import type {
  AssayFeature,
  AssaySample,
  ReagentRecord,
  ReagentTemplateInput,
} from './types'

export function normalizeAssaySample(sample: AssaySample): AssaySample {
  return {
    ...sample,
    metadata: sample.metadata ?? {},
  }
}

export function normalizeAssayFeature(feature: AssayFeature): AssayFeature {
  return {
    ...feature,
    metadata: feature.metadata ?? {},
  }
}

export function normalizeReagent(reagent: ReagentTemplateInput): ReagentRecord {
  return {
    ...reagent,
    expiryDate: normalizeDateString(reagent.expiryDate),
    kind: reagent.kind ?? 'reagent',
    metadata: reagent.metadata ?? {},
  }
}

function normalizeDateString(value: Date | string | null | undefined): string | undefined {
  if (value === undefined || value === null) return undefined
  return value instanceof Date ? value.toISOString() : value
}