import {z} from 'zod'

export type ApiConstraintType = 'MaxPercentage' | 'MaxBaseAssetAmount';

export type ApiYieldSourceTarget = {protocol: string, yield_source_type: string};

export type ApiFundConstraint = {constraint_type: ApiConstraintType, value: number, yield_source_target: ApiYieldSourceTarget};

export type ApiFundFee = {fee_bps: number, fee_type: string, recipient: string};

export type ApiCreateFundRebalanceSettings = {min_position_settle_time?: (number | null) | undefined, min_rebalance_value?: (number | null) | undefined, rebalance_period?: (number | null) | undefined, unallocated_threshold?: (number | null) | undefined};

export type ApiYieldSourceIds = {drift: string, jupiter_lend: string, kamino: string, marginfi: string};

export type ApiCreateFundRequest = {base_asset_mint: string, constraints?: (Array<ApiFundConstraint> | null) | undefined, fees?: (Array<ApiFundFee> | null) | undefined, organization_id?: (string | null) | undefined, rebalance_settings?: (ApiCreateFundRebalanceSettings | null) | undefined, risk_aversion_bps: number, risk_max: number, strategy_id: string, yield_source_ids: ApiYieldSourceIds};

export type CreateApiAdminCreateFundArgs = {body: ApiCreateFundRequest};

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

export const createFundApiResult = z.object({message: z.string(), status: z.string(), task_id: z.string()});

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
};

/**
 * POST /admin/create-fund
 */
export const createApiAdminCreateFund = async (args: CreateApiAdminCreateFundArgs, options?: CreateApiAdminCreateFundOptions) => {
const {baseUrl = "https://api.breeze.baby", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/admin/create-fund${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createFundApiResult, await res.json())
};