import {z} from 'zod'

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

export const header = z.object({id: z.string(), status: z.enum(["success", "error"]), servertime: z.number().int(), action: z.string(), message: z.string(), url: z.string(), code: z.number().int()});

export const tagLegacy = z.object({id: z.string(), user_id: z.string().optional(), slug: z.string(), is_shared: z.boolean()});

export const tagV5 = z.object({metadata: z.string(), metadata_key_id: z.string(), metadata_key_type: z.enum(["user_key", "shared_key"]), id: z.string(), is_shared: z.boolean()});

export const tagIndexAndView = z.union([tagLegacy, tagV5]);

export const getApiTagsJsonResponse = z.object({header: header, body: tagIndexAndView});

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 personal tags and shared tags.
 * 
 * GET /tags.json
 */
export const getApiTagsJson = async (options?: GetApiTagsJsonOptions) => {
const {baseUrl = "https://passbolt.local", fetch: fetchFn = fetch, bearerHttpAuthentication} = options ?? {}

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

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

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