#!/bin/bash

set -e

INPUT="$1"

if [ -z "$INPUT" ]; then
    echo "Usage: $0 main.tex"
    exit 1
fi

if [ ! -f "$INPUT" ]; then
    echo "ERROR: File not found: $INPUT"
    exit 1
fi

BASENAME="${INPUT%.tex}"
OUTPUT="${BASENAME}.epub"

echo "Converting:"
echo "  $INPUT"
echo "to:"
echo "  $OUTPUT"

pandoc \
    --from=latex \
    --to=epub3 \
    --metadata-file=epub.yaml \
    --resource-path=".:$(dirname "$INPUT")" \
    "$INPUT" \
    -o "$OUTPUT"

echo "Done: $OUTPUT"