#!/bin/bash

#=================================================
# GENERIC STARTING
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

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

#=================================================
# MANAGE FAILURE OF THE SCRIPT
#=================================================

# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

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

domain=$YNH_APP_ARG_DOMAIN
path_url=$YNH_APP_ARG_PATH
admin_tiki=$YNH_APP_ARG_ADMIN
is_public=$YNH_APP_ARG_IS_PUBLIC

app=$YNH_APP_INSTANCE_NAME

#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THIS ARGS
#=================================================
ynh_script_progression --message="Validating installation parameters..." --weight=2

final_path=/var/www/$app
test ! -e "$final_path" || ynh_die --message="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..." --weight=2

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_tiki

ynh_app_setting_set --app=$app --key=overwrite_nginx --value=1
ynh_app_setting_set --app=$app --key=overwrite_phpfpm --value=1

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --weight=4

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"

mkdir -p $final_path/sessions
mkdir -p $final_path/conf.d
mkdir -p $final_path/storage/fgal

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Configuring system user..." --weight=3

# Create a dedicated system user
ynh_system_user_create --username=$app

#=================================================
# PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring PHP-FPM..." --weight=2

# If the app is private, set the usage to low, otherwise to high.
if [ $is_public -eq 0 ]
then
    usage=low
else
    usage=high
fi
# Create a dedicated PHP-FPM config
ynh_add_fpm_config --usage=$usage --footprint=medium --package="$extra_php_dependencies"
phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)

#=================================================
# SECURING FILES AND DIRECTORIES
#=================================================

# Set permissions to app files
# Files have to be own by the user of wordpress. To allow upgrade from the app.
chown -R $app: $final_path

#=================================================
# CREATE A MYSQL DATABASE
#=================================================
ynh_script_progression --message="Creating a MySQL database..."

db_name=$(ynh_sanitize_dbid --db_name=$app)
ynh_app_setting_set --app=$app --key=db_name --value=$db_name
ynh_mysql_setup_db --db_user=$db_name --db_name=$db_name
ynh_mysql_execute_as_root --sql="ALTER DATABASE $db_name CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;"

# Workaround bug
ynh_replace_string --match_string="new GetStringsCommand," --replace_string="new InstallCommand," --target_file=$final_path/lib/core/Tiki/Command/ConsoleApplicationBuilder.php

# Deploy database
sudo -u $app php7.4 $final_path/console.php database:configure $db_name $db_pwd $db_name
sudo -u $app php7.4 $final_path/console.php database:install

# Undo Workaround bug
ynh_replace_string --match_string="new InstallCommand," --replace_string="new GetStringsCommand," --target_file=$final_path/lib/core/Tiki/Command/ConsoleApplicationBuilder.php

ynh_mysql_execute_as_root --sql="INSERT INTO tiki_preferences (name, value) VALUES ('auth_ldap_host','localhost');" --database=$db_name
ynh_mysql_execute_as_root --sql="INSERT INTO tiki_preferences (name, value) VALUES ('auth_ldap_basedn','ou=users,dc=yunohost,dc=org');" --database=$db_name
ynh_mysql_execute_as_root --sql="INSERT INTO tiki_preferences (name, value) VALUES ('auth_ldap_scope','base');" --database=$db_name
ynh_mysql_execute_as_root --sql="INSERT INTO tiki_preferences (name, value) VALUES ('auth_method','ldap');" --database=$db_name
ynh_mysql_execute_as_root --sql="INSERT INTO tiki_preferences (name, value) VALUES ('auth_ldap_emailattr','mail');" --database=$db_name
ynh_mysql_execute_as_root --sql="UPDATE users_users	set login='$admin_tiki' where userID = '1';" --database=$app

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring NGINX web server..." --weight=3

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# GENERIC FINALISATION
#=================================================

#=================================================
# SPECIFIC SETUP
#=================================================
# CONFIGURE TIKI
#=================================================
ynh_script_progression --message="Configuring Tiki..."

sudo -u $app php7.4 $final_path/console.php installer:lock

#=================================================
# SETUP FAIL2BAN
#=================================================
ynh_script_progression --message="Configuring Fail2Ban..." --weight=7

# Create a dedicated Fail2Ban config
ynh_add_fail2ban_config --logpath="/var/log/auth.log" --failregex="Authentication (attempt for unknown user|failure for) .* from <HOST>" --max_retry=5

#=================================================
# SETUP SSOWAT
#=================================================
ynh_script_progression --message="Configuring permissions..." --weight=1

# Make app public if necessary
if [ $is_public -eq 1 ]
then
	# Everyone can access the app.
	# The "main" permission is automatically created before the install script.
	ynh_permission_update --permission="main" --add="visitors"
fi

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..." --weight=3

ynh_systemd_action --service_name=nginx --action=reload

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

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