#!/bin/bash
# [b]rowse - custom ls or bat depending on file type
# Show type & contents of given files or PWD
# depends: tput stat bat neovim
# args: files to inspect

set -eo pipefail
# get the last arg or current dir
for last; do true; done
last=${last:-.}

# Elevate permissions if the file is not accessible
test -x "$(dirname "$last")" &&
  { test -r "$last" || ! test -e "$last"; } ||
    elevate=sudo
tput setaf 4 && $elevate file -E "$last" | { grep -v --color=never 'directory$' || true; }

case "$($elevate file --dereference --mime "$last")" in
  (*inode/directory*) tput sgr0 && $(test -x "$last" || echo "sudo") ls -l --color=always --human-readable --group-directories-first --file-type --dereference-command-line --all "$@" | less -RF;;
  (*binary)
    case "$(file "$last")" in
      (*:\ *compress*) /usr/share/nvim/runtime/macros/less.sh "$@";;
      (*:\ *\ image\ data*) viu --height "$(echo $LINES/2 | bc)" "$@";;
    esac
    tput setaf 3 && $elevate stat --format '%A size %sB, birth: %.10w mod %.10y' "$last"
    ;;
  (*) $elevate bat --style header "$@" --pager 'less -RF'
    tput setaf 3 && $elevate stat --format '%A size %sB, birth: %.10w mod %.10y' "$last"
    # TODO don't duplicate stat
    ;;
esac