#!/bin/bash
#
# Gets the current status of the module (git)

set -e

TIG_ROOT="${TIG_HOME-"$HOME/.tig"}"
TIGRC_PATH="$TIG_ROOT/tigrc"
. "$TIGRC_PATH"

### if no arguments, throw an error
if [ $# -eq 0 ]; then
  >&2 echo -e "${RED}- must specify a module to check status for... -${NC}"
  exit 1
fi

repo="$1"
module_root="$SRC_ROOT/$repo"
# TODO make this use users default repos or full repo name
module_url="$GIT_URL_BASE/cchamberlain/$repo"

### if module not cloned, throw an error
if [ ! -d "$module_root" ]; then
  >&2 echo -e "${RED}- module $repo does not exist at $module_root... -${NC}"
  exit 1
fi

pushd "$module_root" >/dev/null
  status=$(git status 2>&1)
  ahead_str="\t"
  if [[ "$status" == *"ahead"* ]] ; then
    ahead_str="|A$(echo $status | grep ahead | tr '\n' ' ' | sed -e 's/[^0-9]/ /g' -e 's/^ *//g' -e 's/ *$//g' | tr -s ' ' | sed 's/ /\n/g')|\t"
  fi
  status_start="${ahead_str}${repo}"
  name_length=${#repo}
  post_spacer="\t\t\t"
  if [ $name_length -lt 10 ] ; then
    post_spacer="\t\t\t\t"
  fi

  case "$status" in
    *modified*|*deleted*|*Untracked\ files*)
      status_porcelain=$(git status --porcelain)
      modified_count=$(echo "$status_porcelain" | grep ' M ' | wc -l | tr -d ' ')
      deleted_count=$(echo "$status_porcelain" | grep ' D ' | wc -l | tr -d ' ')
      untracked_count=$(echo "$status_porcelain" | grep '?? ' | wc -l | tr -d ' ')


      >&2 echo -e "${RED}${status_start} dirty${post_spacer}|M$modified_count|D$deleted_count|U$untracked_count|${NC}"
      ;;
    *ahead*)
      >&2 echo -e "${PURPLE}${status_start} clean but ahead${NC}"
      ;;
    *)
      >&2 echo -e "${status_start} clean"
      ;;
  esac
popd >/dev/null