#!/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=$YNH_APP_ARG_ADMIN
is_public=$YNH_APP_ARG_IS_PUBLIC

deskey=$(ynh_string_random --length=24)

app=$YNH_APP_INSTANCE_NAME

#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#=================================================
ynh_script_progression --message="Validating installation parameters..." --weight=1

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..." --weight=1

ynh_app_setting_set --app=$app --key=domain --value=$domain
ynh_app_setting_set --app=$app --key=path_url --value=$path_url
ynh_app_setting_set --app=$app --key=admin --value=$admin
ynh_app_setting_set --app=$app --key=is_public --value=$is_public
ynh_app_setting_set --app=$app --key=deskey --value=$deskey
ynh_app_setting_set --app=$app --key=phpversion --value=$YNH_PHP_VERSION

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

ynh_install_app_dependencies $pkg_dependencies

#=================================================
# CREATE A PSQL DATABASE
#=================================================
ynh_script_progression --message="Creating a PSQL database..." --weight=1

ynh_psql_test_if_first_run

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

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --weight=1

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=1

# Create a dedicated nginx config
ynh_add_nginx_config

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Configuring system user..." --weight=1

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

#=================================================
# PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring php-fpm..." --weight=1

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

#=================================================
# SPECIFIC SETUP
#=================================================
# CONFIGURE AENERIA
#=================================================
ynh_script_progression --message="Configuring æneria..." --weight=1

aeneria_conf="$final_path/.env"
cp ../conf/.env $aeneria_conf

ynh_replace_string --match_string="database_name" --replace_string="${db_name}" --target_file="$aeneria_conf"
ynh_replace_string --match_string="database_user" --replace_string="${db_user}" --target_file="$aeneria_conf"
ynh_replace_string --match_string="database_password" --replace_string="${db_pwd}" --target_file="$aeneria_conf"
ynh_replace_string --match_string="app_secret" --replace_string="${deskey}" --target_file="$aeneria_conf"

# Restrict rights to aeneria user only
chmod 600 "$aeneria_conf"

#=================================================
# INSTALL AENERIA
#=================================================
ynh_script_progression --message="Installing æneria..." --weight=1

# Set permissions to app files
chown -R $app: $final_path
chmod 755 $final_path

# Install aeneria
pushd $final_path
  ynh_exec_as $app php$phpversion bin/console aeneria:install "$app" -n

  # Create aeneria's user
  for username in $(ynh_user_list)
  do
    mail=$(ynh_user_get_info --username=$username --key='mail')
    user_pass=$(ynh_string_random)
    ynh_exec_as $app php$phpversion bin/console aeneria:user:add "$mail" "$user_pass"
  done

  # Set admin user
  mail=$(ynh_user_get_info --username=$admin --key='mail')
  ynh_exec_as $app php$phpversion bin/console aeneria:user:grant "$mail"
popd

#=================================================
# SET UP CRON JOB
#=================================================
ynh_script_progression --message="Setuping a cron job..." --weight=1

cron_path="/etc/cron.d/$app"
cp -a ../conf/aeneria.cron "$cron_path"
chown root: "$cron_path"
chmod 644 "$cron_path"

ynh_replace_string "#USER#" "$app" "$cron_path"
ynh_replace_string "#DESTDIR#" "$final_path" "$cron_path"

#=================================================
# ADAPT HOOK FOR AENERIA INSTANCE
#=================================================
ynh_script_progression --message="Adapting hooks..." --weight=1

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

#=================================================
# GENERIC FINALIZATION
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================
ynh_script_progression --message="Securing files and directories..." --weight=1

# Set permissions to app files
chown -R $app: $final_path
chmod 755 $final_path

#=================================================
# SETUP SSOWAT
#=================================================
ynh_script_progression --message="Configuring SSOwat..." --weight=1

# Make app public if necessary
if [ $is_public -eq 1 ]
then
  ynh_permission_update --permission "main" --add visitors
fi

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

ynh_systemd_action --service_name=php$phpversion-fpm --action=reload
ynh_systemd_action --service_name=nginx --action=reload

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

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