#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================
source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading installation settings..." --weight=2

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get --app=$app --key=domain)
path_url=$(ynh_app_setting_get --app=$app --key=path)
superuser=$(ynh_app_setting_get --app=$app --key=superuser)
password=$(ynh_app_setting_get --app=$app --key=password)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
port=$(ynh_app_setting_get --app=$app --key=port)
stream_port=$(ynh_app_setting_get --app=$app --key=stream_port)

#=================================================
# CHECK VERSION
#=================================================
upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================
ynh_script_progression --message="Backing up Tvheadend before upgrading (may take a while)..." --weight=4

# Backup the current version of the app
ynh_backup_before_upgrade
ynh_clean_setup () {
    # restore it if the upgrade fails
    ynh_restore_upgradebackup
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# STOP SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Stopping Tvheadend service..." --weight=3

ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app.log"

#=================================================
# UPGRADE DEPENDENCIES
#=================================================
ynh_script_progression --message="Upgrading dependencies..." --weight=15

if [ -n "$(uname -m | grep arm)" ]
then
    ynh_install_app_dependencies $pkg_dependencies_rb
else
    ynh_install_app_dependencies $pkg_dependencies_x86
fi

#=================================================
# UPGRADE TVHEADEND DEB PACKAGE
#=================================================
if [ "$upgrade_type" == "UPGRADE_APP" ]
then
    #=================================================
    # DOWNLOAD TVHEADEND DEB PACKAGE
    #=================================================
    ynh_script_progression --message="Downloading Tvheadend..." --weight=5

    temp_folder="$(mktemp -d)"
    tvheadend_deb_dst="$temp_folder/tvheadend_deb.deb"
    tvheadend_deb_url=""

    if [ -n "$(uname -m | grep arm)" ]
    then
        tvheadend_deb_url="$tvheadend_deb_arm"
    elif [ -n "$(uname -m | grep x86_64)" ]
    then
        tvheadend_deb_url="$tvheadend_deb_x86_64"
    else
        tvheadend_deb_url="$tvheadend_deb_x86_32"
    fi

    ynh_exec_quiet "wget -q -O $tvheadend_deb_dst $tvheadend_deb_url"

    #=================================================
    # INSTALL TVHEADEND DEB PACKAGE
    #=================================================
    ynh_script_progression --message="Upgrading Tvheadend..." --weight=24

    ynh_exec_warn_less dpkg --force-confold -i $tvheadend_deb_dst

    ynh_secure_remove --file="$temp_folder"

    # The deb install automatically create the hts system user

    # Tvheadend automatically start after install
    # we stop it before the configuration
    ynh_systemd_action --service_name=$app --action="stop"

    # Deb install seems to remove the superuser config, let's restore it
    # Copy and modify /home/hts/.hts/tvheadend/superuser
    cp ../conf/superuser $final_path/.hts/tvheadend/superuser
    ynh_replace_string --match_string="__SUPERUSER__" --replace_string="$superuser" --target_file="$final_path/.hts/tvheadend/superuser"
    ynh_replace_string --match_string="__PASSWORD__" --replace_string="$password" --target_file="$final_path/.hts/tvheadend/superuser"
    ynh_store_file_checksum --file="$final_path/.hts/tvheadend/superuser"

fi

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

ynh_app_setting_set --app=$app --key=skipped_uris --value="/"

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..." --weight=1

ynh_systemd_action --service_name=nginx --action=reload

#=================================================
# PREVENT TVHEADEND BEING UPGRADED THROUGHT APT
#=================================================
apt-mark hold tvheadend

#=================================================
# START TVHEADEND SERVICE
#=================================================
ynh_script_progression --message="Starting Tvheadend service..." --weight=1

ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app.log"

#=================================================
# END OF SCRIPT
#=================================================
ynh_script_progression --message="Upgrade of Tvheadend completed, HTTP port is $port and HTSP port is $stream_port" --last