#!/bin/bash

want_cic_cache_version=0.3.0a2
want_cicada_version=0.0.2a3
#INSTALL_EVM=bloxberg

. aux/bdbg/bdbg.sh

_level=2
_debug=1

PIP_EXTRA_ARGS=$PIP_EXTRA_ARGS
PIP_EXTRA_INDEX_URL=${PIP_EXTRA_INDEX_URL:-https://pip.grassrootseconomics.net}
PIP_INDEX_URL=${PIP_INDEX_URL:-"https://pypi.org/simple"}
CIC_SETUP_TRUSTED_FINGERPRINT=${CIC_SETUP_TRUSTED_FINGERPRINT:-0826EDA1702D1E87C6E2875121D2E7BB88C2A746}
CIC_ROOT_URL=${CIC_ROOT_URL:-https://root.grassrootseconomics.net}

if [ "$UID" -eq 0 ]; then
	dbg $dbg_error "This cannot be run as root"
	exit 1
fi

. setup_check.sh
. setup_path.sh

mkdir -vp $HOME/.local/bin

dbg $dbg_debug "importing keys"

mkdir -vp $HOME/.local/share/cic/.gnupg
chmod 700 $HOME/.local/share/cic/.gnupg
for f in ./keys/*.asc; do
	gpg --homedir $HOME/.local/share/cic/.gnupg --import $f
done
gpg --homedir $HOME/.local/share/cic/.gnupg --import-ownertrust ./keys/trust

t=`mktemp`
dbg $dbg_debug "identify root values"

set -e
# check if we have existing setup
if [ ! -f  "$HOME/.config/cic/staff-client/key_fingerprint" ]; then
	dbg $dbg_debug "load default environment"

	config_directives=(CIC_REGISTRY_ADDRESS CIC_TRUST_ADDRESS META_URL TX_CACHE_URL CHAIN_SPEC)

	for c in ${config_directives[@]}; do
		v=${!c}
		if [ -z "$v" ]; then
			d=`mktemp -d`
			curl -X GET $CIC_ROOT_URL/cic-staff-client/$c -o $d/$c
			gpg --homedir $HOME/.local/share/cic/.gnupg --verify $d/$c
			v=`gpg --homedir $HOME/.local/share/cic/.gnupg -d $d/$c`
			echo $v >> $t
			dbg $dbg_debug "fetched environment variable $v"
		else
			dbg $dbg_debug "using predefined environment variable for $c = $v"
		fi
	done

	set -a
	. $t
	set +a

	# DATABASE_NAME set here works as long as only one database is involved...
	export DATABASE_PREFIX=$HOME/.local/share/cic/cache/${DATABASE_PREFIX:-staffclient}
	export DATABASE_ENGINE=sqlite
	export DATABASE_DRIVER=pysqlite
	export DATABASE_DEBUG=0
	export DATABASE_POOL_SIZE=0
	export DATABASE_USER=postgres
	export DATABASE_PASSWORD=`dd if=/dev/urandom bs=32 count=1 2> /dev/null | hexdump -v -n 32 -e '1/1 "%02x"'`

	dbg $dbg_debug "set up keys"
	if [ -z "$AUTH_KEY" ]; then
		. setup_key.sh
	else
		t=`mktemp`
		gpg --export -a $AUTH_KEY > $t
		echo -n $AUTH_KEY > $HOME/.config/cic/staff-client/key_fingerprint
		dbg $dbg_info "using key $AUTH_KEY"
	fi
	export AUTH_KEY=`cat $HOME/.config/cic/staff-client/key_fingerprint`
	export AUTH_KEYRING_PATH=$HOME/.config/cic/staff-client/.gnupg
	export AUTH_DB_PATH=$HOME/.local/share/cic/clicada
fi
set +e

dbg $dbg_debug "checking installed versions"

update=0
v=`pip show cic-cache | awk '/^Version/ {print $2;}'`
if [ "$?" -ne 0 ]; then
	dbg $dbg_warn "cic-cache is not installed. will update"
	update=1
elif [ "$v" != "$want_cic_cache_version" ]; then
	dbg $dbg_warn "cli-cache version $v installed but need $want_cic_cache_version, will update"
	update=1
else
	dbg $dbg_info "cli-cache version $v found"
fi

v=`pip show clicada | awk '/^Version/ {print $2;}'`
if [ "$?" -ne 0 ]; then
	dbg $dbg_warn "clicada is not installed, will update"
	update=1
elif [ "$v" != "$want_cicada_version" ]; then
	dbg $dbg_warn "clicada version $v installed but need $want_cicada_version, will update"
	update=1
else
	dbg $dbg_info "clicada version $v found"
fi

set -e

if [ $update -gt 0 ]; then
	dbg $dbg_debug "installing application files"

	debug_flag=
	if [ "$_level" -eq 1 ]; then
		debug_flag="-v"
	fi
	pip install --index-url $PIP_INDEX_URL --extra-index-url $PIP_EXTRA_INDEX_URL $PIP_EXTRA_ARGS $debug_flag -r requirements.txt
	update_path $HOME/.local/bin
fi


dbg $dbg_debug "installing configurations"
t=`mktemp`
if [ -f $HOME/.config/cic/cache/config.ini ]; then
	dbg $dbg_debug "migrating existing configuration"
	cic_cache_config_flag="-c $HOME/.config/cic/cache"
fi
cic-cache-trackerd --dumpconfig ini $cic_cache_config_flag -vv > $t
mkdir -vp $HOME/.config/cic/cache
mv -v $t $HOME/.config/cic/cache/config.ini

if [ -d $HOME/.config/cic/clicada/config.ini ]; then
	dbg $dbg_debug "migrating existing clicada configuration"
	clicada_config_flag="-c $HOME/.config/cic/clicada"
fi

clicada --dumpconfig ini $clicada_config_flag > $t
mkdir -vp $HOME/.config/cic/clicada
mv -v $t $HOME/.config/cic/clicada/config.ini

t=`mktemp`
cic-cache-trackerd --dumpconfig env $cic_cache_config_flag -vv > $t
set -a
. $t
set +a

dbg $dbg_debug "execute database migrations"

mkdir -vp $HOME/.local/share/cic/cache

migrate_cic_cache.py -c $HOME/.config/cic/cache/

t=`mktemp`
clicada --dumpconfig env $clicada_config_flag -vv > $t
set -a
. $t
set +a

. setup_systemd.sh

if [ ! -z $INSTALL_EVM ]; then
	. setup_${INSTALL_EVM}.sh
fi