#!/bin/bash
#
# Plugin: fzfing
# Description: fzf based file fuzzy finder for Bash
# Author: Anon
# Date: 2024
# Version: 1.1
# Source:
#   mirror 1: http://bis64wqhh3louusbd45iyj76kmn4rzw5ysawyan5bkxwyzihj67c5lid.onion/anon/fzfind
#   mirror 2: https://github.com/agvxov/fzfind


[ -z "$FZFINDMETHOD" ] && FZFINDMETHOD="find"

if [ -z "$FZFINDDOBIND" ] || $FZFINDDOBIND; then
	bind -x '"\C-f": fzfind'
fi


function echo_readline_line(){
	# Remove non-printable character sequence markers
	PS1_CLEANED="${PS1//\\\[/}"
	PS1_CLEANED="${PS1_CLEANED//\\\]/}"
	# Insert position marker; Eval PS1
	eval "env echo -e \"${PS1_CLEANED}${1:0:${2}}\033[45m \033[0m${1:${2}}\""
}
function fzfind(){
	# Show command and substitution position
		echo_readline_line "${READLINE_LINE}" "${READLINE_POINT}"
	# Get narrowing substring
		OPX=""
		if [ "${READLINE_LINE:$(expr $READLINE_POINT - 1):1}" != " " ]; then
			OPX=$(lastWord "${READLINE_LINE:0:${READLINE_POINT}}")
		fi
		if [ $FZFINDMETHOD == "find" ]; then
			PX="$OPX"
			STR=$(find ./"$PX/" 2> /dev/null | fzf --multi=1)
		elif [ $FZFINDMETHOD == "locate" ]; then
			PX="$(realpath  $PWD/$OPX)"
			STR=$(locate --existing --regex $PX/'.*' 2> /dev/null | fzf --multi=1)
		else
			echo -e "\033[31;1mNonsensical \033[34;1m\${FZFINDMETHOD} \033[31;1mvalue.\033[0m"
		fi
	# Remove narrowing substring from result to prevent duplication
		STR="${STR/${PX}/}"
	# Write $READLINE_LINE
		[ -z "$STR" ] && return
		READLINE_LINE="${READLINE_LINE:0:$(expr ${READLINE_POINT} - ${#OPX})}\"${OPX}${STR}\"${READLINE_LINE:${READLINE_POINT}}"	# start_til_px + '"' + px + str '"' + rest
		READLINE_POINT=$(expr ${READLINE_POINT} + ${#OPX} + ${#STR} + 2)	# +2 for the '"'s
}