#!/usr/bin/env bash
export TODOTXT_VERBOSE=0

action=$1
shift

if [[ $action == "usage" ]]; then
  echo "@ [context]"
  echo "  Lists all tasks with the given context."
  echo "  If no context is given, lists all tasks categorized by their context."
  echo "  If task has @someday, it won't be listed."
  exit 0
fi

CONTEXTS=$(grep -o '[^ ]*@[^ ]\+' "$TODO_FILE" | grep '^@' | sort -u | sed 's/^@//g' )
for context in $CONTEXTS ; do
  if [[ $context == "someday" ]]; then
    continue
  fi

  CONTEXT_LIST=$(_list "$TODO_FILE" "@$context\b" "$@" | sed 's/\ *@[a-zA-Z0-9._\-]*\ */ /g')
  if [[ -n "${CONTEXT_LIST}" ]]; then
    echo -e "--@${context}"
    echo "${CONTEXT_LIST}" | eval "$TODOTXT_FINAL_FILTER"
  fi
done