import {z} from 'zod'

export type GetApiV1MarketsArgs = {force_refresh?: boolean | undefined, market_ids?: Array<unknown> | undefined};

export type GetApiV1MarketsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const apiMarketConfig = z.object({name: z.string().optional(), quote: z.string().optional(), step_size: z.string().optional(), step_price: z.string().optional(), maintenance_margin_factor: z.string().optional(), max_leverage: z.string().optional(), min_order_size: z.string().optional(), unlocked: z.boolean().optional(), open_interest_limit: z.string().optional()});

export const apiMarketInfo = z.object({market_id: z.string().optional(), config: apiMarketConfig.optional(), base_asset_symbol: z.string().optional(), quote_asset_symbol: z.string().optional(), underlying: z.string().optional(), display_name: z.string().optional(), quote_volume_24h: z.string().optional(), change_24h: z.string().optional(), high_24h: z.string().optional(), low_24h: z.string().optional(), last_price: z.string().optional(), mark_price: z.string().optional(), index_price: z.string().optional(), max_position_size: z.string().optional(), open_interest: z.string().optional(), funding_interval: z.string().optional(), next_funding_time: z.string().optional(), post_only: z.boolean().optional(), last_cumulative_funding: z.string().optional(), predicted_funding_rate: z.string().optional(), display_base_asset_symbol: z.string().optional(), accumulated_funding: z.string().optional(), current_funding_rate: z.string().optional(), funding_rate_8h: z.string().optional(), active: z.boolean().optional(), category: z.string().optional(), search_tags: z.array(z.string()).optional(), is_new: z.boolean().optional(), reduce_only: z.boolean().optional()});

export const apiGetMarketsResponse = z.object({markets: z.array(apiMarketInfo).optional(), cached_at: 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 market configurations
 * 
 * GET /v1/markets
 */
export const getApiV1Markets = async (args: GetApiV1MarketsArgs, options?: GetApiV1MarketsOptions) => {
const {baseUrl = "https://api.testnet.rise.trade", fetch: fetchFn = fetch} = options ?? {}

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

if (args.force_refresh != null) query.append("force_refresh", String(args.force_refresh))
for (const item of args.market_ids ?? []) query.append("market_ids", String(item))

const url = `${baseUrl.replace(/\/+$/, '')}/v1/markets${query.size > 0 ? `?${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(apiGetMarketsResponse, await res.json())
};