#!/bin/bash

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

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

#=================================================
# INITIALIZE AND STORE SETTINGS
#=================================================

focus_user="focus"
focus_password=$(ynh_string_random --length=8)
ynh_app_setting_set --app="$app" --key=focus_user --value="$focus_user"
ynh_app_setting_set --app="$app" --key=focus_password --value="$focus_password"

videobridge_user="jvb"
videobridge_secret=$(ynh_string_random --length=8)
ynh_app_setting_set --app="$app" --key=videobridge_user --value="$videobridge_user"
ynh_app_setting_set --app="$app" --key=videobridge_secret --value="$videobridge_secret"

focus_secret=$(ynh_string_random --length=8)
turn_secret=$(ynh_string_random --length=8)
ynh_app_setting_set --app="$app" --key=focus_secret --value="$focus_secret"
ynh_app_setting_set --app="$app" --key=turn_secret --value="$turn_secret"

max_memory=200 #125 mib with no user +1,5*50 users=75 mib
ynh_app_setting_set --app="$app" --key=max_memory --value="$max_memory"

muc_nickname=$(uuidgen)
ynh_app_setting_set --app="$app" --key=muc_nickname --value="$muc_nickname"

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

gpasswd --add prosody "$app"
gpasswd --add www-data "$app"

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

_setup_sources

chmod 750 "$install_dir"
chmod -R o-rwx "$install_dir"
chown -R "$app:$app" "$install_dir"

#=================================================
# REPLACE JNIWRAPPER FOR ARMHF ARCHITECTURE IN JITSI-VIDEOBRIDGE
#=================================================

if [ "$YNH_ARCH" == "armhf" ]; then
    ynh_script_progression --message="Configuring jniwrapper for armhf ..." --weight=1
    ynh_jniwrapper_armhf
fi

#=================================================
# SPECIFIC SETUP
#=================================================
# CONFIGURE PROSODY
#=================================================
ynh_script_progression --message="Configuring prosody..." --weight=1

ynh_add_config --template="prosody.cfg.lua" --destination="/etc/prosody/conf.avail/$domain.cfg.lua"
chmod 644 "/etc/prosody/conf.avail/$domain.cfg.lua"
ln -s "/etc/prosody/conf.avail/$domain.cfg.lua" "/etc/prosody/conf.d/$domain.cfg.lua"

echo | ynh_exec_warn_less prosodyctl cert generate "$domain"
ln -sf "/var/lib/prosody/$domain.key" "/etc/prosody/certs/$domain.key"
ln -sf "/var/lib/prosody/$domain.crt" "/etc/prosody/certs/$domain.crt"
ln -sf "/var/lib/prosody/$domain.crt" "/usr/local/share/ca-certificates/$domain.crt"

echo | ynh_exec_warn_less prosodyctl cert generate "auth.$domain"
ln -sf "/var/lib/prosody/auth.$domain.key" "/etc/prosody/certs/auth.$domain.key"
ln -sf "/var/lib/prosody/auth.$domain.crt" "/etc/prosody/certs/auth.$domain.crt"
ln -sf "/var/lib/prosody/auth.$domain.crt" "/usr/local/share/ca-certificates/auth.$domain.crt"

update-ca-certificates -f

ynh_systemd_action --service_name="prosody" --action="restart"

prosodyctl register "$focus_user" "auth.$domain" "$focus_password"
prosodyctl register "$videobridge_user" "auth.$domain" "$videobridge_secret"
prosodyctl mod_roster_command subscribe "$focus_user.$domain" "$focus_user@auth.$domain"

#=================================================
# CONFIGURE JITSI-VIDEOBRIDGE
#=================================================
ynh_script_progression --message="Configuring Jitsi-Videobridge..." --weight=1

public_ipv4="$(curl --no-progress-meter ip.yunohost.org)" || true
private_ipv4="$(ip route get 1 | sed -n 's/^.*src \([0-9.]*\) .*$/\1/p')" || true

mkdir -p "/etc/$app/videobridge"

ynh_add_config --template="jitsi-videobridge-callstats-java-sdk.properties" --destination="/etc/$app/videobridge/callstats-java-sdk.properties"
ynh_add_config --template="jitsi-videobridge-jvb.conf" --destination="/etc/$app/videobridge/jvb.conf"
ynh_add_config --template="jitsi-videobridge-logging.properties" --destination="/etc/$app/videobridge/logging.properties"
ynh_add_config --template="jitsi-videobridge-sip-communicator.properties" --destination="/etc/$app/videobridge/sip-communicator.properties"
ynh_add_config --template="jitsi-videobridge.config" --destination="/etc/$app/videobridge/config"

#=================================================
# CONFIGURE JITSI-JICOFO
#=================================================
ynh_script_progression --message="Configuring Jitsi-Jicofo..." --weight=1

mkdir -p "/etc/$app/jicofo"

ynh_add_config --template="jitsi-jicofo-config" --destination="/etc/$app/jicofo/config"
ynh_add_config --template="jitsi-jicofo-jicofo.conf" --destination="/etc/$app/jicofo/jicofo.conf"
ynh_add_config --template="jitsi-jicofo-logging.properties" --destination="/etc/$app/jicofo/logging.properties"

#=================================================
# CONFIGURE JITSI-MEET
#=================================================
ynh_script_progression --message="Configuring Jitsi-Meet..." --weight=1

mkdir -p "/etc/$app/meet"

ynh_add_config --template="jitsi-meet-config.js" --destination="/etc/$app/meet/$domain-config.js"
chmod 644 "/etc/$app/meet/$domain-config.js"

#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================
ynh_script_progression --message="Securing files and directories..." --weight=1

# Set permissions to app files
chown -R "$app:" "/etc/$app"

#=================================================
# SYSTEM CONFIGURATION
#=================================================
ynh_script_progression --message="Adding system configurations related to $app..." --weight=1

# Create a dedicated NGINX config
ynh_add_nginx_config

# Create a dedicated systemd config
ynh_add_systemd_config --service="$app-videobridge" --template="jitsi-videobridge.service"
yunohost service add "$app-videobridge" --log "/var/log/$app/$app-videobridge.log" --needs_exposed_ports "$port" "$port_videobridge"

ynh_add_systemd_config --service="$app-jicofo" --template="jitsi-jicofo.service"
yunohost service add "$app-jicofo" --log "/var/log/$app/$app-jicofo.log"

# Use logrotate to manage application logfile(s)
ynh_use_logrotate

chown -R "$app:" "/var/log/$app"
chmod -R 770 "/var/log/$app"

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

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

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

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