import {z} from 'zod'

export type GetApiAuditLogArgs = {agentId?: string | undefined, action?: ('sign' | 'approve' | 'reject' | 'proxy') | undefined, status?: string | undefined, dateFrom?: string | undefined, dateTo?: string | undefined, page?: number | undefined, limit?: number | undefined};

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

export const getApiAuditLogResponse = z.object({ok: z.literal(true), data: z.object({data: z.array(z.object({id: z.string(), timestamp: z.string(), agentId: z.string(), action: z.enum(["sign", "approve", "reject", "proxy"]), status: z.string(), details: z.record(z.string(), z.unknown()), policyResults: z.unknown(), value: z.string().optional(), to: z.string().optional()})), pagination: z.object({page: z.number().int().gte(1), limit: z.number().int().gte(1).lte(200), total: z.number().int().gte(0), totalPages: z.number().int().gte(0)})})});

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
};

/**
 * List tenant transaction and proxy audit log entries
 * 
 * GET /audit/log
 */
export const getApiAuditLog = async (args: GetApiAuditLogArgs, options?: GetApiAuditLogOptions) => {
const {baseUrl = "http://localhost:3200", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.agentId != null) query.append("agentId", String(args.agentId))
if (args.action != null) query.append("action", String(args.action))
if (args.status != null) query.append("status", String(args.status))
if (args.dateFrom != null) query.append("dateFrom", String(args.dateFrom))
if (args.dateTo != null) query.append("dateTo", String(args.dateTo))
if (args.page != null) query.append("page", String(args.page))
if (args.limit != null) query.append("limit", String(args.limit))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/audit/log${query.size > 0 ? `?${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(getApiAuditLogResponse, await res.json())
};