import {z} from 'zod'

export type ParameterLimit = number;

export type ParameterPage = number;

export type ParameterOrderListEarningRules = 'created_at' | '-created_at' | 'updated_at' | '-updated_at';

export type GetApiV1LoyaltiesCampaignIdEarningRulesArgs = {limit?: ParameterLimit | undefined, page?: ParameterPage | undefined, order?: ParameterOrderListEarningRules | undefined};

export type GetApiV1LoyaltiesCampaignIdEarningRulesOptions = {baseUrl?: string | undefined, XAppId?: string | undefined, XAppToken?: string | undefined, fetch?: typeof fetch | undefined};

export const earningRuleFixed = z.object({type: z.literal("FIXED"), points: z.number().int(), points_formula: z.string().optional()});

export const earningRuleProportionalOrderAmount = z.object({type: z.literal("PROPORTIONAL"), calculation_type: z.literal("ORDER_AMOUNT"), order: z.object({amount: z.object({every: z.number().int(), points: z.number().int(), points_formula: z.string().optional()})})});

export const earningRuleProportionalOrderTotalAmount = z.object({type: z.literal("PROPORTIONAL"), calculation_type: z.literal("ORDER_TOTAL_AMOUNT"), order: z.object({total_amount: z.object({every: z.number().int(), points: z.number().int(), points_formula: z.string().optional()})})});

export const earningRuleProportionalOrderMetadata = z.object({type: z.literal("PROPORTIONAL"), calculation_type: z.literal("ORDER_METADATA"), order: z.object({metadata: z.object({every: z.number().int(), points: z.number().int(), points_formula: z.string().optional(), property: z.string()})})});

export const earningRuleProportionalOrder = z.union([earningRuleProportionalOrderAmount, earningRuleProportionalOrderTotalAmount, earningRuleProportionalOrderMetadata]);

export const earningRuleProportionalOrderItemsQuantity = z.object({type: z.literal("PROPORTIONAL"), calculation_type: z.literal("ORDER_ITEMS_QUANTITY"), order_items: z.object({quantity: z.object({every: z.number().int(), points: z.number().int(), points_formula: z.string().optional(), object: z.enum(["products_collection", "product", "sku"]).optional(), id: z.string().optional(), applicable_to: z.array(z.object({object: z.enum(["products_collection", "product", "sku"]).optional(), id: z.string().optional()})).optional()})})});

export const earningRuleProportionalOrderItemsAmount = z.object({type: z.literal("PROPORTIONAL"), calculation_type: z.literal("ORDER_ITEMS_AMOUNT"), order_items: z.object({amount: z.object({every: z.number().int(), points: z.number().int(), points_formula: z.string().optional(), object: z.enum(["products_collection", "product", "sku"]).optional(), id: z.string().optional(), applicable_to: z.array(z.object({object: z.enum(["products_collection", "product", "sku"]).optional(), id: z.string().optional()})).optional()})})});

export const earningRuleProportionalOrderItemsSubtotalAmount = z.object({type: z.literal("PROPORTIONAL"), calculation_type: z.literal("ORDER_ITEMS_SUBTOTAL_AMOUNT"), order_items: z.object({subtotal_amount: z.object({every: z.number().int(), points: z.number().int(), points_formula: z.string().optional(), object: z.enum(["products_collection", "product", "sku"]).optional(), id: z.string().optional(), applicable_to: z.array(z.object({object: z.enum(["products_collection", "product", "sku"]).optional(), id: z.string().optional()})).optional()})})});

export const earningRuleProportionalOrderItems = z.union([earningRuleProportionalOrderItemsQuantity, earningRuleProportionalOrderItemsAmount, earningRuleProportionalOrderItemsSubtotalAmount]);

export const earningRuleProportionalCustomerMetadata = z.object({type: z.literal("PROPORTIONAL"), calculation_type: z.literal("CUSTOMER_METADATA"), customer: z.object({metadata: z.object({every: z.number().int(), points: z.number().int(), points_formula: z.string().optional(), property: z.string()})})});

export const earningRuleProportionalCustomEvent = z.object({type: z.literal("PROPORTIONAL"), calculation_type: z.literal("CUSTOM_EVENT_METADATA"), custom_event: z.object({metadata: z.object({every: z.number().int(), points: z.number().int(), points_formula: z.string().optional(), property: z.string()})})});

export const earningRuleProportional = z.union([earningRuleProportionalOrder, earningRuleProportionalOrderItems, earningRuleProportionalCustomerMetadata, earningRuleProportionalCustomEvent]);

export const earningRuleEvent = z.string();

export const validityTimeframe = z.object({duration: z.string().optional(), interval: z.string().optional()});

export const validityDayOfWeek = z.array(z.union([z.literal(0), z.literal(1), z.literal(2), z.literal(3), z.literal(4), z.literal(5), z.literal(6)]));

export const validityHours = z.object({daily: z.array(z.object({start_time: z.string().optional(), days_of_week: z.array(z.union([z.literal(0), z.literal(1), z.literal(2), z.literal(3), z.literal(4), z.literal(5), z.literal(6)])).optional(), expiration_time: z.string().optional()})).optional()});

export const earningRuleExpirationRules = z.object({period_type: z.enum(["FIXED_DAY_OF_YEAR", "MONTH"]), period_value: z.number().int().optional(), rounding_type: z.enum(["END_OF_MONTH", "END_OF_QUARTER", "END_OF_HALF_YEAR", "END_OF_YEAR", "PARTICULAR_MONTH"]).optional(), rounding_value: z.number().int().optional(), fixed_month: z.number().int().gte(1).lte(12).optional(), fixed_day: z.number().int().gte(1).lte(31).optional()});

export const earningRule = z.object({id: z.string(), created_at: z.string(), loyalty: z.union([earningRuleFixed, earningRuleProportional]), event: earningRuleEvent.optional(), custom_event: z.object({schema_id: z.string()}).optional(), segment: z.object({id: z.string()}).optional(), loyalty_tier: z.object({id: z.string().optional()}).optional(), pending_points: z.object({period_type: z.literal("DAY").optional(), period_value: z.number().int().gte(1).lte(90).optional()}).optional(), source: z.object({banner: z.string().optional(), object_id: z.string(), object_type: z.literal("campaign")}), object: z.literal("earning_rule"), automation_id: z.string(), start_date: z.string().optional(), expiration_date: z.string().optional(), validity_timeframe: validityTimeframe.optional(), validity_day_of_week: validityDayOfWeek.optional(), validity_hours: validityHours.optional(), metadata: z.object({}), expiration_rules: earningRuleExpirationRules.optional(), validation_rule_id: z.string().nullable(), updated_at: z.string().nullable(), active: z.boolean()});

export const loyaltiesEarningRulesListResponseBody = z.object({object: z.literal("list").optional(), data_ref: z.string().optional(), data: z.array(earningRule).optional(), total: z.number().int().optional()});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * List Earning Rules
 * 
 * GET /v1/loyalties/{campaignId}/earning-rules
 * 
 * Also accepts auth: X-Voucherify-OAuth
 */
export const getApiV1LoyaltiesCampaignIdEarningRules = async (args: GetApiV1LoyaltiesCampaignIdEarningRulesArgs, options?: GetApiV1LoyaltiesCampaignIdEarningRulesOptions) => {
const {baseUrl = "https://api.voucherify.io", fetch: fetchFn = fetch, XAppId, XAppToken} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (args.limit != null) query.append("limit", String(args.limit))
if (args.page != null) query.append("page", String(args.page))
if (args.order != null) query.append("order", String(args.order))
if (XAppId !== undefined) headers.set("X-App-Id", XAppId)
if (XAppToken !== undefined) headers.set("X-App-Token", XAppToken)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/loyalties/${encodeURIComponent(String(args.campaignId))}/earning-rules${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(loyaltiesEarningRulesListResponseBody, await res.json())
};