import {z} from 'zod'

export type GetApiApiV3LoadsArgs = {data_table_id?: number | undefined, destination_connection_id?: string | undefined, destination_name?: string | undefined};

export type GetApiApiV3LoadsOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const dataTable = z.object({id: z.number().int().optional(), title: z.string().optional(), datasource_name: z.string().optional()});

export const scheduling = z.object({days: z.number().int().gte(0).optional(), hours: z.number().int().gte(0).lte(23).optional(), minutes: z.number().int().gte(0).lte(59).optional(), interval: z.enum(["hour", "day", "week", "month"]).optional(), timezone: z.string().optional(), recurrence: z.number().int().optional(), lookback_window: z.object({name: z.enum(["default", "live", "max"]).optional()}).optional()});

export const load = z.object({id: z.number().int().optional(), data_table: dataTable.optional(), destination_connection: z.object({id: z.string().optional(), title: z.string().optional(), destination_name: z.string().optional()}).optional(), destination_table: z.string().optional(), run_policy: z.enum(["after extraction", "schedule"]).optional(), schedules: z.array(scheduling).optional(), status: z.string().optional(), last_update: z.string().optional(), error_text: z.string().optional(), uploaded_rows_count: z.number().int().optional()});

export const paginatedLoadList = z.object({count: z.number().int().optional(), next: z.string().optional(), previous: z.string().optional(), results: z.array(load).optional()});

export const getApiApiV3LoadsResponse = z.array(paginatedLoadList);

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
};

/**
 * List loads
 * 
 * GET /api/v3/loads
 * 
 * Also accepts auth: cookieAuth
 */
export const getApiApiV3Loads = async (args: GetApiApiV3LoadsArgs, options?: GetApiApiV3LoadsOptions) => {
const {baseUrl = "https://embedded.improvado.io", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.data_table_id != null) query.append("data_table_id", String(args.data_table_id))
if (args.destination_connection_id != null) query.append("destination_connection_id", String(args.destination_connection_id))
if (args.destination_name != null) query.append("destination_name", String(args.destination_name))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v3/loads${query.size > 0 ? `?${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(getApiApiV3LoadsResponse, await res.json())
};