import {
  classifyTranscodeMaterial,
  classifyUploadSession,
  resolveProcessMemory,
} from '../system-performance'

describe('resolveProcessMemory', () => {
  test('优先使用小于主机内存的容器上限，避免把 TrueNAS 整机 90% 当成应用快满了', () => {
    const stats = resolveProcessMemory({
      containerUsedBytes: 162_533_376,
      containerLimitBytes: 6_442_450_944,
      hostTotalBytes: 16_281_152_000,
      hostFreeBytes: 1_702_132_000,
    })

    expect(stats.source).toBe('container')
    expect(stats.totalBytes).toBe(6_442_450_944)
    expect(stats.usedBytes).toBe(162_533_376)
    expect(stats.percentage).toBe(3)
    expect(stats.hostPercentage).toBe(90)
  })

  test('没有容器上限时回退到主机口径', () => {
    const stats = resolveProcessMemory({
      containerUsedBytes: null,
      containerLimitBytes: null,
      hostTotalBytes: 16_000_000_000,
      hostFreeBytes: 1_600_000_000,
    })

    expect(stats.source).toBe('host')
    expect(stats.usedBytes).toBe(14_400_000_000)
    expect(stats.percentage).toBe(90)
  })
})

describe('classifyUploadSession', () => {
  test('未完成且最近有活动记为处理中', () => {
    expect(
      classifyUploadSession({
        progress: 40,
        inactiveMs: 20_000,
        activeThresholdMs: 5 * 60 * 1000,
        maxShowThresholdMs: 60 * 60 * 1000,
      }),
    ).toBe('processing')
  })

  test('未完成但已停一会的会话记为等待，不再假装还有一条服务器排队', () => {
    expect(
      classifyUploadSession({
        progress: 40,
        inactiveMs: 12 * 60 * 1000,
        activeThresholdMs: 5 * 60 * 1000,
        maxShowThresholdMs: 60 * 60 * 1000,
      }),
    ).toBe('waiting')
  })

  test('完成或过久无活动的会话不展示', () => {
    expect(
      classifyUploadSession({
        progress: 100,
        inactiveMs: 1000,
        activeThresholdMs: 5 * 60 * 1000,
        maxShowThresholdMs: 60 * 60 * 1000,
      }),
    ).toBe('hidden')
    expect(
      classifyUploadSession({
        progress: 10,
        inactiveMs: 2 * 60 * 60 * 1000,
        activeThresholdMs: 5 * 60 * 1000,
        maxShowThresholdMs: 60 * 60 * 1000,
      }),
    ).toBe('hidden')
  })
})

describe('classifyTranscodeMaterial', () => {
  const now = new Date('2026-08-17T05:00:00.000Z')

  test('素材仍是 processing 且租约有效才算正在转码', () => {
    expect(
      classifyTranscodeMaterial({
        status: 'processing',
        leaseExpiresAt: new Date('2026-08-17T05:04:00.000Z'),
        now,
      }),
    ).toBe('processing')
  })

  test('不读阶段表里的陈旧 processing；素材已 pending 或租约过期都算等待', () => {
    expect(classifyTranscodeMaterial({ status: 'pending', now })).toBe('waiting')
    expect(
      classifyTranscodeMaterial({
        status: 'processing',
        leaseExpiresAt: new Date('2026-08-17T04:50:00.000Z'),
        now,
      }),
    ).toBe('waiting')
  })

  test('已完成或空状态不进面板', () => {
    expect(classifyTranscodeMaterial({ status: 'done', now })).toBe('hidden')
    expect(classifyTranscodeMaterial({ status: null, now })).toBe('hidden')
  })
})