#!/bin/bash
shopt -s extglob  # sets extended pattern matching options in the bash shell

#=================================================
# GENERIC STARTING
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

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

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

ynh_abort_if_errors	# Stop script if an error is detected

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

# Retrieve app id
app=$YNH_APP_INSTANCE_NAME

# Retrieve arguments
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

if [ "$language" = "fr" ] ; then
  applanguage="fr_FR"
else
  applanguage="en_UK"
fi

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

path_url=$(ynh_normalize_url_path $path_url)	# Check and normalize path

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

# 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 $app path_url "$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 DB
#=================================================

db_name=$(ynh_sanitize_dbid $app)
db_user="$db_name"
ynh_app_setting_set "$app" db_name "$db_name"

# Initialize database
ynh_mysql_setup_db "$db_user" "$db_name"

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

ynh_app_setting_set $app final_path "$final_path"
# Create tmp directory and fetch app inside
TMPDIR=$(mktemp -d)
ynh_setup_source "$TMPDIR"
# Fetch needed plugins
mkdir -p $TMPDIR/plugins/Ldap_Login
ynh_setup_source "$TMPDIR/plugins/Ldap_Login" ldap_plugin
ynh_setup_source "$TMPDIR/plugins" log_failed_logins_plugin

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

ynh_system_user_create $app	# Create a dedicated system user

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

# Install files and set permissions
mkdir $final_path
cp -a $TMPDIR/!(upload|galleries) $final_path

datapath=/home/yunohost.app/$app
mkdir -p $datapath
mkdir -p $datapath/galleries
mkdir -p $datapath/upload

ln -sd $datapath/galleries $final_path/galleries
cp -a $TMPDIR/galleries/* $final_path/galleries/
ln -sd $datapath/upload $final_path/upload

chown -R $app: $final_path
chown -R $app: $datapath
chmod 755 -R $final_path/galleries

#=================================================
# NGINX AND PHP-FPM CONFIGURATION
#=================================================

ynh_add_nginx_config
ynh_store_file_checksum "/etc/nginx/conf.d/$domain.d/$app.conf"

# Copy and set php-fpm configuration
ynh_add_fpm_config

#=================================================
# CONFIGURE PIWIGO
#=================================================

# Set permissions and reload nginx (needed at this stage for the PHP piwigo installation process)
systemctl reload nginx
sleep 5s
systemctl reload php5-fpm
ynh_app_setting_set "$app" unprotected_uris "/"
yunohost app ssowatconf

# Generate random password for admin

adm_pwd=$(ynh_string_random 24)
ynh_app_setting_set $app admin_pwd "$adm_pwd"

# Configure piwigo via curl
sleep 5s
mail="$(ynh_user_get_info $admin mail)"
ynh_local_curl "/install.php?language=$applanguage" "install=true" "dbuser=$db_user" "dbpasswd=$db_pwd" "dbname=$db_name" "admin_name=$admin" "admin_pass1=$adm_pwd" "admin_pass2=$adm_pwd" "admin_mail=$mail"

# Change local config
cp ../conf/config.inc.php $final_path/local/config/
# Calculate and store the config file checksum
ynh_store_file_checksum "$final_path/local/config/config.inc.php"

# Setup database in local/config/database.inc.php
ynh_replace_string "DBTOCHANGE" "$db_name" ../conf/database.inc.php
ynh_replace_string "USERTOCHANGE" "$db_user" ../conf/database.inc.php
ynh_replace_string "PASSTOCHANGE" "$db_pwd" ../conf/database.inc.php
cp ../conf/database.inc.php $final_path/local/config/database.inc.php
# Calculate and store the database config file checksum
ynh_store_file_checksum "$final_path/local/config/database.inc.php"

#=================================================
# ADD LDAP & FAIL2BAN PLUGINS
#=================================================

# Activate LDAP plugin
ynh_mysql_connect_as $db_name $db_pwd $db_user <<< "INSERT INTO plugins (id,state,version) VALUES ('Ldap_Login','active','1.1');"

# Configure and activate log_failed_logins plugin
ynh_mysql_connect_as $db_name $db_pwd $db_user <<< "INSERT INTO plugins (id,state,version) VALUES ('log_failed_logins','active','1.2');"
ynh_mysql_connect_as $db_name $db_pwd $db_user <<< "INSERT INTO config (param, value) VALUES ('logFailedLoginsFilename','/var/log/${app}FailedLogins.log');"
touch "/var/log/${app}FailedLogins.log"
chown $app: "/var/log/${app}FailedLogins.log"

# Set-up fail2ban
ynh_add_fail2ban_config "/var/log/${app}FailedLogins.log" "ip=<HOST>" 6

# Protect URIs if private
if [ $is_public -eq 0 ];
then
  ynh_app_setting_delete "$app" unprotected_uris
  ynh_app_setting_set "$app" protected_uris "/"
fi

#=================================================
# RELOAD NGINX
#=================================================
systemctl reload nginx