import { describe, expect, it } from 'vitest'
import { decideEventOwnership } from './eventOwnership'

describe('decideEventOwnership', () => {
  it('assignee 是我 → own', () => {
    expect(decideEventOwnership({
      assignees: ['cruldra'],
      me: 'cruldra',
      hasLocalSessionEvidence: false,
    })).toBe('own')
  })

  it('assignee 是别人 → observe，即使本机有终端（重新指派会转移责任）', () => {
    expect(decideEventOwnership({
      assignees: ['chehongwei'],
      me: 'cruldra',
      hasLocalSessionEvidence: true,
    })).toBe('observe')
  })

  it('多 assignee 含我 → own', () => {
    expect(decideEventOwnership({
      assignees: ['chehongwei', 'cruldra'],
      me: 'cruldra',
      hasLocalSessionEvidence: false,
    })).toBe('own')
  })

  it('有 assignee 但身份未知 → observe（无法证明归属时不动作）', () => {
    expect(decideEventOwnership({
      assignees: ['cruldra'],
      me: undefined,
      hasLocalSessionEvidence: true,
    })).toBe('observe')
  })

  it('无 assignee（存量工单）+ 本机有实施/测试终端 → own', () => {
    expect(decideEventOwnership({
      assignees: [],
      me: 'cruldra',
      hasLocalSessionEvidence: true,
    })).toBe('own')
  })

  it('无 assignee + 无本地证据 → observe', () => {
    expect(decideEventOwnership({
      assignees: [],
      me: 'cruldra',
      hasLocalSessionEvidence: false,
    })).toBe('observe')
  })

  it('无 assignee 时本地证据不依赖身份（token 失效也能兜底）', () => {
    expect(decideEventOwnership({
      assignees: [],
      me: undefined,
      hasLocalSessionEvidence: true,
    })).toBe('own')
  })
})