import {z} from 'zod'

export type Template = {type?: string | undefined, id?: string | undefined, attributes?: ({createdBy?: string | undefined, createdDate?: string | undefined, description?: string | undefined, name?: string | undefined, tcl?: string | undefined, updatedBy?: string | undefined, updatedDate?: string | undefined, version?: string | undefined}) | undefined, relationships?: ({organization?: ({id?: string | undefined, type?: 'organization' | undefined}) | undefined}) | undefined};

export type CreateApiTemplateArgs = {body: {data?: Template | undefined}};

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

export const template = z.object({type: z.string().optional(), id: z.string().optional(), attributes: z.object({createdBy: z.string().optional(), createdDate: z.string().optional(), description: z.string().optional(), name: z.string().optional(), tcl: z.string().optional(), updatedBy: z.string().optional(), updatedDate: z.string().optional(), version: z.string().optional()}).optional(), relationships: z.object({organization: z.object({id: z.string().optional(), type: z.literal("organization").optional()}).optional()}).optional()});

export const createApiTemplateResponse = z.object({data: template.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
};

/**
 * Creates an item of type template
 * 
 * POST /template
 */
export const createApiTemplate = async (args: CreateApiTemplateArgs, options: CreateApiTemplateOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

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