#!/bin/bash

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

source _common.sh
source /usr/share/yunohost/helpers
# Overload the helper ynh_handle_getopts_args to have fixes from unstable.
# Needed for ynh_add_fail2ban_config
source _getopts_fix.sh

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

app=$YNH_APP_INSTANCE_NAME

#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#=================================================
ynh_print_info "Validating installation parameters..."

# Check destination directory
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")

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

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================
ynh_print_info "Storing installation settings..."

ynh_app_setting_set $app domain $domain
ynh_app_setting_set $app final_path $final_path
ynh_app_setting_set $app adminusername $admin
ynh_app_setting_set $app is_public $is_public

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_print_info "Installing dependencies..."

ynh_install_app_dependencies $pkg_dependencies

#=================================================
# CREATE A MYSQL DATABASE
#================================================
ynh_print_info "Creating a MySQL database..."

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_print_info "Setting up source files..."

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"

mkdir -p $final_path/sessions/

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_print_info "Configuring nginx web server..."

# Create a dedicated nginx config
ynh_add_nginx_config

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_print_info "Configuring system user..."

# Create a system user
ynh_system_user_create $app

#=================================================
# PHP-FPM CONFIGURATION
#=================================================
ynh_print_info "Configuring php-fpm..."

# Create a dedicated php-fpm config
ynh_add_fpm_config

#=================================================
# SPECIFIC SETUP
#=================================================
# CREATE CONFIG.PHP
#=================================================
ynh_print_info "Configuring kanboard..."

# Retrieve admin email
email=$(ynh_user_get_info $admin mail)

# Copy and edit config.php
config_php="${final_path}/config.php"

cp ../conf/config.php "$config_php"
ynh_replace_string "__DB_PWD__" "$db_pwd" "$config_php"
ynh_replace_string "__DB_NAME__" $db_name "$config_php"
ynh_replace_string "__USER__"    $admin   "$config_php"
ynh_replace_string "__EMAIL__"   $email   "$config_php"
ynh_replace_string "__DOMAIN__"  $domain  "$config_php"

#=================================================
# DATABASE INITIALIZATION
#=================================================
ynh_print_info "Initializing database..."

ynh_mysql_connect_as "$db_name" "$db_pwd" "$db_name" < "${final_path}/app/Schema/Sql/mysql.sql"

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

# Set permissions to app files
chown -R root: $final_path
chown -R $app $final_path/{data,plugins,sessions}
chmod -R 700 $final_path/sessions

#=================================================
# SETUP FAIL2BAN
#=================================================
ynh_print_info "Configuring fail2ban..."

ynh_add_fail2ban_config --logpath="/var/log/nginx/$domain-error.log" --failregex="^.*authentication failure\" while reading response header from upstream, client: <HOST>,.*$" --max_retry=5

#=================================================
# SETUP SSOWAT
#=================================================
ynh_print_info "Configuring SSOwat..."

# Make app public or private
if [ $is_public -eq 1 ]
then
	ynh_app_setting_set $app unprotected_uris "/"
	ynh_replace_string "define('LDAP_AUTH'.*$"        "define('LDAP_AUTH', true);"        "$config_php"
	ynh_replace_string "define('HIDE_LOGIN_FORM'.*$"  "define('HIDE_LOGIN_FORM', false);" "$config_php"
	ynh_replace_string "define('REMEMBER_ME_AUTH'.*$" "define('REMEMBER_ME_AUTH', true);" "$config_php"
	ynh_replace_string "define('DISABLE_LOGOUT'.*$"   "define('DISABLE_LOGOUT', false);"  "$config_php"
else
	ynh_app_setting_set $app unprotected_uris "/jsonrpc.php"
fi

# Calculate and store the config file checksum into the app settings
ynh_store_file_checksum "$config_php"

#=================================================
# RELOAD NGINX
#=================================================
ynh_print_info "Reloading nginx web server..."

systemctl reload nginx

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

ynh_print_info "Installation of $app completed"