package.sh

#! /bin/bash

# Script to zip the rule files for a single scheme, storing the results in 
# the zip folder. It also creates an index.txt file and updates the servers.txt
# file in the zip folder. Will overwrite existing files. Call with a single 
# argument of the scheme abbreviation.

SCHEMES=(BMIG BC DRN ERS GBRS LBRS OBIRS PRS TRS UKLS)

DIRECTORIES=( \
  "British Myriapod and Isopod Group" \
  "Butterfly Conservation" \
  "Dragonfly Recording Scheme" \
  "Ephemeroptera Recording Scheme" \
  "Ground Beetle Recording Scheme" \
  "Larger Brachycera Recording Scheme" \
  "Orthopteroids of the British Isles Recording Scheme" \
  "Plecoptera Recording Scheme" \
  "Trichoptera Recording Scheme" \
  "UK Ladybird Survey" \
)

# Ensure scheme is passed as argument
if [ -z $1 ]; then
  echo "Call script with a scheme abbreviation as an argument."
  exit
fi

# Convert to uppercase
SCHEME=$(echo "$1" | tr [:lower:] [:upper:])

# Find index of entered scheme in array to obtain corresponding folder.
for i in ${!SCHEMES[@]}; do
  if [ "$SCHEME" = "${SCHEMES[$i]}" ]; then
    DIRECTORY="${DIRECTORIES[$i]}"
    break
  fi
done

# Package the entered scheme.
if [ "$DIRECTORY" ]; then
  # Ensure folder exists.
  mkdir -p "zip/$SCHEME"
  # Remove old files
  rm "zip/$SCHEME/"* -f

  # Make zip files.
  cd "rules/$DIRECTORY"
  ./package.sh
  cd ../..
  echo "Zipped $SCHEME"

  # Update index.txt
  cp "rules/$DIRECTORY/index.txt" "zip/$SCHEME"
  # Set default basepath if not set in environment.
  if [ -z "$BASEPATH" ]; then
    BASEPATH="http://localhost:8080"
  fi
  # Get date
  DATE=$(date +%d/%m/%Y)
  # Substitute template values using @ as separator since basepath contains '/'.
  sed -i "s@<basepath>@$BASEPATH@; s@<date>@$DATE@" "zip/$SCHEME/index.txt"

  # Update servers.txt
  PATTERN="<basepath>/$SCHEME/"
  # Get the line starting with pattern and substitute template values.
  INDEX=$(sed -n "\@^$PATTERN@ {s@<basepath>@$BASEPATH@; s@<date>@$DATE@; p}" rules/servers.txt)
  # Remove old index version if present.
  if [ -f zip/servers.txt ]; then
    PATTERN="/$SCHEME/"
    sed -i "\@$PATTERN@d" zip/servers.txt
  fi
  # Append new version.
  echo "$INDEX" >> zip/servers.txt
else
  echo "Unknown scheme: $SCHEME"
fi