import {z} from 'zod'

export type GetApiV1StocksTickerEarningsBriefsArgs = {ticker: string, limit?: number | undefined, fiscalYear?: number | undefined, fiscalQuarter?: number | undefined};

export type GetApiV1StocksTickerEarningsBriefsOptions = {baseUrl?: string | undefined, ApiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const listingNotice = z.object({status: z.string().nullable().optional(), ticker: z.string().nullable().optional(), delistedOn: z.string().nullable().optional(), successorTicker: z.string().nullable().optional()});

export const earningsBriefNarrativeShiftDto = z.object({priorFiscalYear: z.number().int().optional(), priorFiscalQuarter: z.number().int().optional(), derived: z.boolean().optional(), newBullish: z.array(z.string()).nullable().optional(), newBearish: z.array(z.string()).nullable().optional(), noLongerRaised: z.array(z.string()).nullable().optional()});

export const callGuidancePriorRangeDto = z.object({filedDate: z.string().optional(), low: z.number().optional(), high: z.number().optional()});

export const callGuidanceItemDto = z.object({metric: z.string().nullable().optional(), period: z.string().nullable().optional(), fiscalYear: z.number().int().nullable().optional(), fiscalQuarter: z.number().int().nullable().optional(), low: z.number().nullable().optional(), high: z.number().nullable().optional(), midpoint: z.number().nullable().optional(), unit: z.string().nullable().optional(), basis: z.string().nullable().optional(), fromTable: z.boolean().optional(), quote: z.string().nullable().optional(), actual: z.number().nullable().optional(), actualVerdict: z.string().nullable().optional(), actualIsDerived: z.boolean().optional(), changeVsPrior: z.string().nullable().optional(), priorGuidanceRange: callGuidancePriorRangeDto.optional()});

export const earningsBriefGuidanceReadingDto = z.object({filedDate: z.string().optional(), form: z.string().nullable().optional(), filingUrl: z.string().nullable().optional(), items: z.array(callGuidanceItemDto).nullable().optional()});

export const earningsBriefReportedGuidanceDto = z.object({guidanceFiledDate: z.string().optional(), guidanceForm: z.string().nullable().optional(), guidanceFilingUrl: z.string().nullable().optional(), item: callGuidanceItemDto.optional()});

export const earningsBriefGuidanceComparisonDto = z.object({issuedAtCall: z.array(earningsBriefGuidanceReadingDto).nullable().optional(), reportedVsCompanyGuidance: z.array(earningsBriefReportedGuidanceDto).nullable().optional()});

export const briefQuoteDto = z.object({text: z.string().nullable().optional(), speakerName: z.string().nullable().optional(), speakerRole: z.string().nullable().optional(), startSeconds: z.number().nullable().optional()});

export const earningsBriefDto = z.object({fiscalYear: z.number().int().optional(), fiscalQuarter: z.number().int().optional(), callDate: z.string().optional(), tldr: z.string().nullable().optional(), bullish: z.array(z.string()).nullable().optional(), bearish: z.array(z.string()).nullable().optional(), narrativeShift: earningsBriefNarrativeShiftDto.optional(), guidanceComparison: earningsBriefGuidanceComparisonDto.optional(), quotes: z.array(briefQuoteDto).nullable().optional()});

export const earningsBriefDtoListResponse = z.object({listingNotice: listingNotice.optional(), data: z.array(earningsBriefDto).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
};

/**
 * The AI earnings brief for a company's recent calls — a verifier-approved TL;DR, bullish and bearish points, verbatim pull-quotes, a deterministic narrative shift, and company-guidance updates plus reported results versus prior company guidance when available. Newest quarter first.
 * 
 * GET /v1/stocks/{ticker}/earnings-briefs
 */
export const getApiV1StocksTickerEarningsBriefs = async (args: GetApiV1StocksTickerEarningsBriefsArgs, options?: GetApiV1StocksTickerEarningsBriefsOptions) => {
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.limit != null) query.append("limit", String(args.limit))
if (args.fiscalYear != null) query.append("fiscalYear", String(args.fiscalYear))
if (args.fiscalQuarter != null) query.append("fiscalQuarter", String(args.fiscalQuarter))
if (ApiKey !== undefined) headers.set('authorization', `Bearer ${ApiKey}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/stocks/${encodeURIComponent(String(args.ticker))}/earnings-briefs${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(earningsBriefDtoListResponse, await res.json())
};