import {z} from 'zod'

export type ProjectRelation = 'project_admin' | 'security_admin' | 'data_admin' | 'role_creator' | 'describe' | 'select' | 'create' | 'modify';

export type GetApiManagementV1PermissionsProjectAssignmentsArgs = {relations?: Array<ProjectRelation> | undefined};

export type GetApiManagementV1PermissionsProjectAssignmentsOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const projectAssignment = z.union([z.object({user: z.string(), type: z.literal("project_admin")}), z.object({role: z.string(), type: z.literal("project_admin")}), z.object({user: z.string(), type: z.literal("security_admin")}), z.object({role: z.string(), type: z.literal("security_admin")}), z.object({user: z.string(), type: z.literal("data_admin")}), z.object({role: z.string(), type: z.literal("data_admin")}), z.object({user: z.string(), type: z.literal("role_creator")}), z.object({role: z.string(), type: z.literal("role_creator")}), z.object({user: z.string(), type: z.literal("describe")}), z.object({role: z.string(), type: z.literal("describe")}), z.object({user: z.string(), type: z.literal("select")}), z.object({role: z.string(), type: z.literal("select")}), z.object({user: z.string(), type: z.literal("create")}), z.object({role: z.string(), type: z.literal("create")}), z.object({user: z.string(), type: z.literal("modify")}), z.object({role: z.string(), type: z.literal("modify")})]);

export const getProjectAssignmentsResponse = z.object({assignments: z.array(projectAssignment), "project-id": z.string()});

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 user and role assignments of a project
 * 
 * GET /management/v1/permissions/project/assignments
 */
export const getApiManagementV1PermissionsProjectAssignments = async (args: GetApiManagementV1PermissionsProjectAssignmentsArgs, options?: GetApiManagementV1PermissionsProjectAssignmentsOptions) => {
const {baseUrl = "https://localhost", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

for (const item of args.relations ?? []) query.append("relations", String(item))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/management/v1/permissions/project/assignments${query.size > 0 ? `?${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(getProjectAssignmentsResponse, await res.json())
};