// The shapes this editor reads off the api-cms backend, kept LOCAL so the pages
// are self-contained. They mirror the api's descriptor outputs
// (`content.types`, `content.list`, `content.saveDraft`).
import type { FieldSchema } from '@voltro/cms/web'

// The caller's resolved identity, from `session.me`. The SSR gate reads it.
export interface Identity {
  readonly type: string
  readonly id: string | null
  readonly tenantId: string | null
}

// One field of a content type, as `content.types` sends it (the wire subset of
// @voltro/cms's FieldSchema — enough for <ContentForm> to pick a widget).
export interface FieldDescriptor {
  readonly name: string
  readonly kind: string
  readonly editorHint: string
  readonly isOptional: boolean
  readonly maxLength?: number
  readonly literals?: ReadonlyArray<string>
  readonly referenceType?: string
}

// One registered content type.
export interface ContentTypeDescriptor {
  readonly name: string
  readonly displayName: string
  readonly pluralName: string
  readonly fields: ReadonlyArray<FieldDescriptor>
  readonly columns: ReadonlyArray<string>
}

// A row in the editor's list (the `content.list` projection).
export interface ContentRow {
  readonly id: string
  readonly status: string
  readonly title?: string
  readonly slug?: string
  readonly updatedAt: string | Date
}

// `content.saveDraft` returns a typed RESULT union — success or per-field
// violations the form annotates. NOT a thrown error.
export type SaveResult =
  | { readonly ok: true; readonly id: string; readonly status: string }
  | { readonly ok: false; readonly violations: ReadonlyArray<{ field: string; rule: string; message: string }> }

// Turn the wire field list into the `{ fields }` shape <ContentForm> reads. The
// wire carries `kind`/`editorHint` as strings; ContentForm only reads
// `editorHint` + `maxLength`/`literals`, so the cast at this boundary is safe.
export const toContentFormType = (
  type: ContentTypeDescriptor,
): { fields: Record<string, FieldSchema> } => {
  const fields: Record<string, FieldSchema> = {}
  for (const f of type.fields) fields[f.name] = f as unknown as FieldSchema
  return { fields }
}