import {z} from 'zod'

export type Html = {value: string};

export type Markdown = {value: string};

export type Text = {value: string};

export type Content = Html | Markdown | Text;

export type File = {url: string, prettyName?: string | undefined};

export type InboundImport = {content: Content, attachments?: Array<File> | undefined, externalId?: string | undefined, createdAt: string, attributes: unknown};

export type OutboundImport = {content: Content, agentId: string, attachments?: Array<File> | undefined, externalId?: string | undefined, createdAt: string, attributes: unknown};

export type ImportMessageInput = InboundImport | OutboundImport;

export type Assignment = {agentId: string, assignedAt: string};

export type Closing = {closedAt: string, closedBy: string};

export type GenericConversationImport = {genericChannelName: string, requesterId: string, requesterConnectionStatus?: string | undefined, direction: string, messages?: Array<ImportMessageInput> | undefined, createdAt: string, assignment?: Assignment | undefined, externalId?: string | undefined, closing?: Closing | undefined, attributes: unknown};

export type CreateApiBetaConversationsImportArgs = {body: GenericConversationImport};

export type CreateApiBetaConversationsImportOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const partialError = z.object({message: z.string()});

export const importConversationResponse = z.object({id: z.number().int(), partialErrors: z.array(partialError).optional()});

export const importConversationOutput = z.object({data: importConversationResponse});

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
};

/**
 * Import conversation
 * 
 * POST /beta/conversations/import
 */
export const createApiBetaConversationsImport = async (args: CreateApiBetaConversationsImportArgs, options?: CreateApiBetaConversationsImportOptions) => {
const {baseUrl = "https://dev.dixa.io", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set("Authorization", ApiKeyAuth)

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