import {z} from 'zod'

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

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

export const apiYieldAllocation = z.object({current_value: z.number().int().gte(0), deposit_amount: z.number().int().gte(0), deposit_timestamp: z.number().int(), index: z.number().int().gte(0), position_id: z.string(), protocol: z.string(), protocol_id: z.string(), time_weighted_value: z.number().int().gte(0), yield_source_type: z.string()});

export const apiConstraintType = z.enum(["MaxPercentage", "MaxBaseAssetAmount"]);

export const apiYieldSourceTarget = z.object({protocol: z.string(), yield_source_type: z.string()});

export const apiFundConstraint = z.object({constraint_type: apiConstraintType, value: z.number().int().gte(0), yield_source_target: apiYieldSourceTarget});

export const apiProtocolOptions = z.object({drift_market: z.string(), jup_lend_market: z.string(), jup_lend_reserve: z.string(), kamino_reserve: z.string(), marginfi_bank: z.string()});

export const apiLendFundStatus = z.enum(["Live", "Paused", "WithdrawOnly"]);

export const apiFund = z.object({allocated_to_yield: z.number().int().gte(0), allocations: z.array(apiYieldAllocation), assigned_org: apiFundOrganization.nullable().optional(), authority: z.string(), base_asset_token_account: z.string(), base_asset_token_decimals: z.number().int().gte(0), base_asset_token_mint: z.string(), bump: z.number().int().gte(0), constraints: z.array(apiFundConstraint), current_value: z.number().int().gte(0), fund_id: z.string(), has_fees: z.boolean(), index_number: z.number().int().gte(0), last_rebalance_slot: z.number().int().gte(0), last_value_tracked_at: z.number().int().gte(0), lookup_table: z.string(), protocol_options: apiProtocolOptions, risk_aversion_bps: z.number().int().gte(0), risk_max: z.number().int().gte(0), share_price: z.number().int().gte(0), status: apiLendFundStatus, token_account_bump: z.number().int().gte(0), total_deposits: z.number().int().gte(0), total_shares: z.number().int().gte(0), total_users: z.number().int().gte(0), unallocated_amount: z.number().int().gte(0), updated_at_slot: z.number().int().gte(0), updated_at_timestamp: z.number().int().gte(0), withdraw_authority: z.string().nullable().optional()});

export const apiFundWithStrategyInfo = z.object({assigned_org: apiFundOrganization.nullable().optional(), fund: apiFund, strategy_name: z.string().nullable().optional()});

export const organizationFundsResponse = z.object({funds: z.array(apiFundWithStrategyInfo), is_admin: z.boolean()});

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 /funds
 */
export const getApiFunds = async (options?: GetApiFundsOptions) => {
const {baseUrl = "https://api.breeze.baby", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

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

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