import {z} from 'zod'

export type StartDate = string;

export type EndDate = string;

export type ApiId = string;

export type TransactionTrendCompareType = 'avg_chain_in_state' | 'avg_chain_nationwide' | 'avg_category_in_state' | 'avg_category_nationwide' | null;

export type SalesTrendGranularity = 'day' | 'week' | 'month';

export type TransactionTrendRequest = {startDate: StartDate, endDate: EndDate, apiId: ApiId, compareType?: TransactionTrendCompareType | undefined, granularity?: SalesTrendGranularity | undefined};

export type CreateApiV1ReportsRetailSalesTransactionTrendsArgs = {body: TransactionTrendRequest};

export type CreateApiV1ReportsRetailSalesTransactionTrendsOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const requestId = z.string();

export const startDate = z.string();

export const endDate = z.string();

export const apiId = z.string();

export const salesTrendGranularity = z.enum(["day", "week", "month"]);

export const transactionTrendResponse = z.object({requestId: requestId, data: z.object({startDate: startDate, endDate: endDate, apiId: apiId, compareType: z.enum(["avg_chain_in_state", "avg_chain_nationwide", "avg_category_in_state", "avg_category_nationwide"]).nullable().optional(), granularity: salesTrendGranularity.optional(), trend: z.object({bins: z.array(z.string()).optional(), values: z.array(z.number()).optional()}).optional(), compare: z.object({bins: z.array(z.string()).optional(), values: z.array(z.number()).optional()}).nullable().optional()}).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
};

/**
 * Retail Sales Transactions Trends Report
 * 
 * POST /v1/reports/retail-sales/transaction-trends
 */
export const createApiV1ReportsRetailSalesTransactionTrends = async (args: CreateApiV1ReportsRetailSalesTransactionTrendsArgs, options?: CreateApiV1ReportsRetailSalesTransactionTrendsOptions) => {
const {baseUrl = "https://papi.placer.ai", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (apiKey !== undefined) headers.set("x-api-key", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/reports/retail-sales/transaction-trends${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

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

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