#!/bin/bash

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

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

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

ynh_abort_if_errors

#=================================================
# RETRIEVE ARGUMENTS FROM THE MANIFEST
#=================================================

# Retrieve arguments
domain=$YNH_APP_ARG_DOMAIN
path=$YNH_APP_ARG_PATH
is_public=$YNH_APP_ARG_IS_PUBLIC

app=$YNH_APP_INSTANCE_NAME

# Database settings
db_pwd=$(ynh_string_random)
db_name=$app
db_user=$app

# Constant arguments
secret_key=$(ynh_string_random --length 32)
mails_sender="no-reply@${domain}"



#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#=================================================
ynh_script_progression --message="Validating installation parameters..." --weight=1

final_path=/opt/yunohost/$app
test ! -e "$final_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..." --weight=1

ynh_app_setting_set --app=$app --key=domain --value=$domain
ynh_app_setting_set --app=$app --key=path --value=$path_url

#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..." --weight=1

ynh_install_app_dependencies $pkg_dependencies

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

# Create a system user
ynh_system_user_create --username=$app --home_dir="$final_path"

#=================================================
# CREATE A MYSQL DATABASE
#=================================================
ynh_script_progression --message="Creating a MySQL database..." --time --weight=1

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



# Save app settings
ynh_app_setting_set "$app" mysqlpwd "$db_pwd"
ynh_app_setting_set "$app" is_public "$is_public"

install_apt_dependencies

create_unix_user

# Prepare venv
init_virtualenv
pip_install

create_system_dirs

# Configure gunicorn
install -o ihatemoney -g ihatemoney -m 644 \
     ../conf/gunicorn.conf.py /etc/ihatemoney/gunicorn.conf.py

# Configure supervisor
configure_supervisor
# In case it was already installed before,
# so that it picks /etc/supervisor/conf.d/ihatemoney.conf:
supervisorctl update
yunohost service add supervisor

# Configure ihatemoney
ynh_replace_string "MY_SECRET_KEY" "$secret_key"   ../conf/ihatemoney.cfg
ynh_replace_string "MY_EMAIL"      "$mails_sender" ../conf/ihatemoney.cfg
ynh_replace_string "MY_MYSQL_PW"   "$db_pwd"       ../conf/ihatemoney.cfg
ynh_replace_string "MY_PATH"       "$path"         ../conf/ihatemoney.cfg
# Remove the conf directive if served at root
sed -i "/APPLICATION_ROOT='\/'/d" ../conf/ihatemoney.cfg
install -o ihatemoney -g ihatemoney -m 640 \
     ../conf/ihatemoney.cfg /etc/ihatemoney/ihatemoney.cfg

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

# Create a dedicated NGINX config
ynh_add_nginx_config

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

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



# Wait that gunicorn is ready to consider the install finished, that is to
# avoid HTTP 502 right after installation
for i in `seq 1 120`
do
    test -S /tmp/budget.gunicorn.sock && break
	sleep 1
done

# If socket not ready after 2 minutes waiting, ihatemoney will not work.
test -S /tmp/budget.gunicorn.sock || ynh_die

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

# Make app public if necessary
if [ $is_public -eq 1 ]
then
	ynh_permission_update --permission="main" --add="visitors"
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