#!/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=$YNH_APP_ARG_DOMAIN
path_url="/"
is_public=$YNH_APP_ARG_IS_PUBLIC
master_key=$YNH_APP_ARG_MASTER_KEY
allow_analyse=$YNH_APP_ARG_ALLOW_ANALYSE

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"
mkdir -p $final_path

# 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=$app --key=path --value=$path_url
ynh_app_setting_set --app=$app --key=master_key --value=$master_key
ynh_app_setting_set --app=$app --key=final_path --value=$final_path
ynh_app_setting_set --app=$app --key=allow_analyse --value=$allow_analyse

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

ynh_script_progression --message="Finding an available port..." --weight=2

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

#=================================================
# DOWNLOAD AND INSTALL MEILISEARCH
#=================================================
ynh_script_progression --message="Installing Meilisearch..." --weight=5

arch=$(ynh_detect_arch)

if [ "$arch" != "amd64" ] && [ "$arch" != "armv8" ]
then
    ynh_die --message="Your OS Architecture is not supported"
fi
release_file=meilisearch-linux-$arch
curl -OL https://github.com/meilisearch/MeiliSearch/releases/download/$latest/meilisearch-linux-$arch
chmod +x "$release_file"
mv "$release_file" /usr/bin/meilisearch

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring NGINX web server..." --weight=8

# 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

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Configuring a systemd service..." --weight=2

if [ $allow_analyse ]; then
    ynh_replace_string "__ANALYTICS__" "false" "../conf/systemd.service"
else
    ynh_replace_string "__ANALYTICS__" "true" "../conf/systemd.service"
fi
ynh_replace_string "__PORT__" "$port" "../conf/systemd.service"
ynh_replace_string "__API_KEY__" "$master_key" "../conf/systemd.service"

# Create a dedicated systemd config
ynh_add_systemd_config

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

# Use logrotate to manage application logfile(s)
ynh_use_logrotate

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

yunohost service add $app --description="Opensource next generation search API" --log="/var/log/$app/$app.log"

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

# Make app public if necessary or protect it
if [ $is_public -eq 1 ]
then
	# Everyone can access the app.
	# The "main" permission is automatically created before the install script.
	ynh_permission_update --permission="main" --add="visitors"
fi

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..." --weight=2

ynh_systemd_action --service_name=nginx --action=reload

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

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