#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..."

builddir="$(mktemp -d)"
ynh_setup_source --dest_dir="$builddir" --source_id=prosody

snikketdir="$(mktemp -d)"
ynh_setup_source --dest_dir="$snikketdir"

portaldir="$(mktemp -d)"
ynh_setup_source --dest_dir="$portaldir" --source_id=snikket-portal

#=================================================
# SPECIFIC SETUP
#=================================================
# BUILD PROSODY
#=================================================
ynh_script_progression --message="Building Prosody..."

update-alternatives --set lua-interpreter /usr/bin/lua${luaversion}

pushd "$builddir"
	./configure --sysconfdir="/etc/$app" --datadir="/var/lib/$app"
	make
	make install
  # Install Prosody-Migrator
	pushd "tools/migration"
	  make install
	popd
popd

#=================================================
# ADD A CONFIGURATION
#=================================================
ynh_script_progression --message="Adding Prosody configuration..."

config_path=/etc/$app
ynh_app_setting_set --app=$app --key=config_path --value="$config_path"
mkdir -p "$config_path"
mkdir -p "$config_path"/{certs,conf.avail,conf.d}
mkdir -p "$config_path"/firewall

prosody_config="$snikketdir/opt/ansible/files/prosody.cfg.lua"
ynh_replace_string --match_string="/snikket/prosody" --replace_string="/var/lib/snikket" --target_file="$prosody_config"
ynh_replace_string --match_string="/var/run/prosody/prosody.pid" --replace_string="/var/run/snikket/prosody.pid" --target_file="$prosody_config"
ynh_replace_string --match_string="/etc/prosody/" --replace_string="/etc/snikket/" --target_file="$prosody_config"

ynh_add_config --template="$prosody_config" --destination="$config_path/prosody.cfg.lua"
ynh_add_config --template="$snikketdir/opt/ansible/files/restricted_users.pfw" --destination="$config_path/restricted_users.pfw"
# Add Prosody-Migrator config
ynh_add_config --template="$snikketdir/opt/ansible/files/migrator.cfg.lua" --destination="$config_path/migrator.cfg.lua"

chown root:root "$config_path"
chmod 755 "$config_path"

chown root:$app "$config_path/conf.d"
chmod 754 "$config_path/conf.d"

chown root:$app "$config_path/conf.avail"
chmod 754 "$config_path/conf.avail"

chown root:$app "$config_path/certs"
chmod 750 "$config_path/certs"

#=================================================
# SETUP MODULES
#=================================================
ynh_script_progression --message="Intalling modules..."
mkdir -p "/etc/$app/modules"
find "$snikketdir/etc/prosody/modules" -mindepth 1 -maxdepth 1 -type l | while IFS= read -r module
do
  echo "Found module $module"
  module=$(basename $module)
  if [[ -d "$snikketdir/usr/local/lib/prosody-modules/$module" ]]; then
    echo "Found it in Prosody modules"
    cp -r "$snikketdir/usr/local/lib/prosody-modules/$module" "/etc/$app/modules/$module"
  fi
  if [[ -d "$snikketdir/usr/local/lib/snikket-modules/$module" ]]; then
    echo "Found it in Snikket modules"
    cp -r "$snikketdir/usr/local/lib/snikket-modules/$module" "/etc/$app/modules/$module"
  fi
done

#=================================================
# SETUP SNIKKET ADMIN PORTAL
#=================================================
ynh_script_progression --message="Installing admin portal..."
cp -r "${portaldir}/opt/snikket-web-portal/snikket_web/" "$install_dir/"
pushd "$install_dir/snikket_web"
  python -m venv .venv
  cp -r "$portaldir"/usr/lib/python3/dist-packages/* .venv/lib/python*/site-packages/
  cp -r "$portaldir"/usr/local/lib/python3.11/dist-packages/* .venv/lib/python*/site-packages/
  .venv/bin/pip3 install --force babel # TODO: This is not ideal
popd

#=================================================
# SETUP SNIKKET CONFIG
#=================================================
ynh_script_progression --message="Updating Snikket configuration..."

# TODO: The TURN server should be set up as well
cat >/etc/snikket/environment <<EOF
SNIKKET_DOMAIN=${domain}
SNIKKET_ADMIN_EMAIL=${admin}
SNIKKET_TWEAK_TURNSERVER=0
ENV_SNIKKET_TWEAK_INTERNAL_HTTP_PORT=${port}
ENV_SNIKKET_PROXY65_PORT=${port_file}

SNIKKET_WEB_DOMAIN=${domain}
SNIKKET_WEB_PROSODY_ENDPOINT=http://localhost:$port_http
SNIKKET_WEB_SECRET_KEY=TODO
EOF

mkdir -p "/usr/local/share/snikket"
cp "$snikketdir/usr/local/share/snikket/logo.png" "/usr/local/share/snikket/logo.png"
install "$snikketdir/usr/local/bin/create-invite" "/usr/local/bin/snikket-create-invite" # TODO: Only install for the Snikket user
install "$snikketdir/usr/local/bin/smtp-url-to-msmtp" "/usr/local/bin/snikket-smtp-url-to-msmtp"
install "$snikketdir/usr/local/bin/snikket-turn-addresses" "/usr/local/bin/snikket-turn-addresses"

#=================================================
# CLEAN TEMPORARY FILES
#=================================================
ynh_script_progression --message="Cleaning temporary files..."
ynh_secure_remove --file="$builddir"
ynh_secure_remove --file="$snikketdir"
ynh_secure_remove --file="$portaldir"

#=================================================
# SETUP CERTIFICATES
#=================================================
ynh_script_progression --message="Installing certificates..."

# Install certificates for Prosody to use (taken from the web certs)
install_certificates

#=================================================
# SYSTEM CONFIGURATIONS
#=================================================
ynh_script_progression --message="Adding system configurations..."

# Create a dedicated systemd config
ynh_add_systemd_config
yunohost service add "$app" --description="Chat that is simple, secure, and private" --log="/var/log/$app/$app.log"
ynh_add_systemd_config --service="$app-web" --template="web.service"
yunohost service add "$app-web" --description="Chat that is simple, secure, and private" --log="/var/log/$app-web/$app-web.log"
# Create a dedicated NGINX config using the conf/nginx.conf template
add_extra_nginx_config share
add_extra_nginx_config groups
ynh_add_nginx_config

#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Configuring log rotation..."

mkdir -p "/var/log/$app"
chmod 750 "/var/log/$app"
chmod -R o-rwx "/var/log/$app"
chown -R $app:adm "/var/log/$app"
chown -R $app:$app "/var/lib/$app"

# Use logrotate to manage application logfile(s)
ynh_use_logrotate

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..."

# Start a systemd service
ynh_systemd_action --service_name="$app" --action="start" --log_path="/var/log/$app/$app.log"
ynh_systemd_action --service_name="$app-web" --action="start" --log_path="/var/log/$app/$app-web.log"

#=================================================
# END OF SCRIPT
#=================================================

ynh_script_progression --message="Installation of $app completed"