#!/bin/bash

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

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

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

ynh_clean_setup () {
	### Remove this function if there's nothing to clean before calling the remove script.
	true
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

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

domain=$YNH_APP_ARG_DOMAIN
path_url="/"
etherpad_instance=$YNH_APP_ARG_ETHERPAD_INSTANCE
is_public=$YNH_APP_ARG_IS_PUBLIC
creation_open=$YNH_APP_ARG_CREATION_OPEN

app=$YNH_APP_INSTANCE_NAME

#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#=================================================

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

# Normalize the url path syntax
path_url=$(ynh_normalize_url_path $path_url)

# Check web path availability
ynh_webpath_available $domain $path_url
# Register (book) web path
ynh_webpath_register $app $domain $path_url

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================

ynh_app_setting_set $app domain $domain
ynh_app_setting_set $app path $path_url
ynh_app_setting_set $app etherpad_instance $etherpad_instance
ynh_app_setting_set $app is_public $is_public
ynh_app_setting_set $app creation_open $creation_open

#=================================================
# STANDARD MODIFICATIONS
#=================================================


#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================

ynh_app_setting_set $app final_path $final_path
# Note: We use git instead of ynh_setup_source, cause this repo use submodules
git clone https://github.com/zamentur/libreto.git "$final_path" --quiet
pushd "$final_path"
git checkout $COMMIT --quiet
git submodule update --init --recursive --quiet
popd

#=================================================
# NGINX CONFIGURATION
#=================================================

# Create a dedicated nginx config
ynh_add_nginx_config

#=================================================
# CREATE DEDICATED USER
#=================================================

# Create a system user
ynh_system_user_create $app

#=================================================
# PHP-FPM CONFIGURATION
#=================================================

# Create a dedicated php-fpm config
ynh_add_fpm_config
ynh_replace_string "__INSTANCE__" "$etherpad_instance" "/etc/nginx/conf.d/$domain.d/$app.conf"


#=================================================
# SPECIFIC SETUP
#=================================================
cp "../conf/config.dist.php" "$final_path/config.php"
#=================================================

#=================================================
# MODIFY A CONFIG FILE
#=================================================
provider="${domain%%.*}"
if [ "$etherpad_instance" != "https://annuel2.framapad.org" ]; then
    ynh_replace_string "// CUSTOM_PROVIDER" "" "$final_path/config.php"
    ynh_replace_string "__PROVIDER__" "$provider" "$final_path/config.php"
    ynh_replace_string "__INSTANCE__" "$etherpad_instance" "$final_path/config.php"
else
    ynh_replace_string "__PROVIDER__" "framapad" "$final_path/config.php"
fi

#=================================================
# STORE THE CONFIG FILE CHECKSUM
#=================================================

# Calculate and store the config file checksum into the app settings
ynh_store_file_checksum "$final_path/config.php"

#=================================================
# GENERIC FINALIZATION
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================

# Set permissions to app files
chown -R root: $final_path

#=================================================
# SETUP SSOWAT
#=================================================

# Make app public if necessary
if [ $is_public -eq 1 ]
then
    if [ $creation_open -eq 1 ]
    then
        ynh_app_setting_set $app skipped_uris "/"
    else
        ynh_app_setting_set $app skipped_regex "/[^/]+"
    fi
fi

#=================================================
# RELOAD NGINX
#=================================================

systemctl reload nginx