#!/bin/bash

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

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

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

ynh_clean_setup () {
	### Remove this function if there's nothing to clean before calling the remove script.
	true
}
# 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
is_public=$YNH_APP_ARG_IS_PUBLIC
master_key=$YNH_APP_ARG_MASTER_KEY
data_path=$YNH_APP_ARG_DATA_PATH
i_data_path=$YNH_APP_ARG_I_DATA_PATH

app=$YNH_APP_INSTANCE_NAME

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

ynh_script_progression --message="Validating installation parameters..." --time --weight=1


final_path=/var/www/$app

if [ $i_data_path -ne 0 ]
then
    test ! -e "$final_path" || ynh_die --message="This path already contains a folder"
else
    test ! -e "$data_path" || ynh_die --message="This path already contains a folder"
fi

# 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..." --time --weight=1

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=$app --key=master_key --value=$master_key
ynh_app_setting_set --app=$app --key=is_public --value=$is_public

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

ynh_script_progression --message="Configuring firewall..." --time --weight=1

# Find an available port
port=$(ynh_find_port --port=8095)
ynh_app_setting_set --app=$app --key=port --value=$port

#=================================================
# DOWNLOAD AND INSTALL MAILISEARCH
#=================================================

ynh_script_progression --message="Installing mailisearch..." --time --weight=1
installation_mailisearch()


#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring nginx web server..." --time --weight=1

### `ynh_add_nginx_config` will use the file conf/nginx.conf

# Create a dedicated nginx config
ynh_add_nginx_config

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

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

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Configuring a systemd service..." --time --weight=1

### `ynh_systemd_config` is used to configure a systemd script for an app.
### It can be used for apps that use sysvinit (with adaptation) or systemd.
### Have a look at the app to be sure this app needs a systemd script.
### `ynh_systemd_config` will use the file conf/systemd.service
### If you're not using these lines:
###		- You can remove those files in conf/.
###		- Remove the section "BACKUP SYSTEMD" in the backup script
###		- Remove also the section "STOP AND REMOVE SERVICE" in the remove script
###		- As well as the section "RESTORE SYSTEMD" in the restore script
###		- And the section "SETUP SYSTEMD" in the upgrade script

ynh_replace_string "__PORT__" "$port" "conf/systemd.service"
ynh_replace_string "__PORT__" "$port" "conf/systemd.service"

# Create a dedicated systemd config
ynh_add_systemd_config

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

### Use these lines only if the app installation needs to be finalized through
### web forms. We generally don't want to ask the final user,
### so we're going to use curl to automatically fill the fields and submit the
### forms.

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

# Set the app as temporarily public for curl call
ynh_script_progression --message="Configuring SSOwat..." --time --weight=1
ynh_app_setting_set --app=$app --key=skipped_uris --value="/"
# Reload SSOwat config
yunohost app ssowatconf

# Reload Nginx
ynh_systemd_action --service_name=nginx --action=reload

# Installation with curl
ynh_script_progression --message="Finalizing installation..." --time --weight=1
ynh_local_curl "/INSTALL_PATH" "key1=value1" "key2=value2" "key3=value3"

# Remove the public access
if [ $is_public -eq 0 ]
then
	ynh_app_setting_delete --app=$app --key=skipped_uris
fi

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

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

#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Configuring log rotation..." --time --weight=1

# Use logrotate to manage application logfile(s)
ynh_use_logrotate

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================

### `yunohost service add` integrates a service in YunoHost. It then gets
### displayed in the admin interface and through the others `yunohost service` commands.
### (N.B. : this line only makes sense if the app adds a service to the system!)
### If you're not using these lines:
###		- You can remove these files in conf/.
###		- Remove the section "REMOVE SERVICE FROM ADMIN PANEL" in the remove script
###		- As well as the section "ADVERTISE SERVICE IN ADMIN PANEL" in the restore script

yunohost service add $app --description "A short description of the app" --log "/var/log/$app/$app.log"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --time --weight=1

# Start a systemd service
ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"

#=================================================
# SETUP FAIL2BAN
#=================================================
ynh_script_progression --message="Configuring fail2ban..." --time --weight=1

# Create a dedicated fail2ban config
ynh_add_fail2ban_config --logpath="/var/log/nginx/${domain}-error.log" --failregex="Regex to match into the log for a failed login"

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

# 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..." --time --weight=1

ynh_systemd_action --service_name=nginx --action=reload

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

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