import {z} from 'zod'

export type GetApiAppsAppNameArgs = {appName: string, tenant?: string | undefined};

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

export const collaboratorProperties = z.object({permission: z.enum(["Owner", "Collaborator"]).optional(), isCurrentAccount: z.boolean().optional()});

export const collaboratorMap = z.record(z.string(), collaboratorProperties);

export const app = z.object({name: z.string(), collaborators: collaboratorMap.optional(), deployments: z.array(z.string()).optional(), organisation: z.object({orgId: z.string().optional(), orgName: z.string().optional()}).optional()});

export const getApiAppsAppNameResponse = z.object({app: app.optional()});

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 app
 * 
 * GET /apps/{appName}
 */
export const getApiAppsAppName = async (args: GetApiAppsAppNameArgs, options: GetApiAppsAppNameOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.tenant != null) headers.set("tenant", String(args.tenant))

const url = `${baseUrl.replace(/\/+$/, '')}/apps/${encodeURIComponent(String(args.appName))}${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(getApiAppsAppNameResponse, await res.json())
};