#!/usr/bin/env bash

set -euo pipefail

# @describe Runs trash-cli commands across all mounted filesystems with user trash directories
# @meta require-tools mount,cut,trash-empty,trash-list

_list_mounts() {
  mount -l | cut -d ' ' -f 3
}

_find_trash_dirs() {
  local home_trash_dir="$HOME/.local/share/Trash"
  local user_trash_dir=".Trash-$UID"
  [ -d "$home_trash_dir" ] && echo "$home_trash_dir"

  local mount_trash_dir
  for mount_point in $(_list_mounts); do
    mount_trash_dir="$mount_point/$user_trash_dir"
    [ -d "$mount_trash_dir" ] && echo "$mount_trash_dir"
  done
}

_trash_exec() {
  local cmd="$1"
  shift
  local trash_cli_args=()
  for trash_dir in $(_find_trash_dirs); do
    trash_cli_args+=(--trash-dir "$trash_dir")
  done

  "$cmd" "${trash_cli_args[@]}" "$@"
}

# @cmd Purge trashed files
# @alias e
# @meta require-tools trash-empty
empty() {
  _trash_exec trash-empty "$@"
}

# @cmd List trashed files
# @alias l
# @meta require-tools trash-list
list() {
  _trash_exec trash-list "$@"
}

eval "$(argc --argc-eval "$0" "$@")"