import {z} from 'zod'

export type GetApiV1GiveawayGiveawayIdArgs = {giveaway_id: string};

export type GetApiV1GiveawayGiveawayIdOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const giveawayStatsResponse = z.object({total_entries: z.number().int(), unique_participants: z.number().int(), total_tips_usd: z.string()});

export const giveawayResponse = z.object({id: z.string(), creator_account_id: z.string(), earning_address: z.string().nullable().optional(), creator_handle: z.string().nullable().optional(), creator_ens_name: z.string().nullable().optional(), creator_base_name: z.string().nullable().optional(), title: z.string(), description: z.string(), minimum_tip_usd: z.string(), allow_multiple_entries: z.boolean(), num_winners: z.number().int(), selection_mode: z.string(), network: z.string(), token_symbol: z.string(), start_at: z.string(), end_at: z.string(), status: z.string(), created_at: z.string(), updated_at: z.string(), drawn_at: z.string().nullable().optional(), is_winner: z.boolean().nullable().optional(), stats: giveawayStatsResponse.nullable().optional(), creator_address: z.string().nullable()});

export const giveawayWithStatsResponse = z.object({giveaway: giveawayResponse, stats: giveawayStatsResponse});

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 giveaway details
 * 
 * GET /v1/giveaway/{giveaway_id}
 */
export const getApiV1GiveawayGiveawayId = async (args: GetApiV1GiveawayGiveawayIdArgs, options: GetApiV1GiveawayGiveawayIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/giveaway/${encodeURIComponent(String(args.giveaway_id))}${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(giveawayWithStatsResponse, await res.json())
};