import {z} from 'zod'

export type PlaceholderMapping = {id?: (string | null) | undefined, formId?: (string | null) | undefined, formFieldId?: (string | null) | undefined, isDeleted?: boolean | undefined};

export type CreateCustomPlaceholderRequest = {placeholderLabel?: (string | null) | undefined, placeholderType?: (string | null) | undefined, mappings?: (Array<PlaceholderMapping> | null) | undefined};

export type CreateApiV4MessagesPlaceholdersArgs = {body: CreateCustomPlaceholderRequest};

export type CreateApiV4MessagesPlaceholdersOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const placeholderIntegrationSyncResponse = z.object({integrationType: z.string().nullable().optional(), lastSyncDate: z.string().nullable().optional()});

export const placeholderMappingsResponse = z.object({formId: z.string().nullable().optional(), formFieldId: z.string().nullable().optional()});

export const placeholderResponse = z.object({id: z.string().nullable().optional(), label: z.string().nullable().optional(), isDisabled: z.boolean().optional(), organizationId: z.string().nullable().optional(), type: z.string().nullable().optional(), lastUpdatedAt: z.string().nullable().optional(), integrationSyncs: z.array(placeholderIntegrationSyncResponse).nullable().optional(), mappings: z.array(placeholderMappingsResponse).nullable().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
};

/**
 * Create a new Custom Placeholder
 * 
 * POST /v4/messages/placeholders
 */
export const createApiV4MessagesPlaceholders = async (args: CreateApiV4MessagesPlaceholdersArgs, options?: CreateApiV4MessagesPlaceholdersOptions) => {
const {baseUrl = "https://submittable-api.submittable.com", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/v4/messages/placeholders${query.size > 0 ? `?${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(placeholderResponse, await res.json())
};