#!/bin/bash

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

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

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

app=$YNH_APP_INSTANCE_NAME

final_path=$(ynh_app_setting_get --app=$app --key=final_path)
domain=$(ynh_app_setting_get --app=$app --key=domain)
path_url=$(ynh_app_setting_get --app=$app --key=path_url)
port=$(ynh_app_setting_get --app=$app --key=port)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)
language_key=$(ynh_app_setting_get --app=$app --key=language_key)
secret_key=$(ynh_app_setting_get --app=$app --key=secret_key)
utils_secret=$(ynh_app_setting_get --app=$app --key=utils_secret)
dex_app=$(ynh_app_setting_get --app=$app --key=dex_app)
dex_domain=$(ynh_app_setting_get --app=$app --key=dex_domain)
dex_path=$(ynh_app_setting_get --app=$app --key=dex_path)
oidc_secret=$(ynh_app_setting_get --app=$app --key=oidc_secret)
oidc_name=$(ynh_app_setting_get --app=$app --key=oidc_name)
oidc_callback=$(ynh_app_setting_get --app=$app --key=oidc_callback)
dex_auth_uri=$(ynh_app_setting_get --app=$app --key=dex_auth_uri)
dex_token_uri=$(ynh_app_setting_get --app=$app --key=dex_token_uri)
dex_user_uri=$(ynh_app_setting_get --app=$app --key=dex_user_uri)

#=================================================
# 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 >/dev/null
then
	ynh_script_progression --message="Removing $app service integration..." --weight=1
	yunohost service remove $app
fi

#=================================================
# STOP AND REMOVE SERVICE
#=================================================
ynh_script_progression --message="Stopping and removing the systemd service..." --weight=1

# Remove the dedicated systemd config
ynh_remove_systemd_config

#=================================================
# REMOVE LOGROTATE CONFIGURATION
#=================================================
ynh_script_progression --message="Removing logrotate configuration..." --weight=1

# Remove the app-specific logrotate config
ynh_remove_logrotate

#=================================================
# REMOVE THE POSTGRESQL DATABASE
#=================================================
ynh_script_progression --message="Removing the PostgreSQL database..."

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

#=================================================
# REMOVE DEPENDENCIES
#=================================================
ynh_script_progression --message="Removing dependencies..." --weight=1

# Remove metapackage and its dependencies
ynh_remove_app_dependencies
ynh_remove_nodejs

#=================================================
# REMOVE APP MAIN DIR
#=================================================
ynh_script_progression --message="Removing app main directory..." --weight=1

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

#=================================================
# REMOVE DEX APP
#=================================================
ynh_script_progression --message="Removing Dex app used for Outline auth..." --weight=1

yunohost app remove $dex_app

#=================================================
# REMOVE LOCAL STORAGE
#=================================================
ynh_script_progression --message="Removing Outline local storage..." --weight=1
ynh_secure_remove --file="/var/lib/outline"

#=================================================
# REMOVE NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Removing NGINX web server configuration..." --weight=1

# Remove the dedicated NGINX config
ynh_remove_nginx_config

#=================================================
# SPECIFIC REMOVE
#=================================================
# REMOVE VARIOUS FILES
#=================================================
ynh_script_progression --message="Removing various files..." --weight=1

# Remove a cron file
ynh_secure_remove --file="/etc/cron.d/$app"

#=================================================
# GENERIC FINALIZATION
#=================================================
# REMOVE DEDICATED USER
#=================================================
ynh_script_progression --message="Removing the dedicated system user..." --weight=1

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

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

ynh_script_progression --message="If you don't need it anymore, don't forget to remove the MinIO app !"
ynh_script_progression --message="Removal of $app completed" --last