#!/bin/bash

echo "####################################################################"
echo "# docker_portainer_setup_script                                    #"
echo "# Dennis Buchhorn - bucde@b-eit.de                                 #"
echo "####################################################################"
echo "# WARNING: password is plain text input!                           #"
echo "#                                                                  #"
echo "# Config will be saved in 'config' file.                           #"
echo "# (everything in plain text, even the password)                    #"
#echo "#  #"
echo "####################################################################"
echo ""

DATE=$(date +'%y%m%d%H%M%S')

CONFIG_EXISTS="false"
USE_EXISTING_CONFIG=""
DELETE_CONFIG=""

PORTAINER_PROJECT_NAME="portainer_${DATE}"
PORTAINER_PROJECT_NAME_SUFFIX=""
PORTAINER_CONTAINER_NAME="${PORTAINER_PROJECT_NAME}_db"
PORTAINER_VERSION=""
PORTAINER_HOST_IP_ADDRESS=""
PORTAINER_HOST_PORT=""

read -p "Enter portainer project name suffix (leave empty for none): " PORTAINER_PROJECT_NAME_SUFFIX

if [ -n "$PORTAINER_PROJECT_NAME_SUFFIX" ]; then
    PORTAINER_PROJECT_NAME="${PORTAINER_PROJECT_NAME}_${PORTAINER_PROJECT_NAME_SUFFIX}"
    PORTAINER_CONTAINER_NAME="${PORTAINER_CONTAINER_NAME}_${PORTAINER_PROJECT_NAME_SUFFIX}"
fi

rm -f .env
touch .env
echo "COMPOSE_PROJECT_NAME="$PORTAINER_PROJECT_NAME >> .env
echo "PORTAINER_CONTAINER_NAME="$PORTAINER_CONTAINER_NAME >> .env

if [ -f "config" ]; then
    CONFIG_EXISTS="true"
    read -p "Config file 'config' already exists! Would you like to use this? (y/n)" USE_EXISTING_CONFIG
fi

if [ $CONFIG_EXISTS == "false" ] || [ $USE_EXISTING_CONFIG == "n" ]; then
    read -p "Enter portainer version which should be used: " PORTAINER_VERSION
    read -p "Enter host (vm) ip address on which portainer should be accessible: " PORTAINER_HOST_IP_ADDRESS
    read -p "Enter host (vm) port on which portainer should be accessible: " PORTAINER_HOST_PORT

    rm -f config
    touch config
    echo "PORTAINER_VERSION="$PORTAINER_VERSION >> config
    echo "PORTAINER_HOST_IP_ADDRESS="$PORTAINER_HOST_IP_ADDRESS >> config
    echo "PORTAINER_HOST_PORT="$PORTAINER_HOST_PORT >> config

    echo "Config file 'config' created!"
else
    echo "Use existing config file 'config'!"
fi

cat "config" >> ".env"

read -p "Should the config file 'config' be deleted after creating the container? (y/n)" DELETE_CONFIG

docker-compose up -d

echo -n "Wait until portainer is ready ..."

while [[ "$(curl -fLs -w ''%{http_code}'' $PORTAINER_HOST_IP_ADDRESS:$PORTAINER_HOST_PORT -o /dev/null)" != "200" ]] ; do
    echo -n "."
    sleep 1
done

echo -e "\nPortainer is ready!"

if [ $DELETE_CONFIG == "y" ]; then
    rm -f config

    echo "Config file 'config' deleted!"
fi

rm -f .env

echo "Done!"