formatCriticFooter({
            pass: false,
            issues: [{ severity: 'major', description: '결정과 미결이 섞임' }],
            supplement: '## 보완',
        });
        expect(f).toContain('검수 (Critic)');
        expect(f).toContain('결정과 미결이 섞임');
        expect(f).toContain('보완 제안');
    });
});

describe('reflectionStore', () => {
    it('append → load 라운드트립', () => {
        const brain = tmpBrain();
        expect(appendReflection(brain, mkReflection({ missing: ['기한'] }))).toBe(true);
        expect(appendReflection(brain, mkReflection({ missing: ['기한', '담당자'] }))).toBe(true);
        const records = loadReflections(brain);
        expect(records.length).toBe(2);
        expect(records[1].missing).toEqual(['기한', '담당자']);
    });

    it('summarizeFailurePatterns — 반복 누락 집계 (많은 순)', () => {
        const records = [
            mkReflection({ missing: ['기한'] }),
            mkReflection({ missing: ['기한'] }),
            mkReflection({ missing: ['기한', '담당자'] }),
        ];
        const patterns = summarizeFailurePatterns(records);
        expect(patterns[0]).toMatchObject({ element: '기한', count: 3 });
        expect(patterns[1]).toMatchObject({ element: '담당자', count: 1 });
    });

    it('recurrentMisses — threshold 이상만 반환', () => {
        const records = [
            mkReflection({ missing: ['기한'] }),
            mkReflection({ missing: ['기한'] }),
            mkReflection({ missing: ['기한'] }),
            mkReflection({ missing: ['담당자'] }),
        ];
        expect(recurrentMisses(records, 'meeting-minutes', 3)).toEqual(['기한']);
        expect(recurrentMisses(records, 'market-research', 3)).toEqual([]);
    });

    it('반복 누락 요소가 Requirement Graph 블록에 강조된다 (T5 루프)', () => {
        const block = buildRequirementGraphBlock('회의록 정리해줘', undefined, ['기한']);
        expect(block).toContain('과거에 자주 누락된 요소');
    });

    it('formatGrowthReport — 주별 추이 테이블 + 반복 실수 Top', () => {
        const records = [
            mkReflection({ ts: '2026-06-01T10:00:00.000Z', confidenceScore: 60, missing: ['기한'] }),
            mkReflection({ ts: '2026-06-09T10:00:00.000Z', confidenceScore: 85, missing: [] }),
        ];
        const md = formatGrowthReport(records);
        expect(md).toContain('평균 확신도');
        expect(md).toContain('기한');
        expect(formatGrowthReport([])).toContain('기록 없음');
    });
});

describe('taskEvalHarness', () => {
    const record: TaskGoldenRecord = {
        id: 'mm-test',
        query: '이 회의 내용을 회의록으로 정리해줘',
        sourceFile: 'fake.txt',
        expectedElements: ['참석자', '결정사항', '액션 아이템', '담당자', '기한'],
        reference: 'ref',
    };

    it('골든셋 로드 — 주석·깨진 줄 처리', () => {
        const brain = tmpBrain();
        const dir = path.join(brain, TASK_GOLDEN_DIR);
        fs.mkdirSync(dir, { recursive: true });
        fs.writeFileSync(path.join(dir, 'meeting-minutes.golden.jsonl'), [
            '// 주석',
            JSON.stringify(record),
            '{broken',
            '',
        ].join('\n'), 'utf8');
        const { records, parseErrors } = loadTaskGoldenSet(brain);
        expect(records.length).toBe(1);
        expect(parseErrors).toBe(1);
        expect(records[0].id).toBe('mm-test');
    });

    it('scoreTaskAnswer — 커버리지·정직성·구조 채점', () => {
        const answer = '# 회의록\n## 참석자: 김OO\n## 결정사항: A안\n## 액션 아이템\n- 발송 (담당자: 김OO, (기한 미정))';
        const s = scoreTaskAnswer(answer, record);
        expect(s.coverageRate).toBe(1);
        expect(s.honestyMarkers).toBeGreaterThanOrEqual(1);
        expect(s.sectionCount).toBeGreaterThanOrEqual(3);
    });

    it('runTaskEval — 생성 실패가 전체를 막지 않고 에러 레코드로 남는다', async () => {
        const result = await runTaskEval({
            records: [record, { ...record, id: 'mm-fail' }],
            readSource: () => '전사 내용',
            generate: async (r) => {
                if (r.id === 'mm-fail') throw new Error('engine down');
                return '## 참석자 a ## 결정사항 b ## 액션 아이템 c 담당자 d 기한 e';
            },
        });
        expect(result.scores.length).toBe(2);
        expect(result.scores[0].coverageRate).toBe(1);
        expect(result.scores[1].error).toContain('engine down');
        expect(result.avgCoverage).toBe(1); // 실패 레코드는 평균에서 제외
    });

    it('formatTaskEvalReport — 요약·테이블 포함', () => {
        const md = formatTaskEvalReport(
            { scores: [scoreTaskAnswer('참석자 결정사항', record)], avgCoverage: 0.4, perfectCount: 0 },
            { taskLabel: '회의록', brainName: 'B', dateStr: 'now', modelName: 'gemma' },
        );
        expect(md).toContain('평균 요소 커버리지');
        expect(md).toContain('mm-test');
    });
});