import type { CatalogEntityType } from './SubmissionRepository'
import type { CableType, DeviceTemplate, PortType } from '../domain/types'

/**
 * Maps domain objects to the shape of their Supabase table row (snake_case
 * columns, no id/is_public/owner_id). Shared by two call sites that both
 * need a row-shaped payload: SupabaseCatalogRepository's inserts, and
 * catalog submissions' `proposed_data` (see SubmissionRepository) — a
 * submission's proposed_data is deliberately row-shaped so approving it is
 * just writing that object onto the row at `entity_id`, not a translation
 * step an Admin's approval action would otherwise have to duplicate.
 */

/** Which table backs each catalog entity type — shared by
 *  SupabaseAdminSubmissionRepository (approving into the right table) and
 *  SupabaseCatalogRepository (direct Admin unpublish). */
export const CATALOG_TABLE_BY_ENTITY_TYPE: Record<CatalogEntityType, string> = {
  device_template: 'device_templates',
  port_type: 'port_types',
  cable_type: 'cable_types',
  device_category: 'device_categories',
}

export function portTypeToRow(portType: Omit<PortType, 'id' | 'custom'>): Record<string, unknown> {
  return {
    name: portType.name,
    category: portType.category,
    family: portType.family,
    compatible_family_ids: portType.compatibleFamilyIds ?? [],
    max_connections: portType.maxConnections ?? null,
  }
}

export function cableTypeToRow(cableType: Omit<CableType, 'id' | 'custom'>): Record<string, unknown> {
  return {
    name: cableType.name,
    family: cableType.family,
    family2: cableType.family2 ?? null,
    unit: cableType.unit,
    cost_per_unit: cableType.costPerUnit ?? null,
  }
}

export function deviceCategoryToRow(name: string): Record<string, unknown> {
  return { name }
}

export function deviceTemplateToRow(template: Omit<DeviceTemplate, 'id' | 'custom'>): Record<string, unknown> {
  return {
    name: template.name,
    category_id: template.category,
    manufacturer: template.manufacturer ?? null,
    model: template.model ?? null,
    cost: template.cost ?? null,
    ports: template.ports.map((port, index) => ({
      name: port.name,
      direction: port.direction,
      port_type_id: port.portTypeId,
      sort_order: index,
    })),
  }
}

/**
 * The reverse direction: turns a `catalog_submissions.proposed_data` row
 * back into domain-shaped fields, so a rejected/pending submission can be
 * reopened in the same form component that created it (see MySubmissionsModal)
 * instead of needing a bespoke "edit a raw JSON blob" UI. Safe because
 * proposed_data is always a *complete* row projection (every field of the
 * type, per the `*ToRow` functions above), never a partial patch.
 */

export function rowToPortTypeFields(row: Record<string, unknown>): Omit<PortType, 'id' | 'custom'> {
  const compatibleFamilyIds = row.compatible_family_ids as string[] | undefined
  return {
    name: row.name as string,
    category: row.category as PortType['category'],
    family: row.family as string,
    compatibleFamilyIds: compatibleFamilyIds && compatibleFamilyIds.length > 0 ? compatibleFamilyIds : undefined,
    maxConnections: (row.max_connections as number | null) ?? undefined,
  }
}

export function rowToCableTypeFields(row: Record<string, unknown>): Omit<CableType, 'id' | 'custom'> {
  return {
    name: row.name as string,
    family: row.family as string,
    family2: (row.family2 as string | null) ?? undefined,
    unit: row.unit as CableType['unit'],
    costPerUnit: (row.cost_per_unit as number | null) ?? undefined,
  }
}

export function rowToDeviceTemplateFields(row: Record<string, unknown>): Omit<DeviceTemplate, 'id' | 'custom'> {
  const ports = (row.ports as Array<{ name: string; direction: DeviceTemplate['ports'][number]['direction']; port_type_id: string }>) ?? []
  return {
    name: row.name as string,
    category: row.category_id as string,
    manufacturer: (row.manufacturer as string | null) ?? undefined,
    model: (row.model as string | null) ?? undefined,
    cost: (row.cost as number | null) ?? undefined,
    ports: ports.map((port, index) => ({
      id: `draft-port-${index}`,
      name: port.name,
      direction: port.direction,
      portTypeId: port.port_type_id,
    })),
  }
}

export function rowToDeviceCategoryName(row: Record<string, unknown>): string {
  return row.name as string
}