#!/usr/bin/env fish

# get file name from path
function fname
	string replace -r "^"(dirname "$argv[1]")/ "" "$argv[1]"
end


# convert a note name or otherwise stuff to a notes path
function n_path
	if string match -qr "^"(realpath ~/notes) "$argv[1]"
		echo $argv[1]
	end
	echo (realpath ~/notes)/(string replace -ar "\s" "_" "$argv[1]")
end

# ensure .md ending
function ensure_md
	if test (count $argv) -eq 0 -a -t 0
		read inp
	else
		set inp "$argv[1]"
	
	end
	
	if string match -qr "\.md\$" "$inp"
		echo "$inp"
	else
		echo "$inp.md"
	end
end


# edit a note, arg1 = note name
function note_edit
	eval $EDITOR (n_path "$argv[1]" | ensure_md)
end

# create a new note
# agr1 = note name (path)
# arg2 = (opt) note content
function note_new
	set path (n_path "$argv[1]" | ensure_md)
	
	if test -f "$path"
		echo "note at $path already exists"
		exit 1
	end
	
	# create path for note
	mkdir -p (dirname "$path")
	
	echo -e "# "(fname "$argv[1]")"\n\n$argv[2]" > $path

	note_edit "$path"
end

# show a note 
# arg1 = path to note (or folder)
# arg2 = delimiter (default=", "
function note_search
	set root (realpath ~/notes)/
	set results
	
	set delim ", "
	test -n "$argv[2]"; and set delim "$argv[2]"

	for f in (rg -l "$argv[1]" ~/notes)
		set f (string replace "$root" "" "$f")
		set results "$f" $results
	end

	echo -e (string join "$delim" $results)
end

# print the contents of a note
# arg1 = desired note path
function note_print
	set path (n_path "$argv[1]" | ensure_md)
	if test ! -f (n_path "$path")
		echo "note at $path is not a file!"
		exit 1
	end

	cat "$path"
end



# main
if test "$argv[1]" = "create"
	note_new $argv[2..-1]
else if test "$argv[1]" = "edit"
	note_edit $argv[2..-1]
else if test "$argv[1]" = "find" -o "$argv[1]" = "search"
	note_search $argv[2..-1]
else if test "$argv[1]" = "git"
	eval git -C ~/notes/ $argv[2..-1]
else if test "$argv[1]" = "print" -o "$argv[1]" = "show"
	note_print $argv[2..-1]	
else if test "$argv[1]" = "list" -o "$argv[1]" = "tree"
	tree ~/notes/
else
	echo "Unknown argument: $argv[1]"
end