import {z} from 'zod'

export type LetterCrmEntities = {[key: string]: Array<{table_id: number, title: string}>};

export type LetterSendDto = {destination_folder_id?: number | undefined, signature_id?: number | undefined, subject?: string | undefined, body?: string | undefined, body_html?: string | undefined, parent_message_id?: string | undefined, main_message_id?: string | undefined, is_read?: boolean | undefined, contacts?: (Array<{email?: string | undefined, name?: string | undefined, contact_type?: string | undefined}>) | undefined, crm_entities?: LetterCrmEntities | undefined};

export type CreateApiEmailV1LettersByFolderFolderIdArgs = {folderId: number, body: LetterSendDto};

export type CreateApiEmailV1LettersByFolderFolderIdOptions = {baseUrl: string, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const letterContact = z.object({id: z.number().int().optional(), name: z.string().optional(), email: z.string().optional()});

export const letterCrmEntities = z.record(z.string(), z.array(z.object({table_id: z.number().int(), title: z.string()})));

export const letterDetails = z.object({id: z.number().int().optional(), email_id: z.number().int().optional(), signature_id: z.number().int().optional(), subject: z.string().optional(), body: z.string().optional(), body_html: z.string().optional(), date: z.number().int().optional(), is_read: z.boolean().optional(), status: z.string().optional(), contacts: z.array(letterContact).optional(), crm_entities: letterCrmEntities.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
};

/**
 * Add Letter to Send Queue
 * 
 * POST /email/v1/letters/by_folder/{folderId}
 */
export const createApiEmailV1LettersByFolderFolderId = async (args: CreateApiEmailV1LettersByFolderFolderIdArgs, options: CreateApiEmailV1LettersByFolderFolderIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/email/v1/letters/by_folder/${encodeURIComponent(String(args.folderId))}${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(letterDetails, await res.json())
};