/**
 * @copyright Copyright (c) 2019 John Molakvoæ <skjnldsv@protonmail.com>
 *
 * @author John Molakvoæ <skjnldsv@protonmail.com>
 *
 * @license AGPL-3.0-or-later
 *
 * This program 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.
 *
 * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
 *
 */
 import camelcase from 'camelcase'
 import { isNumber } from './NumberUtils'
 import { generateUrl } from '@nextcloud/router'

 /**
  * Get an url encoded path
  *
  * @param {string} path the full path
  * @return {string} url encoded file path
  */
 const encodeFilePath = function(path) {
     const pathSections = (path.startsWith('/') ? path : `/${path}`).split('/')
     let relativePath = ''
     pathSections.forEach((section) => {
         if (section !== '') {
             relativePath += '/' + encodeURIComponent(section)
         }
     })
     return relativePath
 }

 /**
  * Extract dir and name from file path
  *
  * @param {string} path the full path
  * @return {string[]} [dirPath, fileName]
  */
 const extractFilePaths = function(path) {
     const pathSections = path.split('/')
     const fileName = pathSections[pathSections.length - 1]
     const dirPath = pathSections.slice(0, pathSections.length - 1).join('/')
     return [dirPath, fileName]
 }

 /**
  * Sorting comparison function
  *
  * @param {object} fileInfo1 file 1 fileinfo
  * @param {object} fileInfo2 file 2 fileinfo
  * @param {string} key key to sort with
  * @param {boolean} [asc=true] sort ascending?
  * @return {number}
  */
 const sortCompare = function(fileInfo1, fileInfo2, key, asc = true) {

     // favorite always first
     if (fileInfo1.isFavorite && !fileInfo2.isFavorite) {
         return -1
     } else if (!fileInfo1.isFavorite && fileInfo2.isFavorite) {
         return 1
     }

     // if this is a number, let's sort by integer
     if (isNumber(fileInfo1[key]) && isNumber(fileInfo2[key])) {
         return asc
             ? Number(fileInfo2[key]) - Number(fileInfo1[key])
             : Number(fileInfo1[key]) - Number(fileInfo2[key])
     }

     // else we sort by string, so let's sort directories first
     if (fileInfo1.type !== 'file' && fileInfo2.type === 'file') {
         return asc ? -1 : 1
     } else if (fileInfo1.type === 'file' && fileInfo2.type !== 'file') {
         return asc ? 1 : -1
     }

     // if this is a date, let's sort by date
     if (isNumber(new Date(fileInfo1[key]).getTime()) && isNumber(new Date(fileInfo2[key]).getTime())) {
         return asc
             ? new Date(fileInfo2[key]).getTime() - new Date(fileInfo1[key]).getTime()
             : new Date(fileInfo1[key]).getTime() - new Date(fileInfo2[key]).getTime()
     }

     // finally sort by name
     return asc
         ? fileInfo1[key]?.toString()?.localeCompare(fileInfo2[key].toString(), globalThis.OC.getLanguage()) || 1
         : -fileInfo1[key]?.toString()?.localeCompare(fileInfo2[key].toString(), globalThis.OC.getLanguage()) || -1
 }

 const genFileInfo = function(obj) {
     const fileInfo = {}

     Object.keys(obj).forEach(key => {
         const data = obj[key]

         // flatten object if any
         if (!!data && typeof data === 'object') {
             Object.assign(fileInfo, genFileInfo(data))
         } else {
             // format key and add it to the fileInfo
             if (data === 'false') {
                 fileInfo[camelcase(key)] = false
             } else if (data === 'true') {
                 fileInfo[camelcase(key)] = true
             } else {
                 fileInfo[camelcase(key)] = isNumber(data)
                     ? Number(data)
                     : data
             }
         }
     })
     return fileInfo
 }

 const getPreviewUrl = function(fileid: number, etag: string, square: boolean, size: number): string {
    const a = square ? '0' : '1'
    return generateUrl(`/core/preview?fileId=${fileid}&c=${etag}&x=${size}&y=${size}&forceIcon=0&a=${a}`);
 }

 export { encodeFilePath, extractFilePaths, sortCompare, genFileInfo, getPreviewUrl }