const namedBranches = ["release", "master", "test", "stage", "prod"] as const

type NamedBranch = (typeof namedBranches)[number] | (string & {})

export function getSemver(
  version: string | undefined,
  branch: NamedBranch
): string | undefined {
  if (!version || typeof version !== "string") {
    return undefined
  }

  if (version.startsWith("v")) {
    version = version.substring(1)
  }

  if (!/^\d+\.\d+\.\d+/.test(version)) {
    return undefined
  }

  if (!namedBranches.includes(branch as any)) {
    let cleanedBranch = branch
      .substring(0, 20)
      .trim()
      .replace(/[^a-zA-Z0-9]/g, "-")
      .toLowerCase()

    return `${version}-${cleanedBranch}`
  }

  return version
}