#!/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
is_public=$YNH_APP_ARG_IS_PUBLIC
lang=$YNH_APP_ARG_LANG
password=$YNH_APP_ARG_PASSWORD
ldap=$YNH_APP_ARG_LDAP

app=$YNH_APP_INSTANCE_NAME

#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE 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..."

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=$app --key=is_public --value=$is_public
ynh_app_setting_set --app=$app --key=lang --value=$lang
ynh_app_setting_set --app=$app --key=password --value=$password
ynh_app_setting_set --app=$app --key=ldap --value=$ldap

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# CREATE A MYSQL DATABASE
#=================================================
ynh_script_progression --message="Creating a MySQL database..." --weight=2

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

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --weight=3

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/app"

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

# Create a dedicated nginx config
ynh_add_nginx_config

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Configuring system user..." --weight=2

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

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

# Create a dedicated php-fpm config
ynh_add_fpm_config

#=================================================
# SPECIFIC SETUP
#=================================================
# AUTOCONFIG
#=================================================
ynh_script_progression --message= "Configuring rainloop..." --weight=3

# Set plugins
# This plugin is trying to automatically grab unknown domains if users want to add external email accounts
plugins="ynh-login-mapping,auto-domain-grab"
if [ $ldap -eq 1 ]
then
	# This plugin is to suggest YunoHost users in recipients list
	plugins="$plugins,ynh-ldap-suggestions"
fi
ynh_app_setting_set --app=$app --key=plugins --value="$plugins"


mkdir -p "$final_path/app/data/_data_/_default_/configs/"
application_file="$final_path/app/data/_data_/_default_/configs/application.ini"

cp ../conf/data/configs/application.ini "$application_file"
ynh_replace_string --match_string="__DOMAIN__" --replace_string=$domain --target_file="$application_file"
ynh_replace_string --match_string="__MYSQLUSER__" --replace_string=$db_name --target_file="$application_file"
ynh_replace_string --match_string="__MYSQLPASSWORD__" --replace_string="$db_pwd" --target_file="$application_file"
ynh_replace_string --match_string="__LANGTOCHANGE__" --replace_string=$lang --target_file="$application_file"
ynh_replace_string --match_string="__PLUGINSTOENABLE__" --replace_string="$plugins" --target_file="$application_file"
# FIXME Temporary fix for rainloop, waiting for https://github.com/YunoHost/yunohost/pull/752 to be released.
# ynh_replace_string --match_string="__TIME_ZONE__" --replace_string="$(date +%:::z)" --target_file="$application_file"
timezone="$(date +%:::z)"
ynh_replace_string --match_string="__TIME_ZONE__" --replace_string="${timezone//-/\\-}" --target_file="$application_file"

# Set admin password
php ../conf/config.php --index="$final_path/app/index.php" --password="$password"

# Add default domain configs by looping through all the domains already added
mkdir -p "$final_path/app/data/_data_/_default_/domains/"
# get list of ldap domains
alldomains=$(ldapsearch -LLL -x -b ou=domains,dc=yunohost,dc=org -s one "objectclass=top" virtualdomain | grep -v "dn:" | sed "s/virtualdomain://")
for ldomain in $alldomains; do
	cp ../conf/data/domains/domain.tld.ini "$final_path/app/data/_data_/_default_/domains/$ldomain.ini"
done
# Add wildcard domain for auto-grab
cp ../conf/data/domains/default.ini "$final_path/app/data/_data_/_default_/domains/default.ini"


# install SSO - at the moment the index is the SSO and rainloop is installed in /app
cp ../sources/sso/sso.php "$final_path/index.php"
ynh_replace_string --match_string="__DOMAIN__" --replace_string="$domain" --target_file="$final_path/index.php"
ynh_replace_string --match_string="__ALIASTOCHANGE__" --replace_string="$final_path" --target_file="$final_path/index.php"
ynh_replace_string --match_string="__ROOTTOCHANGE__" --replace_string="${path_url%/}" --target_file="$final_path/index.php"

# Install PGPback by chtixof to allow users to backup/restore their PGP private keys on the server
cp -rf ../sources/pgpback "$final_path/"

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

# Calculate and store the config file checksum into the app settings
ynh_store_file_checksum --file="$application_file"

#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Configuring log rotation..."

mkdir -p $final_path/app/data/_data_/_default_/logs/fail2ban
touch $final_path/app/data/_data_/_default_/logs/fail2ban/auth-fail.log

# Use logrotate to manage application logfile(s)
ynh_use_logrotate --logfile=$final_path/app/data/_data_/_default_/logs/fail2ban/auth-fail.log

#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================

# Set permissions to app files
find $final_path/. -type d -exec chmod 755 {} \;
find $final_path/. -type f -exec chmod 644 {} \;
chown -R $app: $final_path

#=================================================
# SETUP FAIL2BAN
#=================================================
ynh_script_progression --message="Configuring fail2ban..." --weight=8

# Create a dedicated fail2ban config
ynh_add_fail2ban_config --logpath="$final_path/app/data/_data_/_default_/logs/fail2ban/auth-fail.log" --failregex="Auth failed: ip=<HOST>.*$"

#=================================================
# SETUP SSOWAT
#=================================================
ynh_script_progression --message="Configuring SSOwat..."

# Make app public if necessary
if [ $is_public -eq 1 ]
then
	# unprotected_uris allows SSO credentials to be passed anyway.
	ynh_app_setting_set --app=$app --key=unprotected_uris --value="/"
fi

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

ynh_systemd_action --service_name=nginx --action=reload

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

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