#!/bin/bash
# Pull files from repo/hytale-server/src into vendor/hytale-server/src
# Only overrides files that exist in both locations

set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
HYTALE_SERVER_ROOT="$(dirname "$SCRIPT_DIR")"
PROJECT_ROOT="$(dirname "$(dirname "$HYTALE_SERVER_ROOT")")"

SRC_DIR="$HYTALE_SERVER_ROOT/src"
REPO_SRC="$PROJECT_ROOT/repo/hytale-server/src"

if [ ! -d "$SRC_DIR" ]; then
    echo "Error: src does not exist"
    exit 1
fi

if [ ! -d "$REPO_SRC" ]; then
    echo "Error: repo/hytale-server/src does not exist"
    exit 1
fi

count=0

# Find all files in src
while IFS= read -r -d '' file; do
    # Get relative path from SRC_DIR
    rel_path="${file#$SRC_DIR/}"
    
    # Check if corresponding file exists in repo
    repo_file="$REPO_SRC/$rel_path"
    
    if [ -f "$repo_file" ]; then
        cp "$repo_file" "$file"
        echo "Updated: $rel_path"
        count=$((count + 1))
    fi
done < <(find "$SRC_DIR" -type f -print0)

echo ""
echo "Done. Updated $count file(s)."