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

const {default: createController} = await import('../parole.js');

function buildStrapi({dbUser, artiste}) {
  const paroleDocuments = {
    findMany: vi.fn(async () => []),
    create: vi.fn(async ({data}) => ({id: 42, ...data})),
    update: vi.fn(async ({data}) => ({id: 42, ...data}))
  };
  const userDocuments = {
    findOne: vi.fn(async () => dbUser),
    update: vi.fn(async () => {})
  };
  const artisteDocuments = {
    findOne: vi.fn(async () => artiste)
  };

  const strapi = {
    contentType: vi.fn(() => ({uid: 'api::parole.parole', kind: 'collectionType'})),
    service: vi.fn(() => ({
      validateParoles: vi.fn(),
      translateLyrics: vi.fn()
    })),
    documents: vi.fn(uid => {
      if (uid === 'plugin::users-permissions.user') return userDocuments;
      if (uid === 'api::artiste.artiste') return artisteDocuments;
      if (uid === 'api::parole.parole') return paroleDocuments;
      throw new Error(`unexpected uid: ${uid}`);
    })
  };

  return {strapi, paroleDocuments, userDocuments, artisteDocuments};
}

function buildCtx(data) {
  return {
    request: {
      body: {data},
      header: {authorization: 'Bearer faketoken'}
    },
    badRequest: vi.fn(),
    notFound: vi.fn()
  };
}

const dbUser = {id: 1, documentId: 'user-doc-1', username: 'foo', email: 'foo@bar.com'};
const artiste = {id: 9, documentId: 'artiste-doc-1'};

function buildData(overrides = {}) {
  return {
    titre: 'Test',
    transcription: 'Paroles...',
    user: {...dbUser},
    artistes: [{documentId: 'artiste-doc-1'}],
    ...overrides
  };
}

describe('parole.findOne', () => {
  it('interroge avec le documentId venant de ctx.params.id, pas avec ctx lui-même', async () => {
    const paroleDocuments = {
      findOne: vi.fn(async ({documentId}) => ({id: 1, documentId, titre: 'Test'}))
    };
    const strapi = {
      contentType: vi.fn(() => ({uid: 'api::parole.parole', kind: 'collectionType'})),
      documents: vi.fn(uid => {
        if (uid === 'api::parole.parole') return paroleDocuments;
        throw new Error(`unexpected uid: ${uid}`);
      })
    };
    const controller = createController({strapi});
    const ctx = {params: {id: 'doc-123'}};

    const result = await controller.findOne(ctx);

    expect(paroleDocuments.findOne).toHaveBeenCalledWith({
      documentId: 'doc-123',
      populate: ['artistes']
    });
    expect(result).toEqual({id: 1, documentId: 'doc-123', titre: 'Test'});
  });
});

describe('parole.create', () => {
  it('crée la parole quand le user et l\'artiste existent', async () => {
    const {strapi, paroleDocuments} = buildStrapi({dbUser, artiste});
    const controller = createController({strapi});
    const ctx = buildCtx(buildData());

    await controller.create(ctx);

    expect(paroleDocuments.create).toHaveBeenCalled();
  });

  it('refuse sans planter quand data.user est absent', async () => {
    const {strapi, userDocuments} = buildStrapi({dbUser, artiste});
    const controller = createController({strapi});
    const ctx = buildCtx(buildData({user: undefined}));

    await controller.create(ctx);

    expect(ctx.badRequest).toHaveBeenCalled();
    expect(userDocuments.findOne).not.toHaveBeenCalled();
  });

  it('refuse sans planter quand data.artistes est vide', async () => {
    const {strapi, artisteDocuments} = buildStrapi({dbUser, artiste});
    const controller = createController({strapi});
    const ctx = buildCtx(buildData({artistes: []}));

    await controller.create(ctx);

    expect(ctx.badRequest).toHaveBeenCalled();
    expect(artisteDocuments.findOne).not.toHaveBeenCalled();
  });

  it('ignore les champs non autorisés du payload (mass assignment)', async () => {
    const {strapi, paroleDocuments} = buildStrapi({dbUser, artiste});
    const controller = createController({strapi});
    const ctx = buildCtx(buildData({
      userAdmin: {id: 999},
      isNewRelease: true,
      difference: [{fake: true}]
    }));

    await controller.create(ctx);

    expect(paroleDocuments.create).toHaveBeenCalledWith({
      data: {
        titre: 'Test',
        transcription: 'Paroles...',
        traductions: undefined,
        traductionAuto: undefined,
        artistes: [artiste.id],
        user: dbUser.id
      }
    });
  });
});

describe('parole.update', () => {
  it('ignore les champs non autorisés du payload (mass assignment)', async () => {
    const {strapi, paroleDocuments} = buildStrapi({dbUser, artiste});
    const controller = createController({strapi});
    const ctx = buildCtx({
      documentId: 'doc-1',
      titre: 'Nouveau titre',
      transcription: 'Nouveau texte',
      traductions: {francais: 'salut'},
      traductionAuto: true,
      artistes: [9],
      userAdmin: {id: 999},
      user: {id: 999}
    });

    await controller.update(ctx);

    expect(paroleDocuments.update).toHaveBeenCalledWith({
      documentId: 'doc-1',
      data: {
        titre: 'Nouveau titre',
        transcription: 'Nouveau texte',
        traductions: {francais: 'salut'},
        traductionAuto: true,
        artistes: [9]
      }
    });
  });
});