#!/bin/bash

# potential flags: custom tag, no squash, delete/redo, custom dir

# Parameters
if [[ $# -eq 0 ]]; then
        echo "Usage: $0 imagedir [containername]"
        exit 0
fi

if [[ ! -d $1 ]]; then
        echo "Error: directory \"$1\" not found."
        exit 1
else
        proj=$1
fi

if [[ -n $2 ]]; then
        cont=$2
else
        cont=$proj
fi

fail() {
        podman image rm $proj:$today
        podman rm -f $cont
        echo "Encountered unexpected error. Exiting."
        exit 2
}

today=$(date "+%Y-%m-%d-T%H%M")
tag=latest

# Main
set -e
cd $proj

# execute install script if it exists
# install script should be idempotent
if [[ -f Install ]]; then
        ./Install
fi

# build image
echo "Building container ..."
podman build -f Containerfile -t $proj:$today -t $proj:$tag || fail
#--squash
# start container
echo "Creating container ..."
podman create --name $cont $proj:$today || fail
podman start $cont || fail
# Systemdfile is for commands that need systemd to execute
echo "Running build steps that require systemd ..."
podman exec $cont bash -c "if [ -f /root/Systemdfile ]; then /root/Systemdfile; fi" || fail
echo "Finished!"
# get container IP
printf "Container IP is: "
podman inspect -f '{{ .NetworkSettings.IPAddress }}' $cont
#echo "Use this address to configure your reverse proxy"

# todo: configure autostart service
# todo: handle volumes