import {z} from 'zod'

export type GetApiOnrampOptionsArgs = {provider: 'swapped' | 'noah', kind?: ('fiat' | 'exchange') | undefined, currency?: ('EUR' | 'USD') | undefined, connections?: string | undefined, connectionKind?: ('exchange' | 'wallet' | 'all') | undefined, 'x-api-key'?: string | undefined, 'x-user-country'?: string | undefined, 'x-client-ip'?: string | undefined, authorization?: string | undefined};

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

export const onrampOptions = z.union([z.object({provider: z.literal("swapped"), kind: z.literal("fiat"), country: z.string().nullable(), methods: z.array(z.object({method: z.string(), label: z.string(), iconUrl: z.string().nullable(), iconUrlLight: z.string().nullable(), minAmount: z.number().gte(0).nullable(), maxAmount: z.number().gte(0).nullable(), currencies: z.array(z.string().min(3).max(3)), badge: z.literal("Popular").nullable()})), otherMethods: z.array(z.object({method: z.string(), label: z.string(), iconUrl: z.string().nullable(), iconUrlLight: z.string().nullable(), minAmount: z.number().gte(0).nullable(), maxAmount: z.number().gte(0).nullable(), currencies: z.array(z.string().min(3).max(3)), badge: z.literal("Popular").nullable()})), recommendedMethod: z.string().nullable()}), z.object({provider: z.literal("swapped"), kind: z.literal("exchange"), connections: z.array(z.object({connection: z.string(), name: z.string(), logoUrl: z.string().nullable(), kind: z.enum(["exchange", "wallet"]), appHandoff: z.enum(["none", "https_link", "custom_scheme"])}))}), z.object({provider: z.literal("noah"), options: z.array(z.object({optionId: z.string(), currency: z.enum(["EUR", "USD"])}))})]);

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
};

/**
 * List onramp options
 * 
 * GET /onramp/options
 * 
 * Also accepts auth: internalProjectBearer, complianceSessionBearer
 */
export const getApiOnrampOptions = async (args: GetApiOnrampOptionsArgs, options?: GetApiOnrampOptionsOptions) => {
const {baseUrl = "https://v1.orchestrator.rhinestone.dev/deposit-processor", fetch: fetchFn = fetch, tenantApiKey} = options ?? {}

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

if (args.provider != null) query.append("provider", String(args.provider))
if (args.kind != null) query.append("kind", String(args.kind))
if (args.currency != null) query.append("currency", String(args.currency))
if (args.connections != null) query.append("connections", String(args.connections))
if (args.connectionKind != null) query.append("connectionKind", String(args.connectionKind))
if (args['x-api-key'] != null) headers.set("x-api-key", String(args['x-api-key']))
if (args['x-user-country'] != null) headers.set("x-user-country", String(args['x-user-country']))
if (args['x-client-ip'] != null) headers.set("x-client-ip", String(args['x-client-ip']))
if (args.authorization != null) headers.set("authorization", String(args.authorization))
if (tenantApiKey !== undefined) headers.set("x-api-key", tenantApiKey)

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