import {z} from 'zod'

export type GetApiUserYieldUserIdArgs = {user_id: string, fund_id?: string | undefined, page?: number | undefined, limit?: number | undefined};

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

export const userYield = z.object({apy: z.number(), base_asset: z.string(), entry_date: z.string(), fund_id: z.string(), fund_name: z.string(), last_updated: z.string(), position_value: z.number().int().gte(0), yield_earned: z.number().int().gte(0)});

export const paginationMeta = z.object({has_more: z.boolean(), page: z.number().int().gte(0), per_page: z.number().int().gte(0), total: z.number().int().gte(0), total_pages: z.number().int().gte(0)});

export const userYieldResponse = z.object({data: z.array(userYield), meta: paginationMeta});

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 user yield positions
 * 
 * GET /user-yield/{user_id}
 */
export const getApiUserYieldUserId = async (args: GetApiUserYieldUserIdArgs, options?: GetApiUserYieldUserIdOptions) => {
const {baseUrl = "https://api.breeze.baby", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args.fund_id != null) query.append("fund_id", String(args.fund_id))
if (args.page != null) query.append("page", String(args.page))
if (args.limit != null) query.append("limit", String(args.limit))
if (apiKey !== undefined) headers.set("x-api-key", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/user-yield/${encodeURIComponent(String(args.user_id))}${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(userYieldResponse, await res.json())
};