#!/usr/bin/env bash

function print_help(){
	echo -e "switch\t\tSwitches the current project"
	echo -e "\t--auto\tAutomatically deduce the project based on current working directory"
	echo -e "\t--fzf\tUses fzf to choose a project"
	echo -e "\t--dmenu\tUses dmenu to choose a project"
	echo -e "\t--rofi\tUses rofi to choose a project"
	echo -e "\t--unset\tUnsets the project"
	echo -e "\t<project>\tSets the project"
}

function auto_switch(){
	local switchto
	if echo "$PWD" | grep -q "$PROJECTS_PATH"; then
		switchto=$( echo "$PWD" | sed "s#$PROJECTS_PATH/##")
		switchto="${switchto%/*}"
		if [[ "$PWD" == "$PROJECTS_PATH" ]]; then
			switchto="--unset"
		fi
	else
		switchto="--unset"
	fi
	"$0" "$switchto"
}
function unset_project(){
	if [ -L "$SYMLINC" ]; then
		rm "$SYMLINC" 2> /dev/null
		# See note about SIGWINCH below
		pkill -u $USER -SIGWINCH zsh
		project hosts hosts_file
	fi
}

function set_project(){
	[ -z "$1" ] && exit 1
	local switchto="$PROJECTS_PATH/$1"
	if [ -d "$switchto" ]; then
		if [ -L "$SYMLINC" ]; then
			rm "$SYMLINC" 2> /dev/null
		fi
		ln -s "$switchto" "$SYMLINC"
		pkill -u $USER -SIGWINCH zsh
		project hosts hosts_file
	else
		echo "No such directory $switchto"
		exit 1
	fi
}

case "$1" in 
	-h|--help)
		print_help | column -t -s"	"
		exit 0
		;;
	--parent-help)
		print_help
		exit 0
		;;
	--auto)
		auto_switch
		exit 0
		;;
	--fzf)
		project-list --options | fzf --no-preview | xargs "$0"
		exit 0
		;;
	--dmenu)
		project-list --options | dmenu -i | xargs "$0"
		exit 0
		;;
	--rofi)
		project-list --options | rofi -dmenu -i | xargs "$0"
		exit 0
		;;
	--unset)
		unset_project
		exit 0
		;;
	--new)
		project_new
		exit 0
		;;
	*)
		set_project "$1"
		#list_projects "$@"
		exit 0
		;;
esac