import type { Component } from "@mariozechner/pi-tui";

export class MinHeightContainer implements Component {
  constructor(
    private child: Component,
    private minHeight: number
  ) {}

  invalidate(): void {
    this.child.invalidate();
  }

  render(width: number): string[] {
    const lines = this.child.render(width);
    if (lines.length >= this.minHeight) return lines;
    const padLine = " ".repeat(Math.max(0, width));
    return [...lines, ...Array(this.minHeight - lines.length).fill(padLine)];
  }

  handleInput(data: string): void {
    const childWithInput = this.child as Component & { handleInput?: (input: string) => void };
    childWithInput.handleInput?.(data);
  }
}