#!/bin/bash

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

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

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

# 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=$YNH_APP_ARG_ADMIN
is_public=$YNH_APP_ARG_IS_PUBLIC
language=$YNH_APP_ARG_LANGUAGE
password=$YNH_APP_ARG_PASSWORD

# This is a multi-instance app, meaning it can be installed several times independently
# The id of the app as stated in the manifest is available as $YNH_APP_ID
# The instance number is available as $YNH_APP_INSTANCE_NUMBER (equals "1", "2", ...)
# The app instance name is available as $YNH_APP_INSTANCE_NAME
#    - the first time the app is installed, YNH_APP_INSTANCE_NAME = ynhexample
#    - the second time the app is installed, YNH_APP_INSTANCE_NAME = ynhexample__2
#    - ynhexample__{N} for the subsequent installations, with N=3,4, ...
# The app instance name is probably what you are interested the most, since this is
# guaranteed to be unique. This is a good unique identifier to define installation path,
# db names, ...
app=$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

# Check password strength
[[ ${#password} -gt 6 ]] || ynh_die \
"The password is too weak, it must be longer than 6 characters"
admin_password=$(openssl passwd -1 -salt xyz $password)

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

ynh_app_setting_set $app domain $domain
ynh_app_setting_set $app path $path_url
ynh_app_setting_set $app admin $admin
ynh_app_setting_set $app is_public $is_public
ynh_app_setting_set $app language $language

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


#=================================================
# CREATE A MYSQL DATABASE
#=================================================
# If your app uses a MySQL database, you can use these lines to bootstrap
# a database, an associated user and save the password in app settings

db_name=$(ynh_sanitize_dbid $app)
ynh_app_setting_set $app db_name $db_name
ynh_mysql_setup_db $db_name $db_name

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

ynh_app_setting_set $app final_path $final_path
# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source "$final_path"
#Copy config.php to the final path
sudo cp -r ../conf/config.php $final_path


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

# Create a dedicated nginx config
ynh_add_nginx_config

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

# Create a system user
ynh_system_user_create $app


#=================================================
# SPECIFIC SETUP
#=================================================

# Set right permissions for curl install
chown -R $app: $final_path

#=================================================
# MODIFY A CONFIG FILE
#=================================================

ynh_replace_string "__dbuser__" "$db_name" "$final_path/config.php"
ynh_replace_string "__dbpass__" "$db_pwd" "$final_path/config.php"
ynh_replace_string "__admin__" "$admin" "$final_path/config.php"
ynh_replace_string "__lang__" "$language" "$final_path/config.php"
ynh_replace_string "^\$enabled = false;" "\$enabled = true;" "$final_path/scripts/setup.php"
# Replace variables in sql scripts
ynh_replace_string "__admin__" "$admin" ../conf/admin.sql
ynh_replace_string "__admin_pwd__" "$admin_password" ../conf/admin.sql

# Set the app as temporarily public for curl call
ynh_app_setting_set $app skipped_uris "/"
# Reload SSOwat config
yunohost app ssowatconf

# Reload Nginx
systemctl reload nginx

# Installation with curl
curl --data "command=setup" https://$domain$path_url/scripts/setup.php
#Add the admin account to the database
ynh_mysql_connect_as "$db_name" "$db_pwd" "$db_name" < "../conf/admin.sql"
#Disable setup for security
ynh_replace_string "^\$enabled = true;" "\$enabled = false;" "$final_path/scripts/setup.php"

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

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

if [ $is_public -eq 0 ]
then	# Remove the public access
	ynh_app_setting_delete $app skipped_uris
fi
# Make app public if necessary
if [ $is_public -eq 1 ]
then
	# unprotected_uris allows SSO credentials to be passed anyway.
	ynh_app_setting_set $app unprotected_uris "/"
fi

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

systemctl reload nginx