#!/usr/bin/env bash

set -euo pipefail

REMOTE_HOST="aynish@talos.feralhosting.com"
REMOTE_PATH="private/transmission/data/tv-sonarr/"
LOCAL_PATH="/tank/media/tv"
TRACKING_FILE="/tank/media/tv/.downloaded_shows"
LOG_FILE="/tank/media/tv/download-log"

# Create local directory and tracking file if they don't exist
mkdir -p "$LOCAL_PATH"
touch "$TRACKING_FILE"

# Get list of shows on remote server
echo "$(date): Checking for new TV shows on seedbox..." >>"$LOG_FILE"
REMOTE_SHOWS=$(rsync --dry-run --list-only "$REMOTE_HOST:$REMOTE_PATH" | grep '^d' | awk '{$1=$2=$3=$4=""; sub(/^ +/, ""); print}' | grep -v '^\.') || true

if [ -z "$REMOTE_SHOWS" ]; then
	echo "$(date): No shows found on remote server" >>"$LOG_FILE"
	exit 0
fi

# Check each show against tracking file
NEW_SHOWS=""
while IFS= read -r show; do
	if [ -n "$show" ] && ! grep -qF "$show" "$TRACKING_FILE"; then
		NEW_SHOWS="$NEW_SHOWS$show\n"
		echo "$(date): Found new show: $show" >>"$LOG_FILE"
	fi
done <<<"$REMOTE_SHOWS"

if [ -z "$NEW_SHOWS" ]; then
	echo "$(date): No new shows to download" >>"$LOG_FILE"
	exit 0
fi

# Download new shows only
echo "$(date): Starting download of new shows..." >>"$LOG_FILE"
while IFS= read -r show; do
	if [ -n "$show" ]; then
		echo "$(date): Downloading $show" >>"$LOG_FILE"
		# Set umask to allow group read/write access for Jellyfin
		umask 002
		if rsync -r --log-file="$LOG_FILE" "$REMOTE_HOST:$REMOTE_PATH$show/" "$LOCAL_PATH/$show/"; then
			echo "$show" >>"$TRACKING_FILE"
			echo "$(date): Successfully downloaded $show" >>"$LOG_FILE"
		else
			echo "$(date): Failed to download $show" >>"$LOG_FILE"
		fi
	fi
done <<<"$(echo -e "$NEW_SHOWS")"

# Trigger Jellyfin library scan
echo "$(date): Triggering Jellyfin library refresh..." >>"$LOG_FILE"
if curl -s -X POST "http://localhost:8096/Library/Refresh" \
	-H "X-Emby-Token: aef1b1e0cd5445dc97b755ef8c6224e5"; then
	echo "$(date): Jellyfin library refresh triggered" >>"$LOG_FILE"
else
	echo "$(date): Failed to trigger Jellyfin library refresh" >>"$LOG_FILE"
fi

echo "$(date): TV sync completed" >>"$LOG_FILE"