#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# 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_install_ruby__2
source ../settings/scripts/ynh_redis
source /usr/share/yunohost/helpers

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

ynh_clean_setup () {
    #### Remove this function if there's nothing to clean before calling the remove script.
    true
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading settings..." --weight=2

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get --app=$app --key=domain)
path_url=$(ynh_app_setting_get --app=$app --key=path)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)
db_user=$db_name
db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)

redis_db=$(ynh_redis_get_free_db)
ynh_app_setting_set --app=$app --key=redis_db --value="$redis_db"

config_file="$final_path/live/.env"

#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================
ynh_script_progression --message="Validating restoration parameters..." --weight=2

ynh_webpath_available --domain=$domain --path_url=$path_url \
    || ynh_die --message="Path not available: ${domain}${path_url}"
test ! -d $final_path \
    || ynh_die --message="There is already a directory: $final_path "

#=================================================
# STANDARD RESTORATION STEPS
#=================================================
# RESTORE THE NGINX CONFIGURATION
#=================================================

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

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

ynh_restore_file --origin_path="$final_path"

#=================================================
# RECREATE THE DEDICATED USER
#=================================================
ynh_script_progression --message="Recreating the dedicated system user..." --weight=1

# Create the dedicated user (if not existing)
ynh_system_user_create --username=$app --home_dir=$final_path

#=================================================
# RESTORE USER RIGHTS
#=================================================

# Restore permissions on app files
chown -R root: $final_path
chown $app: $final_path
mkdir -p "$final_path/live/log"
chown -R $app: "$final_path/live/log/"
mkdir -p "$final_path/live/tmp"
chown -R $app: "$final_path/live/tmp/"
mkdir -p "/var/log/$app"
chown -R $app: "/var/log/$app"

#=================================================
# SPECIFIC RESTORATION
#=================================================
# REINSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Reinstalling dependencies..." --weight=17

# Define and install dependencies
ynh_install_app_dependencies $pkg_dependencies
ynh_install_ruby --ruby_version=$RUBY_VERSION

#=================================================
# INSTALLING RUBY
#=================================================
ynh_script_progression --message="Installing Ruby...( This may take a while... )" --weight=100 #331

pushd "$final_path/live"
	ynh_use_ruby
	ynh_gem update --system --no-document
	ynh_gem install bundler --no-document
popd

#=================================================
# RESTORE THE MYSQL DATABASE
#=================================================
ynh_script_progression --message="Restoring the MySQL database..." --weight=2

ynh_mysql_setup_db --db_user=$db_user --db_name=$db_name --db_pwd=$db_pwd
ynh_mysql_connect_as --user=$db_user --password=$db_pwd --database=$db_name < ./db.sql

#=================================================
# SETUP REDIS DATABASE
#=================================================
ynh_script_progression --message="Setup Redis database..." --weight=2

ynh_replace_string --match_string=".*REDIS_URL.*$" --replace_string="REDIS_URL=redis://localhost:6379/$redis_db" --target_file="$config_file"

#=================================================
# RESTORE SYSTEMD
#=================================================
ynh_script_progression --message="Restoring the systemd configuration..." --weight=1

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

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrate $app service in Yunohost..."  --weight=1

yunohost service add $app --description "Standard Notes - Syncing Server" --log "/var/log/$app/$app.log"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=1

ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"

#=================================================
# RESTORE THE LOGROTATE CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring log rotation..."  --weight=1

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

#=================================================
# RESTORE FAIL2BAN CONFIGURATION
#=================================================
ynh_script_progression --message="Restoring the fail2ban configuration..." --weight=1

touch "/var/log/$app/$app.log"
ynh_restore_file "/etc/fail2ban/jail.d/$app.conf"
ynh_restore_file "/etc/fail2ban/filter.d/$app.conf"
ynh_systemd_action --action=restart --service_name=fail2ban

#=================================================
# GENERIC FINALIZATION
#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading nginx web server..." --weight=2

ynh_systemd_action --service_name=nginx --action=reload

#=================================================
# WAITING FOR SERVICE
#=================================================
ynh_script_progression --message="Waiting for service..."  --weight=1

is_service_ready

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

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