# Watch and upload script for core assets
# Install: brew install fswatch
# This script monitors the public folder for changes, rebuilds assets, and uploads them to the server

set -e

# Local paths
LOCAL_PUBLIC="./public"
LOCAL_MANIFEST="./mix-manifest.json"

# Colors for output
GREEN='\033[0;32m'
BLUE='\033[0;34m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color

# Trap to kill background processes on script exit
trap cleanup EXIT INT TERM

cleanup() {
    echo "${YELLOW}Cleaning up...${NC}"
    if [ ! -z "$BUN_PID" ]; then
        echo "Killing bun watch process..."
        kill $BUN_PID 2>/dev/null || true
        wait $BUN_PID 2>/dev/null || true
    fi
    if [ ! -z "$RSYNC_PID" ]; then
        kill $RSYNC_PID 2>/dev/null || true
    fi
    echo "${GREEN}Cleanup complete${NC}"
}

# Function to upload changes
upload_changes() {
    echo "${BLUE}=== Starting upload cycle ===${NC}"

    # Sync public folder (js, css, images, etc.)
    echo "Syncing public folder..."
    sshpass -p "$SERVER_PASSWORD" rsync -avz --progress \
      --exclude 'storage' \
      --exclude '.htaccess' \
      "$LOCAL_PUBLIC/" "$SERVER_USER@$SERVER_HOST:$SERVER_PATHpublic/"

    # Upload mix-manifest.json specifically
    echo "Uploading mix-manifest.json..."
    sshpass -p "$SERVER_PASSWORD" scp "$LOCAL_MANIFEST" \
      "$SERVER_USER@$SERVER_HOST:$SERVER_PATH/mix-manifest.json"

    echo "${GREEN}Upload complete!${NC}"
}

# Clear screen
clear

# Start bun run watch in background
echo "${BLUE}Starting bun watch...${NC}"
bun run watch &
BUN_PID=$!
echo "${GREEN}Bun watch started (PID: $BUN_PID)${NC}"
echo ""

# Wait a moment for the initial build
sleep 2

# Initial upload
echo "${BLUE}Performing initial upload...${NC}"
upload_changes
echo ""

# Watch for changes in public folder
echo "${BLUE}Watching for changes in $LOCAL_PUBLIC...${NC}"
echo "Press Ctrl+C to stop watching and exit"
echo ""

fswatch -o "$LOCAL_PUBLIC" | while read num; do
    # Kill previous pending upload
    if [ ! -z "$UPLOAD_PID" ]; then
        kill $UPLOAD_PID 2>/dev/null || true
        wait $UPLOAD_PID 2>/dev/null || true
    fi

    # Schedule upload after 0.5 seconds of no changes
    (sleep 0.5 && upload_changes) &
    UPLOAD_PID=$!
done