import * as z from "zod";

export const ComputerPointerAction = z.enum([
  "move",
  "click",
  "double_click",
  "right_click",
  "down",
  "up",
  "type",
  "key",
  "scroll",
]);
export type ComputerPointerAction = z.infer<typeof ComputerPointerAction>;

/** Screen pixels; absent for keyboard steps that act wherever the pointer already is. */
export const ComputerPointerStep = z.object({
  action: ComputerPointerAction,
  x: z.number().int().min(0).max(100_000).optional(),
  y: z.number().int().min(0).max(100_000).optional(),
});
export type ComputerPointerStep = z.infer<typeof ComputerPointerStep>;

export const MAX_COMPUTER_POINTER_STEPS = 48;

/**
 * Payload of a `thread.computer` event with `kind: "pointer"`: where a bot is about to point,
 * click or type on its computer screen, so clients can draw its cursor over the live screen.
 */
export const ComputerPointerPayload = z.object({
  kind: z.literal("pointer"),
  screen: z.object({
    width: z.number().int().positive().max(100_000),
    height: z.number().int().positive().max(100_000),
  }),
  steps: z.array(ComputerPointerStep).min(1).max(MAX_COMPUTER_POINTER_STEPS),
});
export type ComputerPointerPayload = z.infer<typeof ComputerPointerPayload>;