import {z} from 'zod'

export type BasePeriod = 'annual' | 'quarter';

export type GetApiApiFootnotesBusinessSegmentationArgs = {symbol?: string | undefined, cik?: number | undefined, cusip?: string | undefined, composite_figi?: string | undefined, share_class_figi?: string | undefined, period?: BasePeriod | undefined, limit?: number | undefined, includeSubtotals?: boolean | undefined};

export type GetApiApiFootnotesBusinessSegmentationOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const baseFiscalPeriod = z.enum(["FY", "Q1", "Q2", "Q3", "Q4"]);

export const getApiApiFootnotesBusinessSegmentationResponse = z.array(z.object({period: z.string().optional(), fiscalYear: z.number().int().optional(), fiscalPeriod: baseFiscalPeriod.optional(), unit: z.string().optional(), segments: z.array(z.object({member: z.string().optional(), name: z.string().optional(), role: z.enum(["segment", "elimination", "reconciling", "subtotal"]).optional(), metrics: z.object({revenue: z.number().optional(), operatingIncome: z.number().optional(), grossProfit: z.number().optional(), assets: z.number().optional(), goodwill: z.number().optional(), depreciationAmortization: z.number().optional(), capex: z.number().optional(), netIncome: z.number().optional()}).optional()})).optional(), dateFiled: z.string().nullable().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
};

/**
 * Business Segmentation
 * 
 * GET /api/footnotes/business-segmentation
 */
export const getApiApiFootnotesBusinessSegmentation = async (args: GetApiApiFootnotesBusinessSegmentationArgs, options?: GetApiApiFootnotesBusinessSegmentationOptions) => {
const {baseUrl = "https://api.stockfit.io/v1", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.symbol != null) query.append("symbol", String(args.symbol))
if (args.cik != null) query.append("cik", String(args.cik))
if (args.cusip != null) query.append("cusip", String(args.cusip))
if (args.composite_figi != null) query.append("composite_figi", String(args.composite_figi))
if (args.share_class_figi != null) query.append("share_class_figi", String(args.share_class_figi))
if (args.period != null) query.append("period", String(args.period))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.includeSubtotals != null) query.append("includeSubtotals", String(args.includeSubtotals))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/footnotes/business-segmentation${query.size > 0 ? `?${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(getApiApiFootnotesBusinessSegmentationResponse, await res.json())
};