#!/bin/bash

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

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

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
#ynh_script_progression --message="Ensuring downward compatibility..." --weight=1

#
# N.B. : the following setting migration snippets are provided as *EXAMPLES*
# of what you may want to do in some cases (e.g. a setting was not defined on
# some legacy installs and you therefore want to initiaze stuff during upgrade)
#

# If db_name doesn't exist, create it
#if [ -z "$db_name" ]; then
#    db_name=$(ynh_sanitize_dbid --db_name=$app)
#    ynh_app_setting_set --app=$app --key=db_name --value=$db_name
#fi

# If install_dir doesn't exist, create it
#if [ -z "$install_dir" ]; then
#    install_dir=/var/www/$app
#    ynh_app_setting_set --app=$app --key=install_dir --value=$install_dir
#fi

#=================================================
# STOP SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Stopping a systemd service..." --weight=1

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

#=================================================
# "REBUILD" THE APP (DEPLOY NEW SOURCES, RERUN NPM BUILD...)
#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
    ynh_script_progression --message="Upgrading source files..." --weight=1

    # Download, check integrity, uncompress and patch the source from app.src
    ynh_setup_source --source_id=ttyd --dest_dir="$install_dir"
    chmod +x "$install_dir/ttyd"
    ynh_setup_source --source_id=httpsh --dest_dir="$install_dir/httpsh"
fi

chown -R "$app:$app" "$install_dir"
chmod 750 "$install_dir"

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

ynh_add_nginx_config

ynh_add_systemd_config

yunohost service add "$app" --description="httpsh on ttyd web terminal" --log="/var/log/$app/$app.log"

ynh_use_logrotate --non-append

ynh_add_fail2ban_config --logpath="/var/log/$app/$app.log" --failregex="^error: maximum authentication attempts exceeded for <F-USER>.*</F-USER> from <HOST>$"

#=================================================
# RECONFIGURE THE APP (UPDATE CONF, APPLY MIGRATIONS...)
#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Updating a configuration file..." --weight=1

# TODO: copy files where needed
mv "$install_dir/httpsh/usr/local/bin/ttyd-login" "$install_dir/httpsh"

ynh_add_config --template="../conf/ttyd_httpsh.conf" --destination="$install_dir/ttyd_httpsh.conf"

chown -R "$app:$app" "/var/log/$app"
chmod 750 "/var/log/$app"

#=================================================
# 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"

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

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