#!/usr/bin/env bash
set -euo pipefail

ERRORS=0

check_var() {
  local name="$1"
  local value="${!name:-}"
  if [ -z "$value" ]; then
    echo "ERROR: CI_ENV_MISSING $name is not set or empty. See docs/readme.md for required configuration." >&2
    ERRORS=1
  fi
}

check_url() {
  local name="$1"
  local value="${!name:-}"
  check_var "$name"
  if [ -n "$value" ] && [[ "$value" != http://* ]] && [[ "$value" != https://* ]]; then
    echo "ERROR: CI_ENV_FORMAT $name should be a URL (starting with http:// or https://), got: $value" >&2
    ERRORS=1
  fi
}

check_url "GITEA_API_URL"
check_var "GITEA_TOKEN"
check_var "PAGES_HOST"
check_url "GIT_PAGES_PUBLISH_URL"
check_var "GIT_PAGES_PUBLISH_TOKEN"

if [ "$ERRORS" -eq 0 ]; then
  echo "OK: all CI env vars validated"
fi

exit $ERRORS