import {z} from 'zod'

export type CreateApiApiContactsConversationsArgs = {body: {personIds: Array<string>, status?: ('all' | 'open' | 'closed') | undefined, inboxId?: string | undefined, search?: string | undefined, skip?: number | undefined, limit?: number | undefined}};

export type CreateApiApiContactsConversationsOptions = {baseUrl?: string | undefined, ApiKeyHeader?: string | undefined, fetch?: typeof fetch | undefined};

export const contactConversationsResponse = z.object({personIds: z.array(z.string()), conversations: z.array(z.object({_id: z.string(), subject: z.string().nullable(), description: z.string().max(500), type: z.string().optional(), status: z.number().int().optional(), assigneeId: z.string().nullable().optional(), participants: z.array(z.string()).optional(), channel: z.object({id: z.string().optional(), type: z.string().optional()}).optional(), messageCount: z.number().int(), metrics: z.object({lastMessageAt: z.string().optional(), lastActivityAt: z.string().nullable().optional(), lastMessageDirection: z.enum(["in", "out"]).nullable().optional()}).optional()})), hasMore: z.boolean(), skip: z.number().int(), limit: z.number().int()});

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 conversations for contacts
 * 
 * POST /api/contacts/conversations
 * 
 * Also accepts auth: DelegateToken
 */
export const createApiApiContactsConversations = async (args: CreateApiApiContactsConversationsArgs, options?: CreateApiApiContactsConversationsOptions) => {
const {baseUrl = "https://core-api.getaptly.com", fetch: fetchFn = fetch, ApiKeyHeader} = options ?? {}

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

if (ApiKeyHeader !== undefined) headers.set("x-token", ApiKeyHeader)

const url = `${baseUrl.replace(/\/+$/, '')}/api/contacts/conversations${query.size > 0 ? `?${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(contactConversationsResponse, await res.json())
};