#!/usr/bin/env bash

usage() {
  echo "Usage : r3 <task> <container>"
}

cleanup() {

  LAST_ERROR=$?

  if [ "${LAST_ERROR}" = 1 ] ;
  then
    usage
  fi

  if [ "${LAST_ERROR}" = 2 ] ;
  then
    echo "You do not appear to have a proper install path - please navigate to the r3-cloud folder and run './install.sh --full'"
  fi

  if [ "${LAST_ERROR}" = 3 ] ;
  then
    echo "You do not appear to have a proper lib path - did you clone the project correctly?"
  fi


  cd "${CWD}" 2>&1 || exit
}

R3_INSTALL_PATH=/usr/share/cybafelo/r3/r3-cloud
R3_V2_LIB_PATH=r3-libs/r3-v2/
R3_V2_SRC_PATH=/r3-libs/r3-v2/src

R3_FOLDER="${R3_INSTALL_PATH}${R3_V2_SRC_PATH}/r3/"
TEMPLATE_FOLDER="${R3_INSTALL_PATH}${R3_V2_SRC_PATH}/templates/"

CWD=$(pwd)

TASK=$1
ARG1=$2
ARG2=$3
ARG3=$4
ARG4=$5
ARG5=$6

trap cleanup EXIT

cd "${R3_INSTALL_PATH}" 2>&1 || exit 2

if [ "${TASK}" = 'create' ];
then
    CLASS_NAME=$ARG1
    TEMPLATE="${ARG2}.template"
    EXTEND_CLASS="${ARG3}"
    EXTEND_CLASS_FILE_NAME="r3$(echo "${EXTEND_CLASS}" | sed 's/\([A-Z]\)/-\1/g' |  awk '{print tolower($0)}').js"
    FILE_NAME="r3$(echo "${CLASS_NAME}" | sed 's/\([A-Z]\)/-\1/g' |  awk '{print tolower($0)}').js"

    echo "${CLASS_NAME}"
    echo "${TEMPLATE}"
    echo "${EXTEND_CLASS}"
    echo "${FILE_NAME}"

    cp "${TEMPLATE_FOLDER}${TEMPLATE}" "${R3_FOLDER}${FILE_NAME}"

    sed -i "s/CLASS_NAME/${CLASS_NAME}/g" "${R3_FOLDER}${FILE_NAME}"
    sed -i "s/EXTEND_CLASS_FILE_NAME/${EXTEND_CLASS_FILE_NAME}/g" "${R3_FOLDER}${FILE_NAME}"
    sed -i "s/EXTEND_CLASS/${EXTEND_CLASS}/g" "${R3_FOLDER}${FILE_NAME}"

    CONTENTS=$(cat "${TEMPLATE_FOLDER}create_instance_before.template")
    perl -i -pe "BEGIN{undef $/;} s/\/\/CREATE_INSTANCE_BEFORE_START.*\/\/CREATE_INSTANCE_BEFORE_END/\/\/CREATE_INSTANCE_BEFORE_START\n${CONTENTS}\n\t\t\/\/CREATE_INSTANCE_BEFORE_END/smg" "${R3_FOLDER}${FILE_NAME}"

    CONTENTS=$(cat "${TEMPLATE_FOLDER}create_instance_after.template")
    perl -i -pe "BEGIN{undef $/;} s/\/\/CREATE_INSTANCE_AFTER_START.*\/\/CREATE_INSTANCE_AFTER_END/\/\/CREATE_INSTANCE_AFTER_START\n${CONTENTS}\n\t\t\/\/CREATE_INSTANCE_AFTER_END/smg" "${R3_FOLDER}${FILE_NAME}"

    echo "Created class ${R3_FOLDER}${FILE_NAME}"

    cd "${R3_V2_LIB_PATH}" 2>&1 || exit 3

    ./build_events.php

    cd - 2>&1 || exit 3

    set -o xtrace

    CONTENTS=$(cat "${R3_FOLDER}events-generated")
    perl -i -pe "BEGIN{undef $/;} s/\/\/EVENT_GENERATED_START.*\/\/EVENT_GENERATED_END/\/\/EVENT_GENERATED_START\n${CONTENTS}\n\/\/EVENT_GENERATED_END/smg" "${R3_FOLDER}r3-event.js"
    rm "${R3_FOLDER}events-generated"

    exit 0
fi

# shellcheck disable=SC2086
docker-compose $TASK $ARG1 $ARG2 $ARG3 $ARG4 $ARG5