#!/bin/bash

if [ -f .compilation-options ]; then
  source ./.compilation-options
fi

while getopts "cskfa:" flag; do
  case "$flag" in
    c) CONVERT=true;;
    k) KEEP=true;;
    s) SKIPCHECK=true;;
    f) FORCE=true;;
    a) ARCH="${OPTARG}";;
    *) exit 1;;
  esac
done

if [ -f pkg.info ]; then
  echo "pkg.info file found"
else
  echo "pkg.info file not found in $PWD"
  exit 1
fi

output="${@:$OPTIND:1}"
if [ -z "$output" ]; then
  pkgname=$(grep "^name: " pkg.info)
  output=$(echo "$pkgname" | cut -d' ' -f2)"-src.bpm"
fi
if [ -z "$output" ] || [[ ! "$output" =~ ^[a-z.A-Z0-9_-]{1,}$ ]]; then
  echo "Invalid output name! The name must only contain letters, numbers, hyphens or underscores!"
  exit 1
fi

type="binary"
toCompress=()

echo "Creating package with the name $output..."

if [ -d files ]; then
  echo "files/ directory found"
  toCompress+=("files/")
else
  if [ -f source.sh ]; then
    type="source"
    echo "source.sh file found"
    toCompress+=("source.sh")
    if [ -f pre_update.sh ]; then
      echo "pre_update.sh file found"
      toCompress+=("pre_update.sh")
    fi
    if [ -f post_update.sh ]; then
      echo "post_update.sh file found"
      toCompress+=("post_update.sh")
    fi
    if [ -f pre_install.sh ]; then
      echo "pre_install.sh file found"
      toCompress+=("pre_install.sh")
    fi
    if [ -f post_install.sh ]; then
      echo "post_install.sh file found"
      toCompress+=("post_install.sh")
    fi
    if [ -f pre_remove.sh ]; then
      echo "pre_remove.sh file found"
      toCompress+=("pre_remove.sh")
    fi
    if [ -f post_remove.sh ]; then
      echo "post_remove.sh file found"
      toCompress+=("post_remove.sh")
    fi
    if [ -d source-files ]; then
      if [ ! -z "$(ls -A source-files)" ]; then
        echo "source-files/ directory found"
        toCompress+=("source-files/")
      fi
    fi
  else
    echo "files/ directory or source.sh file not found in $PWD"
    exit 1
  fi
fi

for pkginfo in ./pkg.inf*; do
  pkginfo=$(basename "$pkginfo")
  echo "${pkginfo} file found"
  toCompress+=("$pkginfo")
done

echo "Creating $type package as $output"
tar -c --owner=0 --group=0 --no-same-owner -zf "$output" "${toCompress[@]}"

if [ ! -z "$CONVERT" ] && "$CONVERT" && [[ "$type" == "source" ]]; then
  args=()
  [ -n "$KEEP" ] && args+=("-k")
  [ -n "$SKIPCHECK" ] && args+=("-s")
  [ -n "$FORCE" ] && args+=("-f")
  bpm-convert "${args[@]}" -a "$ARCH" "$output"
fi