/**
 * The school header: one fact line (phase, ages, type, pupils), then flags
 * only for what applies, then the address and the details.
 *
 * nursery_provision is GIAS text, not a boolean: "Has Nursery Classes",
 * "No Nursery Classes" or "Not applicable". Tested for truthiness, every one
 * of those read as a nursery, so secondaries aged 11–18 showed "Nursery".
 */

import { screen, within } from '@testing-library/react';
import type { School } from '@/lib/types';
import { primaryFixture, secondaryFixture } from '../support/schoolFixtures';
import { renderSchoolDetail, renderSecondarySchoolDetail } from '../support/renderSchoolDetail';

jest.mock('@/lib/analytics', () => ({
  track: jest.fn(),
  getNavigationSource: () => 'direct',
}));
jest.mock('@/components/PerformanceChart', () => ({
  PerformanceChart: () => <div data-testid="performance-chart" />,
}));
jest.mock('@/components/SatsChart', () => ({
  __esModule: true,
  default: () => <div data-testid="sats-chart" />,
}));
jest.mock('@/components/AdmissionsTrendChart', () => ({
  __esModule: true,
  default: () => <div data-testid="admissions-trend-chart" />,
}));
jest.mock('@/components/SchoolHeroMap', () => ({
  SchoolHeroMap: () => <div data-testid="hero-map" />,
  __esModule: true,
}));

function withSchool<T extends { schoolInfo: School }>(fixture: T, info: Partial<School>): T {
  return { ...fixture, schoolInfo: { ...fixture.schoolInfo, ...info } };
}

const flagList = () => screen.queryByRole('list', { name: 'Admission and provision' });
const flagLabels = () => within(flagList()!).getAllByRole('listitem').map((li) => li.textContent);

describe('school header fact line', () => {
  it('states phase, ages, type and pupils, in that order', () => {
    renderSchoolDetail(withSchool(primaryFixture, { type_group: 'state' }));
    const line = screen.getByText('Ages 4–11').parentElement!;
    expect(line).toHaveTextContent(/^PrimaryAges 4–11State school420 pupils$/);
  });

  it("prints the register's type name for a type in no group", () => {
    renderSchoolDetail(withSchool(primaryFixture, { type_group: null, school_type: 'Secure units' }));
    expect(screen.getByText('Secure units')).toBeInTheDocument();
  });

  it('no longer prints the GIAS establishment type', () => {
    renderSecondarySchoolDetail(withSchool(secondaryFixture, { type_group: 'state' }));
    expect(screen.queryByText('Academy converter')).not.toBeInTheDocument();
  });
});

describe('school header flags', () => {
  it('shows no flag list for a school with nothing to flag', () => {
    renderSchoolDetail(withSchool(primaryFixture, { type_group: 'state' }));
    expect(flagList()).not.toBeInTheDocument();
  });

  it('lists who-can-apply flags, then what the school offers', () => {
    renderSecondarySchoolDetail(withSchool(secondaryFixture, {
      type_group: 'independent', admissions_policy: 'Selective', gender: 'Girls',
      religious_denomination: 'Church of England', has_sixth_form: true,
    }));
    expect(flagLabels()).toEqual(['Fee-paying', 'Selective', "Girls' school", 'Church of England', 'Sixth form']);
  });

  it('shows Nursery class when GIAS says the school has nursery classes', () => {
    renderSchoolDetail(withSchool(primaryFixture, { nursery_provision: 'Has Nursery Classes' }));
    expect(flagLabels()).toEqual(['Nursery class']);
  });

  it.each(['No Nursery Classes', 'Not applicable', null])(
    'shows no nursery flag when GIAS says %p',
    (value) => {
      renderSecondarySchoolDetail(withSchool(secondaryFixture, { nursery_provision: value }));
      expect(screen.queryByText(/^Nursery/)).not.toBeInTheDocument();
    },
  );

  it.each([['Girls', "Girls' school"], ['Boys', "Boys' school"]])(
    'labels a %s school with a plural possessive',
    (gender, label) => {
      renderSecondarySchoolDetail(withSchool(secondaryFixture, { gender }));
      expect(screen.getByText(label)).toBeInTheDocument();
      expect(screen.queryByText(/'s school/)).not.toBeInTheDocument();
    },
  );

  it('says nothing for a mixed school', () => {
    renderSecondarySchoolDetail(withSchool(secondaryFixture, { gender: 'Mixed' }));
    expect(screen.queryByText(/^(Girls|Boys|Mixed)'s? school$/)).not.toBeInTheDocument();
  });
});

describe('school header address', () => {
  it('names the council after the postcode', () => {
    renderSchoolDetail(primaryFixture);
    expect(screen.getByText(/TE1 1ST · Westshire/)).toBeInTheDocument();
  });

  it('leaves the council out when the address already names it', () => {
    renderSchoolDetail(withSchool(primaryFixture, { local_authority: 'Testville' }));
    expect(screen.queryByText(/· Testville/)).not.toBeInTheDocument();
  });
});

describe('school header details', () => {
  const detailed = {
    headteacher_name: 'Mrs A Head', capacity: 426, county: 'Surrey',
    parliamentary_constituency: 'Putney', religious_denomination: 'Church of England',
  };

  it('drops county, constituency and religious character', () => {
    renderSchoolDetail(withSchool(primaryFixture, detailed));
    expect(screen.queryByText('County:')).not.toBeInTheDocument();
    expect(screen.queryByText('Constituency:')).not.toBeInTheDocument();
    expect(screen.queryByText('Religious character:')).not.toBeInTheDocument();
  });

  it('shows the capacity', () => {
    renderSchoolDetail(withSchool(primaryFixture, detailed));
    expect(screen.getByText('Capacity:').parentElement).toHaveTextContent('Capacity: 426');
  });

  it('names an academy trust', () => {
    renderSchoolDetail(withSchool(primaryFixture, { trust_name: 'BURNTWOOD TRUST' }));
    expect(screen.getByText('Academy trust:').parentElement).toHaveTextContent('BURNTWOOD TRUST');
  });

  it("hides a trust that has the school's own name", () => {
    renderSchoolDetail(withSchool(primaryFixture, { trust_name: 'TEST PRIMARY SCHOOL' }));
    expect(screen.queryByText('Academy trust:')).not.toBeInTheDocument();
  });
});