import {z} from 'zod'

export type GetApiTradingProvidersArgs = {pageSize?: number | undefined, pageCursor?: string | undefined};

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

export const participantsIdentificationJsonSchema = z.string();

export const transferRail = z.enum(["BLOCKCHAIN", "INTERNAL", "SWIFT", "IBAN", "US_WIRE", "ACH", "SEPA", "SPEI", "PIX", "LBT", "MOMO", "CHAPS", "PAYID", "INTERAC", "INTERNAL_TRANSFER", "CIPS", "NEQUI", "FPS_UK", "FPS_HK", "INSTA_PAY", "PESONET"]);

export const flowDirection = z.enum(["FIAT_TO_CRYPTO", "CRYPTO_TO_FIAT", "CRYPTO_TO_CRYPTO", "FIAT_TO_FIAT"]);

export const identificationPolicyOverride = z.object({asset: z.string().optional(), rail: transferRail.optional(), flowDirection: flowDirection.optional(), schema: participantsIdentificationJsonSchema});

export const participantsIdentificationPolicy = z.object({defaultSchema: participantsIdentificationJsonSchema, overrides: z.array(identificationPolicyOverride).optional()});

export const participantRelationshipType = z.enum(["FirstParty", "SecondParty", "ThirdParty"]);

export const settlementTypeEnum = z.enum(["DVP", "PREFUNDED", "POST_TRADE"]);

export const executionRequestDetailsType = z.enum(["QUOTE", "MARKET", "LIMIT"]);

export const manifestOrder = z.object({supported: z.boolean(), participantsIdentificationPolicy: participantsIdentificationPolicy.optional(), supportedParties: z.array(participantRelationshipType).optional(), settlementTypes: z.array(settlementTypeEnum).optional(), executionTypes: z.array(executionRequestDetailsType), requiresReasonForPayment: z.boolean().optional()});

export const dVPSettlementType = z.literal("DVP");

export const manifestQuote = z.object({supported: z.boolean(), participantsIdentificationPolicy: participantsIdentificationPolicy.optional(), supportedParties: z.array(participantRelationshipType).optional(), settlementTypes: z.array(dVPSettlementType).optional()});

export const manifestBase = z.object({supported: z.boolean(), participantsIdentificationPolicy: participantsIdentificationPolicy.optional(), supportedParties: z.array(participantRelationshipType).optional()});

export const manifest = z.object({order: manifestOrder, quote: manifestQuote, rate: manifestBase});

export const accountBase = z.object({id: z.string(), name: z.string()});

export const accountBasedAccessProvider = z.object({id: z.string(), name: z.string(), logo: z.string().optional(), accountBased: z.boolean(), manifest: manifest, connected: z.boolean(), accounts: z.array(accountBase)});

export const directAccessProvider = z.object({id: z.string(), name: z.string(), logo: z.string().optional(), accountBased: z.boolean(), manifest: manifest, approved: z.boolean().optional(), hasTermsOfService: z.boolean(), termsOfServiceUrl: z.string().optional(), privacyPolicyUrl: z.string().optional()});

export const tradingProvider = z.union([accountBasedAccessProvider, directAccessProvider]);

export const providersListResponse = z.object({data: z.array(tradingProvider), total: z.number().int(), next: z.string().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 providers
 * 
 * GET /trading/providers
 */
export const getApiTradingProviders = async (args: GetApiTradingProvidersArgs, options?: GetApiTradingProvidersOptions) => {
const {baseUrl = "https://api.fireblocks.io/v1", fetch: fetchFn = fetch} = options ?? {}

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

if (args.pageSize != null) query.append("pageSize", String(args.pageSize))
if (args.pageCursor != null) query.append("pageCursor", String(args.pageCursor))

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