#!/bin/bash

# Variablen definieren
INPUT_FILE=$1
OUTPUT_FILE=$2
SPACES_PER_LEVEL=4
LIST_INDENTATION=2
HEADER_LEVELS=3

sed 's/\t/    /g' "$INPUT_FILE" > temp_processed.txt

awk -v spaces_per_level=$SPACES_PER_LEVEL -v list_indentation=$LIST_INDENTATION -v header_levels=$HEADER_LEVELS '
{
    match($0, /^ */)
    total_spaces = RLENGTH
    level = int(total_spaces / spaces_per_level)

    # Überschriften (bis zur angegebenen Ebene)
    if (level <= header_levels) {
        hashtags = ""
        for (i = 0; i <= level; i++) {
            hashtags = hashtags "#"
        }
        $0 = hashtags " " substr($0, total_spaces + 1)
    }
    # Listen (ab der nächsten Ebene)
    else {
        list_level = level - header_levels - 1
        # Anpassung der Einrückung basierend auf LIST_INDENTATION
        adjusted_indent = ""
        for (i = 0; i < list_indentation * list_level; i++) {
            adjusted_indent = adjusted_indent " "
        }
        $0 = adjusted_indent "- " substr($0, total_spaces + 1)
    }
    
    print
}' temp_processed.txt > "$OUTPUT_FILE"

rm temp_processed.txt