"""Configuration settings for the PDF Musical Score Cleaner."""

import os
import multiprocessing

# Number of parallel processes to use for operations that support parallelization
# Defaults to number of CPU cores - 1, but never less than 1
DEFAULT_PARALLEL_PROCESSES = max(1, multiprocessing.cpu_count() - 1)

# Can be overridden by environment variable
PARALLEL_PROCESSES = int(os.getenv('NOTES_CLEANER_PARALLEL_PROCESSES', DEFAULT_PARALLEL_PROCESSES))

# Optimization settings
OPTIPNG_OPTIMIZATION_LEVEL = int(os.getenv('NOTES_CLEANER_OPTIPNG_LEVEL', '7'))  # 0-7, higher = better compression but slower
TRIM_PADDING_PIXELS = int(os.getenv('NOTES_CLEANER_TRIM_PADDING', '20'))  # Padding around content after trimming

# Temporary directory settings
TEMP_DIR_PREFIX = 'notes_cleaner_'