import { describe, expect, test } from 'claude-code/testing'

import { bandLines, fit, lineWidth } from '../hud/format'
import type { HudData } from '../hud/format'
import { fitCompanion } from './band'
import type { View } from './core'

const DATA: HudData = {
  model: 'claude-opus-5-5[1m]',
  cwd: '/home/dev/work/luopan',
  home: '/home/dev',
  git: { branch: 'issue-3', dirty: 1, ahead: 0, behind: 0 },
  usage: { fiveHour: { percent: 42 }, sevenDay: { percent: 71 }, ctxPercent: 31 },
  sys: { cpu: 23 },
  tzOffsetMin: 480,
}

const VIEW: View = {
  core: { id: 'miko', name: '月見ミコ', facts: {} as never, neuroticism: 50, baseline: { p: 0, a: 0, d: 0 } },
  mood: { p: 0.5, a: 0, d: -0.5 },
  label: '放鬆',
  kaomoji: '(´ᴗ`)',
  affinity: 0.35,
  stage: '熟悉',
  todos: 2,
}

const text = (v: View, cols: number, compact = false, bubble?: string) => fitCompanion(v, cols, compact, bubble).map(s => s.text).join('')

describe('角色行', () => {
  test('寬版顯示顏文字、名字、心情、PAD 條、階段、待辦、氣泡', () => {
    expect(text(VIEW, 200, false, '早安')).toBe('(´ᴗ`) 月見ミコ 放鬆 · P▰▰▱ A▰▰▱ D▰▱▱ · 熟悉 · ☐2 · 💬 早安')
  })

  test('緊湊模式只剩「顏文字 名字 心情」', () => {
    expect(text(VIEW, 200, true)).toBe('(´ᴗ`) 月見ミコ 放鬆')
  })

  test('寬度不足時依序捨棄氣泡、待辦、PAD、階段，不換行', () => {
    const full = text(VIEW, 200, false, '早安')
    let prev = full.length
    for (const cols of [60, 50, 40, 34, 28, 22]) {
      const t = text(VIEW, cols, false, '早安')
      expect(t.includes('\n')).toBe(false)
      expect(t.length <= prev).toBe(true)
      prev = t.length
    }
    expect(text(VIEW, 40, false, '早安')).not.toContain('早安')
    expect(text(VIEW, 36, false, '早安')).not.toContain('☐')
    expect(text(VIEW, 30, false, '早安')).not.toContain('PAD')
    expect(text(VIEW, 22, false, '早安')).toBe('(´ᴗ`) 月見ミコ 放鬆')
    expect(lineWidth(fitCompanion(VIEW, 24))).toBeLessThanOrEqual(24)
  })

  test('沒有待辦時不顯示待辦數', () => {
    expect(text({ ...VIEW, todos: 0 }, 200)).not.toContain('☐')
  })
})

describe('band', () => {
  test('沒有角色時只有第一行，且與現況逐字相同', () => {
    for (const cols of [200, 100, 60]) {
      const lines = bandLines(DATA, cols, false, null)
      expect(lines.length).toBe(1)
      expect(lines[0]).toEqual(fit(DATA, cols, false))
    }
  })

  test('有角色時第一行不變，第二行是角色行', () => {
    const lines = bandLines(DATA, 120, false, fitCompanion(VIEW, 120))
    expect(lines.length).toBe(2)
    expect(lines[0]).toEqual(fit(DATA, 120, false))
  })
})