#!/bin/bash

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

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

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

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get --app=$app --key=domain)
port=$(ynh_app_setting_get --app=$app --key=port)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)
db_user=$db_name
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
datadir=$(ynh_app_setting_get --app=$app --key=datadir)

#=================================================
# STANDARD REMOVE
#=================================================
# REMOVE SERVICE INTEGRATION IN YUNOHOST
#=================================================

# Remove the service from the list of services known by YunoHost (added from `yunohost service add`)
if ynh_exec_warn_less yunohost service status "$app-chat" >/dev/null
then
	ynh_script_progression --message="Removing $app-chat service integration..."
	yunohost service remove "$app-chat"
fi
if ynh_exec_warn_less yunohost service status "$app-clsi" >/dev/null
then
	ynh_script_progression --message="Removing $app-clsi service integration..."
	yunohost service remove "$app-clsi"
fi
if ynh_exec_warn_less yunohost service status "$app-contacts" >/dev/null
then
	ynh_script_progression --message="Removing $app-contacts service integration..."
	yunohost service remove "$app-contacts"
fi
if ynh_exec_warn_less yunohost service status "$app-docstore" >/dev/null
then
	ynh_script_progression --message="Removing $app-docstore service integration..."
	yunohost service remove "$app-docstore"
fi
if ynh_exec_warn_less yunohost service status "$app-document-updater" >/dev/null
then
	ynh_script_progression --message="Removing $app-document-updater service integration..."
	yunohost service remove "$app-document-updater"
fi
if ynh_exec_warn_less yunohost service status "$app-filestore" >/dev/null
then
	ynh_script_progression --message="Removing $app-filestore service integration..."
	yunohost service remove "$app-filestore"
fi
if ynh_exec_warn_less yunohost service status "$app-notifications" >/dev/null
then
	ynh_script_progression --message="Removing $app-notifications service integration..."
	yunohost service remove "$app-notifications"
fi
if ynh_exec_warn_less yunohost service status "$app-real-time" >/dev/null
then
	ynh_script_progression --message="Removing $app-real-time service integration..."
	yunohost service remove "$app-real-time"
fi
if ynh_exec_warn_less yunohost service status "$app-spelling" >/dev/null
then
	ynh_script_progression --message="Removing $app-spelling service integration..."
	yunohost service remove "$app-spelling"
fi
if ynh_exec_warn_less yunohost service status "$app-track-changes" >/dev/null
then
	ynh_script_progression --message="Removing $app-track-changes service integration..."
	yunohost service remove "$app-track-changes"
fi
if ynh_exec_warn_less yunohost service status "$app-web" >/dev/null
then
	ynh_script_progression --message="Removing $app-web service integration..."
	yunohost service remove "$app-web"
fi

#=================================================
# STOP AND REMOVE SERVICE
#=================================================
ynh_script_progression --message="Stopping and removing the systemd service..."

# Remove the dedicated systemd config
ynh_remove_systemd_config --service="$app-chat"
ynh_remove_systemd_config --service="$app-clsi"
ynh_remove_systemd_config --service="$app-contacts"
ynh_remove_systemd_config --service="$app-docstore"
ynh_remove_systemd_config --service="$app-document-updater"
ynh_remove_systemd_config --service="$app-filestore"
ynh_remove_systemd_config --service="$app-notifications"
ynh_remove_systemd_config --service="$app-real-time"
ynh_remove_systemd_config --service="$app-spelling"
ynh_remove_systemd_config --service="$app-track-changes"
ynh_remove_systemd_config --service="$app-web"

#=================================================
# REMOVE LOGROTATE CONFIGURATION
#=================================================
ynh_script_progression --message="Removing logrotate configuration..."

# Remove the app-specific logrotate config
ynh_remove_logrotate

#=================================================
# REMOVE THE MONGODB DATABASE
#=================================================
ynh_script_progression --message="Removing the MongoDB database..."

# Remove a database if it exists, along with the associated user
ynh_mongo_remove_db --db_user=$db_user --db_name=$db_name

#=================================================
# REMOVE APP MAIN DIR
#=================================================
ynh_script_progression --message="Removing app main directory..."

# Remove the app directory securely
ynh_secure_remove --file="$final_path"

#=================================================
# REMOVE DATA DIR
#=================================================

# Remove the data directory if --purge option is used
if [ "${YNH_APP_PURGE:-0}" -eq 1 ]
then
	ynh_script_progression --message="Removing app data directory..."
	ynh_secure_remove --file="$datadir"
fi

#=================================================
# REMOVE NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Removing NGINX web server configuration..."

# Remove the dedicated NGINX config
ynh_remove_nginx_config

#=================================================
# REMOVE DEPENDENCIES
#=================================================
ynh_script_progression --message="Removing dependencies..."

# Remove metapackage and its dependencies
ynh_remove_mongo
ynh_remove_nodejs
ynh_remove_app_dependencies

#=================================================
# SPECIFIC REMOVE
#=================================================
# REMOVE VARIOUS FILES
#=================================================
ynh_script_progression --message="Removing various files..."

# Remove the log files
ynh_secure_remove --file="/var/log/$app"

#=================================================
# GENERIC FINALIZATION
#=================================================
# REMOVE DEDICATED USER
#=================================================
ynh_script_progression --message="Removing the dedicated system user..."

# Delete a system user
ynh_system_user_delete --username=$app

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

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