import {z} from 'zod'

export type GetApiFinalizeV2TemplatesTemplateIdArgs = {template_id: string, include?: string | undefined};

export type GetApiFinalizeV2TemplatesTemplateIdOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiFinalizeV2TemplatesTemplateIdResponse = z.object({data: z.object({id: z.string(), name: z.string(), description: z.string(), kind: z.enum(["draft", "intake", "request_form"]), instructions: z.string().nullable(), created_at: z.string(), updated_at: z.string(), token_ids: z.array(z.string()), question_ids: z.array(z.string())}), _embedded: z.object({tokens: z.array(z.object({id: z.string(), kind: z.enum(["text_field", "text_area", "date", "clause", "multi_select", "single_selection", "external_list"]), question: z.string(), required: z.boolean(), clause_category_id: z.string().nullable(), clause_category_name: z.string().nullable(), options: z.array(z.object({id: z.string().optional(), value: z.string().optional()}))})), questions: z.array(z.union([z.object({id: z.string(), description: z.string().nullable(), required: z.boolean(), answer_type: z.enum(["text", "paragraph", "date", "numbers", "multiple_selection", "single_selection", "file", "url"])}), z.object({id: z.string(), description: z.string().nullable(), required: z.boolean(), answer_type: z.enum(["text", "paragraph", "date", "numbers", "multiple_selection", "single_selection", "file", "url"]), answer_options: z.array(z.object({id: z.string(), description: z.string()}))}), z.object({id: z.string(), description: z.string().nullable(), required: z.boolean(), answer_type: z.enum(["text", "paragraph", "date", "numbers", "multiple_selection", "single_selection", "file", "url"]), attachment_ids: z.array(z.string())})]))})});

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 Template
 * 
 * GET /finalize/v2/templates/{template_id}
 */
export const getApiFinalizeV2TemplatesTemplateId = async (args: GetApiFinalizeV2TemplatesTemplateIdArgs, options?: GetApiFinalizeV2TemplatesTemplateIdOptions) => {
const {baseUrl = "https://api.linksquares.com/api", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (args.include != null) query.append("include", String(args.include))
if (ApiKeyAuth !== undefined) headers.set("x-api-key", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/finalize/v2/templates/${encodeURIComponent(String(args.template_id))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(getApiFinalizeV2TemplatesTemplateIdResponse, await res.json())
};