import {z} from 'zod'

export type GetApiApplicationsArgs = {limit?: number | undefined, sortBy?: string | undefined, offset?: number | undefined, sortOrder?: number | undefined, requireEntrypoint?: boolean | undefined};

export type GetApiApplicationsOptions = {baseUrl?: string | undefined, OAuth2?: string | undefined, fetch?: typeof fetch | undefined};

export const applicationResponse = z.object({created: z.string(), createdBy: z.string(), dataSchemas: z.array(z.object({})), description: z.string(), id: z.string(), modified: z.string(), modifiedBy: z.string(), name: z.string(), promotions: z.object({}), settings: z.object({}), title: z.string(), type: z.string(), workspaceId: z.string()});

export const getApiApplicationsResponse = z.array(applicationResponse);

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 applications
 * 
 * GET /applications
 */
export const getApiApplications = async (args: GetApiApplicationsArgs, options?: GetApiApplicationsOptions) => {
const {baseUrl = "https://env.unqork.io/api/1.0", fetch: fetchFn = fetch, OAuth2} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.sortBy != null) query.append("sortBy", String(args.sortBy))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.sortOrder != null) query.append("sortOrder", String(args.sortOrder))
if (args.requireEntrypoint != null) query.append("requireEntrypoint", String(args.requireEntrypoint))
if (OAuth2 !== undefined) headers.set('authorization', `Bearer ${OAuth2}`)

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