INSTALL

#!/bin/sh

_away_error() {
	${1} >/dev/null 2>&1
}

_away_all() {
	${1} >/dev/null
}

# DETERMINE SYSTEM ARCHITECTURE AND CURRENT USER
arch=$(uname -m)
currentuser=$(who | awk '{print $1}')

_check_dependency() {
    program="$1"
    _away_all command -v "$program" && return 0 || echo "For Installation to work, install \"$program\" first!" && exit 1
}

_check_dependency 'wget'
_check_dependency 'curl'

# CREATING THE MAIN DIRECTORY FOR "AM"
mkdir -p /opt/am/.cache /opt/am/modules || exit 1
cd /opt/am || exit 1

# CREATE THE SCRIPT NEEDED TO UNINSTALL "AM"
printf '#!/bin/sh\n\nset -e\n' > /opt/am/remove
printf '\n%s\n' 'if [ "$(id -u)" -ne 0 ]; then echo "Permission denied"; exit 1; fi' >> /opt/am/remove
printf '%s\n' 'rm -f /usr/local/bin/am /etc/bash_completion.d/am-completion.sh' >> /opt/am/remove
printf '%s\n' 'rm -R -f /opt/am' >> /opt/am/remove
chmod a+x /opt/am/remove || exit 1

# DOWNLOAD THE MAIN SCRIPT
wget -q https://raw.githubusercontent.com/ivan-hc/AM/main/APP-MANAGER
chmod a+x /opt/am/APP-MANAGER || exit 1

# LINK THE MAIN SCRIPT TO A KNOWN PATH
ln -s /opt/am/APP-MANAGER /usr/local/bin/am || echo "WARNING: Something went wrong!"

# DOWNLOAD THE LIST OF THE AVAILABLE PROGRAMS
wget -q "https://raw.githubusercontent.com/ivan-hc/AM/main/programs/$arch-apps" || exit 1

# DOWNLOAD MODULES
MODULES=$(curl -Ls https://api.github.com/repos/ivan-hc/AM/contents/modules | sed 's/[()",{}]/ /g; s/ /\n/g' | grep -o 'https.*raw.*modules.*am$' | grep -v "sync\|update")
for module in $MODULES; do
	for v in $module; do
		cd /opt/am/modules || exit
		mkdir -p tmp
		cd tmp || exit
		wget -q "$v"
		cd ..
		mv tmp/*.am ./
		chmod a+x ./*.am
		rmdir tmp
	done
done

# ENABLE NON-ROOT PERMISSIONS TO THE MAIN DIRECTORY FOR THE CURRENT USER
chown -R $currentuser /opt/am 2> /dev/null

# ADD THE BASH COMPLETION SCRIPT
echo '#!/usr/bin/env bash
complete -W "$(cat /opt/am/list 2>/dev/null)" am' >> /opt/am/am-completion.sh
chmod a+x /opt/am/am-completion.sh

if test -f /etc/bash_completion.d; then
	mv /opt/am/am-completion.sh /etc/bash_completion.d/
else
	mkdir -p /etc/bash_completion.d
	sudo mv /opt/am/am-completion.sh /etc/bash_completion.d/
fi

# SHOW THE MESSAGE
echo '
               _____                    _____
              /\    \                  /\    \		   A	   A
             /::\    \                /::\____\		    P	    M
            /::::\    \              /::::|   |		     P
           /::::::\    \            /:::::|   |		      M	      &
          /:::/\:::\    \          /::::::|   |		       A
         /:::/__\:::\    \        /:::/|::|   |		        N
        /::::\   \:::\    \      /:::/ |::|   |
       /::::::\   \:::\    \    /:::/  |::|___|______
      /:::/\:::\   \:::\    \  /:::/   |::::::::\    \
     /:::/  \:::\   \:::\____\/:::/    |:::::::::\____\
     \::/    \:::\  /:::/    /\::/    / ~~~~~/:::/    /
      \/____/ \:::\/:::/    /  \/____/      /:::/    /
               \::::::/    /               /:::/    /
                \::::/    /               /:::/    /
                /:::/    /               /:::/    /╔═╗╔╗╔┌─┐┌─┐┌─┐┬─┐
               /:::/    /               /:::/    / ╠═╣║║║├─┤│ ┬├┤ ├┬┘
              /:::/    /               /:::/    /  ╩ ╩╝╚╝┴ ┴└─┘└─┘┴└─
             /:::/    /╔═╗╔═╗┬  ┬┌─┐┌─┐┌┬┐┬┌─┐┌┐┌
             \::/    / ╠═╝╠═╝│  ││  ├─┤ │ ││ ││││
              \/____/  ╩  ╩  ┴─┘┴└─┘┴ ┴ ┴ ┴└─┘┘└┘	by Ivan Alex HC

  >> 𝘋𝘢𝘵𝘢𝘣𝘢𝘴𝘦 & 𝘴𝘰𝘭𝘶𝘵𝘪𝘰𝘯𝘴 𝘧𝘰𝘳 𝘢𝘭𝘭 𝘈𝘱𝘱𝘐𝘮𝘢𝘨𝘦𝘴 𝘢𝘯𝘥 𝘱𝘰𝘳𝘵𝘢𝘣𝘭𝘦 𝘢𝘱𝘱𝘴 𝘧𝘰𝘳 𝘎𝘕𝘜/𝘓𝘪𝘯𝘶𝘹 <<

 ##########################################################################
 __________________________________________________________________________

 SITE: https://portable-linux-apps.github.io

 REPOSITORY: https://github.com/ivan-hc/AM
 __________________________________________________________________________

 ##########################################################################

             Run "am -h" to see the list of the options
 ##########################################################################
'