import {z} from 'zod'

export type ChainName = string;

export type ActivityID = string;

export type GetApiV1ChainsChainNameActivitiesActivityIdArgs = {chain_name: ChainName, activity_id: ActivityID};

export type GetApiV1ChainsChainNameActivitiesActivityIdOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const activityID = z.string();

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

export const activityType = z.enum(["mint", "burn", "transfer", "sale", "deposit", "withdrawal"]);

export const nFTContractType = z.enum(["ERC721", "ERC1155"]);

export const activityNFT = z.object({contract_type: nFTContractType, contract_address: z.string(), token_id: z.string(), amount: z.string()});

export const tokenContractType = z.literal("ERC20");

export const activityToken = z.object({contract_type: tokenContractType, contract_address: z.string()});

export const activityAsset = z.discriminatedUnion("contract_type", [activityNFT, activityToken]);

export const mint = z.object({to: z.string(), amount: z.string(), asset: activityAsset});

export const burn = z.object({from: z.string(), amount: z.string(), asset: activityAsset});

export const transfer = z.object({from: z.string(), to: z.string(), amount: z.string(), asset: activityAsset});

export const activityNativeToken = z.object({symbol: z.string()});

export const saleFee = z.object({amount: z.string().optional(), type: z.literal("ROYALTY").optional(), recipient: z.string().optional()});

export const salePayment = z.object({token: z.union([activityToken, activityNativeToken]), price_excluding_fees: z.string(), price_including_fees: z.string(), fees: z.array(saleFee)});

export const nFTSale = z.object({order_id: z.string(), to: z.string(), from: z.string(), asset: z.array(activityNFT), payment: salePayment});

export const deposit = z.object({to: z.string(), amount: z.string(), asset: activityAsset});

export const withdrawal = z.object({from: z.string(), amount: z.string(), asset: activityAsset});

export const activityDetails = z.union([mint, burn, transfer, nFTSale, deposit, withdrawal]);

export const blockchainMetadata = z.object({transaction_hash: z.string(), block_number: z.string(), transaction_index: z.string(), log_index: z.string().nullable()}).nullable();

export const activity = z.object({id: activityID, chain: chain, type: activityType, details: activityDetails, updated_at: z.string(), indexed_at: z.string(), blockchain_metadata: blockchainMetadata});

export const getActivityResult = z.object({result: activity});

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 a single activity by ID
 * 
 * GET /v1/chains/{chain_name}/activities/{activity_id}
 */
export const getApiV1ChainsChainNameActivitiesActivityId = async (args: GetApiV1ChainsChainNameActivitiesActivityIdArgs, options?: GetApiV1ChainsChainNameActivitiesActivityIdOptions) => {
const {baseUrl = "https://api.sandbox.immutable.com", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/chains/${encodeURIComponent(String(args.chain_name))}/activities/${encodeURIComponent(String(args.activity_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(getActivityResult, await res.json())
};