#!/bin/bash

set -eu

QUEUE_DIR="$1"; shift

WAIT_UUID=""
while true; do
    WAITING=false
    for UUID in "$@"; do
        if [[ -e "$QUEUE_DIR"/candidates/"$UUID" || -e "$QUEUE_DIR"/in-progress/"$UUID" ]]; then
            WAITING=true
            if [[ "$WAIT_UUID" != "$UUID" ]]; then
                WAIT_UUID="$UUID"
                echo "$(date -Iseconds) Waiting for: $UUID"
            fi
            break
        else
            echo "$(date -Iseconds) Complete: $UUID"
            shift
        fi
    done
    if ! $WAITING; then
        break
    fi
    sleep 1
done