import { describe, expect, it } from 'vitest'
import {
  resizedLeadingPanelWidth,
  resizedTrailingPanelWidth,
  resizedVerticalSplitPercent,
} from '../../composables/useManualLayoutResize'

describe('manual layout resize helpers', () => {
  const limits = { minWidth: 260, maxWidth: 480, mainMinWidth: 560, layoutGap: 16 }

  it('clamps leading, trailing, and vertical splits', () => {
    expect(resizedLeadingPanelWidth(320, 400, 900, limits)).toBe(324)
    expect(resizedTrailingPanelWidth(320, -400, 1400, limits)).toBe(480)
    expect(resizedVerticalSplitPercent(60, 400, 800, { minPercent: 35, maxPercent: 75 })).toBe(75)
  })

  it('preserves the panel minimum when the container cannot fit both panes', () => {
    expect(resizedLeadingPanelWidth(320, 0, 500, limits)).toBe(260)
    expect(resizedTrailingPanelWidth(320, 0, 800, limits)).toBe(260)
  })
})