import type { Issue } from '../gitea/types'
import { describe, expect, it } from 'vitest'
import { evaluateLockedReason } from './issueLock'

function issue(number: number, column: Issue['column'], prerequisite?: number): Issue {
  return { number, title: `#${number}`, column, prerequisite } as Issue
}

describe('evaluateLockedReason', () => {
  it('没有前置 → 放行', () => {
    expect(evaluateLockedReason([issue(1, 'todo')], 1)).toEqual({ locked: false })
  })

  it('前置未完成 → 锁定并带上前置号和所在列', () => {
    const issues = [issue(2, 'todo', 1), issue(1, 'in-progress')]
    expect(evaluateLockedReason(issues, 2)).toEqual({
      locked: true,
      prerequisiteNumber: 1,
      prerequisiteColumn: 'in-progress',
    })
  })

  it('前置已完成 → 放行', () => {
    const issues = [issue(2, 'todo', 1), issue(1, 'done')]
    expect(evaluateLockedReason(issues, 2)).toEqual({ locked: false })
  })

  it('快照里没有前置工单 → 放行（不误锁）', () => {
    expect(evaluateLockedReason([issue(2, 'todo', 99)], 2)).toEqual({ locked: false })
  })

  it('快照里没有这张工单 → 放行', () => {
    expect(evaluateLockedReason([issue(1, 'todo')], 7)).toEqual({ locked: false })
  })
})