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

import {

  buildCounterpartyBrief,

  buildInteractionConclusion,

  createIdentity,

  deriveBehaviouralObservations,

  evaluateLearningEligibility,

  FixtureFactCheckProvider,

  summarizeContextualReliability,

  TrustEngine,

  updateContextualBehaviouralProfile,

} from '@openclasp/core';

import {

  canonicalHash,

  InteractionCompletionReportSchema,

  InteractionFeedbackSchema,

  PublicAgentCardSchema,

  signNamed,

  type InteractionContract,

  type InteractionConclusion,

  type InteractionCompletionReport,

  type InteractionFeedback,

  type Receipt,

} from '@openclasp/protocol';

import { createSignedEvent } from '@openclasp/sdk';

describe('general assurance behavior', () => {

  it('requires every contract party to sign before the agreement is active', () => {

    const engine = new TrustEngine();

    const first = createIdentity({

      agentId: 'agent:first',

      operatorRef: 'operator:a',

      capabilities: ['coordinate'],

    });

    const second = createIdentity({

      agentId: 'agent:second',

      operatorRef: 'operator:b',

      capabilities: ['coordinate'],

    });

    engine.registerAgent(first.identity);

    engine.registerAgent(second.identity);

    const unsigned: InteractionContract = {

      protocolVersion: '0.1',

      interactionId: crypto.randomUUID(),

      purpose: 'Coordinate a task',

      parties: [first.identity.agentId, second.identity.agentId],

      taskCategory: 'coordination',

      requestedOutcome: 'Agreed plan',

      successCriteria: ['Plan accepted'],

      allowedActions: ['coordinate'],

      prohibitedActions: [],

      allowedData: ['public'],

      prohibitedData: ['private'],

      evidenceRequirements: [],

      delegationRules: [],

      humanApprovalRequirements: [],

      factCheckingPolicy: 'important_claims',

      mediationPolicy: 'mutual_consent',

      retentionDays: 30,

      completionConditions: ['plan_delivered'],

      cancellationConditions: ['either_party'],

      signatures: {},

    };

    const oneSignature = signNamed(

      unsigned as unknown as Record<string, unknown>,

      first.identity.agentId,

      first.keyPair,

    ) as unknown as InteractionContract;

    expect(() => engine.saveContract(oneSignature)).toThrow('every party');

    const complete = signNamed(

      oneSignature as unknown as Record<string, unknown>,

      second.identity.agentId,

      second.keyPair,

    ) as unknown as InteractionContract;

    expect(engine.saveContract(complete).interactionId).toBe(unsigned.interactionId);

  });

  it('does not fact-check opinions as objective truth', async () => {

    const provider = new FixtureFactCheckProvider();

    expect((await provider.check('I think green is the best color')).status).toBe(

      'not_fact_checkable',

    );

  });

  it('verifies a receipt without recording it', () => {

    const engine = new TrustEngine();

    const agent = createIdentity({

      agentId: 'agent:receipt',

      operatorRef: 'operator:a',

      capabilities: ['work'],

    });

    engine.registerAgent(agent.identity);

    const base: Receipt = {

      receiptId: crypto.randomUUID(),

      interactionId: crypto.randomUUID(),

      participants: [agent.identity.agentId],

      agentVersions: { [agent.identity.agentId]: '1.0.0' },

      contractHash: 'contract',

      startedAt: new Date(Date.now() - 1000).toISOString(),

      completedAt: new Date().toISOString(),

      outcome: 'success',

      commitmentsFulfilled: ['done'],

      commitmentsMissed: [],

      evidenceHashes: [],

      policyWarnings: [],

      policyViolations: [],

      disputeStatus: 'none',

      delegationChainHash: 'none',

      unilateral: false,

      signatures: {},

    };

    const signed = signNamed(

      base as unknown as Record<string, unknown>,

      agent.identity.agentId,

      agent.keyPair,

    ) as unknown as Receipt;

    expect(engine.verifyReceipt(signed).receiptId).toBe(base.receiptId);

    expect(engine.receipts.size).toBe(0);

  });

  it('requires opt-in and strips payloads from network contributions', () => {

    const engine = new TrustEngine();

    const agent = createIdentity({

      agentId: 'agent:a',

      operatorRef: 'operator:a',

      capabilities: ['chat'],

    });

    engine.registerAgent(agent.identity);

    const event = createSignedEvent(

      {

        protocolVersion: '0.1',

        eventId: crypto.randomUUID(),

        interactionId: crypto.randomUUID(),

        eventType: 'claim',

        agentId: agent.identity.agentId,

        agentVersion: '1.0.0',

        timestamp: new Date().toISOString(),

        visibility: 'network_aggregate',

        provenance: 'observed',

        payload: { rawMessage: 'private conversation', claim: 'secret' },

      },

      agent.keyPair,

    );

    expect(engine.networkContribution(event)).toBeNull();

    engine.setContributionConsent(agent.identity.agentId, true);

    const contribution = engine.networkContribution(event);

    expect(contribution).not.toHaveProperty('payload');

    expect(JSON.stringify(contribution)).not.toContain('private conversation');

  });

  it('requires mutual mediation consent', () => {

    const engine = new TrustEngine();

    const conflict = engine.createConflict({

      interactionId: crypto.randomUUID(),

      issue: 'ambiguous requirement',

      participants: ['a', 'b'],

      positions: {},

      evidence: [],

      contractClauses: [],

      missingInformation: [],

      possibleResolutions: ['clarify'],

    });

    engine.permitMediation(conflict.conflictId, 'a');

    expect(() => engine.resolveConflict(conflict.conflictId, 'clarified')).toThrow('Mutual');

    engine.permitMediation(conflict.conflictId, 'b');

    expect(engine.resolveConflict(conflict.conflictId, 'clarified').status).toBe('resolved');

  });

  it('builds a private brief against the actual contract requirements', () => {

    const interactionId = crypto.randomUUID();

    const contract: InteractionContract = {

      protocolVersion: '0.1',

      interactionId,

      purpose: 'Find an engineering role',

      parties: ['agent:candidate', 'agent:recruiter'],

      taskCategory: 'recruiting',

      requestedOutcome: 'Available backend software engineering positions',

      successCriteria: ['At least one matching backend role'],

      allowedActions: ['recruiting'],

      prohibitedActions: [],

      allowedData: ['public'],

      prohibitedData: ['private'],

      evidenceRequirements: ['Job description link'],

      delegationRules: [],

      humanApprovalRequirements: [],

      factCheckingPolicy: 'important_claims',

      mediationPolicy: 'mutual_consent',

      retentionDays: 30,

      completionConditions: ['positions returned'],

      cancellationConditions: ['either party'],

      signatures: {},

    };

    const subject = PublicAgentCardSchema.parse({

      protocolVersion: '0.1',

      agentId: 'agent:recruiter',

      name: 'Recruiter',

      description: 'Recruiting assistant for marketing roles',

      framework: 'Botpress',

      agentVersion: '1.0.0',

      capabilities: ['recruiting'],

      limitations: ['no backend recruitment'],

      assurance: 'oauth_authenticated',

      transports: [],

      cardUrl: 'https://openclasp.example/agents/recruiter/card.json',

      a2aAgentCardUrl: 'https://openclasp.example/agents/recruiter/a2a-agent-card.json',

      extensionUri: 'https://openclasp.example/extensions/trust/v0.1',

      publishedAt: '2026-08-29T00:00:00.000Z',

      updatedAt: '2026-08-29T00:00:00.000Z',

    });

    const brief = buildCounterpartyBrief({

      interactionId,

      contractHash: canonicalHash(contract),

      contract,

      recipientAgentId: 'agent:candidate',

      subject,

      historyInsights: [

        {

          code: 'limited_verified_history',

          severity: 'caution',

          message: 'No eligible history exists.',

          evidenceReferences: [],

          requirementReferences: [],

        },

      ],

      relevantSampleSize: 0,

      historyConfidence: 0,

      generatedAt: '2026-08-29T00:00:00.000Z',

      expiresAt: '2026-08-29T01:00:00.000Z',

    });

    expect(brief.decision).toBe('CHALLENGE');

    expect(brief.requirements).toEqual(

      expect.arrayContaining([

        expect.objectContaining({ requirementId: 'task-category', status: 'match' }),

        expect.objectContaining({ requirementId: 'requested-outcome', status: 'mismatch' }),

      ]),

    );

    expect(brief.insights[0]?.requirementReferences.length).toBeGreaterThan(0);

  });

  it('releases an aggregate conclusion without private feedback comments', () => {

    const interactionId = crypto.randomUUID();

    const contract: InteractionContract = {

      protocolVersion: '0.1',

      interactionId,

      purpose: 'Coordinate a task',

      parties: ['agent:a', 'agent:b'],

      taskCategory: 'coordination',

      requestedOutcome: 'Deliver a plan',

      successCriteria: ['Plan delivered'],

      allowedActions: [],

      prohibitedActions: [],

      allowedData: [],

      prohibitedData: [],

      evidenceRequirements: [],

      delegationRules: [],

      humanApprovalRequirements: [],

      factCheckingPolicy: 'important_claims',

      mediationPolicy: 'mutual_consent',

      retentionDays: 30,

      completionConditions: ['Plan delivered'],

      cancellationConditions: [],

      signatures: {},

    };

    const report = (agentId: string, counterpartyAgentId: string, outcome: 'success' | 'partial') =>

      InteractionCompletionReportSchema.parse({

        reportId: crypto.randomUUID(),

        interactionId,

        contractHash: canonicalHash(contract),

        reportingAgentId: agentId,

        counterpartyAgentId,

        agentVersion: '1.0.0',

        outcome,

        summary: 'Structured summary',

        requestedOutcome: contract.requestedOutcome,

        criteria: [

          {

            criterion: 'Plan delivered',

            status: outcome === 'success' ? 'met' : 'partially_met',

          },

        ],

        completedAt: '2026-08-29T00:10:00.000Z',

        confidence: 0.9,

      });

    const feedback = (reviewerAgentId: string, subjectAgentId: string, rating: number) =>

      InteractionFeedbackSchema.parse({

        feedbackId: crypto.randomUUID(),

        requestId: crypto.randomUUID(),

        interactionId,

        reviewerAgentId,

        subjectAgentId,

        reviewerAgentVersion: '1.0.0',

        ratings: { reliability: rating },

        wouldWorkAgain: 'yes',

        privateComment: `private note from ${reviewerAgentId}`,

        confidence: 0.9,

        submittedAt: '2026-08-29T00:11:00.000Z',

      });

    const conclusion = buildInteractionConclusion({

      interaction: { interactionId, termsHash: canonicalHash(contract), contract },

      reports: [report('agent:a', 'agent:b', 'success'), report('agent:b', 'agent:a', 'partial')],

      feedback: [feedback('agent:a', 'agent:b', 0.8), feedback('agent:b', 'agent:a', 0.6)],

      conclusionId: 'aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaaa',

      generatedAt: '2026-08-29T00:12:00.000Z',

    });

    expect(conclusion.consensus).toBe('bilateral_partial_agreement');

    expect(conclusion.averageRatings.reliability).toBeCloseTo(0.7);

    expect(JSON.stringify(conclusion)).not.toContain('private note');

    const provisional = buildInteractionConclusion({

      interaction: { interactionId, termsHash: canonicalHash(contract), contract },

      reports: [report('agent:a', 'agent:b', 'partial')],

      feedback: [],

      pendingFeedbackAgentIds: ['agent:a', 'agent:b'],

      peerReportStatus: 'unreachable',

    });

    expect(provisional).toMatchObject({

      lifecycle: 'provisional',

      consensus: 'unilateral',

      missingReportAgentIds: ['agent:b'],

      pendingFeedbackAgentIds: ['agent:a', 'agent:b'],

      peerReportStatus: 'unreachable',

    });

    expect(provisional.confidence).toBeLessThanOrEqual(0.55);

  });

});

describe('behavioural learning', () => {

  const attestation = {

    algorithm: 'Ed25519' as const,

    keyId: 'openclasp:test',

    value: 'signed-test-record',

    digest: 'a'.repeat(43),

  };

  const interactionId = 'dddddddd-dddd-4ddd-8ddd-dddddddddddd';

  const report = (

    reportingAgentId: string,

    counterpartyAgentId: string,

    outcome: 'success' | 'partial' = 'success',

  ): InteractionCompletionReport =>

    InteractionCompletionReportSchema.parse({

      reportId: crypto.randomUUID(),

      interactionId,

      contractHash: 'contract-hash',

      reportingAgentId,

      counterpartyAgentId,

      agentVersion: '1.0.0',

      outcome,

      summary: 'Structured outcome only',

      requestedOutcome: 'Complete the task',

      criteria: [

        {

          criterion: 'Task completed',

          status: outcome === 'success' ? 'met' : 'partially_met',

        },

      ],

      confidence: 0.9,

      completedAt: '2026-08-29T00:10:00.000Z',

      platformAttestation: attestation,

    });

  const feedback = (

    reviewerAgentId: string,

    subjectAgentId: string,

    rating: number,

    evidenceReferences: string[] = [],

  ): InteractionFeedback =>

    InteractionFeedbackSchema.parse({

      feedbackId: crypto.randomUUID(),

      requestId: crypto.randomUUID(),

      interactionId,

      reviewerAgentId,

      subjectAgentId,

      reviewerAgentVersion: '1.0.0',

      ratings: {

        outcome_satisfaction: rating,

        communication: rating,

        timeliness: rating,

        evidence_quality: rating,

        scope_adherence: rating,

        correction_handling: rating,

        limitation_disclosure: rating,

      },

      wouldWorkAgain: rating >= 0.5 ? 'yes' : 'no',

      evidenceReferences,

      confidence: 1,

      submittedAt: '2026-08-29T00:11:00.000Z',

      submissionMethod: 'runtime_session',

      platformAttestation: attestation,

    });

  const conclusion = (consensus: InteractionConclusion['consensus']): InteractionConclusion => ({

    conclusionId: 'eeeeeeee-eeee-4eee-8eee-eeeeeeeeeeee',

    interactionId,

    contractHash: 'contract-hash',

    outcome: 'partial',

    consensus,

    summary: 'Structured conclusion',

    criteria: [],

    reportIds: [],

    feedbackIds: [],

    averageRatings: {},

    evidenceReferences: [],

    generatedAt: '2026-08-29T00:12:00.000Z',

  });

  it('keeps unilateral evidence local at low weight and penalizes manipulation signals', () => {

    const reports = [report('agent:a', 'agent:b'), report('agent:b', 'agent:a')];

    const normal = evaluateLearningEligibility({

      interactionId,

      reports,

      feedback: [feedback('agent:a', 'agent:b', 0.8)],

      consensus: 'bilateral_agreement',

      contributionMode: 'local_only',

      reviewerCredibility: { 'agent:a': 1 },

    });

    const extreme = evaluateLearningEligibility({

      interactionId,

      reports,

      feedback: [feedback('agent:a', 'agent:b', 1)],

      consensus: 'bilateral_agreement',

      contributionMode: 'local_only',

      reviewerCredibility: { 'agent:a': 1 },

    });

    const unsupported = evaluateLearningEligibility({

      interactionId,

      reports: [report('agent:a', 'agent:b')],

      feedback: [],

      consensus: 'unilateral',

      contributionMode: 'network_aggregate',

    });

    expect(normal.eligible).toBe(true);

    expect(extreme.sampleWeight).toBeLessThan(normal.sampleWeight);

    expect(extreme.manipulationSignals).toContain('extreme_feedback_without_evidence');

    expect(unsupported).toMatchObject({

      eligible: true,

      sampleWeight: 0.1,

      contributionMode: 'local_only',

      structuredDataOnly: true,

    });

  });

  it('derives bounded observations and applies weighted history decay', () => {

    const observations = deriveBehaviouralObservations({

      subjectAgentId: 'agent:b',

      reports: [report('agent:b', 'agent:a', 'partial')],

      reviewerFeedback: feedback('agent:a', 'agent:b', 0.8, ['evidence:artifact:1']),

      conclusion: conclusion('conflicting'),

    });

    expect(observations).toMatchObject({

      completion: 0.5,

      specification: 0.5,

      acceptance: 0.8,

      communication: 0.8,

      correction: 0.8,

      limitations: 0.8,

      disputes: 1,

    });

    const updated = updateContextualBehaviouralProfile({

      current: {

        completion: 1,

        communication: 1,

        sampleSize: 10,

        effectiveSampleSize: 10,

        updatedAt: '2026-03-02T00:12:00.000Z',

      },

      observations,

      sampleWeight: 0.8,

      appliedAt: '2026-08-29T00:12:00.000Z',

    });

    expect(updated.profile.sampleSize).toBe(11);

    expect(updated.profile.effectiveSampleSize).toBeLessThan(5);

    expect(updated.profile.completion).toBeLessThan(1);

    expect(updated.dimensionDeltas.completion).toBeLessThan(0);

  });

  it('summarizes reliability with explicit confidence, trend, and version reduction', () => {

    const summary = summarizeContextualReliability({

      profile: {

        agentId: 'agent:b',

        agentVersion: '1.0.0',

        taskCategory: 'procurement',

        completion: 0.9,

        acceptance: 0.85,

        specification: 0.8,

        deadline: 0.75,

        communication: 0.9,

        evidence: 0.4,

        scope: 0.8,

        correction: 0.7,

        limitations: 0.65,

        disputes: 0.1,

        sampleSize: 12,

        effectiveSampleSize: 8,

        updatedAt: '2026-08-29T00:12:00.000Z',

      },

      deltas: [

        {

          dimensionDeltas: { completion: 0.1, evidence: 0.08 },

          appliedAt: '2026-08-29T00:12:00.000Z',

        },

      ],

      currentAgentVersion: '2.0.0',

      now: '2026-08-30T00:12:00.000Z',

    });

    expect(summary.taskCategory).toBe('procurement');

    expect(summary.confidence.level).toBe('low');

    expect(summary.trend.direction).toBe('improving');

    expect(summary.risks[0]?.dimension).toBe('evidence');

    expect(summary.versionStatus.status).toBe('reduced_confidence');

  });

});