#!/bin/bash

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

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

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# IMPORT SOME CONFIG
#=================================================

libretranslate_enable=$(ynh_app_setting_get -a $app -k libretranslate_enable)
libretranslate_instance=$(ynh_app_setting_get -a $app -k libretranslate_instance)
libretranslate_api=$(ynh_app_setting_get -a $app -k libretranslate_api)
google_enable=$(ynh_app_setting_get -a $app -k google_enable)
deepl_enable=$(ynh_app_setting_get -a $app -k deepl_enable)
iciba_enable=$(ynh_app_setting_get -a $app -k iciba_enable)
reverso_enable=$(ynh_app_setting_get -a $app -k reverso_enable)
port=$(ynh_app_setting_get -a $app -k port)

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# 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

	ynh_setup_source --dest_dir="$install_dir/simplytranslate"
fi

chown -R $app:www-data "$install_dir"

#=================================================
# CONFIGURATION FOR SUBPATH
#=================================================

if [ "$path" = "/" ]; then
	st_path=""
else
	st_path=$path
fi

ynh_replace_string -m "\"/?engine" -r "\"$st_path/?engine" -f "$install_dir/simplytranslate/templates/index.html"
ynh_replace_string -m "/prefs" -r "$st_path/prefs" -f "$install_dir/simplytranslate/templates/index.html"
ynh_replace_string -m "\"/\"" -r "\"$st_path/\"" -f "$install_dir/simplytranslate/templates/prefs.html"
ynh_replace_string -m "/prefs" -r "$st_path/prefs" -f "$install_dir/simplytranslate/templates/prefs.html"
ynh_replace_string -m "/api" -r "$st_path/api" -f "$install_dir/simplytranslate/main.py"
ynh_replace_string -m "/prefs" -r "$st_path/prefs" -f "$install_dir/simplytranslate/main.py"
ynh_replace_string -m "/switchlanguages" -r "$st_path/switchlanguages" -f "$install_dir/simplytranslate/main.py"
ynh_replace_string -m "f\"/?" -r "f\"$st_path/?" -f "$install_dir/simplytranslate/main.py"
ynh_replace_string -m "\"/\"" -r "\"$st_path/\"" -f "$install_dir/simplytranslate/main.py"

#=================================================
# 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 $app --description="Web interface for SimplyTranslate" --log="/var/log/$app/$app.log"

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

ynh_add_config --template="config.conf.template" --destination="$install_dir/simplytranslate/config.conf"

chmod 400 "$install_dir/simplytranslate/config.conf"
chown $app:$app "$install_dir/simplytranslate/config.conf"

#=================================================
# REBUILDING THE APP
#=================================================
ynh_script_progression --message="Rebuilding the app..." --weight=1

ynh_secure_remove "$install_dir/venv"
mkdir "$install_dir/venv"
python3 -m venv "$install_dir/venv"
"$install_dir/venv/bin/python3" -m pip install -r "$install_dir/simplytranslate/requirements.txt"

chown -R $app:$app "$install_dir/venv"

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