#!/bin/bash

set -e  # Abort on error

# Configuration
export LOG_LEVEL=${LOG_LEVEL:-INFO}  # /etc/ocrd_logging.py uses this to set level for all OCR-D modules
export TEXTEQUIV_LEVEL=glyph

# Command line parameters
OPTS=`getopt -o I: --long input-file-grp:,skip-validation -- "$@"`
eval set -- "$OPTS"
INPUT_FILE_GRP=OCR-D-IMG
SKIP_VALIDATION=false
while true; do
  case "$1" in
    -I|--input-file-grp) INPUT_FILE_GRP=$2; shift 2;;
    --skip-validation) SKIP_VALIDATION=true; shift;;

    --) shift; break;;
    *) break;;
  esac
done

# Set up logging
if [ "$LOG_LEVEL" = "DEBUG" -o "$LOG_LEVEL" = "TRACE" ]; then
  set -x
fi


do_validate() {
  # Validate the workspace

  # Both ocrd_tesserocr + ocrd_calamari produce segment coordinates that are not strictly within their parent's
  # coordinates:
  #
  #     INCONSISTENCY in [...] coords [...] not within parent coords
  #
  # → --page-coordinate-consistency off
  #
  # ocrd_tesserocr sometimes produces segment text results that aren't concatenating as expected by the validator:
  #
  #     INCONSISTENCY in [...]: text results '[...]' != concatenated '[...]'
  #
  # → --page-strictness lax
  #
  validate_options='
    --skip dimension
    --skip pixel_density
    --page-strictness lax
    --page-coordinate-consistency off'
  if [ "$SKIP_VALIDATION" = false ]; then
    ocrd workspace validate $validate_options
  fi
}


main() {
  do_validate


  #ocrd-sbb-binarize --overwrite -I $INPUT_FILE_GRP -O OCR-D-IMG-BIN -P model "/var/lib/sbb_binarization"
  ocrd-olena-binarize --overwrite -I $INPUT_FILE_GRP -O OCR-D-IMG-BIN -P impl "sauvola-ms-split"
  do_validate


  #ocrd-tesserocr-segment-region --overwrite -I OCR-D-IMG-BIN -O OCR-D-SEG-REGION
  #ocrd-tesserocr-segment-line --overwrite -I OCR-D-SEG-REGION -O OCR-D-SEG-LINE
  #ocrd-cis-ocropy-segment --overwrite -I OCR-D-IMG-BIN -O OCR-D-SEG-LINE -P level-of-operation page
  #ocrd-eynollah-segment -I OCR-D-IMG -O OCR-D-SEG-LINE -P models /var/lib/eynollah
  ocrd-sbb-textline-detector --overwrite -I OCR-D-IMG-BIN -O OCR-D-SEG-LINE -P model "/var/lib/textline_detection"
  do_validate


  ocrd-calamari-recognize --overwrite -I OCR-D-SEG-LINE -O OCR-D-OCR-CALAMARI -P checkpoint "/var/lib/calamari-models/GT4HistOCR/2019-12-11T11_10+0100/*.ckpt.json" -P textequiv_level "$TEXTEQUIV_LEVEL"
  ocrd-tesserocr-recognize --overwrite -I OCR-D-SEG-LINE -O OCR-D-OCR-TESS -P model "GT4HistOCR_2000000" -P textequiv_level "$TEXTEQUIV_LEVEL"
  do_validate


  for ocr_filegrp in OCR-D-OCR-CALAMARI OCR-D-OCR-TESS; do
    if ocrd workspace list-group | grep -q OCR-D-GT-PAGE; then
      ocrd-dinglehopper --overwrite -I OCR-D-GT-PAGE,$ocr_filegrp -O $ocr_filegrp-EVAL
    fi
    ocrd-fileformat-transform --overwrite -I $ocr_filegrp -O ${ocr_filegrp}-ALTO
  done
}


if [ "$LOG_LEVEL" = "DEBUG" -o "$LOG_LEVEL" = "TRACE" ]; then
  pip list || true
fi
main


# vim:tw=120: