// tools/missed-activations.test.mjs
import { describe, it, expect } from 'vitest';
import { detectMissedActivations } from './missed-activations.mjs';

const map = {
  refactor: ['#11', '#12', '#43'],
  bugfix: ['#18', '#34'],
  feature: ['#19'],
  other: [],
};
const dormancy = { '#11': false, '#12': false, '#43': false, '#18': false, '#34': false, '#19': false };

function ep(classification, node_chosen) {
  return {
    schema_version: 2,
    primary_rationale: { task_classification: classification, node_chosen },
  };
}

describe('detectMissedActivations', () => {
  it('counts an episode with profile classification + node_chosen=direct as missed', () => {
    const result = detectMissedActivations([ep('refactor', 'direct')], map, dormancy);
    expect(result.totalMissed).toBe(1);
    expect(result.byNode).toEqual({ '#11': 1, '#12': 1, '#43': 1 });
  });

  it('does NOT count episode when the recommended node IS chosen', () => {
    const result = detectMissedActivations([ep('refactor', '#11')], map, dormancy);
    expect(result.totalMissed).toBe(0);
  });

  it('does NOT count episode when classification=other (empty list)', () => {
    const result = detectMissedActivations([ep('other', 'direct')], map, dormancy);
    expect(result.totalMissed).toBe(0);
  });

  it('excludes dormant (DEFERRED) nodes from recommendations', () => {
    const dorm = { ...dormancy, '#43': true };
    const result = detectMissedActivations([ep('refactor', 'direct')], map, dorm);
    expect(result.byNode).toEqual({ '#11': 1, '#12': 1 });
    expect(result.totalMissed).toBe(1);
  });

  it('returns totalMissed=0 when ALL recommended nodes are dormant', () => {
    const dorm = { '#11': true, '#12': true, '#43': true };
    const result = detectMissedActivations([ep('refactor', 'direct')], map, dorm);
    expect(result.totalMissed).toBe(0);
    expect(result.byNode).toEqual({});
  });

  it('ignores schema v1 episodes (no factor analysis)', () => {
    const v1 = { schema_version: 1, primary_rationale: { task_classification: 'refactor', node_chosen: 'direct' } };
    const result = detectMissedActivations([v1], map, dormancy);
    expect(result.totalMissed).toBe(0);
  });

  it('ignores observer_error markers', () => {
    const err = { observer_error: true };
    const result = detectMissedActivations([err], map, dormancy);
    expect(result.totalMissed).toBe(0);
  });

  it('ignores unknown classification (not in map)', () => {
    const result = detectMissedActivations([ep('unknown-bucket', 'direct')], map, dormancy);
    expect(result.totalMissed).toBe(0);
  });

  it('aggregates byClassification breakdown for the report', () => {
    const eps = [
      ep('refactor', 'direct'),
      ep('refactor', 'direct'),
      ep('bugfix', 'direct'),
    ];
    const result = detectMissedActivations(eps, map, dormancy);
    expect(result.byClassification).toEqual({ refactor: 2, bugfix: 1 });
    expect(result.totalMissed).toBe(3);
  });

  it('detects missed activation on v3 episode', () => {
    const v3 = { schema_version: 3, primary_rationale: { node_chosen: 'direct', task_classification: 'feature', recommended_node: '#19' } };
    const result = detectMissedActivations([v3], { feature: ['#19'] }, { '#19': false });
    expect(result.totalMissed).toBe(1);
  });
});

describe('detectMissedActivations — §17 v4 path (Phase 2 Task 11)', () => {
  it('flags direct on non-conversation v4 episode with recommended_node', () => {
    const r = detectMissedActivations([{
      schema_version: 4,
      classifier_output: { task_type: 'feature', recommended_node: '#19', no_skill_found: false },
      execution_trace: { actual_node_invoked_first: 'direct' },
    }]);
    expect(r.totalMissed).toBe(1);
    expect(r.byNode).toEqual({ '#19': 1 });
    expect(r.byClassification).toEqual({ feature: 1 });
  });

  it('does not flag conversation task_type (§17 exempt)', () => {
    const r = detectMissedActivations([{
      schema_version: 4,
      classifier_output: { task_type: 'conversation', recommended_node: null },
    }]);
    expect(r.totalMissed).toBe(0);
  });

  it('does not flag micro / manual_override (§17 exempt)', () => {
    const r = detectMissedActivations([
      { schema_version: 4, classifier_output: { task_type: 'micro', recommended_node: null }, execution_trace: { actual_node_invoked_first: 'direct' } },
      { schema_version: 4, classifier_output: { task_type: 'manual_override', recommended_node: 'tdd' }, execution_trace: { actual_node_invoked_first: 'direct' } },
    ]);
    expect(r.totalMissed).toBe(0);
  });

  it('does not flag when no_skill_found=true (classifier honestly admits no match)', () => {
    const r = detectMissedActivations([{
      schema_version: 4,
      classifier_output: { task_type: 'feature', recommended_node: null, no_skill_found: true },
      execution_trace: { actual_node_invoked_first: 'direct' },
    }]);
    expect(r.totalMissed).toBe(0);
  });

  it('does not flag when a real node fired (not direct)', () => {
    const r = detectMissedActivations([{
      schema_version: 4,
      classifier_output: { task_type: 'feature', recommended_node: '#19', no_skill_found: false },
      execution_trace: { actual_node_invoked_first: 'superpowers:test-driven-development' },
    }]);
    expect(r.totalMissed).toBe(0);
  });

  it('does not flag when recommended_node is dormant', () => {
    const r = detectMissedActivations(
      [{
        schema_version: 4,
        classifier_output: { task_type: 'feature', recommended_node: '#50', no_skill_found: false },
        execution_trace: { actual_node_invoked_first: 'direct' },
      }],
      {},
      { '#50': true },
    );
    expect(r.totalMissed).toBe(0);
  });
});