import {z} from 'zod'

export type GetApiV3OrdersArgs = {contract_id?: string | undefined, created_datetime_max?: string | undefined, created_datetime_min?: string | undefined, id?: Array<string> | undefined, limit?: number | undefined, market_id?: Array<string> | undefined, pagination_last_id?: string | undefined, sequence_number_max?: number | undefined, sequence_number_min?: number | undefined, state?: (Array<'created' | 'partial' | 'filled' | 'settled'>) | undefined, side?: ('buy' | 'sell') | undefined, sort?: ('id' | '-id') | undefined, include_promotion_data?: boolean | undefined};

export type GetApiV3OrdersOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiV3OrdersResponse = z.object({orders: z.array(z.object({average_price_matched: z.number().int().gte(0).lte(10000), average_price_matched_precise: z.string(), best_price: z.object({price: z.number().int().gte(1).lte(9999), source: z.string()}).nullable().optional(), bonus_bet: z.boolean().optional(), contract_id: z.string(), created_datetime: z.string(), id: z.string(), label: z.string().nullable().optional(), last_modified_datetime: z.string(), market_id: z.string(), original_order_id: z.string().nullable(), otc_available: z.boolean().optional(), outcome: z.enum(["winner", "loser", "deadheat", "reduce", "void"]).nullable().optional(), price: z.number().int().gte(1).lte(9999), quantity: z.number().int().gte(0).lte(4294967295), quantity_filled: z.number().int(), quantity_filled_pending: z.number().int(), quantity_filled_pending_user_currency: z.number().int(), quantity_filled_user_currency: z.number().int(), quantity_traded_out_user_currency: z.number().int().gte(0).lte(4294967295), quantity_unfilled: z.number().int(), quantity_unfilled_user_currency: z.number().int(), quantity_user_currency: z.number().int().gte(0).lte(4294967295), sequence_number: z.number().int(), side: z.enum(["buy", "sell"]), stake_traded_out_user_currency: z.number(), state: z.enum(["created", "partial", "filled", "settled"]), token_used: z.object({bet_token_type: z.enum(["free_bet", "boost_bet"]).nullable(), boost_percent: z.number().nullable(), original_price: z.number().int().gte(1).lte(9999).nullable().optional()}), type: z.enum(["good_til_cancelled", "keep_in_play", "good_til_halted", "immediate_or_cancel", "over_the_counter", "over_the_counter_free"]).optional()})), otc_available: z.boolean().optional(), pagination: z.object({next_page: z.string().nullable()})});

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
};

/**
 * Retrieve current orders on Smarkets, these include open and recently settled orders.
 * 
 * GET /v3/orders/
 */
export const getApiV3Orders = async (args: GetApiV3OrdersArgs, options?: GetApiV3OrdersOptions) => {
const {baseUrl = "https://api.smarkets.com", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args.contract_id != null) query.append("contract_id", String(args.contract_id))
if (args.created_datetime_max != null) query.append("created_datetime_max", String(args.created_datetime_max))
if (args.created_datetime_min != null) query.append("created_datetime_min", String(args.created_datetime_min))
for (const item of args.id ?? []) query.append("id", String(item))
if (args.limit != null) query.append("limit", String(args.limit))
for (const item of args.market_id ?? []) query.append("market_id", String(item))
if (args.pagination_last_id != null) query.append("pagination_last_id", String(args.pagination_last_id))
if (args.sequence_number_max != null) query.append("sequence_number_max", String(args.sequence_number_max))
if (args.sequence_number_min != null) query.append("sequence_number_min", String(args.sequence_number_min))
for (const item of args.state ?? []) query.append("state", String(item))
if (args.side != null) query.append("side", String(args.side))
if (args.sort != null) query.append("sort", String(args.sort))
if (args.include_promotion_data != null) query.append("include_promotion_data", String(args.include_promotion_data))
if (apiKey !== undefined) headers.set("Authorization", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v3/orders/${query.size > 0 ? `?${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(getApiV3OrdersResponse, await res.json())
};