import {z} from 'zod'

export type EventFeedRequestInfo = {requestId: string};

export type EventFeedFileInfo = {fileKey: string, filename: string, isAvailable?: boolean | undefined, href?: string | undefined, isInlined?: boolean | undefined};

export type EventFeedUser = {identifier: string, displayName?: string | undefined, portrait?: EventFeedFileInfo | undefined, headline?: string | undefined, href?: string | undefined};

export type EventFeedProperty = {name: string, value: string, xheader?: boolean | undefined};

export type EventFeedOverview = {owner: EventFeedUser, threadId?: string | undefined, eventFeedProperties?: Array<EventFeedProperty> | undefined, subjectOverride?: string | undefined};

export type EventFeedSimpleUser = {identifier?: string | undefined, displayName?: string | undefined, href?: string | undefined};

export type EventFeedEventContent = {text?: string | undefined, textType?: ('plain' | 'html') | undefined, textHref?: string | undefined, file?: EventFeedFileInfo | undefined};

export type EventFeedFieldValue = {content?: EventFeedEventContent | undefined, originalContent?: EventFeedEventContent | undefined};

export type EventFeedField = {fieldTitle?: string | undefined, fieldValues?: Array<EventFeedFieldValue> | undefined};

export type EventFeedEvent = {eventTime: string, user: EventFeedUser, eventType: 'Post' | 'Post Edited' | 'Post Deleted' | 'Response to Post' | 'Response to Post Edited' | 'Response to Post Deleted' | 'Reaction' | 'Profile' | 'Profile Deleted' | 'Profile Edited' | 'User Added' | 'User Removed' | 'History Post', participants?: Array<EventFeedSimpleUser> | undefined, body?: EventFeedEventContent | undefined, originalBody?: EventFeedEventContent | undefined, eventFields?: Array<EventFeedField> | undefined, indentation?: number | undefined};

export type EventFeedSimpleEvent = {eventTime: string, user: EventFeedSimpleUser, eventType: 'Reaction'};

export type EventFeedSection = {title?: string | undefined, events?: Array<EventFeedEvent> | undefined, simpleEvents?: Array<EventFeedSimpleEvent> | undefined};

export type EventFeedCard = {title?: string | undefined, collapsible?: boolean | undefined, collapsed?: boolean | undefined, sections: Array<EventFeedSection>};

export type EventFeed = {requestInfo: EventFeedRequestInfo, overview: EventFeedOverview, cards: Array<EventFeedCard>};

export type CreateApiOcEventArgs = {Host: string, body: EventFeed};

export type CreateApiOcEventOptions = {baseUrl?: string | undefined, oAuth2ClientCredentials?: string | undefined, fetch?: typeof fetch | undefined};

export const createEventFeedResponse = z.object({reconciliationId: z.string().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
};

/**
 * Archive one or many Events.
 * 
 * POST /oc-event
 */
export const createApiOcEvent = async (args: CreateApiOcEventArgs, options?: CreateApiOcEventOptions) => {
const {baseUrl = "https://eventfeed.api.globalrelay.com/v2", fetch: fetchFn = fetch, oAuth2ClientCredentials} = options ?? {}

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

if (args.Host != null) headers.set("Host", String(args.Host))
if (oAuth2ClientCredentials !== undefined) headers.set('authorization', `Bearer ${oAuth2ClientCredentials}`)

const url = `${baseUrl.replace(/\/+$/, '')}/oc-event${query.size > 0 ? `?${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(createEventFeedResponse, await res.json())
};