.lessfilter

# #! /usr/bin/env sh
# # this is a example of .lessfilter, you can change it
# mime=$(file -bL --mime-type "$1")
# category=${mime%%/*}
# kind=${mime##*/}
# if [ -d "$1" ]; then
# 	exa --git -hl --color=always --icons "$1"
# elif [ "$category" = image ]; then
# 	chafa "$1"
# 	exiftool "$1"
# elif [ "$kind" = vnd.openxmlformats-officedocument.spreadsheetml.sheet ] || \
# 	[ "$kind" = vnd.ms-excel ]; then
# 	in2csv "$1" | xsv table | bat -ltsv --color=always
# elif [ "$category" = text ]; then
# 	bat --color=always "$1"
# else
# 	lesspipe.sh "$1" | bat --color=always
# fi
# # lesspipe.sh don't use exa, bat and chafa, it use ls and exiftool. so we create a lessfilter.

#! /usr/bin/env bash
has_cmd() {
	for opt in "$@"; do
		command -v "$opt" >/dev/null
	done
}

mime=$(file -Lbs --mime-type "$1")
category=${mime%%/*}
kind=${mime##*/}
ext=${1##*.}
if [ "$kind" = json ]; then
	if has_cmd jupyter bat && [ "$ext" = ipynb ]; then
		jupyter nbconvert --to python --stdout "$1" | bat --color=always -plpython
	elif has_cmd jq; then
		jq -Cr . "$1"
	fi
# elif [ "$kind" = vnd.sqlite3 ]; then
# 	if has_cmd yes sqlite3 bat; then
# 		yes .q | sqlite3 "$1" | bat --color=always -plsql
# 	fi
# https://github.com/wofr06/lesspipe/pull/107
elif [ -d "$1" ]; then
	if has_cmd eza; then
		eza --sort=type --long --no-time --no-permissions --time-style=relative --color=always --icons "$1" #  --no-user  --git
	elif has_cmd exa; then
		exa -la --color=always --icons "$1"
	fi
# https://github.com/wofr06/lesspipe/pull/110
elif [ "$kind" = pdf ]; then
	if has_cmd pdftotext sed; then
		pdftotext -q "$1" - | sed "s/\f/$(hr ─)\n/g"
	fi
# https://github.com/wofr06/lesspipe/pull/115
elif [ "$kind" = rfc822 ]; then
	if has_cmd bat; then
		bat --color=always -lEmail "$1"
	fi
# https://github.com/wofr06/lesspipe/pull/106
elif [ "$category" = image ]; then
	if has_cmd chafa; then
		chafa --scale 0.5 --color-space rgb -c 240 --dither none -f symbols "$1"
	fi
	echo -e "\n"
	if has_cmd exiftool; then
		exiftool "$1" | bat --color=always -plyaml
	fi
# https://github.com/wofr06/lesspipe/pull/117
elif [ "$category" = text ]; then
	if has_cmd bat; then
		bat -P --style 'plain,changes' --color=always "$1"
	elif has_cmd pygmentize; then
		pygmentize "$1" | less
	fi
# elif [ $(has_cmd "$1") ]; then
# 	if has_cmd tldr; then
# 		tldr "$1" | less
# 	else
# 		cat $(which "$1") $(man "$1") | less
# 	fi
else
	lesspipe.sh "$1" | bat --color=always
	# exit 1
fi