#!/bin/bash
clear
printf "Arching Kaos Tools Installer\n"
printf "============================\n"
printf "Welcome to our ever involving installer\n"
printf "We will be as verbose as possible, yet minimal\n"
printf "Our default behaviour is to ask the less is needed\n"
printf "\n"
printf "For minimum overall friction, we will ask sudo access only if it's\n"
printf "needed for a missing package.\n"
printf "\n"
printf "We discourage running the installer with sudo.\n"
printf "\n"
printf "Installation starts in..."
countdown=30
printf " %s" "$countdown"
countdown="$(expr $countdown - 1)"
sleep 1
while [ $countdown -gt 0 ]
do
    if [ $countdown -lt 10 ]
    then
        printf "\b\b %s" "$countdown"
    else
        printf "\b\b%s" "$countdown"
    fi
    countdown="$(expr $countdown - 1)"
    sleep 1
done
printf "\b\b starting!!!"
sleep 1
printf "\n"
packageManager=""
installCommand=""
dontAskFlag=""
checkPkgManager(){
    printf "Searching for package manager..."
    which dnf 2> /dev/null 1>&2
    if [ $? == 0 ]
    then
        printf "\tFound DNF\n"
        packageManager="$(which dnf)"
        installCommand="install"
        dontAskFlag="-y"
    fi
    which apt 2> /dev/null 1>&2
    if [ $? == 0 ]
    then
        printf "\tFound APT\n"
        packageManager="$(which apt)"
        installCommand="install"
        dontAskFlag="-y"
    fi
    which zypper 2> /dev/null 1>&2
    if [ $? == 0 ]
    then
        printf "\tFound ZYPPER\n"
        packageManager="$(which zypper)"
        installCommand="install"
        dontAskFlag="-y"
    fi
    which pacman 2> /dev/null 1>&2
    if [ $? == 0 ]
    then
        printf "\tFound PACMAN\n"
        packageManager="$(which pacman)"
        installCommand="-S"
        dontAskFlag="--noconfirm"
    fi
    which apk 2> /dev/null 1>&2
    if [ $? == 0 ]
    then
        printf "\tFound APK\n"
        packageManager="$(which apk)"
        installCommand="add"
        dontAskFlag="-q"
    fi
    if [ "$packageManager" == "" ]
    then
        printf "Could not find package manager\n"
    fi
}
checkPkgManager

sudoBin="sudo"
checkIfSudoAvailable(){
    which sudo 2> /dev/null 1>&2
    if [ $? -ne 0 ]
    then
        sudoBin=""
    fi
}
checkIfSudoAvailable

# Depedencies check and install
declare -a depedencies=("curl" "wget" "bash" "jq" "npm" "gpg" "git" "make")
for dep in "${depedencies[@]}"
do
    printf "Checking for %s..." "$dep"
    which $dep 2> /dev/null 1>&2
    if [ $? -ne 0 ]
    then
        printf "\t Not found!"
        if [ "$packageManager" != "" ]
        then
            $sudoBin $packageManager $installCommand $dontAskFlag $dep 1> /dev/null 2>&1
            if [ $? -ne 0 ]
            then
                printf "\t Failed to install!\n"
                exit 1
            fi
            printf "\t installed!\n"
        else
            printf "\t Don't know how to install!\n"
            exit 1
        fi
    else
        printf "\t Found!\n"
    fi
done

# Work-around for gpg2 calls on distros that don't provide a link
which gpg2
if [ $? -ne 0 ]
then
    which gpg
    if [ $? == 0 ]
    then
        $sudoBin ln -s /usr/bin/gpg /usr/bin/gpg2
    fi
fi

source ./config.sh
printf "%s" $(pwd) > wam
WHEREAMI="$(cat wam)"
if [ ! -d $AK_WORKDIR ]
then
    mkdir $AK_WORKDIR
else
    printf "Error: Found %s.\n" "$AK_WORKDIR"
    printf "Please back up your previous installation\n"
    printf "and rerun ./install.sh.\n"
    exit 5
fi

if [ ! -d $AK_CONFIGDIR ] ; then mkdir $AK_CONFIGDIR ;fi
if [ ! -d $AK_BINDIR ]; then mkdir $AK_BINDIR ;fi
if [ ! -d $AK_ZBLOCKDIR ]; then mkdir $AK_ZBLOCKDIR ;fi
if [ ! -d $AK_BLOCKDIR ]; then mkdir $AK_BLOCKDIR ;fi
if [ ! -d $AK_DATADIR ]; then mkdir $AK_DATADIR ;fi
if [ ! -d $AK_ARCHIVESDIR ]; then mkdir $AK_ARCHIVESDIR ;fi
if [ ! -f $AK_LOGSFILE ]; then touch $AK_LOGSFILE ;fi
if [ ! -f $AK_GENESIS ]; then touch $AK_GENESIS;fi
if [ ! -d $AK_MINEDBLOCKSDIR ]; then mkdir $AK_MINEDBLOCKSDIR; fi
if [ ! -f $AK_ZBLOCKSFILE ]; then mkdir $AK_ZBLOCKSFILE; fi
if [ ! -f $AK_ZPAIRSFILE ]; then mkdir $AK_ZPAIRSFILE; fi
if [ ! -d $AK_CACHEDIR ]; then mkdir $AK_CACHEDIR; fi
if [ ! -d $AK_GPGHOME ]; then mkdir $AK_GPGHOME && chmod 700 -R $AK_GPGHOME; fi

touch $AK_WORKDIR/logs
logthis(){
	echo "Install script: $1" >> $AK_WORKDIR/logs
}

HAK=".arching-kaos"
logthis "Searching for $HAK folder and files"
if [ ! -d $HOME/$HAK ]; then
	mkdir $HOME/$HAK
	logthis "$HAK created in $HOME";
fi
logthis "Searching for rc"
if [ ! -f $HOME/$HAK/rc ]; then
	echo export PATH=$PATH:$HOME/$HAK/bin > $HOME/$HAK/rc
	cat config.sh >> $HOME/$HAK/rc
	logthis "New rc export to file";
fi
logthis "Searching for shell"
if [ $SHELL == "/usr/bin/zsh" ]; then
	SHELLRC=".zshrc"
	logthis "ZSH found";
elif [ $SHELL == "/usr/bin/bash" ]; then
	SHELLRC='.bashrc'
	logthis "BASH found";
else
	logthis "Unknown shell... defaulting to bash"
	SHELLRC='.bashrc'
fi
logthis "Searching if rc is already there"
grep "source $HOME/$HAK/rc" $HOME/$SHELLRC > /dev/null 2>&1
if [ $? == 0 ]; then
	logthis "Already installed";
else
	echo "source $HOME/$HAK/rc" >> $HOME/$SHELLRC
	logthis "$HAK installed at $HOME and sourced it in $SHELLRC"
	source $HOME/$HAK/rc;
fi
sh ipfs-check-install-setup-init-update
source ./config.sh
source $HOME/$SHELLRC
sh init.sh
make
if [ $? -ne 0 ]
then
    printf 'Building API daemon failed\n'
    exit 1
fi
ln -s $WHEREAMI/build/ak-daemon $AK_BINDIR/ak-daemon