#!/bin/bash

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

source _common.sh
source /usr/share/yunohost/helpers
# Load common variables for all scripts.
source _variables

#=================================================
# MANAGE FAILURE OF THE SCRIPT
#=================================================

ynh_clean_setup () {
# Clean installation remaining that are not handle by the remove script.
	ynh_clean_check_starting
}
ynh_abort_if_errors

#=================================================
# RETRIEVE ARGUMENTS FROM THE MANIFEST
#=================================================
ynh_script_progression --message="Retrieve arguments from the manifest"

domain=$YNH_APP_ARG_DOMAIN
path_url=$YNH_APP_ARG_PATH
is_public=$YNH_APP_ARG_IS_PUBLIC
always_encrypt=$YNH_APP_ARG_ALWAYS_ENCRYPT

app=$YNH_APP_INSTANCE_NAME

#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THIS ARGS
#=================================================
ynh_script_progression --message="Check if the app can be installed" --weight=2

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

# Normalize the url path syntax
path_url=$(ynh_normalize_url_path $path_url)

# Register (book) web path
ynh_webpath_register $app $domain $path_url

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================
ynh_script_progression --message="Store settings from manifest" --weight=2

ynh_app_setting_set $app domain $domain
ynh_app_setting_set $app is_public $is_public
ynh_app_setting_set $app always_encrypt $always_encrypt

ynh_app_setting_set $app overwrite_settings "1"
ynh_app_setting_set $app overwrite_nginx "1"
ynh_app_setting_set $app overwrite_systemd "1"
ynh_app_setting_set $app admin_mail_html "1"

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# FIND AND OPEN A PORT
#=================================================
ynh_script_progression --message="Find a free port" --weight=3

# Find a free port
port=$(ynh_find_port 8095)
ynh_app_setting_set $app port $port

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

ynh_app_setting_set $app final_path $final_path
# Download, check integrity and uncompress the source from app.src
ynh_setup_source "$final_path"

#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Install dependencies" --weight=60

ynh_install_app_dependencies $app_depencencies

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configure nginx" --weight=2

# Create a dedicated nginx config
ynh_add_nginx_config

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Create a dedicated user" --weight=2

# Create a dedicated system user
ynh_system_user_create $app

#=================================================
# SPECIFIC SETUP
#=================================================
# SETUP LUTIM
#=================================================
ynh_script_progression --message="Configure Lutim" --weight=2

# Configure Lutim
cp ../conf/lutim.conf.template "$final_path/lutim.conf"
ynh_replace_string "__DOMAIN__" "$domain" "$final_path/lutim.conf"
ynh_replace_string "__PATH__" "$path_url" "$final_path/lutim.conf"
ynh_replace_string "__PORT__" "$port" "$final_path/lutim.conf"
ynh_replace_string "__ENCRYPT__" "$always_encrypt" "$final_path/lutim.conf"
secret=$(ynh_string_random)
ynh_replace_string "__SECRET__" "$secret" "$final_path/lutim.conf"
ynh_app_setting_set $app secret "$secret"
# Calculate and store the config file checksum into the app settings
ynh_store_file_checksum "$final_path/lutim.conf"

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Configure systemd" --weight=2

# Create a dedicated systemd config
ynh_add_systemd_config

#=================================================
# SETUP CRON
#=================================================

cp ../conf/cron_lutim /etc/cron.d/$app
ynh_replace_string "__FINALPATH__" "$final_path/" /etc/cron.d/$app
chmod +x $final_path/script/lutim

#=================================================
# INSTALL LUTIM WITH CARTON
#=================================================
ynh_script_progression --message="Install Lutim with Carton" --weight=60

mkdir -p /var/log/$app/
(cd $final_path
carton install 2>&1 | tee -a "/var/log/$app/setup_carton.log")

# Use a perl path adapted to the system architecture
arch_dir=$(ls -1 $final_path/local/lib/perl5/ | grep linux-gnu)
if [ "$?" -ne 0 ]
then
	ynh_die "Unable to find the perl directory for your architecture."
fi
ynh_replace_string "__ARCHDIR__" "$arch_dir" "$final_path/script/lutim"

#=================================================
# SETUP LOG FILE
#=================================================

# Making log a symbolic link to /var/log
touch /var/log/$app/production.log
chown $app -R /var/log/$app
ln -s /var/log/$app/production.log "$final_path/log/production.log"

#=================================================
# SECURING FILES AND DIRECTORIES
#=================================================

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

#=================================================
# GENERIC FINALISATION
#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Configure logrotate" --weight=2

# Use logrotate to manage application logfile(s)
ynh_use_logrotate

#=================================================
# ADVERTISE SERVICE IN ADMIN PANEL
#=================================================

yunohost service add lutim -l $final_path/log/production.log

#=================================================
# SETUP SSOWAT
#=================================================
ynh_script_progression --message="Setup SSOwat"

ynh_app_setting_set $app skipped_uris "/"
if [ $is_public -eq 0 ]
then
	# If the app is private, viewing images stays publicly accessible.
	if [ "$path_url" == "/" ]; then
	    # If the path is /, clear it to prevent any error with the regex.
	    path_url=""
	fi
	# Modify the domain to be used in a regex
	domain_regex=$(echo "$domain" | sed 's@-@.@g')
	ynh_app_setting_set $app protected_regex "$domain_regex$path_url/stats$","$domain_regex$path_url/manifest.webapp$","$domain_regex$path_url/$","$domain_regex$path_url/d/.*$","$domain_regex$path_url/m/.*$"
fi

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reload nginx" --weight=2

ynh_systemd_action --action=reload --service_name=nginx

#=================================================
# CHECK LUTIM BOOTING
#=================================================
ynh_script_progression --message="Restart Lutim" --weight=6

# Wait for lutim to be fully started
ynh_systemd_action --action=restart --line_match="Manager.*started" --log_path="/var/log/$app/production.log" --timeout="120"

# Set right permissions on new files created at first start
chown -R $app: $final_path

#=================================================
# SEND A README FOR THE ADMIN
#=================================================

# Get main domain and buid the url of the admin panel of the app.
admin_panel="https://$(grep portal_domain /etc/ssowat/conf.json | cut -d'"' -f4)/yunohost/admin/#/apps/$app"

echo "You can find a config file at $final_path/lutim.conf

You can configure this app easily by using the experimental __URL_TAG1__config-panel feature__URL_TAG2__$admin_panel/config-panel__URL_TAG3__.
You can also find some specific actions for this app by using the experimental __URL_TAG1__action feature__URL_TAG2__$admin_panel/actions__URL_TAG3__.

If you're facing an issue or want to improve this app, please open a new issue in this __URL_TAG1__project__URL_TAG2__https://github.com/YunoHost-Apps/lutim_ynh__URL_TAG3__." > mail_to_send

ynh_send_readme_to_admin --app_message="mail_to_send" --recipients="root" --type="install"

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

ynh_script_progression --message="Installation completed" --last