#!/usr/bin/env bash

set -euo pipefail

echo "Script started with $# arguments"
echo "Arguments: $*"
echo "Script location: $(dirname "$0")"

cd "$(dirname "$0")/.."
echo "Changed to directory: $(pwd)"

if [ $# -eq 0 ]; then
    echo "Usage: $0 <file-with-paths> [additional-formatter-args...]"
    echo "The file should contain one file path per line"
    exit 1
fi

FILE_LIST="$1"

echo "Looking for file: $FILE_LIST"

if [ ! -f "$FILE_LIST" ]; then
    echo "Error: File '$FILE_LIST' not found"
    exit 1
fi

if ! command -v ktfmt &> /dev/null; then
    echo "Error: ktfmt not found"
    exit 1
fi

# Process Kotlin files
echo "==> Looking for Kotlin files"
kt_files=$(grep -E '\.kt$' "$FILE_LIST" | grep -v './buildSrc/build/' || true)
echo "==> Done looking for Kotlin files"

if [[ -n "$kt_files" ]]; then
    echo "==> will format Kotlin files"
    echo "$kt_files" | tr '\n' '\0' | xargs -0 ktfmt --kotlinlang-style "$@"
else
    echo "No Kotlin files to format -- expected outcome during incremental formatting"
fi

# TODO(mbudayr): support palantir-java-format
# Process Java files
# grep -E '\.java$' "$FILE_LIST" | grep -v './buildSrc/build/' | tr '\n' '\0' | xargs -0 -r palantir-java-format --palantir --replace "$@"