import { describe, expect, it } from 'vitest'
import { createSnapshot, deduplicateDocuments } from '../src/model.js'

describe('deduplicateDocuments', () => {
  it('deduplicates Windows paths and preserves dirty state', () => {
    const result = deduplicateDocuments([
      { path: 'F:\\Project\\main.ts', label: 'main.ts', dirty: false },
      { path: 'f:\\project\\MAIN.ts', label: 'MAIN.ts', dirty: true },
    ])
    expect(result).toEqual([{ path: 'f:\\project\\MAIN.ts', label: 'MAIN.ts', dirty: true }])
  })
})

describe('createSnapshot', () => {
  it('creates the frozen v1 wire shape', () => {
    const snapshot = createSnapshot({
      instanceId: 'one', processId: 12, workspace: 'F:\\Project',
      documents: [{ path: 'F:\\Project\\main.ts', label: 'main.ts', dirty: false }],
      now: new Date('2026-01-01T00:00:00.000Z'),
    })
    expect(snapshot).toMatchObject({ version: 1, ide: 'vscode', updatedAt: '2026-01-01T00:00:00.000Z' })
  })
})