#!/usr/bin/env bash
# Open URLs to buy Tickets for the colosseo in one week
# Usage: ./tickets.sh [TIME]
#   Opens the URLs to buy tickets in one week.
#
# Optional TIME controls the time to look for.
#   Examples: ./tickets.sh "8:15 next week"

url_base="https://ticketing.colosseo.it/en/eventi/una-notte-al-colosseo/"

get_next_quarter_hour() {
  # Get the current Unix timestamp
  local current_timestamp=$(date +%s --date "${1:-next week}")

  # Round up to the nearest quarter hour
  local rounded_up_timestamp=$((current_timestamp + 900 - ((current_timestamp-1) % 900)))

  date +"%Y-%m-%dT%I%%3A%M%%3A00Z" --date="@$rounded_up_timestamp"
}

construct_url() {
  echo "${url_base}?t=$1#slotpicker"
}

open_in_firefox_incognito() {
  firefox --private-window "$1"
}

datetime="$(get_next_quarter_hour "$1")"
url="$(construct_url "$datetime")"

if command -v firefox >/dev/null 2>&1; then
  firefox "$url"
  firefox --private-window "$url"
fi

if command -v chromium >/dev/null 2>&1; then
  chromium "$url" >/dev/null 2>&1 &
  chromium --incognito "$url" >/dev/null 2>&1 &
fi