import {z} from 'zod'

export type EvaluateTransactionRequest = {account_address: string, chain: 'arbitrum' | 'base' | 'bsc' | 'gnosis' | 'ethereum' | 'optimism' | 'polygon' | 'sepolia' | 'monad' | 'katana', data: {data: string, from: string, to: string, type?: 'transaction' | undefined, value: string} | {eip712_executor?: (string | null) | undefined, type: 'eip712', typed_data: string}, evaluation_type: 'simulate', inline_policies?: (Array<{action: string, name: string, policy: Record<string, never>} | {[key: string]: unknown}> | null) | undefined, metadata?: Record<string, never> | undefined, options?: Array<string> | undefined} | {chain: 'arbitrum' | 'base' | 'bsc' | 'gnosis' | 'ethereum' | 'optimism' | 'polygon' | 'sepolia' | 'monad' | 'katana', evaluation_type: 'tx_hash', inline_policies?: (Array<{action: string, name: string, policy: Record<string, never>} | {[key: string]: unknown}> | null) | undefined, show_transaction_detail_for?: (Array<'approved' | 'rejected' | 'manual_approved'> | null) | undefined, tx_hash: string} | {chain: 'arbitrum' | 'base' | 'bsc' | 'gnosis' | 'ethereum' | 'optimism' | 'polygon' | 'sepolia' | 'monad' | 'katana', evaluation_type: 'time_period', show_transaction_detail_for?: (Array<'approved' | 'rejected' | 'manual_approved'> | null) | undefined, time_period: {from: string, to: string}};

export type CreateApiV0PlatformCosignersIdEvmEvaluateArgs = {id: string, body: EvaluateTransactionRequest};

export type CreateApiV0PlatformCosignersIdEvmEvaluateOptions = {baseUrl?: string | undefined, APIKey?: string | undefined, fetch?: typeof fetch | undefined};

export const matchedPolicyInfoExternal = z.object({name: z.string(), action: z.string(), type: z.string()});

export const policyTraceEntryExternal = z.object({name: z.string(), action: z.string(), type: z.string(), result: z.enum(["matched", "not_matched", "skipped"])});

export const policiesExternal = z.object({decision: z.enum(["approve", "reject", "error", "pending"]), reason: z.string().nullable().optional(), matched_policy: matchedPolicyInfoExternal.nullable().optional(), trace: z.array(policyTraceEntryExternal), should_handle_pending_tx: z.boolean().nullable().optional()});

export const evaluateTransactionResponse = z.object({policies: policiesExternal, scan_id: z.string().nullable().optional()}).and(z.record(z.string(), z.unknown()));

export const evaluationSummary = z.object({total_transactions: z.number().int(), approved: z.number().int(), rejected: z.number().int(), manual_approved: z.number().int()});

export const policyEvaluationSummary = z.object({policy_id: z.string(), policy_name: z.string(), total_evaluated: z.number().int(), approved: z.number().int(), rejected: z.number().int(), manual_approved: z.number().int(), approved_transactions: z.array(z.string()).nullable().optional(), rejected_transactions: z.array(z.string()).nullable().optional(), manual_approved_transactions: z.array(z.string()).nullable().optional(), policy_type: z.string().nullable().optional()});

export const evaluateHistoricalDataResponse = z.object({cosigner_id: z.string(), chain: z.string(), summary: evaluationSummary, policies: z.array(policyEvaluationSummary), scan: z.object({}).nullable().optional(), scan_id: z.string().nullable().optional(), scan_result: z.string().nullable().optional(), scan_timestamp: z.string().nullable().optional(), transaction_timestamp: z.string().nullable().optional()});

export const createApiV0PlatformCosignersIdEvmEvaluateResponse = z.union([evaluateTransactionResponse, evaluateHistoricalDataResponse]);

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
};

/**
 * Evaluate EVM Transaction
 * 
 * POST /v0/platform/cosigners/{id}/evm/evaluate
 * 
 * Also accepts auth: ClientID, JWT
 */
export const createApiV0PlatformCosignersIdEvmEvaluate = async (args: CreateApiV0PlatformCosignersIdEvmEvaluateArgs, options?: CreateApiV0PlatformCosignersIdEvmEvaluateOptions) => {
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/platform/cosigners/${encodeURIComponent(String(args.id))}/evm/evaluate${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(createApiV0PlatformCosignersIdEvmEvaluateResponse, await res.json())
};