import { http, httpBinary, httpGetBinary } from './http.js';

export const category = {
  /** GET /api/category/tree → { languageId, tree, articleCount } (company from session) */
  // #region GET /api/category/tree — getTree
  getTree() {
    return http('/api/category/tree');
  },
  // #endregion

  /**
   * GET /api/category/:id/articles → { articles: [...] }
   * Article rows: sku, name, net, taxRate, fullHash, thumbW, thumbH, thumbHash, childCount, …
   */
  // #region GET /api/category/:id/articles — getArticles
  getArticles(categoryId) {
    return http(`/api/category/${categoryId}/articles`);
  },
  // #endregion

  /** POST /api/category → 201 { category } */
  // #region POST /api/category — create
  create({ parentId, name }) {
    return http('/api/category', {
      method: 'POST',
      body: { parentId: Number(parentId), name },
    });
  },
  // #endregion

  /**
   * DELETE /api/category/:id → 204
   * Query: ?recursive=true (cascades deletion of subcategories and articles)
   */
  // #region DELETE /api/category/:id — delete
  delete(categoryId, { recursive = false } = {}) {
    const qs = recursive ? '?recursive=true' : '';
    return http(`/api/category/${categoryId}${qs}`, { method: 'DELETE' });
  },
  // #endregion

  /**
   * PATCH /api/category/:id
   * Body: { name } — renames and re-slugifies in the company default language.
   * Empty name → 400 name is required.
   * → 200 { category: { id, name, slug } }
   */
  // #region PATCH /api/category/:id — updateName
  updateName(categoryId, name) {
    return http(`/api/category/${categoryId}`, {
      method: 'PATCH',
      body: { name },
    });
  },
  // #endregion

  /**
   * PUT /api/category/order
   * Body: { parentId, categoryIds: number[] } — sibling order of the children
   * under `parentId` (top-down). categoryIds must be exactly the current child
   * set of parentId (same count, no foreign/duplicate ids) → 400 Invalid category order.
   * → 200 { categoryIds: number[] }
   */
  // #region PUT /api/category/order — reorder
  reorder(parentId, categoryIds) {
    return http('/api/category/order', {
      method: 'PUT',
      body: { parentId, categoryIds },
    });
  },
  // #endregion

  /**
   * PATCH /api/category/:id
   * Body: { parentId } — moves the category under a new parent.
   * → 200 { category: { id, parentId, sort } }  (kein name/slug im Response)
   */
  // #region PATCH /api/category/:id — move
  move(categoryId, parentId) {
    return http(`/api/category/${categoryId}`, {
      method: 'PATCH',
      body: { parentId },
    });
  },
  // #endregion

  /**
   * PATCH /api/category/:id
   * Body: { pos: boolean } — toggles the POS (Point of Sale) flag.
   * → 200 { category: { id, pos } }
   *
   * PROPOSED — backend needs to implement this field.
   */
  // #region PATCH /api/category/:id — updatePos
  updatePos(categoryId, pos) {
    return http(`/api/category/${categoryId}`, {
      method: 'PATCH',
      body: { pos },
    });
  },
  // #endregion

  /**
   * POST /api/category/:id/image
   * Body: raw image bytes (Content-Type: image/webp)
   * → 201 { category: { id, fullHash, thumbW, thumbH, thumbHash } }
   */
  // #region POST /api/category/:id/image — uploadImage
  uploadImage(categoryId, file) {
    return httpBinary(`/api/category/${categoryId}/image`, {
      method: 'POST',
      contentType: file?.type || 'image/webp',
      body: file,
    });
  },
  // #endregion

  /**
   * DELETE /api/category/:id/image
   * → 200 { category: { id, thumbW: null, thumbH: null, thumbHash: null } }
   */
  // #region DELETE /api/category/:id/image — deleteImage
  deleteImage(categoryId) {
    return http(`/api/category/${categoryId}/image`, { method: 'DELETE' });
  },
  // #endregion

  /**
   * POST /api/category/:id/image/generate
   * Body (optional): { size?: 2 | 3 | 4 }
   * → 200 { category: { id, fullHash, thumbW, thumbH, thumbHash, size, grid, articleCount } }
   */
  // #region POST /api/category/:id/image/generate — generateImage
  generateImage(categoryId, { size } = {}) {
    return http(`/api/category/${categoryId}/image/generate`, {
      method: 'POST',
      body: size != null ? { size } : undefined,
    });
  },
  // #endregion


  /**
   * GET /api/category/export.zip → application/zip (binary download)
   * `kategorien.zip` = kategorien.csv (semicolon-separated, Windows-1252,
   * depth-first, `Ebene N` name column per depth) + one `<fullHash>.avif`
   * entry per category image (content-addressed, deduplicated).
   * Errors: 400 No company selected, 401, 403, 404 (JSON { error }).
   */
  // #region GET /api/category/export.zip — exportZip
  exportZip() {
    return httpGetBinary('/api/category/export.zip');
  },
  // #endregion
};