import type { NotebookSchemaPayload } from '@/lib/structured-views/types'

export type BootstrapStructuredTarget = 'table' | 'kanban'

export type BootstrapStructuredLabels = {
  statusName: string
  statusOptions: string[]
}

export type BootstrapStructuredActions = {
  getSchema: () => NotebookSchemaPayload | null
  enableStructuredMode: () => Promise<NotebookSchemaPayload | null>
  addProperty: (name: string, type: string, options?: string[]) => Promise<NotebookSchemaPayload | null>
  setKanbanGroupProperty: (propertyId: string | null) => Promise<void>
}

function pickGroupProperty(schema: NotebookSchemaPayload, statusName: string) {
  return (
    schema.properties.find((p) => p.type === 'select' && p.name === statusName) ??
    schema.properties.find((p) => p.type === 'select') ??
    null
  )
}

/** Active une base organisable avec champs par défaut (Statut) si nécessaire. */
export async function bootstrapStructuredNotebook(
  target: BootstrapStructuredTarget,
  labels: BootstrapStructuredLabels,
  actions: BootstrapStructuredActions,
): Promise<NotebookSchemaPayload> {
  let schema = actions.getSchema()
  if (!schema) {
    schema = await actions.enableStructuredMode()
  }
  if (!schema) {
    throw new Error('enable_failed')
  }

  const selectProps = schema.properties.filter((p) => p.type === 'select')
  const needsDefaultStatus =
    target === 'kanban' ? selectProps.length === 0 : schema.properties.length === 0

  if (needsDefaultStatus) {
    schema =
      (await actions.addProperty(labels.statusName, 'select', labels.statusOptions)) ?? schema
  }

  if (target === 'kanban') {
    const groupProp = pickGroupProperty(schema, labels.statusName)
    if (!groupProp) {
      throw new Error('kanban_needs_select')
    }
    if (schema.viewSettings.kanbanGroupPropertyId !== groupProp.id) {
      await actions.setKanbanGroupProperty(groupProp.id)
      schema = {
        ...schema,
        viewSettings: { ...schema.viewSettings, kanbanGroupPropertyId: groupProp.id },
      }
    }
  }

  return schema
}

/** Ajoute un champ Statut + colonnes kanban sur une base déjà active. */
export async function ensureKanbanStatusField(
  labels: BootstrapStructuredLabels,
  actions: BootstrapStructuredActions,
): Promise<NotebookSchemaPayload> {
  return bootstrapStructuredNotebook('kanban', labels, actions)
}