#!/bin/bash

echo "####################################################################"
echo "# docker_paperless_setup_script                                    #"
echo "# Dennis Buchhorn - bucde@b-eit.de                                 #"
echo "####################################################################"
echo "# WARNING: password is plain text input!                           #"
echo "#                                                                  #"
echo "# Config will be saved in '.env' 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=""

PAPERLESS_PROJECT_NAME="paperless_${DATE}"
PAPERLESS_PROJECT_NAME_SUFFIX=""
PAPERLESS_CORE_CONTAINER_NAME="${PAPERLESS_PROJECT_NAME}_core"
PAPERLESS_BROKER_CONTAINER_NAME="${PAPERLESS_PROJECT_NAME}_broker"
PAPERLESS_VERSION=""
PAPERLESS_HOST_IP_ADDRESS=""
PAPERLESS_HOST_PORT=""
PAPERLESS_ADMIN_USER=""
PAPERLESS_ADMIN_PASSWORD=""
PAPERLESS_DB_HOST=""
PAPERLESS_DB_PORT=""
PAPERLESS_DB_NAME=""
PAPERLESS_DB_USER=""
PAPERLESS_DB_PASSWORD=""

read -p "Enter paperless project name suffix (leave empty for none): " PAPERLESS_PROJECT_NAME_SUFFIX

if [ -n "$PAPERLESS_PROJECT_NAME_SUFFIX" ]; then
    PAPERLESS_PROJECT_NAME="${PAPERLESS_PROJECT_NAME}_${PAPERLESS_PROJECT_NAME_SUFFIX}"
    PAPERLESS_CORE_CONTAINER_NAME="${PAPERLESS_CORE_CONTAINER_NAME}_${PAPERLESS_PROJECT_NAME_SUFFIX}"
    PAPERLESS_BROKER_CONTAINER_NAME="${PAPERLESS_BROKER_CONTAINER_NAME}_${PAPERLESS_PROJECT_NAME_SUFFIX}"
fi

rm -f .env
touch .env
echo "COMPOSE_PROJECT_NAME="$PAPERLESS_PROJECT_NAME >> .env
echo "PAPERLESS_CORE_CONTAINER_NAME="$PAPERLESS_CORE_CONTAINER_NAME >> .env
echo "PAPERLESS_BROKER_CONTAINER_NAME="$PAPERLESS_BROKER_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 paperless version which should be used: " PAPERLESS_VERSION
    read -p "Enter host (vm) ip address on which paperless should be accessible: " PAPERLESS_HOST_IP_ADDRESS
    read -p "Enter host (vm) port on which paperless should be accessible: " PAPERLESS_HOST_PORT
    read -p "Enter admin user name for paperless: " PAPERLESS_ADMIN_USER
    read -p "Enter admin password for paperless: " PAPERLESS_ADMIN_PASSWORD
    read -p "Enter database host for paperless: " PAPERLESS_DB_HOST
    read -p "Enter database port for paperless: " PAPERLESS_DB_PORT
    read -p "Enter database name for paperless: " PAPERLESS_DB_NAME
    read -p "Enter database user name for paperless: " PAPERLESS_DB_USER
    read -p "Enter database user password for paperless: " PAPERLESS_DB_PASSWORD

    rm -f config
    touch config
    echo "PAPERLESS_VERSION="$PAPERLESS_VERSION >> config
    echo "PAPERLESS_HOST_IP_ADDRESS="$PAPERLESS_HOST_IP_ADDRESS >> config
    echo "PAPERLESS_HOST_PORT="$PAPERLESS_HOST_PORT >> config
    echo "PAPERLESS_ADMIN_USER="$PAPERLESS_ADMIN_USER >> config
    echo "PAPERLESS_ADMIN_PASSWORD="$PAPERLESS_ADMIN_PASSWORD >> config
    echo "PAPERLESS_DB_HOST="$PAPERLESS_DB_HOST >> config
    echo "PAPERLESS_DB_PORT="$PAPERLESS_DB_PORT >> config
    echo "PAPERLESS_DB_NAME="$PAPERLESS_DB_NAME >> config
    echo "PAPERLESS_DB_USER="$PAPERLESS_DB_USER >> config
    echo "PAPERLESS_DB_PASSWORD="$PAPERLESS_DB_PASSWORD >> config

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

    while read line; do
        if [[ $line == *"PAPERLESS_HOST_IP_ADDRESS="* ]]; then
            PAPERLESS_HOST_IP_ADDRESS=$(echo $line | cut -c 27-)
        elif [[ $line == *"PAPERLESS_HOST_PORT="* ]]; then
            PAPERLESS_HOST_PORT=$(echo $line | cut -c 21-)
        fi
    done < "config"
fi

cat "config" >> ".env"

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

mkdir -p consume data export media

docker-compose up -d

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

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

echo -e "\nPaperless is ready!"

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

    echo "Config file 'config' deleted!"
fi

rm -f .env

echo "Done!"