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

import { createIdentity, FixtureFactCheckProvider, TrustEngine } from '@openclasp/core';

import { signNamed, type InteractionContract, 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');

  });

});