import { describe, expect, it } from 'bun:test'
import { firstPort, kernelPorts, modeLabel } from './dashboard.ts'

describe('运行模式', () => {
  it('三个已知模式有中文名', () => {
    expect(modeLabel('rule')).toBe('规则')
    expect(modeLabel('global')).toBe('全局')
    expect(modeLabel('direct')).toBe('直连')
  })

  it('没见过的值原样显示，缺省是破折号', () => {
    expect(modeLabel('script')).toBe('script')
    expect(modeLabel(undefined)).toBe('—')
    expect(modeLabel('')).toBe('—')
  })
})

describe('代理端口', () => {
  it('挑出大于 0 的端口，按固定顺序', () => {
    expect(kernelPorts({ 'mixed-port': 7890, port: 7891, 'socks-port': 0 })).toEqual([
      { name: 'port', port: 7891 },
      { name: 'mixed-port', port: 7890 },
    ])
  })

  it('0、缺省和非数字都不算启用', () => {
    expect(kernelPorts({ port: 0, 'socks-port': 'abc' })).toEqual([])
  })

  it('字符串端口号也认得', () => {
    expect(kernelPorts({ port: '7890' })).toEqual([{ name: 'port', port: 7890 }])
  })
})

describe('探测端口', () => {
  it('单个端口直接用', () => {
    expect(firstPort('7890')).toBe(7890)
  })

  it('多端口和区间取第一个数', () => {
    expect(firstPort('200,302')).toBe(200)
    expect(firstPort('401-429')).toBe(401)
  })

  it('解析不出或越界返回 null', () => {
    expect(firstPort('')).toBeNull()
    expect(firstPort('abc')).toBeNull()
    expect(firstPort('70000')).toBeNull()
  })
})