import {z} from 'zod'

export type EnrollDto = {walletAddress: string};

export type CreateApiCompetitionIdEnrollArgs = {id: number, body: EnrollDto};

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

export const keyInventory = z.object({total: z.number(), canAfford: z.record(z.string(), z.number())});

export const competitionRewardItemResponseDto = z.object({id: z.number(), fulfillmentType: z.enum(["galachain_mint", "galachain_transfer", "object_api_item"]), fulfillmentSubType: z.string(), collection: z.string(), category: z.string(), type: z.string(), additionalKey: z.string(), quantity: z.number(), dynamicMetadataId: z.string().optional()});

export const competitionRewardPackResponseDto = z.object({id: z.number(), claimedBy: z.string().optional(), claimedTransactionHash: z.string().optional(), items: z.array(competitionRewardItemResponseDto)});

export const chestOpenResponse = z.object({id: z.number(), tierNumber: z.number(), tierName: z.string().optional(), keysUsed: z.number(), status: z.enum(["PENDING", "PROCESSING", "FULFILLED", "FAILED"]), rewardPacks: z.array(competitionRewardPackResponseDto).nullable(), openedAt: z.string()});

export const participantResponse = z.object({id: z.number(), competitionId: z.number(), walletAddress: z.string(), totalVolumeUsd: z.number(), keysEarned: z.number(), keysSpent: z.number(), grandPrizeEntry: z.boolean(), enrolledAt: z.string(), rank: z.number().nullable(), availableKeys: keyInventory, chestOpens: z.array(chestOpenResponse)});

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
};

/**
 * POST /competition/{id}/enroll
 * 
 * POST /competition/{id}/enroll
 */
export const createApiCompetitionIdEnroll = async (args: CreateApiCompetitionIdEnrollArgs, options?: CreateApiCompetitionIdEnrollOptions) => {
const {baseUrl = "https://swap-backend.stage.defi.ovh.gala.com", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/competition/${encodeURIComponent(String(args.id))}/enroll${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(participantResponse, await res.json())
};