#!/bin/bash

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

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

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

ynh_abort_if_errors

#=================================================
# RETRIEVE ARGUMENTS FROM THE MANIFEST
#=================================================

domain=$YNH_APP_ARG_DOMAIN
path_url=$YNH_APP_ARG_PATH
is_public=$YNH_APP_ARG_IS_PUBLIC
admin=$YNH_APP_ARG_ADMIN
password=$YNH_APP_ARG_PASSWORD
phpversion=$YNH_PHP_VERSION
timezone="$(cat /etc/timezone)"
app=$YNH_APP_INSTANCE_NAME

#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#=================================================
ynh_script_progression --message="Validating installation parameters..." --weight=1

final_path=/var/www/$app
test ! -e "$final_path" || ynh_die "This path already contains a folder"

# Register (book) web path
ynh_webpath_register --app=$app --domain=$domain --path_url=$path_url

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================
ynh_script_progression --message="Storing installation settings..."

ynh_app_setting_set --app=$app --key=domain --value=$domain
ynh_app_setting_set --app=$app --key=path --value=$path_url
ynh_app_setting_set --app=$app --key=admin --value=$admin
ynh_app_setting_set --app=$app --key=phpversion --value=$phpversion

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..."

ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies

#=================================================
# CREATE A POSTGRESQL DATABASE
#=================================================
ynh_script_progression --message="Creating a PostgreSQL database..." --weight=2

db_user=$(ynh_sanitize_dbid --db_name=$app)
ynh_app_setting_set --app=$app --key=db_user --value=$db_user

ynh_psql_test_if_first_run 										# Make sure PSQL is installed
ynh_psql_setup_db --db_user=$db_user --db_name="${db_user}_tmp"   # This helper will create db_user, generate db_user_pwd. But it will also create a database Noalyss does not need, hence the "tmp" flag    
ynh_psql_drop_db "${db_user}_tmp"									# Remove the useless database just created with the "tmp" flag.

# Give permission to db_user to create databases, as with version 9025 at least, standard Noalyss operation (can be tweaked with shared server install process - with potentially less features?) will require to create several databases: one admin database (account_repository), one database per accounting template (two are populated at install by default: mod1, mod2, etc.), one per accounting folder that will be created while using the app, etc.
if [ -n "$db_user" ]; then 
	sql="ALTER USER $db_user CREATEDB"
	ynh_psql_execute_as_root --sql="$sql"
fi

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Configuring system user..." --weight=1

# Create a system user
ynh_system_user_create --username=$app --home_dir="$final_path"

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..."

ynh_app_setting_set --app=$app --key=final_path --value=$final_path
# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source --dest_dir="$final_path"

chmod 750 "$final_path"
chmod -R o-rwx "$final_path"
chown -R $app:www-data "$final_path"

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring NGINX web server..."

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring PHP-FPM..." --weight=3

# Create a dedicated PHP-FPM config
ynh_add_fpm_config --usage=low --footprint=low

# =================================================
# MODIFY A CONFIG FILE
# =================================================
ynh_script_progression --message="Modifying $app config file..."

ynh_add_config --template="../conf/noalyss.conf" --destination="$final_path/include/config.inc.php"

chmod 650 "$final_path/include/config.inc.php"
chown $app: "$final_path/include/config.inc.php"

#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Configuring log rotation..."

# Use logrotate to manage application logfile(s)
ynh_use_logrotate

#=================================================
# SETUP SSOWAT
#=================================================
ynh_script_progression --message="Configuring permissions..."

# Make app public if necessary or protect it
if [ $is_public -eq 1 ]
then
	ynh_permission_update --permission="main" --add="visitors"
fi

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..." --weight=2

ynh_systemd_action --service_name=nginx --action=reload

#=================================================
# SEND A README FOR THE ADMIN
#=================================================
ynh_script_progression --message="Sending a readme to the admin email address. Please check it to complete the installation process."

message="Noalyss installation is *almost* complete :)

To conclude, please open the admin configuration page of your ${app^} domain: https://$domain$path_url/install.php
You will have to:
1. Select the language you want and click on \"Continuer\" (FR) / \"Continue\" (EN).
2. Scroll the page down and click on the button \"Commencer la mise à jour ou l'installation ?\" (FR) / \"Start the update or the installation ?\" (EN)
3. Scroll to the bottom of the page and click on the button \"Essai effacement install.php et se connecter à NOALYSS\" (FR) / \"Try erasing install.php and log into NOALYSS\" (EN)

Once done, you will be able to log into Noalyss with your credentials:
-------------------------------------------
${app^}'s domain: https://$domain$path_url
${app^}'s admin user: $admin
${app^}'s admin password: $password
-------------------------------------------
Link to Noalyss' user documentation: https://www.noalyss.eu/?page_id=1031 


Please find also for reference the credential for the dedicated PostgreSQL database user:
-------------------------------------------
Database's dedicated user: $app
Database's dedicated user's password: $db_pwd
-------------------------------------------

If you are facing any problem or want to improve this app, please open a new issue here: https://github.com/YunoHost-Apps/noalysse_ynh/issues
Or post a message in the forum: https://forum.yunohost.org/t/noalyss-beligum-and-french-accounting/7356"

ynh_send_readme_to_admin "$message"

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

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