import {z} from 'zod'

export type GetApiV2UpdatesArgs = {'X-Signature'?: string | undefined, 'X-Timestamp'?: number | undefined, offset?: string | undefined, limit?: number | undefined, timeout?: number | undefined};

export type GetApiV2UpdatesOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, hmacSignature?: string | undefined, fetch?: typeof fetch | undefined};

export const webhookTranscription = z.object({status: z.enum(["Pending", "Started", "Done", "Failed"]).optional(), text: z.string().optional()});

export const webhookAttachment = z.object({id: z.string().optional(), type: z.enum(["image", "file", "video", "audio"]).optional(), name: z.string().optional(), mimeType: z.string().optional(), searchQuery: z.string().max(100).optional(), url: z.string().optional(), transcription: webhookTranscription.optional()});

export const messageMention = z.object({id: z.string().optional(), name: z.string().optional()});

export const webhookLocation = z.object({latitude: z.string().optional(), longitude: z.string().optional(), name: z.string().optional(), address: z.string().optional()});

export const webhookTask = z.object({id: z.string().optional(), action: z.enum(["Added", "Updated", "Deleted", "MarkedAsDone", "MarkedAsOpened", "Replied"]).optional(), title: z.string().optional(), text: z.string().optional(), status: z.enum(["Open", "Done"]).optional(), assignee: z.string().optional(), dueDate: z.number().int().optional(), isDueDateTimeSelected: z.boolean().optional(), parentId: z.string().optional(), subItemsCount: z.number().int().optional()});

export const webhookContact = z.object({name: z.string().optional(), phoneNumbers: z.array(z.string()).optional(), emails: z.array(z.string()).optional(), role: z.string().optional(), location: z.string().optional(), linkedIn: z.string().optional(), profileId: z.string().optional()});

export const webhookPoll = z.object({id: z.string().optional(), title: z.string().optional(), subtitle: z.string().optional(), selectionType: z.enum(["single", "multiple"]).optional(), anonymous: z.boolean().optional(), status: z.enum(["active", "closed"]).optional(), expiresAt: z.number().int().optional(), options: z.array(z.object({id: z.string().optional(), text: z.string().optional()})).optional()});

export const webhookCall = z.object({id: z.string().optional(), initiatorId: z.string().optional(), callType: z.enum(["audio", "video"]).optional(), status: z.enum(["initiating", "calling", "active", "ended", "cancelled"]).optional(), startedAt: z.number().int().optional(), endedAt: z.number().int().optional(), endReason: z.enum(["caller_not_joined", "caller_cancelled", "no_one_answered", "finished", "max_duration", "last_participant"]).optional(), duration: z.number().int().optional(), participantCount: z.number().int().optional()});

export const webhookMessage = z.object({id: z.string(), topicId: z.string(), senderId: z.string(), senderName: z.string(), senderType: z.enum(["user", "bot", "system"]), type: z.enum(["text", "image", "file", "video", "audio", "location", "task", "contact", "poll", "call", "admin"]), text: z.string().optional(), previousText: z.string().optional(), createdAt: z.number().int(), updatedAt: z.number().int().optional(), parentId: z.string().optional(), mentionedProfiles: z.array(z.string()).optional(), attachments: z.array(webhookAttachment).optional(), mentions: z.array(messageMention).optional(), location: webhookLocation.optional(), task: webhookTask.optional(), contact: webhookContact.optional(), poll: webhookPoll.optional(), call: webhookCall.optional()});

export const webhookMessageCreatedData = z.object({message: webhookMessage, truncated: z.boolean().optional()});

export const webhookMessageUpdatedData = z.object({message: webhookMessage, updatedFields: z.array(z.string()).optional(), truncated: z.boolean().optional()});

export const webhookMessageDeletedData = z.object({messageId: z.string(), topicId: z.string(), deletedAt: z.number().int().optional(), deletedBy: z.string().optional(), message: z.object({id: z.string().optional(), topicId: z.string().optional(), senderId: z.string().optional()}).optional()});

export const webhookReactionObject = z.object({id: z.string().optional(), messageId: z.string().optional(), topicId: z.string().optional(), userId: z.string().optional(), emoji: z.string().optional()});

export const webhookReactionData = z.object({messageId: z.string(), topicId: z.string(), emoji: z.string(), userId: z.string(), reactionId: z.string().optional(), createdAt: z.number().int().optional(), reaction: webhookReactionObject.optional()});

export const webhookMemberData = z.object({topicId: z.string(), memberIds: z.array(z.string()), memberId: z.string().optional(), memberType: z.enum(["user", "bot"]).optional(), actorId: z.string().optional(), createdAt: z.number().int().optional()});

export const webhookTopicUpdatedData = z.object({topicId: z.string(), name: z.string().optional(), description: z.string().optional(), actorId: z.string().optional(), changes: z.record(z.string(), z.unknown()).optional()});

export const pollingUpdate = z.object({updateId: z.string(), eventType: z.enum(["message.created", "message.updated", "message.deleted", "reaction.added", "reaction.removed", "member.added", "member.removed", "topic.updated"]), createdAt: z.number().int(), data: z.union([webhookMessageCreatedData, webhookMessageUpdatedData, webhookMessageDeletedData, webhookReactionData, webhookMemberData, webhookTopicUpdatedData])});

export const updatesResponse = z.object({updates: z.array(pollingUpdate), nextOffset: z.string()});

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 updates (long polling)
 * 
 * GET /v2/updates
 * 
 * Also accepts auth: oauth2ClientCredentials
 */
export const getApiV2Updates = async (args: GetApiV2UpdatesArgs, options?: GetApiV2UpdatesOptions) => {
const {baseUrl = "https://api.zenzap.co", fetch: fetchFn = fetch, bearerAuth, hmacSignature} = options ?? {}

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

if (args['X-Signature'] != null) headers.set("X-Signature", String(args['X-Signature']))
if (args['X-Timestamp'] != null) headers.set("X-Timestamp", String(args['X-Timestamp']))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.timeout != null) query.append("timeout", String(args.timeout))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)
if (hmacSignature !== undefined) headers.set("X-Signature", hmacSignature)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/updates${query.size > 0 ? `?${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(updatesResponse, await res.json())
};