#!/bin/bash

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

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

#=================================================
# LOAD SETTINGS
#=================================================

synapse_db_name="matrix_$synapse_instance"
bot_synapse_db_user="@$botname:$server_name"

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

# 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 $app service integration..." --weight=3
    yunohost service remove "$app"
fi

# Remove the dedicated systemd config
ynh_remove_systemd_config

# Remove the app-specific logrotate config
ynh_remove_logrotate

#=================================================
# REMOVE THE POSTGRESQL DATABASE
#=================================================
ynh_script_progression --message="Removing the PostgreSQL configuration..." --weight=4

# Remove a database if it exists, along with the associated user
ynh_psql_execute_as_root --database="$synapse_db_name" --sql="DROP OWNED BY \"$app\";"
ynh_psql_execute_as_root --database="$synapse_db_name" --sql="DROP USER \"$app\";"
ynh_psql_execute_as_root --database="$synapse_db_name" --sql="DROP OWNED BY \"$bot_synapse_db_user\";"
ynh_psql_execute_as_root --database="$synapse_db_name" --sql="DROP USER \"$bot_synapse_db_user\";"
ynh_psql_execute_as_root --database="$synapse_db_name" --sql="DROP OWNED BY \"$botname\";"
ynh_psql_execute_as_root --database="$synapse_db_name" --sql="DROP USER \"$botname\";"
ynh_psql_execute_as_root --database="$synapse_db_name" --sql="DROP OWNED BY \"$signald_user\";"
ynh_psql_execute_as_root --database="$synapse_db_name" --sql="DROP USER \"$signald_user\";"

#=================================================
# SPECIFIC REMOVE
#=================================================
# REMOVE VARIOUS FILES
#=================================================
ynh_script_progression --message="Removing various files..." --weight=6

ynh_secure_remove --file="$signald_data"
ynh_secure_remove --file="$signald_exe"

# Remove a directory securely
ynh_secure_remove --file="/etc/matrix-$synapse_instance/app-service/$app.yaml"
/opt/yunohost/matrix-$synapse_instance/update_synapse_for_appservice.sh || ynh_die --message="Synapse can't restart with the appservice configuration"

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

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

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