#!/bin/bash

# Check if mkvpropedit is installed
if ! command -v mkvpropedit &> /dev/null; then
    echo "Error: mkvpropedit is not installed. Install mkvtoolnix package."
    exit 1
fi

# Check if a directory is provided
if [ "$#" -ne 1 ]; then
    echo "Usage: $0 <directory>"
    exit 1
fi

DIRECTORY="$1"

# Check if directory exists
if [ ! -d "$DIRECTORY" ]; then
    echo "Error: Directory '$DIRECTORY' not found."
    exit 1
fi

# Find and process all .mkv files in the directory
find "$DIRECTORY" -type f -name "*.mkv" | while read -r MKV_FILE; do
    echo "Processing: $MKV_FILE"
    mkvpropedit "$MKV_FILE" --attachment-mime-type "application/x-font-otf" --update-attachment "mime-type:application/vnd.ms-opentype"
    mkvpropedit "$MKV_FILE" --attachment-mime-type "application/x-font-otf" --update-attachment "mime-type:font/otf"
    mkvpropedit "$MKV_FILE" --attachment-mime-type "application/x-font-ttf" --update-attachment "mime-type:font/ttf"
done

echo "All applicable MKV files updated successfully."