import { matchesKey } from "@earendil-works/pi-tui";

/** The `tui.select.*` keybinding ids the adapter panels resolve. */
export type PanelSelectKeybinding =
  | "tui.select.up"
  | "tui.select.down"
  | "tui.select.confirm";

/** Structural subset of pi-tui's `KeybindingsManager` (which satisfies it). */
export interface PanelKeybindings {
  matches(data: string, keybinding: PanelSelectKeybinding): boolean;
}

/**
 * Key matchers for list navigation: user's `tui.select.*` bindings when a
 * manager is provided, otherwise the previous hardcoded defaults.
 */
export interface PanelKeys {
  selectUp(data: string): boolean;
  selectDown(data: string): boolean;
  selectConfirm(data: string): boolean;
}

export function createPanelKeys(keybindings?: PanelKeybindings): PanelKeys {
  if (keybindings) {
    return {
      selectUp: (data) => keybindings.matches(data, "tui.select.up"),
      selectDown: (data) => keybindings.matches(data, "tui.select.down"),
      selectConfirm: (data) => keybindings.matches(data, "tui.select.confirm"),
    };
  }
  return {
    selectUp: (data) => matchesKey(data, "up"),
    selectDown: (data) => matchesKey(data, "down"),
    selectConfirm: (data) => matchesKey(data, "return"),
  };
}