#!/usr/bin/env bash

# Copyright (c) 2021-2024 tteck
# Author: MickLesk (Canbiz)
# License: MIT
# https://github.com/tteck/Proxmox/raw/main/LICENSE

source /dev/stdin <<<"$FUNCTIONS_FILE_PATH"
color
verb_ip6
catch_errors
setting_up_container
network_check
update_os

msg_info "Installing Dependencies (Patience)"
$STD apt-get install -y \
    unzip \
    htop \
    gnupg2 \
    ca-certificates \
    default-jdk \
    apt-transport-https \
    ghostscript \
    tesseract-ocr \
    tesseract-ocr-deu \
    tesseract-ocr-eng \
    unpaper \
    unoconv \
    wkhtmltopdf \
    ocrmypdf \
    sudo \
    make \
    mc
msg_ok "Installed Dependencies"

msg_info "Setting up PostgreSQL Repository"
curl -fsSL https://www.postgresql.org/media/keys/ACCC4CF8.asc | gpg --dearmor -o /etc/apt/trusted.gpg.d/postgresql.gpg
echo "deb https://apt.postgresql.org/pub/repos/apt bookworm-pgdg main" >/etc/apt/sources.list.d/pgdg.list
msg_ok "Set up PostgreSQL Repository"

msg_info "Setup Apache Solr"
mkdir -p /opt/docspell
cd /opt/docspell
SOLR_DOWNLOAD_URL="https://downloads.apache.org/lucene/solr/"
latest_version=$(curl -s "$SOLR_DOWNLOAD_URL" | grep -oP '(?<=<a href=")[^"]+(?=/">[0-9])' | head -n 1)
download_url="${SOLR_DOWNLOAD_URL}${latest_version}/solr-${latest_version}.tgz"
wget -q "$download_url"
tar xzf "solr-$latest_version.tgz"
$STD bash "/opt/docspell/solr-$latest_version/bin/install_solr_service.sh" "solr-$latest_version.tgz"
mv /opt/solr /opt/docspell/solr
systemctl enable -q --now solr
$STD su solr -c '/opt/docspell/solr/bin/solr create -c docspell'
msg_ok "Setup Apache Solr"

msg_info "Install/Set up PostgreSQL Database"
$STD apt-get install -y postgresql-16
DB_NAME=docspell_db
DB_USER=docspell_usr
DB_PASS="$(openssl rand -base64 18 | tr -dc 'a-zA-Z0-9' | cut -c1-13)"
$STD sudo -u postgres psql -c "CREATE ROLE $DB_USER WITH LOGIN PASSWORD '$DB_PASS';"
$STD sudo -u postgres psql -c "CREATE DATABASE $DB_NAME WITH OWNER $DB_USER ENCODING 'UTF8' TEMPLATE template0;"
$STD sudo -u postgres psql -c "ALTER ROLE $DB_USER SET client_encoding TO 'utf8';"
$STD sudo -u postgres psql -c "ALTER ROLE $DB_USER SET default_transaction_isolation TO 'read committed';"
$STD sudo -u postgres psql -c "ALTER ROLE $DB_USER SET timezone TO 'UTC';"
{
    echo "Docspell-Credentials"
    echo "Docspell Database Name: $DB_NAME"
    echo "Docspell Database User: $DB_USER"
    echo "Docspell Database Password: $DB_PASS"
} >>~/docspell.creds
msg_ok "Set up PostgreSQL Database"

msg_info "Setup Docspell (Patience)"
Docspell=$(wget -q https://github.com/eikek/docspell/releases/latest -O - | grep "title>Release" | cut -d " " -f 5)
DocspellDSC=$(wget -q https://github.com/docspell/dsc/releases/latest -O - | grep "title>Release" | cut -d " " -f 4 | sed 's/^v//')
cd /opt
wget -q https://github.com/eikek/docspell/releases/download/v${Docspell}/docspell-joex_${Docspell}_all.deb
wget -q https://github.com/eikek/docspell/releases/download/v${Docspell}/docspell-restserver_${Docspell}_all.deb
$STD dpkg -i docspell-*
wget -q https://github.com/docspell/dsc/releases/download/v${DocspellDSC}/dsc_amd64-musl-${DocspellDSC}
mv dsc_amd* dsc
chmod +x dsc
mv dsc /usr/bin
ln -s /etc/docspell-joex /opt/docspell/docspell-joex && ln -s /etc/docspell-restserver /opt/docspell/docspell-restserver && ln -s /usr/bin/dsc /opt/docspell/dsc
cd /opt && rm -R solr-$latest_version && rm -R docspell-joex_${Docspell}_all.deb && rm -R docspell-restserver_${Docspell}_all.deb
cd /opt/docspell && rm -R solr-$latest_version.tgz && rm -R solr-$latest_version

sed -i -E "
  s|bind\.address = \".*\"|bind.address = \"0.0.0.0\"|;
  s|url = \"jdbc:postgresql://server:5432/db\"|url = \"jdbc:postgresql://localhost:5432/$DB_NAME\"|;
  s|user = \".*\"|user = \"$DB_USER\"|;
  s|password = \".*\"|password = \"$DB_PASS\"|;
" /opt/docspell/docspell-restserver/docspell-server.conf
sed -i -E "
  s|bind\\.address = \".*\"|bind.address = \"0.0.0.0\"|;
  s|url = \"jdbc:postgresql://server:5432/db\"|url = \"jdbc:postgresql://localhost:5432/$DB_NAME\"|;
  s|user = \".*\"|user = \"$DB_USER\"|;
  s|password = \".*\"|password = \"$DB_PASS\"|;
" /opt/docspell/docspell-joex/docspell-joex.conf

systemctl enable -q --now docspell-restserver
systemctl enable -q --now docspell-joex

motd_ssh
customize

msg_info "Cleaning up"
$STD apt-get autoremove
$STD apt-get autoclean
msg_ok "Cleaned"