import {z} from 'zod'

export type LabelID = string;

export type LabelAssignmentTarget = {dataset?: string | undefined, id?: string | undefined, templateId?: string | undefined, type: 'dashboard' | 'integration_dashboard' | 'dataset' | 'monitor' | 'notifier'};

export type LabelAssignmentsReplace = {labelIds: Array<LabelID>, target: LabelAssignmentTarget};

export type UpdateApiLabelsAssignmentsArgs = {body: LabelAssignmentsReplace};

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

export const labelID = z.string();

export const labelAssignmentTarget = z.object({dataset: z.string().optional(), id: z.string().optional(), templateId: z.string().max(128).optional(), type: z.enum(["dashboard", "integration_dashboard", "dataset", "monitor", "notifier"])});

export const labelAssignmentResult = z.object({labelIds: z.array(labelID), target: labelAssignmentTarget});

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
};

/**
 * Replace labels assigned to a resource target
 * 
 * PUT /labels/assignments
 */
export const updateApiLabelsAssignments = async (args: UpdateApiLabelsAssignmentsArgs, options?: UpdateApiLabelsAssignmentsOptions) => {
const {baseUrl = "https://api.axiom.co/v2", fetch: fetchFn = fetch, Auth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/labels/assignments${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "PUT", 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(labelAssignmentResult, await res.json())
};