#!/bin/bash
# Entrypoint script for YouTube Sync Docker container

set -e

echo "=========================================="
echo "YouTube Channel Sync Docker"
echo "=========================================="
echo "Download Directory: $DOWNLOAD_DIR"
echo "Config Directory: $CONFIG_DIR"
echo "Sync Schedule: $SYNC_SCHEDULE"
echo "Max Quality: ${MAX_QUALITY}p"
echo "Sleep Interval: ${SLEEP_INTERVAL}s"
echo "Timezone: $TZ"
echo "=========================================="

# Create example channels file if it doesn't exist
if [ ! -f "$CONFIG_DIR/channels.txt" ]; then
    echo "[INFO] Creating example channels.txt..."
    cat > "$CONFIG_DIR/channels.txt" << 'EOF'
# YouTube Channel Configuration
# Format: CHANNEL_ID|Channel Name
# One channel per line. Lines starting with # are ignored.
#
# Examples:
# UCfDNi1aEljAQ17mUrfUjkvg|Alton Brown
# UCoq2qlWgvvKJzW_hBkLIE8w|Flavour Trip
#
# To find a channel ID:
# 1. Go to the channel's main page
# 2. View page source (Ctrl+U or Cmd+U)
# 3. Search for "channelId" or look in the URL
EOF
fi

# Set up cron job if SYNC_SCHEDULE is provided
if [ "$SYNC_SCHEDULE" != "manual" ]; then
    echo "[INFO] Setting up cron schedule: $SYNC_SCHEDULE"
    echo "$SYNC_SCHEDULE /app/sync.sh >> /var/log/youtube-sync.log 2>&1" > /etc/crontabs/root

    # Start crond in the background
    crond -f -l 2 &
    CRON_PID=$!
    echo "[INFO] Cron daemon started (PID: $CRON_PID)"

    # Run initial sync
    echo "[INFO] Running initial sync..."
    /app/sync.sh || true

    # Keep container running and monitor cron
    echo "[INFO] Container ready. Watching for scheduled syncs..."
    wait $CRON_PID
else
    echo "[INFO] Manual mode enabled. Running sync once..."
    /app/sync.sh
fi