import {z} from 'zod'

export type GetApiV1StocksTickerFinancialFactsConceptArgs = {ticker: string, concept: string};

export type GetApiV1StocksTickerFinancialFactsConceptOptions = {baseUrl?: string | undefined, ApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const financialFactPointDto = z.object({fiscalPeriod: z.string().nullable().optional(), value: z.number().optional(), splitBasis: z.string().nullable().optional(), periodStart: z.string().nullable().optional(), periodEnd: z.string().optional(), filedDate: z.string().optional(), form: z.string().nullable().optional(), isComparableAnnual: z.boolean().optional(), documentId: z.string().nullable().optional()});

export const financialFactResponse = z.object({ticker: z.string().nullable().optional(), companyName: z.string().nullable().optional(), concept: z.string().nullable().optional(), unit: z.string().nullable().optional(), coverageEndDate: z.string().nullable().optional(), companyFactsThrough: z.string().nullable().optional(), coverageNote: z.string().nullable().optional(), tagWarning: z.string().nullable().optional(), quarterly: z.array(financialFactPointDto).nullable().optional(), annual: z.array(financialFactPointDto).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
};

/**
 * One consolidated financial concept over time for a company, sourced from structured SEC XBRL. Returns separate annual and discrete-quarter series, oldest first, using the latest restated value: one point per fiscal period for flows, one point per as-of date (periodEnd) for balances and share counts. Per-share values and common-share counts are on today's split basis (splitBasis says when the filed value is kept).
 * 
 * GET /v1/stocks/{ticker}/financial-facts/{concept}
 */
export const getApiV1StocksTickerFinancialFactsConcept = async (args: GetApiV1StocksTickerFinancialFactsConceptArgs, options?: GetApiV1StocksTickerFinancialFactsConceptOptions) => {
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 (ApiKey !== undefined) headers.set('authorization', `Bearer ${ApiKey}`)

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