#!/bin/bash

#=================================================
# GENERIC STARTING
#=================================================
# 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
#=================================================

# Retrieve app id
app=$YNH_APP_INSTANCE_NAME

# Retrieve arguments
domain=$YNH_APP_ARG_DOMAIN
path_url=$YNH_APP_ARG_PATH
admin=$YNH_APP_ARG_ADMIN
language=$YNH_APP_ARG_LANGUAGE

#=================================================
# 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 "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_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=$app --key=admin --value=$admin
ynh_app_setting_set --app=$app --key=language --value=$language

#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..." --weight=1

ynh_install_app_dependencies $pkg_dependencies

#=================================================
# CREATE A MYSQL DATABASE
#=================================================
ynh_script_progression --message="Creating a MySQL database..."

db_name=$(ynh_sanitize_dbid $app)
db_user=$db_name
ynh_app_setting_set --app=$app --key=db_name --value=$db_name
ynh_mysql_setup_db --db_user=$db_user --db_name=$db_name

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

# Create a system user
ynh_system_user_create --username=$app --home_dir="$final_path"

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --weight=6

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"

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring NGINX web server..." --weight=2

# Create a dedicated NGINX config
ynh_add_nginx_config

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

# Create a dedicated php-fpm config
ynh_add_fpm_config --package="$extra_php_dependencies"
phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)

#=================================================
# SPECIFIC SETUP
#=================================================
# CONFIGURE WALLABAG
#=================================================
ynh_script_progression --message="Configuring Wallabag..." --weight=35

# Generate random DES key & password
deskey=$(ynh_string_random --length=24)
ynh_app_setting_set --app=$app --key=deskey --value=$deskey

ynh_add_config --template="../conf/parameters.yml.dist" --destination="$final_path/app/config/parameters.yml"

# Alias for php-cli execution command
php_exec="ynh_exec_as $app php "$final_path/bin/console" --no-interaction --env=prod"

# Set permissions to app files
chown -R $app: $final_path

# Install dependencies and Wallabag
$php_exec wallabag:install

# Add users to Wallabag
for username in $(ynh_user_list)
do
	user_email=$(ynh_user_get_info --username="$username" --key=mail)
	user_pass=$(ynh_string_random)
	$php_exec fos:user:create "$username" "$user_email" "$user_pass"
done

# Set admin user
$php_exec fos:user:promote --super "$admin"

# Configure Wallabag instance URL
ynh_mysql_connect_as --user=$db_user --password="$db_pwd" --database=$db_name <<< "UPDATE craue_config_setting SET value = 'https://$domain$path_url' WHERE name = 'wallabag_url'"

#=================================================
# CONFIGURE LOG
#=================================================

# Create the log file is not already existing during install
mkdir -p "$final_path/var/logs/"
touch "$final_path/var/logs/prod.log"
chown $app: "$final_path/var/logs/prod.log"

#=================================================
# CONFIGURE FAIL2BAN
#=================================================

# Add fail2ban config
ynh_add_fail2ban_config --logpath="$final_path/var/logs/prod.log" --failregex='app.ERROR: Authentication failure for user "([\w]+)?", from IP "<HOST>"' --max_retry=5

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

# Set permissions to app files
chown -R $app:www-data $final_path
chmod -R g=u,g-w,o-rwx $final_path

# Restrict rights to Wallabag user only
chmod 600 $final_path/app/config/parameters.yml
if [ -e $final_path/var/cache/prod/appProdProjectContainer.php ]; then
	chmod 700 $final_path/var/cache/prod/appProdProjectContainer.php
fi

#=================================================
# SETUP HOOKS
#=================================================

ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="../hooks/post_user_create"
ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="../hooks/post_user_delete"

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..." --weight=1

ynh_systemd_action --service_name=nginx --action=reload

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

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