#!/bin/sh

# fzf-grep: browse through grepped lines using fzf

if [ "$OPENFLAG" = 0 ]; then
	location="$(echo "$*" | sed 's/^\(.*\):\([0-9]\+\):.*$/\1|\2/')"
	file="${location%|*}"; line="${location##*|}"
	case "${OPENWITH:=$EDITOR}" in
		''|vi|*vim*) $OPENWITH +"$line" "$file" ;;
		*) $OPENWITH "$file" ;;
	esac; exit
fi

[ -z "$FZF_HISTDIR" ] &&
	export FZF_HISTDIR="${XDG_STATE_HOME:-$HOME/.local/state}/fzf"
mkdir -pv "$FZF_HISTDIR"
export FZF_HIST="$FZF_HISTDIR/grep_history"

cmd="grep -Rnsi --exclude-dir=.git --exclude-dir=node_modules --color=always"
$cmd "$@" |
	fzf --ansi \
		--history="$FZF_HIST" \
		--prompt="grep > " \
		--preview='preview "$(echo {1} | cut -d: -f1)"' \
		--preview-window="hidden" \
		--bind 'ctrl-v:toggle-preview,ctrl-space:toggle-preview' \
		--bind "ctrl-r:reload($cmd $*)" \
		--bind 'enter:execute(append-to-history {} "$FZF_HIST"; OPENFLAG=0 fgrp {})' \
		--bind 'alt-e:execute(append-to-history {} "$FZF_HIST"; OPENFLAG=0 OPENWITH=${EDITOR:-vi} fgrp {})' \
		--bind 'alt-o:execute(append-to-history {} "$FZF_HIST"; OPENFLAG=0 OPENWITH=${OPENER:-xdg-open} fgrp {})' \
		--bind 'alt-O:execute(append-to-history {} "$FZF_HIST"; OPENFLAG=0 OPENWITH=${FILES:-lf} fgrp {})'