/**
 * Services Domain - Schemas
 *
 * Zod schemas for runtime validation of services product data.
 */

import { z } from "zod";
import { addressSchema } from "../customer/index.js";

// ============================================================================
// Base Catalog Product Schema
// ============================================================================

export const catalogProductBaseSchema = z.object({
  id: z.string(),
  sku: z.string(),
  name: z.string(),
  description: z.string().optional(),
  displayOrder: z.number().optional(),
  billingCycle: z.string().optional(),
  monthlyPrice: z.number().optional(),
  oneTimePrice: z.number().optional(),
  unitPrice: z.number().optional(),
  catalogMetadata: z.record(z.string(), z.unknown()).optional(),
});

// ============================================================================
// PricebookEntry Schema
// ============================================================================

export const catalogPricebookEntrySchema = z.object({
  id: z.string().optional(),
  name: z.string().optional(),
  unitPrice: z.number().optional(),
  pricebook2Id: z.string().optional(),
  product2Id: z.string().optional(),
  isActive: z.boolean().optional(),
});

// ============================================================================
// Internet Product Schemas
// ============================================================================

export const internetCatalogProductSchema = catalogProductBaseSchema.extend({
  internetPlanTier: z.string().optional(),
  internetOfferingType: z.string().optional(),
  features: z.array(z.string()).optional(),
});

export const internetPlanTemplateSchema = z.object({
  tierDescription: z.string(),
  description: z.string().optional(),
  features: z.array(z.string()).optional(),
});

export const internetPlanCatalogItemSchema = internetCatalogProductSchema.extend({
  catalogMetadata: z
    .object({
      tierDescription: z.string().optional(),
      features: z.array(z.string()).optional(),
      isRecommended: z.boolean().optional(),
    })
    .optional(),
});

export const internetInstallationCatalogItemSchema = internetCatalogProductSchema.extend({
  catalogMetadata: z
    .object({
      installationTerm: z.enum(["One-time", "12-Month", "24-Month"]),
    })
    .optional(),
});

export const internetAddonCatalogItemSchema = internetCatalogProductSchema.extend({
  isBundledAddon: z.boolean().optional(),
  bundledAddonId: z.string().optional(),
});

export const internetCatalogCollectionSchema = z.object({
  plans: z.array(internetPlanCatalogItemSchema),
  installations: z.array(internetInstallationCatalogItemSchema),
  addons: z.array(internetAddonCatalogItemSchema),
});

export const internetCatalogResponseSchema = internetCatalogCollectionSchema;

// ============================================================================
// Internet Eligibility Schemas
// ============================================================================

/**
 * Portal-facing internet eligibility status.
 *
 * NOTE: This is intentionally a small, stable enum used across BFF + Portal.
 * The raw Salesforce field value is returned separately as `eligibility`.
 */
export const internetEligibilityStatusSchema = z.enum([
  "not_requested",
  "pending",
  "eligible",
  "ineligible",
]);

export const internetEligibilityDetailsSchema = z.object({
  status: internetEligibilityStatusSchema,
  /** Raw Salesforce value from Account.Internet_Eligibility__c (if present) */
  eligibility: z.string().nullable(),
  /** Salesforce Case Id (eligibility request) */
  requestId: z.string().nullable(),
  requestedAt: z.string().datetime().nullable(),
  checkedAt: z.string().datetime().nullable(),
  notes: z.string().nullable(),
});

/**
 * Body for POST /services/internet/eligibility-request (BFF).
 * Lives in domain so Portal + BFF stay aligned.
 */
export const internetEligibilityRequestSchema = z.object({
  notes: z.string().trim().max(2000).optional(),
  address: addressSchema.partial().optional(),
});

export const internetEligibilityRequestResponseSchema = z.object({
  requestId: z.string(),
});

// ============================================================================
// SIM Product Schemas
// ============================================================================

export const simCatalogProductSchema = catalogProductBaseSchema.extend({
  simDataSize: z.string().optional(),
  simPlanType: z.string().optional(),
  simHasFamilyDiscount: z.boolean().optional(),
  isBundledAddon: z.boolean().optional(),
  bundledAddonId: z.string().optional(),
});

export const simActivationFeeCatalogItemSchema = simCatalogProductSchema.extend({
  catalogMetadata: z
    .object({
      isDefault: z.boolean().optional(),
    })
    .optional(),
});

export const simCatalogCollectionSchema = z.object({
  plans: z.array(simCatalogProductSchema),
  activationFees: z.array(simActivationFeeCatalogItemSchema),
  addons: z.array(simCatalogProductSchema),
});

export const simCatalogResponseSchema = simCatalogCollectionSchema;

// ============================================================================
// VPN Product Schema
// ============================================================================

export const vpnCatalogProductSchema = catalogProductBaseSchema.extend({
  vpnRegion: z.string().optional(),
});

export const vpnCatalogCollectionSchema = z.object({
  plans: z.array(vpnCatalogProductSchema),
  activationFees: z.array(vpnCatalogProductSchema),
});

export const vpnCatalogResponseSchema = vpnCatalogCollectionSchema;

// ============================================================================
// Catalog Filter Schema
// ============================================================================

/**
 * Schema for catalog filtering options
 */
export const catalogFilterSchema = z.object({
  category: z.string().optional(),
  priceMin: z.number().optional(),
  priceMax: z.number().optional(),
  search: z.string().optional(),
});

// ============================================================================
// Inferred Types from Schemas (Schema-First Approach)
// ============================================================================

export type CatalogProductBase = z.infer<typeof catalogProductBaseSchema>;
export type CatalogPricebookEntry = z.infer<typeof catalogPricebookEntrySchema>;

// Internet products
export type InternetCatalogProduct = z.infer<typeof internetCatalogProductSchema>;
export type InternetPlanTemplate = z.infer<typeof internetPlanTemplateSchema>;
export type InternetPlanCatalogItem = z.infer<typeof internetPlanCatalogItemSchema>;
export type InternetInstallationCatalogItem = z.infer<typeof internetInstallationCatalogItemSchema>;
export type InternetAddonCatalogItem = z.infer<typeof internetAddonCatalogItemSchema>;
export type InternetCatalogCollection = z.infer<typeof internetCatalogCollectionSchema>;
export type InternetEligibilityStatus = z.infer<typeof internetEligibilityStatusSchema>;
export type InternetEligibilityDetails = z.infer<typeof internetEligibilityDetailsSchema>;
export type InternetEligibilityRequest = z.infer<typeof internetEligibilityRequestSchema>;
export type InternetEligibilityRequestResponse = z.infer<
  typeof internetEligibilityRequestResponseSchema
>;

// SIM products
export type SimCatalogProduct = z.infer<typeof simCatalogProductSchema>;
export type SimActivationFeeCatalogItem = z.infer<typeof simActivationFeeCatalogItemSchema>;
export type SimCatalogCollection = z.infer<typeof simCatalogCollectionSchema>;

// VPN products
export type VpnCatalogProduct = z.infer<typeof vpnCatalogProductSchema>;
export type VpnCatalogCollection = z.infer<typeof vpnCatalogCollectionSchema>;

// Union type for all catalog products
export type CatalogProduct =
  | InternetPlanCatalogItem
  | InternetInstallationCatalogItem
  | InternetAddonCatalogItem
  | SimCatalogProduct
  | SimActivationFeeCatalogItem
  | VpnCatalogProduct
  | CatalogProductBase;