#!/bin/bash

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

source _common.sh
source psql.sh
source nodejs.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=$YNH_APP_ARG_DOMAIN
path_url="/"
admin_email=$YNH_APP_ARG_EMAIL
is_public=$YNH_APP_ARG_IS_PUBLIC

# This is a multi-instance app, meaning it can be installed several times independently
# The id of the app as stated in the manifest is available as $YNH_APP_ID
# The instance number is available as $YNH_APP_INSTANCE_NUMBER (equals "1", "2", ...)
# The app instance name is available as $YNH_APP_INSTANCE_NAME
#    - the first time the app is installed, YNH_APP_INSTANCE_NAME = ynhexample
#    - the second time the app is installed, YNH_APP_INSTANCE_NAME = ynhexample__2
#    - ynhexample__{N} for the subsequent installations, with N=3,4, ...
# The app instance name is probably what you are interested the most, since this is
# guaranteed to be unique. This is a good unique identifier to define installation path,
# db names, ...
app=$YNH_APP_INSTANCE_NAME

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

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 admin_email $admin_email
ynh_app_setting_set $app is_public $is_public

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# FIND AND OPEN A PORT
#=================================================

# Find a free port
port=$(ynh_find_port 9000)
# Open this port
yunohost firewall allow Both $port 2>&1
ynh_app_setting_set $app port $port

#=================================================
# INSTALL DEPENDENCIES
#=================================================

ynh_install_app_dependencies postgresql-9.4 yarn ffmpeg
ynh_install_nodejs 8

# Create postgresql database
db_name="peertube_prod"
db_pwd=$(ynh_string_random 30)
ynh_app_setting_set $app psql_db $db_name
ynh_app_setting_set $app psqlpwd $db_pwd
ynh_psql_test_if_first_run
ynh_psql_create_user $app $db_pwd
ynh_psql_execute_as_root \
"CREATE DATABASE $db_name ENCODING 'UTF8' LC_COLLATE='C' LC_CTYPE='C' template=template0 OWNER $app;"

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

ynh_app_setting_set $app final_path $final_path
# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source "$final_path"
cp -f ../conf/yarn.lock $final_path/client/yarn.lock
cp  ../conf/production.yaml $final_path/config/.
(cd $final_path && yarn install)
(cd $final_path && npm run build)



#=================================================
# NGINX CONFIGURATION
#=================================================

# Create a dedicated nginx config
ynh_add_nginx_config

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

# Create a system user
ynh_system_user_create $app


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

#=================================================
# SETUP APPLICATION WITH CURL
#=================================================

# Set right permissions for curl install
chown -R $app:$app $final_path


# Reload Nginx
systemctl reload nginx


#=================================================
# MODIFY A CONFIG FILE
#=================================================

ynh_replace_string "__domain__" "$domain" "$final_path/config/production.yaml"
ynh_replace_string "__db_name__" "$app" "$final_path/config/production.yaml"
ynh_replace_string "__db_pwd__" "$db_pwd" "$final_path/config/production.yaml"
ynh_replace_string "__email__" "$admin_email" "$final_path/config/production.yaml"


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

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

#=================================================
# GENERIC FINALIZATION
#=================================================
#=================================================
# SETUP LOGROTATE
#=================================================

# Use logrotate to manage application logfile(s)
ynh_use_logrotate


#=================================================
# SETUP SSOWAT
#=================================================

if [ $is_public -eq 0 ]
then	# Remove the public access
	ynh_app_setting_delete $app skipped_uris
fi
# 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 unprotected_uris "/"
fi

#=================================================
# SETUP SYSTEMD
#=================================================

# Create a dedicated systemd config
ynh_add_systemd_config
sudo systemctl start peertube

#=================================================
# RELOAD NGINX
#=================================================

systemctl reload nginx