import {z} from 'zod'

export type HederaChain = 'mainnet';

export type HederaOptions = 'validation' | 'simulation';

export type RoutersChainAgnosticModelsRequestAccount = {account_id: string, account_creation_timestamp?: string | undefined, user_age?: number | undefined, user_country_code?: string | undefined, account_addresses?: Array<string> | undefined};

export type RoutersChainAgnosticModelsRequestConnection = {user_agent?: string | undefined, ip_address: unknown, origin?: string | undefined, walletconnect_name?: string | undefined, walletconnect_description?: string | undefined};

export type HederaWalletRequestMetadata = {type: 'wallet', url: string, account?: RoutersChainAgnosticModelsRequestAccount | undefined, connection?: RoutersChainAgnosticModelsRequestConnection | undefined, non_dapp?: (boolean | null) | undefined};

export type HederaInAppRequestMetadata = {type?: 'in_app' | undefined, account?: RoutersChainAgnosticModelsRequestAccount | undefined, connection?: RoutersChainAgnosticModelsRequestConnection | undefined, non_dapp?: (boolean | null) | undefined};

export type HederaTransactionRequestSchema = {chain: HederaChain, options?: Array<HederaOptions> | undefined, account_address: unknown, transaction: string, metadata: HederaWalletRequestMetadata | HederaInAppRequestMetadata} | {[key: string]: unknown};

export type CreateApiV0HederaTransactionScanArgs = {body: HederaTransactionRequestSchema};

export type CreateApiV0HederaTransactionScanOptions = {baseUrl?: string | undefined, APIKey?: string | undefined, fetch?: typeof fetch | undefined};

export const hederaNativeAssetDetailsSchema = z.object({type: z.literal("NATIVE").optional()});

export const hederaAssetTransferDetailsSchema = z.object({usd_price: z.number().nullable().optional(), summary: z.string().nullable().optional(), value: z.string(), raw_value: z.number().int()});

export const hederaAccountNativeAssetTransferDiffDetailsSchema = z.object({asset: hederaNativeAssetDetailsSchema, in: hederaAssetTransferDetailsSchema.optional(), out: hederaAssetTransferDetailsSchema.optional(), asset_type: z.string()});

export const hederaTokenDetailsSchema = z.object({type: z.literal("TOKEN").optional(), id: z.string(), name: z.string(), symbol: z.string(), logo_url: z.string().nullable().optional(), decimals: z.number().int(), description: z.string()});

export const hederaAccountTokenTransferDiffDetailsSchema = z.object({asset: hederaTokenDetailsSchema, in: hederaAssetTransferDetailsSchema.optional(), out: hederaAssetTransferDetailsSchema.optional(), asset_type: z.string()});

export const hederaNFTDetailsSchema = z.object({type: z.literal("NFT").optional(), id: z.string(), nft_type: z.string(), name: z.string(), description: z.string(), logo_url: z.string().nullable().optional()});

export const hederaERC721DiffSchema = z.object({usd_price: z.number().nullable().optional(), summary: z.string().nullable().optional(), token_id: z.string()});

export const nFTDetailsSchemaERC721DiffSchema = z.object({asset: hederaNFTDetailsSchema, in: hederaERC721DiffSchema.optional(), out: hederaERC721DiffSchema.optional(), asset_type: z.string()});

export const hederaAssetExposureSchema = z.object({exposure: z.array(hederaAssetTransferDetailsSchema), summary: z.string().nullable().optional()});

export const hederaAddressAssetExposureSchemaType = z.object({asset: z.union([hederaNativeAssetDetailsSchema, hederaTokenDetailsSchema, hederaNFTDetailsSchema]), spenders: z.record(z.string(), hederaAssetExposureSchema).optional()});

export const hederaAddressDetailsBaseSchema = z.object({account_address: z.string(), description: z.string().nullable().optional()});

export const hederaTotalUsdDiffSchema = z.object({in: z.number(), out: z.number(), total: z.number().optional()});

export const hederaAccountSummaryBaseSchemaType = z.object({account_assets_diffs: z.array(z.union([hederaAccountNativeAssetTransferDiffDetailsSchema, hederaAccountTokenTransferDiffDetailsSchema, nFTDetailsSchemaERC721DiffSchema])).optional(), account_exposures: z.array(hederaAddressAssetExposureSchemaType), total_usd_diff: hederaTotalUsdDiffSchema, total_usd_exposure: z.record(z.string(), z.number()).optional()});

export const hederaTransactionAction = z.enum(["native_wrap", "native_transfer", "token_transfer", "swap", "mint", "stake", "approval", "proxy_upgrade", "ownership_change", "set_code_account"]);

export const hederaSimulationResponse = z.object({status: z.literal("Success"), assets_diffs: z.record(z.string(), z.array(z.union([hederaAccountNativeAssetTransferDiffDetailsSchema, hederaAccountTokenTransferDiffDetailsSchema, nFTDetailsSchemaERC721DiffSchema]))).optional(), exposures: z.record(z.string(), z.array(hederaAddressAssetExposureSchemaType)).optional(), address_details: z.array(hederaAddressDetailsBaseSchema).optional(), account_summary: hederaAccountSummaryBaseSchemaType, transaction_actions: z.array(z.union([hederaTransactionAction, z.string()])).nullable().optional()});

export const hederaGenericErrorDetails = z.object({code: z.string(), category: z.string()});

export const hederaUnsupportedTransactionTypeErrorDetails = z.object({category: z.literal("INVALID_INPUT"), code: z.literal("UNSUPPORTED_TRANSACTION_TYPE"), transaction_type: z.string()});

export const hederaSimulationErrorSchema = z.object({status: z.literal("Error"), error: z.string(), error_details: z.union([hederaGenericErrorDetails, hederaUnsupportedTransactionTypeErrorDetails]).optional()});

export const hederaVerdict = z.enum(["Benign", "Warning", "Malicious", "Error"]);

export const hederaValidationFeatureType = z.enum(["Benign", "Warning", "Malicious", "Info"]);

export const hederaValidationResponse = z.object({type: hederaValidationFeatureType, feature_id: z.string(), description: z.string(), address: z.string().nullable()});

export const hederaTransactionScanResponseSchema = z.object({simulation: z.union([hederaSimulationResponse, hederaSimulationErrorSchema]).nullable().optional(), validation: z.union([z.object({status: z.literal("Success"), result_type: hederaVerdict, description: z.string(), reason: z.string(), classification: z.string(), features: z.array(hederaValidationResponse)}), z.object({status: z.literal("Error"), error: z.string()})]).nullable().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
};

/**
 * Scan Transaction
 * 
 * POST /v0/hedera/transaction/scan
 * 
 * Also accepts auth: ClientID
 */
export const createApiV0HederaTransactionScan = async (args: CreateApiV0HederaTransactionScanArgs, options?: CreateApiV0HederaTransactionScanOptions) => {
const {baseUrl = "https://api.blockaid.io", fetch: fetchFn = fetch, APIKey} = options ?? {}

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

if (APIKey !== undefined) headers.set("X-API-Key", APIKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v0/hedera/transaction/scan${query.size > 0 ? `?${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(hederaTransactionScanResponseSchema, await res.json())
};