import {z} from 'zod'

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

export const portfolioCustodyType = z.enum(["segregated-trust-wallet", "segregated-custody-account", "clearloop-omnibus", "external"]);

export const portfolioSettlementStatus = z.enum(["not-yet-settled", "eligibility-checks", "awaiting-exchange-calculation", "in-progress", "order-processing", "completed", "failed", "excluded", "paused-copper", "disabled"]);

export const portfolioSettlementDetails = z.object({comments: z.string().optional(), status: portfolioSettlementStatus.optional()});

export const clearLoopPortfolioResponse = z.object({clientAccountId: z.string().optional(), custodyType: portfolioCustodyType.optional(), delegationsEnabled: z.boolean().optional(), disabledDelegationsReason: z.string().optional(), disabledUndelegationsReason: z.string().optional(), organizationId: z.string().optional(), portfolioId: z.string().optional(), settlementDetails: portfolioSettlementDetails.optional(), settlementStatus: portfolioSettlementStatus.optional(), undelegationsEnabled: z.boolean().optional()});

export const clearLoopPortfoliosResponse = z.object({portfolios: z.array(clearLoopPortfolioResponse).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
};

/**
 * Get ClearLoop Portfolios
 * 
 * GET /clearloop/portfolios
 */
export const getApiClearloopPortfolios = async (options?: GetApiClearloopPortfoliosOptions) => {
const {baseUrl = "https://api.copper.co/platform", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/clearloop/portfolios${query.size > 0 ? `?${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(clearLoopPortfoliosResponse, await res.json())
};