#!/usr/bin/env bash

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

store_history() {
  if [ "${TASK}" = 'create' ];
  then
      COMMAND=$(echo "r3 ${TASK} ${ARG1} ${ARG2} ${ARG3} ${ARG4} ${ARG5}" | sed "s/\s+/ /g" | sed "s/\s*$//")
      echo "command was : ${COMMAND}"
      if grep -q "${COMMAND}" "${R3_V2_LIB_PATH}"/.r3_history;
      then
        echo "Already found command in history"
      else
        echo "Saving command to history"
        echo "r3 ${TASK} ${ARG1} ${ARG2} ${ARG3} ${ARG4} ${ARG5}" >> "${R3_V2_LIB_PATH}"/.r3_history
      fi
  fi
}

cleanup() {

  LAST_ERROR=$?

  if [ "${LAST_ERROR}" = 0 ] ;
  then
    store_history
  fi

  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=${R3_INSTALL_PATH}/r3-libs/r3-v2
R3_V2_SRC_PATH=${R3_INSTALL_PATH}/r3-libs/r3-v2/src
R3_FOLDER="${R3_V2_SRC_PATH}/r3/"
TEMPLATE_FOLDER="${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
    FILE_NAME="r3$(echo "${CLASS_NAME}" | sed 's/\([A-Z]\)/-\1/g' |  awk '{print tolower($0)}').js"
    TEMPLATE="${ARG2}.template"

    EXTEND_CLASS=''
    EXTEND_CLASS_FILE_NAME=''

    if [ "${ARG2}" = "extends" ]; then
      EXTEND_CLASS="${ARG3}"
      EXTEND_CLASS_FILE_NAME="r3$(echo "${EXTEND_CLASS}" | sed 's/\([A-Z]\)/-\1/g' |  awk '{print tolower($0)}').js"
      echo "creating class ${CLASS_NAME} based on template ${TEMPLATE} extending ${EXTEND_CLASS} and saving to ${FILE_NAME}"
    fi

    if [ "${ARG2}" = "normal" ]; then
      echo "creating normal class ${CLASS_NAME} based on template ${TEMPLATE} and saving to ${FILE_NAME}"
    fi

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

    if [ "${EXTEND_CLASS}" = "Event" ]; then
      perl -p -i -e 's/^const Event.*\n$//' "${R3_FOLDER}${FILE_NAME}"
    fi

    if [ "${EXTEND_CLASS}" = "Utils" ]; then
      perl -p -i -e 's/^const Utils.*\n$//' "${R3_FOLDER}${FILE_NAME}"
    fi

    if [ "${CLASS_NAME}" = "Event" ]; then
      perl -p -i -e 's/^const Event.*\n$//' "${R3_FOLDER}${FILE_NAME}"
    fi

    if [ "${CLASS_NAME}" = "Utils" ]; then
      perl -p -i -e 's/^const Utils.*\n$//' "${R3_FOLDER}${FILE_NAME}"
    fi

    if [ "${ARG2}" = "extends" ]; then
      CONTENTS=$(cat "${TEMPLATE_FOLDER}constructor_extends.template" | sed -E 's/([+,/,@])/\\\1/g')
      perl -i -pe "BEGIN{undef $/;} s/\/\/CONSTRUCTOR_EXTENDS_TEMPLATE_START.*\/\/CONSTRUCTOR_EXTENDS_TEMPLATE_END/\/\/CONSTRUCTOR_EXTENDS_TEMPLATE_START\n${CONTENTS}\n\t\/\/CONSTRUCTOR_EXTENDS_TEMPLATE_END/smg" "${R3_FOLDER}${FILE_NAME}"
    fi

    if [ "${ARG2}" = "normal" ]; then
      CONTENTS=$(cat "${TEMPLATE_FOLDER}constructor.template" | sed -E 's/([+,/,@])/\\\1/g')
      perl -i -pe "BEGIN{undef $/;} s/\/\/CONSTRUCTOR_TEMPLATE_START.*\/\/CONSTRUCTOR_TEMPLATE_END/\/\/CONSTRUCTOR_TEMPLATE_START\n${CONTENTS}\n\t\/\/CONSTRUCTOR_TEMPLATE_END/smg" "${R3_FOLDER}${FILE_NAME}"
    fi

    CONTENTS=$(cat "${TEMPLATE_FOLDER}create_instance.template" | sed -E 's/([+,/,@])/\\\1/g')
    perl -i -pe "BEGIN{undef $/;} s/\/\/CREATE_INSTANCE_TEMPLATE_START.*\/\/CREATE_INSTANCE_TEMPLATE_END/\/\/CREATE_INSTANCE_TEMPLATE_START\n${CONTENTS}\n\t\/\/CREATE_INSTANCE_TEMPLATE_END/smg" "${R3_FOLDER}${FILE_NAME}"

    CONTENTS=$(cat "${TEMPLATE_FOLDER}update_instance.template" | sed -E 's/([+,/,@])/\\\1/g')
    perl -i -pe "BEGIN{undef $/;} s/\/\/UPDATE_INSTANCE_TEMPLATE_START.*\/\/UPDATE_INSTANCE_TEMPLATE_END/\/\/UPDATE_INSTANCE_TEMPLATE_START\n${CONTENTS}\n\t\/\/UPDATE_INSTANCE_TEMPLATE_END/smg" "${R3_FOLDER}${FILE_NAME}"

    CONTENTS=$(cat "${TEMPLATE_FOLDER}update_from_instance.template" | sed -E 's/([+,/,@])/\\\1/g')
    perl -i -pe "BEGIN{undef $/;} s/\/\/UPDATE_FROM_INSTANCE_TEMPLATE_START.*\/\/UPDATE_FROM_INSTANCE_TEMPLATE_END/\/\/UPDATE_FROM_INSTANCE_TEMPLATE_START\n${CONTENTS}\n\t\/\/UPDATE_FROM_INSTANCE_TEMPLATE_END/smg" "${R3_FOLDER}${FILE_NAME}"

    CONTENTS=$(cat "${TEMPLATE_FOLDER}dispose.template" | sed -E 's/([+,/,@])/\\\1/g')
    perl -i -pe "BEGIN{undef $/;} s/\/\/DISPOSE_TEMPLATE_START.*\/\/DISPOSE_TEMPLATE_END/\/\/DISPOSE_TEMPLATE_START\n${CONTENTS}\n\t\/\/DISPOSE_TEMPLATE_END/smg" "${R3_FOLDER}${FILE_NAME}"

    CONTENTS=$(cat "${TEMPLATE_FOLDER}dispose_instance.template" | sed -E 's/([+,/,@])/\\\1/g')
    perl -i -pe "BEGIN{undef $/;} s/\/\/DISPOSE_INSTANCE_TEMPLATE_START.*\/\/DISPOSE_INSTANCE_TEMPLATE_END/\/\/DISPOSE_INSTANCE_TEMPLATE_START\n${CONTENTS}\n\t\/\/DISPOSE_INSTANCE_TEMPLATE_END/smg" "${R3_FOLDER}${FILE_NAME}"

    CONTENTS=$(cat "${TEMPLATE_FOLDER}create_instance_before.template" | sed -E 's/([+,/,@])/\\\1/g')
    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" | sed -E 's/([+,/,@])/\\\1/g')
    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}"

    CONTENTS=$(cat "${TEMPLATE_FOLDER}update_instance_before.template" | sed -E 's/([+,/,@])/\\\1/g')
    perl -i -pe "BEGIN{undef $/;} s/\/\/UPDATE_INSTANCE_BEFORE_START.*\/\/UPDATE_INSTANCE_BEFORE_END/\/\/UPDATE_INSTANCE_BEFORE_START\n${CONTENTS}\n\t\t\/\/UPDATE_INSTANCE_BEFORE_END/smg" "${R3_FOLDER}${FILE_NAME}"

    CONTENTS=$(cat "${TEMPLATE_FOLDER}update_instance_after.template" | sed -E 's/([+,/,@])/\\\1/g')
    perl -i -pe "BEGIN{undef $/;} s/\/\/UPDATE_INSTANCE_AFTER_START.*\/\/UPDATE_INSTANCE_AFTER_END/\/\/UPDATE_INSTANCE_AFTER_START\n${CONTENTS}\n\t\t\/\/UPDATE_INSTANCE_AFTER_END/smg" "${R3_FOLDER}${FILE_NAME}"

    CONTENTS=$(cat "${TEMPLATE_FOLDER}update_from_instance_before.template" | sed -E 's/([+,/,@])/\\\1/g')
    perl -i -pe "BEGIN{undef $/;} s/\/\/UPDATE_FROM_INSTANCE_BEFORE_START.*\/\/UPDATE_FROM_INSTANCE_BEFORE_END/\/\/UPDATE_FROM_INSTANCE_BEFORE_START\n${CONTENTS}\n\t\t\/\/UPDATE_FROM_INSTANCE_BEFORE_END/smg" "${R3_FOLDER}${FILE_NAME}"

    CONTENTS=$(cat "${TEMPLATE_FOLDER}update_from_instance_after.template" | sed -E 's/([+,/,@])/\\\1/g')
    perl -i -pe "BEGIN{undef $/;} s/\/\/UPDATE_FROM_INSTANCE_AFTER_START.*\/\/UPDATE_FROM_INSTANCE_AFTER_END/\/\/UPDATE_FROM_INSTANCE_AFTER_START\n${CONTENTS}\n\t\t\/\/UPDATE_FROM_INSTANCE_AFTER_END/smg" "${R3_FOLDER}${FILE_NAME}"

    CONTENTS=$(cat "${TEMPLATE_FOLDER}dispose_before.template" | sed -E 's/([+,/,@])/\\\1/g')
    perl -i -pe "BEGIN{undef $/;} s/\/\/DISPOSE_BEFORE_START.*\/\/DISPOSE_BEFORE_END/\/\/DISPOSE_BEFORE_START\n${CONTENTS}\n\t\t\/\/DISPOSE_BEFORE_END/smg" "${R3_FOLDER}${FILE_NAME}"

    CONTENTS=$(cat "${TEMPLATE_FOLDER}dispose_after.template" | sed -E 's/([+,/,@])/\\\1/g')
    perl -i -pe "BEGIN{undef $/;} s/\/\/DISPOSE_AFTER_START.*\/\/DISPOSE_AFTER_END/\/\/DISPOSE_AFTER_START\n${CONTENTS}\n\t\t\/\/DISPOSE_AFTER_END/smg" "${R3_FOLDER}${FILE_NAME}"

    CONTENTS=$(cat "${TEMPLATE_FOLDER}dispose_instance_before.template" | sed -E 's/([+,/,@])/\\\1/g')
    perl -i -pe "BEGIN{undef $/;} s/\/\/DISPOSE_INSTANCE_BEFORE_START.*\/\/DISPOSE_INSTANCE_BEFORE_END/\/\/DISPOSE_INSTANCE_BEFORE_START\n${CONTENTS}\n\t\t\/\/DISPOSE_INSTANCE_BEFORE_END/smg" "${R3_FOLDER}${FILE_NAME}"

    CONTENTS=$(cat "${TEMPLATE_FOLDER}dispose_instance_after.template" | sed -E 's/([+,/,@])/\\\1/g')
    perl -i -pe "BEGIN{undef $/;} s/\/\/DISPOSE_INSTANCE_AFTER_START.*\/\/DISPOSE_INSTANCE_AFTER_END/\/\/DISPOSE_INSTANCE_AFTER_START\n${CONTENTS}\n\t\t\/\/DISPOSE_INSTANCE_AFTER_END/smg" "${R3_FOLDER}${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}"

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

    exit 0;
fi

if [ "${TASK}" = 'build-events' ];
then

    echo "building events"

    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

if [ "${TASK}" = 'update-templates' ];
then

    echo "updating templates"

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

    COMMANDS=$(grep "r3 create" .r3_history | sed "s/^.*r3/r3/" | sed "s/\s+/ /g" | sort --unique | sed -e ':a' -e 'N' -e '$!ba' -e 's/\n/,/g')
    FILES=$(grep "r3 create" .r3_history | sed "s/^.*r3/r3/" | sed "s/\s+/ /g" | sort --unique | cut -d' ' -f3 | sed 's/\([A-Z]\)/-\1/g' | awk '{print tolower($0)}' | sed "s/^/r3/" | sed "s/$/.js/")

    IFS=',' read -a commands <<< $COMMANDS

    INDEX=0

    for FILE in ${FILES}; do
      FILE_PATH="${R3_FOLDER}${FILE}"
      COMMAND="${commands[$INDEX]}";
      INDEX=$(($INDEX + 1));
      if [ -f "${FILE_PATH}" ] ;
      then
        ./update_templates.php save "${FILE_PATH}"
        $COMMAND
        ./update_templates.php restore "${FILE_PATH}"
      fi



    done

    cd - 2>&1 || exit 3

fi

if [ "${TASK}" = 'update-options' ] || [ "${TASK}" = 'update-templates' ];
then

    echo "updating options"

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

    ./update_options.php all

    cd - 2>&1 || exit 3

    exit 0
fi

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