#!/bin/bash

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

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

key=$(ynh_string_random --length=32)
ynh_app_setting_set --app=$app --key=key --value=$key

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --weight=1

# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source --dest_dir="$install_dir" --source_id="main"
ynh_setup_source --dest_dir="$install_dir/static/fonts/source_han_sans" --source_id="fonts"

# Set permissions to app files
chmod -R o-rwx "$install_dir"
chown -R $app:www-data "$install_dir"

#=================================================
# CONFIGURE THEN INSTALL SCRIPT AND DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing service script..." --weight=1

ynh_add_config --template="../conf/.env.production" --destination="$install_dir/.env"
chmod 600 $install_dir/.env
chown $app:www-data "$install_dir/.env"

mkdir "$install_dir/venv"
python3 -m venv "$install_dir/venv"
$install_dir/venv/bin/pip3 install -r "$install_dir/requirements.txt"

#=================================================
# INITIALIZE DATABASE
#=================================================
ynh_script_progression --message="Initializing database..." --weight=1

pushd $install_dir
$install_dir/venv/bin/python3 "$install_dir/manage.py" migrate
$install_dir/venv/bin/python3 "$install_dir/manage.py" initdb
$install_dir/venv/bin/python3 "$install_dir/manage.py" compile_themes
$install_dir/venv/bin/python3 "$install_dir/manage.py" collectstatic --no-input
popd

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

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# LOGROTATE CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring logrotate..." --weight=1

# Use logrotate to manage application logfile(s)
ynh_use_logrotate --specific_user=$app
touch /var/log/$app/$app.log
touch /var/log/$app/$app-beat.log
touch /var/log/$app/$app-worker.log
chown -R $app:www-data /var/log/$app/

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

ynh_add_config --template="../conf/bookwyrm.target" --destination="/etc/systemd/system/$app.target"

# Create a dedicated systemd config
ynh_add_systemd_config --service="$app-server" --template="bookwyrm-server.service"
ynh_add_systemd_config --service="$app-worker" --template="bookwyrm-worker.service"
ynh_add_systemd_config --service="$app-beat"   --template="bookwyrm-beat.service"

#=================================================
# GENERIC FINALIZATION
#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..." --weight=1

yunohost service add "$app-beat" --log="/var/log/$app/$app-beat.log"
yunohost service add "$app-server" --log="/var/log/$app/$app.log"
yunohost service add "$app-worker" --log="/var/log/$app/$app-worker.log"

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

# Start a systemd service
ynh_systemd_action --service_name="$app-beat" --action="start" --log_path="systemd" --line_match="Started bookwyrm celery beat process"
ynh_systemd_action --service_name="$app-server" --action="start" --log_path="systemd" --line_match="Booting worker with pid"
ynh_systemd_action --service_name="$app-worker" --action="start" --log_path="systemd" --line_match="ready"

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

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