#!/bin/bash

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

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

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

secret=$(ynh_string_random)

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================

ynh_app_setting_set --app=$app --key=always_encrypt --value=$always_encrypt
ynh_app_setting_set --app=$app --key=secret --value="$secret"

ynh_app_setting_set --app=$app --key=overwrite_settings --value=1
ynh_app_setting_set --app=$app --key=overwrite_nginx --value=1
ynh_app_setting_set --app=$app --key=overwrite_systemd --value=1
ynh_app_setting_set --app=$app --key=admin_mail_html --value=1

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

# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source --dest_dir="$install_dir"

chmod -R o-rwx "$install_dir"
chown -R $app:$app "$install_dir"

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring NGINX web server..." --weight=2

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# SPECIFIC SETUP
#=================================================
# ADD A CONFIGURATION
#=================================================
ynh_script_progression --message="Adding a configuration file..." --weight=2

workers="$(( $(nproc) * 2 ))"
ynh_add_config --template="../conf/lutim.conf.template" --destination="$install_dir/lutim.conf"

chmod 400 "$install_dir/lutim.conf"
chown $app:$app "$install_dir/lutim.conf"

#=================================================
# SETUP HOOKS FILE
#=================================================

ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="../hooks/post_app_addaccess"
ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="../hooks/post_app_removeaccess"

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

ynh_add_config --template="../conf/cron_lutim" --destination="/etc/cron.d/$app"
chmod +x $install_dir/script/lutim

#=================================================
# INSTALL LUTIM WITH CARTON
#=================================================
ynh_script_progression --message="Installing $app with Carton..." --weight=60

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

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

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

# Create a dedicated systemd config
ynh_add_systemd_config

#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Configuring log rotation..." --weight=2

# Use logrotate to manage application logfile(s)
ynh_use_logrotate

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..."

yunohost service add $app --log="$install_dir/log/production.log"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --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"
ynh_systemd_action --action=stop

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

# 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"

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

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