#!/bin/bash

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

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

#=================================================
# 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_script_progression --message="Validating installation parameters..."

final_path=/var/www/$app
test ! -e "$final_path" || ynh_die --message="This path already contains a folder"
data_path=/home/yunohost.app/$app
test ! -e "$data_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=$app --key=admin --value=$admin
ynh_app_setting_set --app=$app --key=is_public --value=$is_public

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..." --weight=60

ynh_install_app_dependencies $pkg_dependencies
ynh_install_php --phpversion="$YNH_PHP_VERSION" --package="$extra_pkg_dependencies"

#=================================================
# CREATE POSTGRESQL DATABASE
#=================================================
ynh_script_progression --message="Creating a PostgreSQL database..." --weight=4

ynh_psql_test_if_first_run

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

db_pwd=$(ynh_app_setting_get $app psqlpwd)

#=================================================
# 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 YNH_PHP_VERSION

#=================================================
# 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=1

# Create a dedicated php-fpm config
ynh_add_fpm_config --phpversion="$YNH_PHP_VERSION"

#=================================================
# SPECIFIC SETUP
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================

ynh_app_setting_set --app=$app --key=data_path --value=$data_path
mkdir -p $data_path
chown -R "$app": "$data_path"
chown -R "$app": "$final_path"

#=================================================
# SETUP APPLICATION
#=================================================
ynh_script_progression --message="Configuring the application..." --weight=190

email=$(ynh_user_get_info $admin mail)
password=$(ynh_string_random --length=30)

exec_as "$app" php$YNH_PHP_VERSION "$final_path/admin/cli/install.php" --wwwroot="https://$domain${path_url%/}" --dataroot=$data_path --dbtype='pgsql' --dbname=$db_name --dbuser=$db_name --dbpass=$db_pwd --adminuser=$admin --adminpass=$password --adminemail=$email --fullname="YunoHost" --shortname="YNH" --non-interactive --agree-license

# Calculate and store the config file checksum into the app settings
ynh_store_file_checksum "$final_path/config.php"

#=================================================
# ACTIVATE LDAP SUPPORT
#=================================================

ynh_psql_execute_as_root --database=$db_name --sql="UPDATE public.mdl_config SET value='ldap,email' WHERE name='auth';"
ynh_psql_execute_as_root --database=$db_name --sql="UPDATE public.mdl_config_plugins SET value='ldap://127.0.0.1/' WHERE plugin='auth_ldap' AND name='host_url';"
ynh_psql_execute_as_root --database=$db_name --sql="UPDATE public.mdl_config_plugins SET value='uid' WHERE plugin='auth_ldap' AND name='user_attribute';"
ynh_psql_execute_as_root --database=$db_name --sql="UPDATE public.mdl_config_plugins SET value='ou=users,dc=yunohost,dc=org' WHERE plugin='auth_ldap' AND name='contexts';"
ynh_psql_execute_as_root --database=$db_name --sql="UPDATE public.mdl_config_plugins SET value='givenName' WHERE plugin='auth_ldap' AND name='field_map_firstname';"
ynh_psql_execute_as_root --database=$db_name --sql="UPDATE public.mdl_config_plugins SET value='sn' WHERE plugin='auth_ldap' AND name='field_map_lastname';"
ynh_psql_execute_as_root --database=$db_name --sql="UPDATE public.mdl_config_plugins SET value='mail' WHERE plugin='auth_ldap' AND name='field_map_email';"
ynh_psql_execute_as_root --database=$db_name --sql="UPDATE public.mdl_config_plugins SET value='onlogin' WHERE plugin='auth_ldap' AND (name='field_updatelocal_firstname' OR name='field_updatelocal_lastname' OR name='field_updatelocal_email');"
ynh_psql_execute_as_root --database=$db_name --sql="UPDATE public.mdl_config_plugins SET value='locked' WHERE plugin='auth_ldap' AND (name='field_lock_firstname' OR name='field_lock_lastname' OR name='field_lock_email');"

# The admin is an ldap user
ynh_psql_execute_as_root --database=$db_name --sql="UPDATE public.mdl_user SET auth='ldap' WHERE username='$admin';"

exec_as "$app" php$YNH_PHP_VERSION "$final_path/admin/cli/purge_caches.php"

#=================================================
# ADD CRON JOB
#=================================================

# Set up poller
sudo cp "../conf/cron" "/etc/cron.d/$app"
ynh_replace_string "__APP__" "$app" "/etc/cron.d/$app"
ynh_replace_string "__FINAL_PATH__" "$final_path" "/etc/cron.d/$app"
ynh_replace_string "__YNH_PHP_VERSION__" "$YNH_PHP_VERSION" "/etc/cron.d/$app"

#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP 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..." --weight=1

ynh_systemd_action --service_name=nginx --action=reload

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

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