import "server-only";

import {
  CANVAS_TOOLBAR_CONFIG_SETTING_KEY,
  isCanvasToolbarItemEnabled,
  normalizeCanvasToolbarConfig,
  type CanvasToolbarItemKey,
} from "@/lib/canvas-toolbar-config";
import type { CanvasCapabilityDefinition } from "@/lib/canvas/capabilities/types";
import { getSystemSetting } from "@/lib/db/queries";

export async function isCanvasCapabilityEnabled(
  capability: CanvasCapabilityDefinition,
  source: "toolbar" | "agent" | "mcp" | "system" = "toolbar",
) {
  const enabledIds = await getEnabledCanvasCapabilityIds([capability], source);
  return enabledIds.has(capability.id);
}

export async function getEnabledCanvasCapabilityIds(
  capabilities: readonly CanvasCapabilityDefinition[],
  source: "toolbar" | "agent" | "mcp" | "system" = "toolbar",
) {
  // Toolbar visibility and Agent authorization are independent. Backend service switches still apply.
  if (source === "agent")
    return new Set(capabilities.filter((item) => item.agent.exposed).map((item) => item.id));
  const setting = await getSystemSetting({
    key: CANVAS_TOOLBAR_CONFIG_SETTING_KEY,
  }).catch(() => null);
  const config = normalizeCanvasToolbarConfig(setting?.value);
  return new Set(
    capabilities
      .filter(
        (capability) =>
          !capability.toolbarSettingKey ||
          isCanvasToolbarItemEnabled(config, capability.toolbarSettingKey as CanvasToolbarItemKey),
      )
      .map((capability) => capability.id),
  );
}