import { describe, it, expect } from 'vitest'
import { buildTemplateContext } from '../../src/shared/chapter-template'
import type { Chapter, OutlineItem, SettingEntry, Volume } from '../../src/shared/types'

const volumeId = 'vol-1'
const chapterId = 'ch-1'

const volumes: Volume[] = [
  { id: volumeId, name: '第一卷', description: '', sortOrder: 0, createdAt: '', updatedAt: '' }
]

const chapters: Chapter[] = [
  {
    id: 'ch-prev',
    volumeId,
    title: '序章',
    content: '',
    status: 'draft',
    publishStatus: 'draft',
    sortOrder: 0,
    wordCount: 0,
    cursorOffset: 0,
    createdAt: '',
    updatedAt: ''
  }
]

describe('buildTemplateContext', () => {
  it('UT-TEMPL-05: characterList from settings', () => {
    const settings: SettingEntry[] = [
      {
        id: 's1',
        type: 'character',
        name: '林远',
        description: '',
        properties: {},
        createdAt: '',
        updatedAt: ''
      },
      {
        id: 's2',
        type: 'character',
        name: '苏晴',
        description: '',
        properties: {},
        createdAt: '',
        updatedAt: ''
      }
    ]
    const ctx = buildTemplateContext({
      chapterTitle: '新章',
      penName: '笔名',
      volumes,
      chapters,
      outlines: [],
      settings,
      activeVolumeId: volumeId
    })
    expect(ctx.characterList).toContain('林远')
    expect(ctx.characterList).toContain('苏晴')
    expect(ctx.chapterNumber).toBe(2)
    expect(ctx.previousChapterTitle).toBe('序章')
  })

  it('UT-TEMPL-06: outlineItem from linked outline', () => {
    const outlines: OutlineItem[] = [
      {
        id: 'o1',
        parentId: null,
        title: '主角觉醒',
        description: '',
        status: 'planned',
        expectedWordCount: null,
        chapterId,
        sortOrder: 0,
        createdAt: '',
        updatedAt: ''
      }
    ]
    const ctx = buildTemplateContext({
      chapterTitle: '第一章',
      penName: '笔名',
      volumes,
      chapters,
      outlines,
      settings: [],
      activeVolumeId: volumeId,
      selectedChapterId: chapterId
    })
    expect(ctx.outlineItem).toBe('主角觉醒')
  })
})