#!/bin/bash

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

#Keep this path for calling _common.sh inside the execution's context of backup and restore scripts
source ../settings/scripts/_common.sh
source /usr/share/yunohost/helpers

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

ynh_clean_setup () {
	#### Remove this function if there's nothing to clean before calling the remove script.
	ynh_clean_check_starting
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading settings..." --weight=1

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get --app="$app" --key=domain)
path_url=$(ynh_app_setting_get --app="$app" --key=path)
final_path=$(ynh_app_setting_get --app="$app" --key=final_path)

#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================
ynh_script_progression --message="Validating restoration parameters..." --weight=2

ynh_webpath_available --domain="$domain" --path_url="$path_url" \
	|| ynh_die --message="Path not available: ${domain}${path_url}"
test ! -d "$final_path" \
	|| ynh_die --message="There is already a directory: $final_path "
test ! -d "/var/lib/jellyfin" \
         || ynh_die --message="There is already a directory: /var/lib/jellyfin "

architecture=$(dpkg --print-architecture)
if [[ ! "$architecture" =~ ^(amd64|arm64|armhf)$ ]]; then
    ynh_die "Jellyfin is not compatible with your architecture, $architecture, which is neither amd64, arm64, or armhf." 1
fi

#=================================================
# STANDARD RESTORATION STEPS
#=================================================
# RESTORE THE NGINX CONFIGURATION
#=================================================

ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"

#=================================================
# RESTORE THE APP MAIN DIR
#=================================================
ynh_script_progression --message="Restoring the app main directory..." --weight=2

ynh_restore_file --origin_path="$final_path"
ynh_restore_file --origin_path="/var/lib/jellyfin"

#=================================================
# RECREATE THE DEDICATED USER
#=================================================
ynh_script_progression --message="Recreating the dedicated system user..." --weight=1

# Create the dedicated user (if not existing)
ynh_system_user_create --username="$app"

#=================================================
# RESTORE USER RIGHTS
#=================================================

# Restore permissions on app files
chown -R $app: $final_path
chown -R $app: /var/lib/jellyfin

#=================================================
# SPECIFIC RESTORATION
#=================================================
# REINSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Reinstalling dependencies..." --weight=7

# Prepare the source files (replace the placeholders with version, architecture, etc.
ynh_add_config --template="../conf/ffmpeg.src.default" --destination="../conf/ffmpeg.src"
ynh_add_config --template="../conf/server.src.default" --destination="../conf/server.src"
ynh_add_config --template="../conf/web.src.default" --destination="../conf/web.src"

# Create the temporary directory
tempdir="$(mktemp -d)"

# Download the deb files
ynh_setup_source_2 --dest_dir=$tempdir --source_id=ffmpeg
ynh_setup_source_2 --dest_dir=$tempdir --source_id=server
ynh_setup_source_2 --dest_dir=$tempdir --source_id=web

# Install the packages
ynh_exec_warn_less apt install $tempdir/jellyfin-ffmpeg.deb
ynh_exec_warn_less apt install $tempdir/jellyfin-server.deb
ynh_exec_warn_less apt install $tempdir/jellyfin-web.deb

#=================================================
# RESTORE SYSTEMD
#=================================================
ynh_script_progression --message="Restoring the systemd configuration..." --weight=2

ynh_restore_file --origin_path="/lib/systemd/system/jellyfin.service" --not_mandatory
ynh_restore_file --origin_path="/usr/lib/systemd/system/jellyfin.service" --not_mandatory
ynh_restore_file --origin_path="/etc/systemd/system/jellyfin.service.d"
systemctl enable $app.service --quiet

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

yunohost service add $app --description="Jellyfin media center" --log="/var/log/$app/$app.log"

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

ynh_systemd_action --service_name=$app --action="restart" --log_path="systemd" --line_match="Startup complete"

#=================================================
# RESTORE THE LOGROTATE CONFIGURATION
#=================================================

ynh_restore_file --origin_path="/etc/logrotate.d/$app"

#=================================================
# GENERIC FINALIZATION
#=================================================
# RELOAD NGINX AND PHP-FPM
#=================================================
ynh_script_progression --message="Reloading NGINX web server..." --weight=1

ynh_systemd_action --service_name=nginx --action=reload

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

ynh_script_progression --message="Restoration completed for $app" --last