#!/bin/bash

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

# Keep this path for calling _common.sh inside the execution's context of backup and restore scripts
source ../settings/scripts/_common.sh
source ../settings/scripts/ynh_ruby
source ../settings/scripts/ynh_add_swap
source /usr/share/yunohost/helpers

#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Reinstalling Ruby..." --weight=4

ynh_exec_warn_less ynh_install_ruby --ruby_version="$RUBY_VERSION"

#=================================================
# ADD SWAP IF NEEDED
#=================================================
ynh_script_progression --message="Adding swap if needed..."

total_memory=$(ynh_get_ram --total)
swap_needed=0

if (( MEMORY_NEEDED > total_memory )); then
    # Need a minimum of 2.5Go of memory
    swap_needed=$((MEMORY_NEEDED - total_memory))
fi

ynh_script_progression --message="Adding $swap_needed Mo to swap..."
ynh_add_swap --size=$swap_needed

#=================================================
# RESTORE THE APP MAIN DIR
#=================================================
ynh_script_progression --message="Restoring the app main directory..." --weight=1

ynh_restore_file --origin_path="$install_dir"

mkdir -p "$install_dir/tmp/pids"

chmod -R o-rwx "$install_dir"
chown -R "$app:$app" "$install_dir"

#=================================================
# RESTORE THE POSTGRESQL DATABASE
#=================================================
ynh_script_progression --message="Restoring the PostgreSQL database..." --weight=1

ynh_psql_connect_as --user="$db_user" --password="$db_pwd" --database="$db_name" < ./db.sql

#=================================================
# INSTALLING RUBY AND BUNDLER
#=================================================
ynh_script_progression --message="Rebuilding $app..."

pushd "$install_dir"
    ynh_use_ruby
    ynh_gem install bundler:1.17.3 --no-document
    ynh_exec_as "$app" echo "gem: --no-ri --no-rdoc" >> "$install_dir/.gemrc"
popd

#=================================================
# RESTORE SYSTEM CONFIGURATIONS
#=================================================
ynh_script_progression --message="Restoring system configurations related to $app..." --weight=1

ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"

ynh_restore_file --origin_path="/etc/systemd/system/$app-web.service"
systemctl enable "$app-web" --quiet
yunohost service add "$app-web" --description="$app web service"

ynh_restore_file --origin_path="/etc/systemd/system/$app-sidekiq.service"
systemctl enable "$app-sidekiq" --quiet
yunohost service add "$app-sidekiq" --description="$app sidekiq service"

ynh_restore_file --origin_path="/etc/logrotate.d/$app"

#=================================================
# RELOAD NGINX AND PHP-FPM OR THE APP SERVICE
#=================================================
ynh_script_progression --message="Reloading NGINX web server and $app's service..." --weight=1

ynh_systemd_action --service_name="${app}-web" --action="start" --log_path=systemd --line_match="listening on"
ynh_systemd_action --service_name="${app}-sidekiq" --action="start" --log_path=systemd --line_match="Booted Rails"

ynh_systemd_action --service_name=nginx --action=reload

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

ynh_script_progression --message="Restoration completed for $app" --last