import {z} from 'zod'

export type CustomFieldsFieldOption = {data: {data_type: 'string', value: string}, id: string, type: 'field_option', updated_at: string, created_at: string};

export type CreateApiIncidentsCustomFieldsFieldIdFieldOptionsArgs = {field_id: string, body: {field_option: CustomFieldsFieldOption}};

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

export const customFieldsFieldOption = z.object({data: z.object({data_type: z.literal("string"), value: z.string().max(100)}), id: z.string(), type: z.literal("field_option"), updated_at: z.string(), created_at: z.string()});

export const createApiIncidentsCustomFieldsFieldIdFieldOptionsResponse = z.object({field_option: customFieldsFieldOption});

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 Field Option
 * 
 * POST /incidents/custom_fields/{field_id}/field_options
 */
export const createApiIncidentsCustomFieldsFieldIdFieldOptions = async (args: CreateApiIncidentsCustomFieldsFieldIdFieldOptionsArgs, options?: CreateApiIncidentsCustomFieldsFieldIdFieldOptionsOptions) => {
const {baseUrl = "https://api.pagerduty.com", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (apiKey !== undefined) headers.set("Authorization", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/incidents/custom_fields/${encodeURIComponent(String(args.field_id))}/field_options${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(createApiIncidentsCustomFieldsFieldIdFieldOptionsResponse, await res.json())
};