Release readiness

# title: Release readiness
# category: Vibescript Showcase
# difficulty: Showcase
# summary: Model a release workflow with typed enums, time-aware scheduling, and structured status reporting.
# description: This example shows how Vibescript enums, typed function signatures, template strings, and deterministic time formatting can make workflow code read like product logic instead of puzzle code.
# tags: workflows, enums, types, templates
# featured: true
# feature_rank: 0
# vibe: 0.2

enum ReleaseStatus
  Draft
  Approved
  Scheduled
  Live
end

def next_status(status: ReleaseStatus) -> ReleaseStatus
  if status == ReleaseStatus::Draft
    ReleaseStatus::Approved
  elsif status == ReleaseStatus::Approved
    ReleaseStatus::Scheduled
  elsif status == ReleaseStatus::Scheduled
    ReleaseStatus::Live
  else
    ReleaseStatus::Live
  end
end

def launch_label(launch_at: time?) -> string
  if launch_at == nil
    "unscheduled"
  else
    launch_at.format("2006-01-02T15:04:05Z")
  end
end

def publishable?(status: ReleaseStatus, launch_at: time?) -> bool
  status == ReleaseStatus::Scheduled && launch_at != nil
end

def release_report(name: string, status: ReleaseStatus, launch_at: time? = nil) -> hash
  {
    name: name,
    status: status.name,
    next_status: next_status(status).name,
    publishable: publishable?(status, launch_at),
    launch_at: launch_label(launch_at),
    banner: "{{name}} is {{status}}".template({ name: name, status: status.name })
  }
end

def run
  launch_at = 2.hours.after(Time.at(1700000000))
  {
    draft: release_report("billing-v2", ReleaseStatus::Draft),
    scheduled: release_report("billing-v2", ReleaseStatus::Scheduled, launch_at)
  }
end