;;; iarc.el -- internet archive client -*- lexical-binding: t -*-

;; Copyright (C) 2025  Free Software Foundation, Inc.

;; Author: Yuchen Pei <id@ypei.org>
;; Package-Requires: ((emacs "30.1"))

;; This file is part of dotted.

;; dotted is free software: you can redistribute it and/or modify it under
;; the terms of the GNU Affero General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.

;; dotted is distributed in the hope that it will be useful, but WITHOUT
;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
;; or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General
;; Public License for more details.

;; You should have received a copy of the GNU Affero General Public
;; License along with dotted.  If not, see <https://www.gnu.org/licenses/>.

;;; Commentary:

;; internet archive client.

;;; Code:

(define-derived-mode iarc-mode tabulated-list-mode "IArc"
  (hl-line-mode 1)
  (setq tabulated-list-format
        [("★ " 3 iarc-compare-favourites :right-align t)
         ("Title" 60 t)])
  (setq tabulated-list-padding 2)
  (tabulated-list-init-header)
  (setq revert-buffer-function #'iarc-list-refresh))

(defvar iarc-search-dataset nil)

(defun iarc-compare-favourites (x y)
  (> (let-alist (car x) (or .fields.num_favorites 0))
     (let-alist (car y) (or .fields.num_favorites 0))))

(defun iarc-list-print-entry (info)
  (let-alist (alist-get 'fields info)
    (list info (vector (format "%d" (or .num_favorites 0))
                       .title))))

(defun iarc-list-refresh (&rest _)
  (interactive)
  (setq tabulated-list-entries
        (seq-map 'iarc-list-print-entry iarc-search-dataset))
  (tabulated-list-print))

(defun iarc ()
  (let ((buf (get-buffer-create "*IArc*")))
    (with-current-buffer buf
      (iarc-mode)
      (iarc-list-refresh))
    (pop-to-buffer-same-window buf)))

(defvar iarc-host "https://archive.org")

(defun iarc-api-search (query)
  (my-url-fetch-json
   (format "%s/services/search/beta/page_production/?user_query=title:(%s)&hits_per_page=100&page=1&aggregations=false"
           iarc-host query)))

(defun iarc-search (query)
  (setq iarc-search-dataset (let-alist (iarc-api-search query)
                              .response.body.hits.hits))
  (iarc))

(provide 'iarc)
;;; iarc.el ends here