import {z} from 'zod'

export type GetApiV1InvestorsCodePositionsArgs = {code: string, trajectory_type?: (string | null) | undefined, limit?: number | undefined};

export type GetApiV1InvestorsCodePositionsOptions = {baseUrl: string, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const holderFormerNameOut = z.object({name_jp: z.string(), first_base_date: z.string().nullable().optional(), last_base_date: z.string().nullable().optional()});

export const investorInfo = z.object({edinet_code: z.string().nullable().optional(), filer_code: z.string(), name_jp: z.string().nullable().optional(), name_en: z.string().nullable().optional(), former_names: z.array(holderFormerNameOut).optional(), identity_basis: z.string().nullable().optional(), total_positions: z.number().int().nullable().optional(), active_positions: z.number().int().nullable().optional()});

export const investorPositionOut = z.object({issuer_security_code: z.string().nullable().optional(), issuer_name: z.string().nullable().optional(), issuer_name_jp: z.string().nullable().optional(), latest_holding_pct: z.number().nullable().optional(), trajectory_type: z.string().nullable().optional(), streak_length: z.number().int().nullable().optional(), velocity_pp_per_month: z.number().nullable().optional(), purpose_category: z.string().nullable().optional(), first_date: z.string().nullable().optional(), last_date: z.string().nullable().optional(), filing_count: z.number().int().nullable().optional(), delta_90d_pct: z.number().nullable().optional(), delta_180d_pct: z.number().nullable().optional(), delta_1y_pct: z.number().nullable().optional(), points: z.array(z.record(z.string(), z.unknown())).optional()});

export const jointFilerOut = z.object({edinet_code: z.string().nullable().optional(), name: z.string(), names: z.array(z.string()).optional(), co_filing_count: z.number().int(), last_base_date: z.string().nullable().optional()});

export const investorPositionsData = z.object({investor: investorInfo.nullable().optional(), positions: z.array(investorPositionOut).optional(), joint_filers: z.array(jointFilerOut).optional()});

export const axioraApiSchemasMeta = z.record(z.string(), z.unknown());

export const singleResponseInvestorPositionsData = z.object({data: investorPositionsData, meta: axioraApiSchemasMeta});

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
};

/**
 * Get Investor Positions
 * 
 * GET /v1/investors/{code}/positions
 */
export const getApiV1InvestorsCodePositions = async (args: GetApiV1InvestorsCodePositionsArgs, options: GetApiV1InvestorsCodePositionsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (args.trajectory_type != null) query.append("trajectory_type", String(args.trajectory_type))
if (args.limit != null) query.append("limit", String(args.limit))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/investors/${encodeURIComponent(String(args.code))}/positions${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(singleResponseInvestorPositionsData, await res.json())
};