import {z} from 'zod'

export type CreateApiMembersArgs = {body: {name?: (string | null) | undefined, displayName?: (string | null) | undefined, email?: (string | null) | undefined, linkedDriverId?: (string | null) | undefined, role: 'admin' | 'depot-manager' | 'dispatcher' | 'read-only', depots?: (Array<string> | null) | undefined}};

export type CreateApiMembersOptions = {baseUrl?: string | undefined, BasicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const memberIdSchema = z.string();

export const driverIdSchema = z.string();

export const roleSchema = z.array(z.enum(["owner", "admin", "depot-manager", "dispatcher", "read-only", "driver"]));

export const memberSchema = z.object({id: memberIdSchema, name: z.string().nullable(), email: z.string().nullable(), phone: z.string().nullable(), linkedDriverId: driverIdSchema.nullable(), displayName: z.string().nullable(), active: z.boolean(), depots: z.array(z.string()), roles: roleSchema});

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 new member
 * 
 * POST /members
 */
export const createApiMembers = async (args: CreateApiMembersArgs, options?: CreateApiMembersOptions) => {
const {baseUrl = "https://api.spoke.com/public/v1", fetch: fetchFn = fetch, BasicAuth} = options ?? {}

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

if (BasicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${BasicAuth.username}:${BasicAuth.password}`)}`)

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