#!/bin/bash

HEADER_KEY="THIS HEADER IS AUTOGENERATED. DO NOT MODIFY MANUALLY."
HEADER="/** $HEADER_KEY For any changes, please update the '/openvidu-meet/types' directory. */"
SOURCE_DIR="src"

FRONTEND_DIR="../frontend/projects/shared-meet-components/src/lib/typings/ce"
BACKEND_DIR="../backend/src/typings/ce"
TYPES_DIR="../../openvidu-meet-pro/types/src/ce"

add_headers() {
  find "$SOURCE_DIR" -type f -name "*.ts" | while IFS= read -r file; do
    if ! grep -qF "$HEADER_KEY" "$file"; then
      printf "%s\n\n%s" "$HEADER" "$(cat "$file")" > "${file}.tmp" && mv "${file}.tmp" "$file"
    fi
  done
}

remove_headers() {
  find "$SOURCE_DIR" -type f -name "*.ts" | while IFS= read -r file; do
    if grep -qF "$HEADER_KEY" "$file"; then
      awk -v header_key="$HEADER_KEY" '
        BEGIN { skip = 0 }
        {
          if (skip) {
            if ($0 ~ /^$/) { skip = 0 }
            next
          }
          if ($0 ~ /^\/\*\* .*'"$HEADER_KEY"'.*\*\/$/) {
            skip = 1
            next
          }
          print
        }
      ' "$file" > "${file}.tmp" && mv "${file}.tmp" "$file"
    fi
  done
}

if [[ $1 == "ce" ]]; then
    TARGET_DIRS=("$FRONTEND_DIR" "$BACKEND_DIR")
elif [[ $1 == "pro" ]]; then
  TARGET_DIRS=("$TYPES_DIR")
else
  echo "No argument provided. Copying to both CE and PRO"
  TARGET_DIRS=("$FRONTEND_DIR" "$BACKEND_DIR" "$TYPES_DIR")
fi


echo "Adding autogenerated comments to files..."
add_headers


echo "Copying files to target directories..."
for TARGET_DIR in "${TARGET_DIRS[@]}"; do
  mkdir -p "$TARGET_DIR"
  cp -rT "$SOURCE_DIR" "$TARGET_DIR"
done

echo "Restoring original files..."
remove_headers

echo "Types have been synced successfully."