pub(all) struct CutoverPlan {
  ready_to_cutover : Bool
  rollback_days : Int
  imported_data_manifest_path : String
  checklist : Array[CutoverStep]
  rollback_plan : Array[CutoverStep]
  decommission_note : String
  summary : String
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug, 
@moonbitlang/core/json.FromJson
FromJson)

pub(all) struct CutoverPlanInput {
  readiness : 
@vectie/moonfish/evaluation.CutoverReadinessReport
CutoverReadinessReport
  import_plan : 
@vectie/moonfish/migration.LegacyImportPlan
LegacyImportPlan
  rollback_days : Int
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug, 
@moonbitlang/core/json.FromJson
FromJson)

pub(all) struct CutoverStep {
  index : Int
  kind : CutoverStepKind
  status : CutoverStepStatus
  path : String
  message : String
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug, 
@moonbitlang/core/json.FromJson
FromJson)

pub(all) enum CutoverStepKind {
  VerifyReadiness
  ImportLegacyData
  FreezeLegacyApp
  SwitchOperatorSurface
  MonitorRollbackWindow
  ArchiveLegacyNotes
  BlockedByReadiness
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug, 
@moonbitlang/core/json.FromJson
FromJson)

pub(all) enum CutoverStepStatus {
  Planned
  Blocked
} derive(Eq, ToJson, 
@moonbitlang/core/debug.Debug
Debug, 
@moonbitlang/core/json.FromJson
FromJson)

fn cutover_plan_input(readiness : 
@vectie/moonfish/evaluation.CutoverReadinessReport
CutoverReadinessReport, import_plan : 
@vectie/moonfish/migration.LegacyImportPlan
LegacyImportPlan, rollback_days? : Int) -> CutoverPlanInput

fn prepare_cutover_plan(input : CutoverPlanInput) -> CutoverPlan