#!/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 /usr/share/yunohost/helpers

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

ynh_clean_setup () {
	ynh_clean_check_starting
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading installation settings..." --weight=1

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

#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================
ynh_script_progression --message="Validating restoration parameters..." --weight=1

test ! -d $final_path \
	|| ynh_die --message="There is already a directory: $final_path "

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

ynh_restore_file --origin_path="$final_path"

chmod 750 "$final_path"
chmod -R o-rwx "$final_path"
chown -R $app:$app "$final_path"

#=================================================
# SPECIFIC RESTORATION
#=================================================
# REINSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Reinstalling dependencies..." --weight=1

# Define and install dependencies
ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
ynh_exec_warn_less ynh_install_mongo

#=================================================
# RESTORE THE NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Restoring the NGINX web server configuration..."

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

#=================================================
# RESTORE THE MONGODB DATABASE
#=================================================
ynh_script_progression --message="Restoring the MongoDB database..." --weight=3

db_pwd=$(ynh_app_setting_get --app=$app --key=db_pwd)
ynh_mongo_setup_db --db_user=$db_user --db_name=$db_name --db_pwd=$db_pwd
ynh_mongo_restore_db --database="$db_name" < ./dump.bson

#=================================================
# CONFIGURE MONGOD
#=================================================
ynh_script_progression --message="Configuring mongod..." --weight=3

ynh_replace_string --match_string="#  engine:" --replace_string="  engine: wiredTiger" --target_file=$MONGO_CE_CONFIG
ynh_replace_string --match_string="#replication:" --replace_string="replication:\n  replSetName: rs01" --target_file=$MONGO_CE_CONFIG

ynh_exec_warn_less systemctl enable $MONGO_CE_SERVICENAME --quiet
ynh_systemd_action --service_name=$MONGO_CE_SERVICENAME --action=restart --log_path=/var/log/mongodb/$MONGO_CE_SERVICENAME.log --line_match="Waiting for connections"

if ynh_exec_warn_less ynh_mongo_exec --command="printjson(rs.status())" | grep -q "no replset config has been received"; then
	ynh_exec_warn_less ynh_mongo_exec --command="printjson(rs.initiate())" --eval
fi

#=================================================
# 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

#=================================================
# RESTORE THE LOGROTATE CONFIGURATION
#=================================================
ynh_script_progression --message="Restoring the logrotate configuration..." --weight=1

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

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..." --weight=1

yunohost service add $app --description="Team collaboration communication platform"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=5

ynh_systemd_action --service_name=$app --action="start" --log_path="systemd" --line_match="SERVER RUNNING"

#=================================================
# GENERIC FINALIZATION
#=================================================
# RELOAD NGINX AND PHP-FPM
#=================================================
ynh_script_progression --message="Reloading NGINX web server..." --weight=1

ynh_systemd_action --service_name=nginx --action=reload

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

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