import {z} from 'zod'

export type GetApiV1StocksTickerFinancialStatementsStatementArgs = {ticker: string, statement: string, year?: number | undefined, period?: string | undefined};

export type GetApiV1StocksTickerFinancialStatementsStatementOptions = {baseUrl?: string | undefined, ApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const financialStatementLineDto = z.object({lineItem: z.string().nullable().optional(), value: z.number().optional(), unit: z.string().nullable().optional(), splitBasis: z.string().nullable().optional(), basis: z.string().nullable().optional(), periodStart: z.string().nullable().optional(), periodEnd: z.string().optional(), form: z.string().nullable().optional(), filedDate: z.string().optional(), accessionNumber: z.string().nullable().optional(), documentId: z.string().nullable().optional()});

export const financialStatementResponse = z.object({ticker: z.string().nullable().optional(), companyName: z.string().nullable().optional(), statement: z.string().nullable().optional(), fiscalYear: z.number().int().optional(), fiscalPeriod: z.string().nullable().optional(), data: z.array(financialStatementLineDto).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
};

/**
 * A company's income statement, balance sheet, or cash-flow statement for one fiscal period, sourced from structured SEC XBRL. Values use the latest restatement per line. Quarterly flow rows are discrete quarters; exact quarters derived from cumulative facts in one currency are marked derived.
 * 
 * GET /v1/stocks/{ticker}/financial-statements/{statement}
 */
export const getApiV1StocksTickerFinancialStatementsStatement = async (args: GetApiV1StocksTickerFinancialStatementsStatementArgs, options?: GetApiV1StocksTickerFinancialStatementsStatementOptions) => {
const {baseUrl = "https://api.equibles.com", fetch: fetchFn = fetch, ApiKey} = options ?? {}

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

if (args.year != null) query.append("year", String(args.year))
if (args.period != null) query.append("period", String(args.period))
if (ApiKey !== undefined) headers.set('authorization', `Bearer ${ApiKey}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/stocks/${encodeURIComponent(String(args.ticker))}/financial-statements/${encodeURIComponent(String(args.statement))}${query.size > 0 ? `?${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(financialStatementResponse, await res.json())
};