#!/usr/bin/env bash

_highlight() {
	declare -n syn=$1

	if [[ "$syn" ]]; then
		exec highlight --force --inline-css -f -I -O xhtml -S "$syn" 2>/dev/null
	else
#		echo " :cgit: No syntax type provided."
		exec cat
	fi
}

file_name=$1
file_extension="${file_name##*.}"

if ! [[ "$file_name" == "$file_extension" ]]; then
	case "$file_extension" in
		(md) exec cmark;;
		(bash|zsh) syntax='sh';;
		(*) syntax=$file_extension;;
	esac
fi

case "$file_name" in
	(Makefile) syntax='makefile';;
	(PKGBUILD) syntax='sh';;
esac

# Read and output the first line
read -r

# Set syntax if the first line is a shebang
if [[ "$REPLY" =~ ^'#!' ]]; then
        case "$REPLY" in
                (*sh) syntax='sh';;
		(*ruby*) syntax='ruby';;
        esac
fi

{
	# Print the first line
	printf '%s\n' "$REPLY"

	# Read and output everything
	while read -r; do
		printf '%s\n' "$REPLY"
	done
} | _highlight syntax