#!/bin/env bash

show_help() {
  echo "Usage: $(basename $0) [--preset|-p] [--executable|-e] [--dry-run|-d] [--help|h]"
  echo "Options:"
  echo "  --help          | -h      (Optional) Display help information on how to use this script"
  echo "  --repo-dir      | -r      (Required) GP's cloned git repository directory"
  echo "  --install-dir   | -d      (Required) Where to install Metawizard. Must be a relative path"
  echo "  --no-download   | -no-dl  (Optional) Use this if you already have the .jar file in --install-dir (and the dir is already created)"
  echo "  --no-meta-setup | -no-m   (Optional) Use this if you already have MetaWizard installed"
  echo "  --no-post-steps | -no-p   (Optional) Use this if you already have done the post steps"
}

REPO_DIR=""
INSTALL_DIR=""
SHOULD_DOWNLOAD=true
SHOULD_INSTALL_META=true
SHOULD_DO_POST_STEPS=true

while [ "$#" -gt 0 ]; do
  case "$1" in
  --help | -h)
    show_help
    exit
    ;;
  --repo-dir | -r)
    REPO_DIR="$2"
    shift 2
    ;;
  --install-dir | -d)
    INSTALL_DIR="$2"
    shift 2
    ;;
  --no-download | -no-dl)
    SHOULD_DOWNLOAD=false
    shift
    ;;
  --no-meta-setup | -no-m)
    SHOULD_INSTALL_META=false
    shift
    ;;
  --no-post-steps | -no-p)
    SHOULD_DO_POST_STEPS=false
    shift
    ;;
  *) shift ;;
  esac
done

commands_to_check=(wget)

commands_not_found=()
for command in ${commands_to_check[@]}; do
  if ! command -v "$command" &>/dev/null; then
    commands_not_found+=("$command")
  fi
done

if [ ${#commands_not_found[@]} -ne 0 ]; then
  echo 'The following commands are necessary in order to run the script, but were not found:'

  for command in ${commands_not_found[@]}; do
    echo "    \"$command\""
  done

  exit 1
fi

ROOT_DIR=$(pwd)

if [ $(basename $ROOT_DIR) != "$INSTALL_DIR" ]; then
  mkdir --parents $INSTALL_DIR
  cd $INSTALL_DIR
  ROOT_DIR=$(pwd)
fi

validate_dir() {
  DIR="$1"
  MESSAGE="$2"

  if [ -z "$DIR" ]; then
    echo "$MESSAGE"
    exit 0
  fi

  if [ ! -d "$DIR" ]; then
    echo "The provided directory '$DIR' does not exist"
    exit 0
  fi
}

get_cdk_version_from_gp_superparent_pom() {
  SUPERPARENT_POM_PATH=$1

  CDK_VERSION=$(xmlstarlet sel -N pom="http://maven.apache.org/POM/4.0.0" -t -v '/pom:project/pom:properties/pom:cpqd.cdk.version' $SUPERPARENT_POM_PATH)

  echo "$CDK_VERSION"
}

get_version_type_from_version() {
  version=$1

  if [[ $version == *"-"* ]]; then
    echo 'snapshot'
  else
    echo 'release'
  fi
}

get_maven_repo_from_version() {
  version=$1

  case $(get_version_type_from_version $version) in
  'snapshot') echo 'cpqd-snapshot' ;;
  'release') echo 'cpqd-release' ;;
  *) echo "[ERROR] Função \"$FUNCNAME\" recebeu um retorno inválido" ;;
  esac
}

chmod_sh_files_recursively() {
  DIRPATH=$1

  find $DIRPATH -type f -name '*.sh' -exec chmod +x {} \;
}

validate_dir "$REPO_DIR" "Please specify a GP's cloned git repository directory with --repo-dir or -r"

METAWIZARD_JAR_FILENAME=""

if $SHOULD_DOWNLOAD; then
  CDK_VERSION=$(get_cdk_version_from_gp_superparent_pom "$REPO_DIR/main/super-parent/pom.xml")

  if [ -z "$CDK_VERSION" ]; then
    echo "Could not retrieve GP's version from the specified cloned repository"
    exit 0
  fi

  ARTIFACTORY_REPOSITORY=$(get_maven_repo_from_version "$CDK_VERSION")
  METAWIZARD_ARTIFACTORY_PATH_WILDCARD="$ARTIFACTORY_REPOSITORY/br/com/cpqd/cdk/cpqd-cdk-meta-installer/$CDK_VERSION/cpqd-cdk-meta-installer-*.jar"
  METAWIZARD_ARTIFACTORY_PATH=$(jf rt search --fail-no-op=true --sort-by=path "${METAWIZARD_ARTIFACTORY_PATH_WILDCARD}" | jq -r '.[].path')
  METAWIZARD_JAR_FILENAME=$(basename ${METAWIZARD_ARTIFACTORY_PATH})
  METAWIZARD_ARTIFACTORY_URL="https://artifactory.cpqd.com.br/artifactory/${METAWIZARD_ARTIFACTORY_PATH}"

  wget $METAWIZARD_ARTIFACTORY_URL
fi

METAWIZARD_SH_FILE="wizard/metawizard.sh"

if $SHOULD_INSTALL_META; then
  echo "Please specify '$(pwd)' in MetaWizard's installation directory"

  java -jar $METAWIZARD_JAR_FILENAME

  chmod_sh_files_recursively "$(pwd)"

  if [ -z "$METAWIZARD_SH_FILE" ]; then
    echo "Could not find MetaWizard's .sh file"
    exit 0
  fi
fi

if $SHOULD_DO_POST_STEPS; then
  rm -rf wizard/modules/xml/xml-compat/

  FILES_TO_COPY=(settings.properties mw-modules-config.xml mw-validation-config.xml)

  ETICS_FOLDER_WITH_META_FILES=etics/fontes/components/model/src/main/config

  for f in ${FILES_TO_COPY[@]}; do
    cp $REPO_DIR/$ETICS_FOLDER_WITH_META_FILES/$f wizard/config/
  done

  MKLINK_META_FILE="mklink_META.sh"

  cp $REPO_DIR/$ETICS_FOLDER_WITH_META_FILES/$MKLINK_META_FILE $ROOT_DIR

  chmod +x ./$MKLINK_META_FILE

  ./$MKLINK_META_FILE $REPO_DIR

  sed -i 's/256/2048/g' ./$METAWIZARD_SH_FILE
  sed -i 's/512/4096/g' ./$METAWIZARD_SH_FILE
fi