const { createHealthReport } = require('../models/HealthReport');

describe('HealthReport', () => {
  it('starts at a perfect score of 100', () => {
    const r = createHealthReport('305', 'Test Store').finalize();
    expect(r.overallScore).toBe(100);
    expect(r.summary).toContain('🟢 Good');
    expect(r.summary).toContain('No major issues');
  });

  it('deducts points and floors at zero', () => {
    const r = createHealthReport('305');
    r.deduct(60, 'major outage');
    r.deduct(80, 'second outage');
    r.finalize();
    expect(r.overallScore).toBe(0);
    expect(r.summary).toContain('🔴 Needs Attention');
  });

  it('chooses the right status emoji at each threshold', () => {
    const fair = createHealthReport('1');
    fair.deduct(15, 'minor');
    fair.finalize();
    expect(fair.overallScore).toBe(85);
    expect(fair.summary).toContain('🟡 Fair');

    const bad = createHealthReport('1');
    bad.deduct(35, 'big issue');
    bad.finalize();
    expect(bad.summary).toContain('🔴 Needs Attention');
  });

  it('deduplicates identical issues added via addIssue', () => {
    const r = createHealthReport('1');
    r.addIssue('same problem');
    r.addIssue('same problem');
    r.addIssue('different problem');
    r.finalize();
    const occurrences = (r.summary.match(/same problem/g) || []).length;
    expect(occurrences).toBe(1);
    expect(r.summary).toContain('different problem');
  });

  it('toJSON returns a serializable snapshot', () => {
    const r = createHealthReport('305', 'Test').finalize();
    const j = r.toJSON();
    expect(j.storeNumber).toBe('305');
    expect(j.storeName).toBe('Test');
    expect(j.overallScore).toBe(100);
    expect(typeof j.summary).toBe('string');
  });
});