import {z} from 'zod'

export type GetApiAgentsJobIdConfigHistoryArgs = {job_id: string, limit?: number | undefined, before_version?: (number | null) | undefined};

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

export const agentConfigHistorySummary = z.object({changedFields: z.array(z.string()).optional()});

export const agentConfigHistoryItem = z.object({version: z.number().int().gte(0), changedByEmail: z.string().nullable().optional(), changedTimestamp: z.string(), changeKind: z.enum(["create", "update", "rollback"]), rollbackSourceVersion: z.number().int().nullable().optional(), changeNote: z.string().max(500).nullable().optional(), summary: agentConfigHistorySummary.optional()});

export const agentConfigHistoryListResponse = z.object({items: z.array(agentConfigHistoryItem).optional(), total: z.number().int().gte(0), nextBeforeVersion: z.number().int().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
};

/**
 * List Agent Config History
 * 
 * GET /agents/{job_id}/config/history
 */
export const getApiAgentsJobIdConfigHistory = async (args: GetApiAgentsJobIdConfigHistoryArgs, options?: GetApiAgentsJobIdConfigHistoryOptions) => {
const {baseUrl = "https://api.streamkap.com", fetch: fetchFn = fetch, FronteggHTTPAuthentication} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.before_version != null) query.append("before_version", String(args.before_version))
if (FronteggHTTPAuthentication !== undefined) headers.set('authorization', `Bearer ${FronteggHTTPAuthentication}`)

const url = `${baseUrl.replace(/\/+$/, '')}/agents/${encodeURIComponent(String(args.job_id))}/config/history${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(agentConfigHistoryListResponse, await res.json())
};