#!/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=$YNH_APP_ARG_ADMIN
pass=$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
#=================================================

# 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

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

# Check password strength
[[ ${#pass} -gt 6 ]] || ynh_die \
"The password is too weak, it must be longer than 6 characters"

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

#=================================================
# 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"

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

# Create a dedicated nginx config
if [ "$path_url" != "/" ]; then
	ynh_replace_string "__PATHTOCHANGE__" "$path_url" "../conf/nginx.conf"
else
	ynh_replace_string "__PATHTOCHANGE__"  " "         "../conf/nginx.conf"
fi
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

# copy index file 
sudo cp ../conf/index.php $final_path/


# Change variable in yourls configuration
sudo cp ../conf/config.php $final_path/user/config.php
ynh_replace_string "yunouser" "$db_name" "$final_path/user/config.php"
ynh_replace_string "yunopass" "$db_pwd" "$final_path/user/config.php"
ynh_replace_string "yunobase" "$db_name" "$final_path/user/config.php"
ynh_replace_string "yunodomain" "$domain" "$final_path/user/config.php"
ynh_replace_string "_yourlspath" "${path_url%/}" "$final_path/user/config.php"
ynh_replace_string "yourlsuser" "$admin" "$final_path/user/config.php"
ynh_replace_string "yourpassword" "$pass" "$final_path/user/config.php"
ynh_replace_string "modify this text with something random" "$(ynh_string_random 24)$(ynh_string_random 24)" "$final_path/user/config.php"

# The script "add_sso_conf.py" will just add en entry for the path "/admin" in the sso conf.json.persistent file in the cathegory "protected_urls".
cp ../conf/add_sso_conf.py    $final_path/add_sso_conf.py
cp ../conf/remove_sso_conf.py $final_path/remove_sso_conf.py
ynh_replace_string "__DOMAIN__" "$domain"   "$final_path/add_sso_conf.py"
ynh_replace_string "__PATH__"   "$path_url" "$final_path/add_sso_conf.py"
ynh_replace_string "__DOMAIN__" "$domain"   "$final_path/remove_sso_conf.py"
ynh_replace_string "__PATH__"   "$path_url" "$final_path/remove_sso_conf.py"

python3 $final_path/add_sso_conf.py || ynh_die "Your file /etc/ssowat/conf.json.persistent don't respect the json synaxe. Please fix the synaxe to install this app. For more information see here : https://github.com/YunoHost-Apps/synapse_ynh/issues/32"


# Set permissions
sudo chown -R $app: $final_path

# Reload Nginx and regenerate SSOwat conf

yunohost app setting $app unprotected_uris -v "/"
yunohost app ssowatconf

# Reload Nginx
systemctl reload nginx

# Start Yourls install (database table creation)
ynh_local_curl "/admin/install.php" "install=dummy" 


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

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

sudo service nginx reload
sudo yunohost app ssowatconf