import {z} from 'zod'

export type GetApiSystemHistoryArgs = {event_types?: (Array<'channel_created' | 'channel_updated' | 'channel_deleted' | 'mirror_registered' | 'mirror_deleted' | 'mirroring_completed' | 'mirroring_failed' | 'artifact_registered' | 'artifact_removed' | 'artifact_copied' | 'artifact_generated' | 'artifact_metadata_updated' | 'artifact_downloaded'>) | undefined, user_id?: string | undefined, offset?: number | undefined, limit?: number | undefined};

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

export const accountHistory = z.object({items: z.array(z.object({event_id: z.string().optional(), event_type: z.string().optional(), data: z.object({}).optional(), meta: z.object({}).optional(), created: z.number().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
};

/**
 * Get full history of all system events
 * 
 * GET /system/history
 */
export const getApiSystemHistory = async (args: GetApiSystemHistoryArgs, options?: GetApiSystemHistoryOptions) => {
const {baseUrl = "https://api.anaconda.cloud/api", fetch: fetchFn = fetch, jwt} = options ?? {}

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

for (const item of args.event_types ?? []) query.append("event_types", String(item))
if (args.user_id != null) query.append("user_id", String(args.user_id))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.limit != null) query.append("limit", String(args.limit))
if (jwt !== undefined) headers.set('authorization', `Bearer ${jwt}`)

const url = `${baseUrl.replace(/\/+$/, '')}/system/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(accountHistory, await res.json())
};