#!/bin/env bash

printf "\n"

show_help() {
  echo "Usage: $(basename $0) [--commit-hashes|-c commit hashes] [--deployments-path|-d deployments path]"
  echo "Options:"
  echo "  --help             | -h         (Optional) Display help information on how to use this script"
  # TODO, implementar
  echo "  --repo-dir         | -r         (Required) Specify the git repository path that contains the commits"
  echo "  --install-dir      | -d         (Required) Specify the dbmanager's installation directory"
  # echo "  --use-git-status   | -g         (Optional) Will add the files with differences from the \"git status\" command"
  # echo "  --commit-hashes    | -c         (Optional) Specify the commit hashes, separation by comma (,)"
  # echo "  --commits-between  | -cb        (Optional) Specify two commit hashes, separation by comma (,), so all commits between them will be considered"
  echo "  --file-paths       | -f         (Required) Specify file paths to consider in the update, separation by comma (,)"
  # echo "                                             Specifying this will make the \"--commit-hashes\" parameter optional"
  echo ""
}

# commit_hashes_arg=''
# commits_between_arg=''
repo_dir=''
install_dir=''
# use_git_status=false
file_paths_arg=''

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
    ;;
  # --commit-hashes | -c)
  #   commit_hashes_arg="$2"
  #   shift 2
  #   ;;
  # --commits-between | -cb)
  #   commits_between_arg="$2"
  #   shift 2
  #   ;;
  --file-paths | -f)
    file_paths_arg="$2"
    shift 2
    ;;
  --use-git-status | -g)
    use_git_status=true
    shift
    ;;
  *) shift ;;
  esac
done

print_newline() {
  echo -e ""
}

convert_csv_to_array() {
  csv_arg=$1
  res_arr=$(echo $csv_arg | tr ',' "\n")
  echo $res_arr
}

commit_exists() {
  commit_hash=$1

  git cat-file -t $commit_hash 1>/dev/null 2>/dev/null

  if [ $? -eq 0 ]; then
    return 0
  else
    return 1
  fi
}

get_target_paths_from_commit_hash() {
  commit_hash=$1

  # TODO, fazer tratativa exclusiva para diff filter com A (added)
  # TODO, fazer tratativa exclusiva para diff filter com D (deleted)
  # TODO, adicionar tratativa para arquivos .jdpl

  echo $(git show --oneline --name-only --diff-filter=MA $c | tail -n +2)
}

function join_by {
  local d=${1-} f=${2-}

  if shift 2; then
    printf %s "$f" "${@/#/$d}"
  fi
}

function confirm() {
  while true; do
    read -p '' yn
    case $yn in
    [Yy]*) return 0 ;;
    [Nn]*) return 1 ;;
    [Cc]*) exit ;;
    *) echo "Please answer YES, NO, or CANCEL." ;;
    esac
  done
}

if [ -z "$file_paths_arg" ] &&
  [ -z "$commit_hashes_arg" ] &&
  [ -z "$commits_between_arg" ] &&
  ! $use_git_status; then
  echo "Error: Either one of these arguments should be provided:"
  # echo "      Commit hashes (--commit-hashes or -c) or;"
  # echo "      Commits between (--commits-between or -cb) or;"
  echo "      File paths (--file-paths or -f) or;"
  # echo "      Use Git Status (--use-git-status or -g)."
  exit 1
fi

if [ ! -z "$repo_dir" ]; then
  if [ -z "$commit_hashes_arg" ] && [ -z "$commits_between_arg" ] && [ ! $use_git_status ] && [ -z "$file_paths_arg" ]; then
    echo "Error: If you specify the Commit hashes (--commit-hashes or -c) and/or Commits between (--commits-between or -cb), the repository directory (--repo-dir or -r) is also required."
    exit 1
  fi
fi

if [ -z "$install_dir" ]; then
  echo "Please specify a dbmanager installation directory with --install-dir or -d"
  exit 1
fi

if [ ! -d "$install_dir" ]; then
  echo "The specified dbmanager installation directory does not exists"
  exit 1
fi

scripts_folder=$HOME/documents/repos-personal/personal-devboot/scripts/shell/job/gp

if [ ! -d "$scripts_folder" ]; then
  echo "The git repository \"CloudAlb/personal-devboot\" must be in the \"~/repos\" folder!"
  exit 1
fi

cur=$(pwd)

# cd $repo_dir
#
# if [ ! -z "$commit_hashes_arg" ]; then
#   commit_hashes=$(convert_csv_to_array "$commit_hashes_arg")
#
#   for c in ${commit_hashes[@]}; do
#     if ! commit_exists $c; then
#       continue
#     fi
#
#     target_paths+=($(get_target_paths_from_commit_hash "$c"))
#   done
# fi
#
# if [ ! -z "$commits_between_arg" ]; then
#   commit_hashes=$(git rev-list --ancestry-path "${commits_between_arg/","/".."}")
#   target_paths_arg=()
#
#   for c in ${commit_hashes[@]}; do
#     if ! commit_exists $c; then
#       continue
#     fi
#
#     target_paths_arg+=($(get_target_paths_from_commit_hash "$c"))
#   done
#
#   for i in ${target_paths_arg[@]}; do
#     target_paths+=($i)
#   done
# fi
#
if [ ! -z "$file_paths_arg" ]; then
  file_paths=$(convert_csv_to_array "$file_paths_arg")

  for f in ${file_paths[@]}; do
    if [ ! -f "$repo_dir/$f" ]; then
      echo "[WARN] O arquivo informado \"$f\" não existe no repositório."
      continue
    fi

    target_paths+=($f)
  done
fi

#
# if $use_git_status; then
#   target_paths+=($(git ls-files --modified --others --exclude-standard))
#
#   if [ ${#target_paths[@]} -eq 0 ]; then
#     echo "Error: You specified \"--use-git-status\" but there wasn't any modified files to use."
#     exit 1
#   fi
# fi
#

target_paths_uniq=$(for i in "${target_paths[@]}"; do echo $i; done | sort -u)

for p in ${target_paths_uniq[@]}; do
  origin_filepath="${repo_dir}/$p"

  target_path_in_dbmanager_path=$(echo "$p" | sed 's/^.*\/main\///')

  target_path="${install_dir}/db/$(dirname $target_path_in_dbmanager_path)"

  # gambiarra para esse caso aqui
  # cp /l/disk0/mbrunhara/documents/repos-job/lb-indicator-ETICS-243054/gp/dbmanager/fontes/components/etics/dbmanager/core/src/main/db/xml/domain/create/schema/data/metamodelo_fk.xml /l/disk0/mbrunhara/documents/repos-job/lb-indicator-ETICS-243054/ambients/dbmanager/dbmanager/db/xml/domain/create/schema/data
  target_path=$(echo $target_path | sed 's/\/db\/db\//\/db\//')

  cp $origin_filepath $target_path
done