import { promises as fsp } from 'fs';

import {
  IpluginDetails,
  IpluginInputArgs,
  IpluginOutputArgs,
} from '../../../../FlowHelpers/1.0.0/interfaces/interfaces';
import { getFileAbosluteDir } from '../../../../FlowHelpers/1.0.0/fileUtils';

/* eslint no-plusplus: ["error", { "allowForLoopAfterthoughts": true }] */
const details = (): IpluginDetails => ({
  name: 'Delete File',
  description: 'Delete the working file or original file.',
  style: {
    borderColor: 'red',
  },
  tags: 'video',
  isStartPlugin: false,
  pType: '',
  requiresVersion: '2.11.01',
  sidebarPosition: -1,
  icon: 'faTrash',
  inputs: [
    {
      label: 'File To Delete',
      name: 'fileToDelete',
      type: 'string',
      defaultValue: 'workingFile',
      inputUI: {
        type: 'dropdown',
        options: [
          'workingFile',
          'originalFile',
        ],
      },
      tooltip: 'Specify the file to delete',
    },
    {
      label: 'Delete Working File If It\'s The Original File',
      name: 'deleteWorkingFileIfOriginal',
      type: 'boolean',
      defaultValue: 'true',
      inputUI: {
        type: 'switch',
        displayConditions: {
          logic: 'AND',
          sets: [
            {
              logic: 'AND',
              inputs: [
                {
                  name: 'fileToDelete',
                  value: 'workingFile',
                  condition: '===',
                },
              ],
            },
          ],
        },
      },
      tooltip: 'If the option above is set to delete the working file,'
      + ' and the working file is the original file, delete the file.',
    },
    {
      label: 'Delete Parent Folder If Empty',
      name: 'deleteParentFolderIfEmpty',
      type: 'boolean',
      defaultValue: 'false',
      inputUI: {
        type: 'switch',
      },
      tooltip: 'If the folder that the file is in is empty after the file is deleted, delete the folder.',
    },
  ],
  outputs: [
    {
      number: 1,
      tooltip: 'Continue to next plugin',
    },
  ],
});

// eslint-disable-next-line @typescript-eslint/no-unused-vars
const plugin = async (args: IpluginInputArgs): Promise<IpluginOutputArgs> => {
  const lib = require('../../../../../methods/lib')();
  // eslint-disable-next-line @typescript-eslint/no-unused-vars,no-param-reassign
  args.inputs = lib.loadDefaultValues(args.inputs, details);

  const fileToDelete = String(args.inputs.fileToDelete);
  const {
    deleteParentFolderIfEmpty,
    deleteWorkingFileIfOriginal,
  } = args.inputs;

  if (fileToDelete === 'workingFile') {
    const workingFileIsOriginal = args.originalLibraryFile._id === args.inputFileObj._id;

    if (workingFileIsOriginal) {
      args.jobLog('Working file is the original file!');
    } else {
      args.jobLog('Working file is not the original file!');
    }

    if (
      (workingFileIsOriginal && deleteWorkingFileIfOriginal)
    || !workingFileIsOriginal
    ) {
      args.jobLog(`Deleting working file ${args.inputFileObj._id}`);
      await fsp.unlink(args.inputFileObj._id);
    } else {
      args.jobLog('Skipping delete of working file because it is the original file');
    }
  } else if (fileToDelete === 'originalFile') {
    args.jobLog(`Deleting original file ${args.originalLibraryFile._id}`);
    await fsp.unlink(args.originalLibraryFile._id);
  }

  const fileDir = getFileAbosluteDir(args.originalLibraryFile._id);

  if (deleteParentFolderIfEmpty) {
    args.jobLog(`Checking if folder ${fileDir} is empty`);
    const files = await fsp.readdir(fileDir);

    if (files.length === 0) {
      args.jobLog(`Deleting empty folder ${fileDir}`);
      await fsp.rmdir(fileDir);
    } else {
      args.jobLog(`Folder ${fileDir} is not empty, skipping delete`);
    }
  } else {
    args.jobLog(`Skipping delete of parent folder ${fileDir}`);
  }

  return {
    outputFileObj: args.inputFileObj,
    outputNumber: 1,
    variables: args.variables,
  };
};
export {
  details,
  plugin,
};