#!/usr/bin/bash

### Help 
Help() {
    echo
    echo "Use fzf to search and install with Pacman and Yay"
    echo "Defaults to Pacman if no options passed"
    echo
    echo "Syntax: fpf -[y|h]"
    echo
    echo "options:"
    echo
    echo "y     Search and install with Yay"
    echo
    echo "h     Print this help screen."
    echo
}

### Manjaro Repo

Mrepos() {
	echo "Setting things up..."
	sort <(comm -23 <(pacman -Slq | sort) <(pacman -Qq | sort)) <(comm -12 <(pacman -Slq | sort) <(pacman -Qq | sort) | awk '{print $0" *"}') > /tmp/packages
    cat /tmp/packages |fzf -e -m --preview 'cat <(pacman -Si {1}) <(pacman -Fl {1} | awk "{print \$2}")' --layout=reverse --prompt='Select packages to install (use TAB to toggle selection) > ' | xargs -ro sudo pacman -S
}

### AUR Repo

Arepos() {
	wget -P /tmp/aur/ https://aur.archlinux.org/packages.gz >/dev/null 2>&1 && gunzip -f /tmp/aur/packages.gz
	echo "$(tail -n +2 /tmp/aur/packages)" > /tmp/aur/packages
	sort <(comm -23 <(sort /tmp/aur/packages) <(pacman -Qq | sort)) <(comm -12 <(sort /tmp/aur/packages) <(pacman -Qq | sort) | awk '{print $0" *"}') > /tmp/aur_packages
	cat /tmp/aur_packages | fzf -e -m --preview  'cat <(yay -Si {1}) <(yay -Fl {1} | awk "{print \$2}")' --layout=reverse --prompt='Select packages to install (use TAB to toggle selection) > ' | xargs -ro yay -S
}

### MAIN

#   Test for AUR option, if not run with pacman
if [[ -z "$1" ]]; then
	Mrepos
else
	for opt in "$@"; do
		case $opt in
    		-y|--yay) #Get AUR package database, remove unwanted lines, preview database and hand off to yay for install
       			echo -e "Syncing AUR package database..." 
				Arepos
       			;;
    		-h|--help) #Usage // Help
       			Help
       			;;
    		-*) #Error catching
       			echo "Invalid Usage"
       			Help
       			;;
    	esac
	done
fi