#!/usr/bin/env bash

set -euo pipefail

readonly REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
readonly BUILD_CONFIG_FILE="${BUILD_CONFIG_FILE:-$REPO_ROOT/build.config}"
readonly DEFAULT_GITEA_BASE_URL="https://git.cyber.gent"
readonly DEFAULT_DEBIAN_DISTRIBUTION="noble"
readonly DEFAULT_DEBIAN_COMPONENT="main"
readonly DEFAULT_CI_WORK_ROOT="$REPO_ROOT/.ci-work"

log() {
  printf '[%s] %s\n' "$(basename "$0")" "$*"
}

die() {
  printf '[%s] %s\n' "$(basename "$0")" "$*" >&2
  exit 1
}

require_cmd() {
  command -v "$1" >/dev/null 2>&1 || die "Required command not found: $1"
}

require_env() {
  local name="$1"
  [[ -n "${!name:-}" ]] || die "Required environment variable is missing: $name"
}

load_build_config() {
  [[ -f "$BUILD_CONFIG_FILE" ]] || die "Build config not found: $BUILD_CONFIG_FILE"

  set -a
  # shellcheck disable=SC1090
  . "$BUILD_CONFIG_FILE"
  set +a

  [[ -n "${REPO:-}" ]] || die "REPO is missing in $BUILD_CONFIG_FILE"
  [[ -n "${BRANCH:-}" ]] || die "BRANCH is missing in $BUILD_CONFIG_FILE"
}

ci_work_root() {
  printf '%s\n' "${CI_WORK_ROOT:-$DEFAULT_CI_WORK_ROOT}"
}