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 Inbound = {content: Content, attachments?: Array<File> | undefined, integrationEmail?: string | undefined, externalId?: string | undefined};

export type Outbound = {content?: Content | undefined, agentId: string, attachments?: Array<File> | undefined, integrationEmail?: string | undefined, externalId?: string | undefined, cc?: Array<string> | undefined, bcc?: Array<string> | undefined};

export type CreateMessageInput = Inbound | Outbound;

export type CreateApiBetaConversationsConversationIdMessagesArgs = {conversationId: number, body: CreateMessageInput};

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

export const html = z.object({value: z.string()});

export const markdown = z.object({value: z.string()});

export const text = z.object({value: z.string()});

export const content = z.union([html, markdown, text]);

export const createMessageOutputData = z.object({content: content.optional(), direction: z.string(), authorId: z.string(), externalId: z.string().optional(), messageId: z.string().optional(), createdAt: z.string().optional()});

export const createMessageOutput = z.object({data: createMessageOutputData});

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
};

/**
 * Add message
 * 
 * POST /beta/conversations/{conversationId}/messages
 */
export const createApiBetaConversationsConversationIdMessages = async (args: CreateApiBetaConversationsConversationIdMessagesArgs, options?: CreateApiBetaConversationsConversationIdMessagesOptions) => {
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/${encodeURIComponent(String(args.conversationId))}/messages${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(createMessageOutput, await res.json())
};