#!/bin/bash

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

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

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

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

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

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

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

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

# Config panel
startaudioonly="false"
ynh_app_setting_set --key=startaudioonly --value="$startaudioonly"
localrecording_disable="false"
ynh_app_setting_set --key=localrecording_disable --value="$localrecording_disable"
localrecording_disableselfrecording="false"
ynh_app_setting_set --key=localrecording_disableselfrecording --value="$localrecording_disableselfrecording"
p2p_enabled="true"
ynh_app_setting_set --key=p2p_enabled --value="$p2p_enabled"
p2p_stunservers="stun:meet-jit-si-turnrelay.jitsi.net:443"
ynh_app_setting_set --key=p2p_stunservers --value="$p2p_stunservers"
etherpad_base=""
ynh_app_setting_set --key=etherpad_base --value="$etherpad_base"
etherpad_openshareddocumentonjoin="false"
ynh_app_setting_set --key=etherpad_openshareddocumentonjoin --value="$etherpad_openshareddocumentonjoin"
whiteboard_enabled="false"
ynh_app_setting_set --key=whiteboard_enabled --value="$whiteboard_enabled"
whiteboard_collabserverbaseurl=""
ynh_app_setting_set --key=whiteboard_collabserverbaseurl --value="$whiteboard_collabserverbaseurl"
whiteboard_userlimit=25
ynh_app_setting_set --key=whiteboard_userlimit --value="$whiteboard_userlimit"


#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression "Configuring system user..."

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

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

_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 "Configuring jniwrapper for armhf..."
    ynh_jniwrapper_armhf
fi

#=================================================
# SPECIFIC SETUP
#=================================================
# CONFIGURE PROSODY
#=================================================
ynh_script_progression "Configuring prosody..."

ynh_config_add --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_hide_warnings 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_hide_warnings 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_systemctl --service="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 "Configuring Jitsi-Videobridge..."

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

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

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

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

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

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

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

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

ynh_config_add --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 "Securing files and directories..."

chown -R "$app:" "/etc/$app"

#=================================================
# SYSTEM CONFIGURATION
#=================================================
ynh_script_progression "Adding system configurations related to $app..."

ynh_config_add_nginx

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

ynh_config_add_logrotate

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression "Starting $app's systemd service..."

ynh_systemctl --service="$app-jicofo" --action="start" --log_path="/var/log/$app/$app-jicofo.log"
ynh_systemctl --service="$app-videobridge" --action="start" --log_path="/var/log/$app/$app-videobridge.log"

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

ynh_script_progression "Installation of $app completed"