import test from 'node:test'
import assert from 'node:assert/strict'
import { buildApiCatalog, matchApiEndpoints } from '../src/lib/api-docs.js'
import { buildMaintenanceContract } from '../src/lib/maintenance.js'
import { buildAppMap, buildAppMapWithGuides, buildPageContract, extractRegions, inferRegionSpec, parsePrototypeGuide, summarizeHtml, validatePageContract } from '../src/lib/html.js'

test('summarizeHtml extracts user-visible contract evidence', () => {
  const summary = summarizeHtml(`
    <title>Orders</title>
    <main>
      <h1>Orders</h1>
      <form><label>Email</label><input name="email" required><button>Save</button></form>
    </main>
  `)

  assert.equal(summary.title, 'Orders')
  assert.deepEqual(summary.labels, ['Email'])
  assert.deepEqual(summary.buttons, ['Save'])
  assert.equal(summary.inputs[0].name, 'email')
  assert.equal(summary.inputs[0].required, true)
})

test('extractRegions falls back to a single page region', () => {
  const regions = extractRegions('<h1>Hello</h1><p>World</p>')

  assert.equal(regions.length, 1)
  assert.equal(regions[0].id, 'page-1')
})

test('inferRegionSpec maps forms to VForm', () => {
  const [region] = extractRegions('<main><form><input name="q"><button>Search</button></form></main>')
  const spec = inferRegionSpec(region)

  assert.equal(spec.vuetifyComponent, 'VForm')
  assert.deepEqual(spec.uiContract.primaryActions, ['Search'])
})

test('buildPageContract creates page-level UI contract', () => {
  const html = `
    <main>
      <h1>Orders</h1>
      <form><label>Email</label><input name="email" required><button>Search</button></form>
      <table><thead><tr><th>Status</th></tr></thead><tbody><tr><td>Pending</td></tr></tbody></table>
    </main>
  `
  const regions = extractRegions(html)
  const domSummary = summarizeHtml(html)
  const contract = buildPageContract({
    page: 'orders.html',
    source: '/prototype/orders.html',
    html,
    regions,
    domSummary,
    screenshotPath: '.ht/cache/prototype/orders/desktop-default.png'
  })

  assert.equal(contract.page, 'orders.html')
  assert.equal(contract.forms[0].fields[0].required, true)
  assert.deepEqual(contract.tables[0].headers, ['Status'])
  assert.ok(contract.vuetifyComponents.includes('VTable'))
})

test('buildPageContract infers legacy table field labels and action semantics', () => {
  const html = `
    <main>
      <form>
        <table>
          <tr><th>場地</th><td><select name="rom_id"><option>R001 大禮堂</option></select></td></tr>
          <tr><th>查詢起日</th><td><input name="startDate" maxlength="7"></td></tr>
        </table>
        <input type="button" value="查詢">
      </form>
      <table><tr><th>申請單號</th><th>操作</th></tr><tr><td>A001</td><td><input type="button" value="刪除"></td></tr></table>
    </main>
  `
  const contract = buildPageContract({
    page: 'query-room.html',
    source: '/prototype/query-room.html',
    html,
    regions: extractRegions(html),
    domSummary: summarizeHtml(html),
    screenshotPath: null
  })

  assert.equal(contract.forms[0].fields[0].label, '場地')
  assert.deepEqual(contract.forms[0].fields[0].options, ['R001 大禮堂'])
  assert.equal(contract.forms[0].fields[1].maxLength, '7')
  assert.equal(contract.actions.find((action) => action.label === '查詢').actionType, 'search')
  assert.equal(contract.actions.find((action) => action.label === '刪除').scope, 'rowAction')
  assert.equal(contract.tables[0].role, 'searchTable')
  assert.equal(contract.tables[1].role, 'resultTable')
})

test('validatePageContract reports evidence mismatches', () => {
  const report = validatePageContract({
    textSamples: ['Missing'],
    actions: [{ label: 'Save' }],
    forms: [],
    vuetifyComponents: ['VContainer']
  }, {
    textSamples: ['Orders'],
    buttons: ['Search'],
    labels: []
  })

  assert.equal(report.requiresHumanReview, true)
  assert.match(report.warnings.join('\n'), /Missing/)
  assert.match(report.warnings.join('\n'), /Save/)
})

test('buildAppMap classifies auth, shell references, and feature pages', () => {
  const prototypeDir = '/repo/prototype'
  const specs = [
    buildSpec('/repo/prototype/portal/login.html', '<main><input type="password" name="pwd"><button>登入</button></main>'),
    buildSpec('/repo/prototype/portal/app-layout.html', '<main><button>隱藏選單</button><button>登　　出</button></main>'),
    buildSpec('/repo/prototype/venue/applications-list.html', '<main><h1>我的申請紀錄</h1><table><tr><th>申請單號</th></tr></table><button>查詢</button></main>')
  ]

  const appMap = buildAppMap(specs, prototypeDir)

  assert.equal(appMap.routes.find((route) => route.prototype === 'portal/login.html').kind, 'auth')
  assert.equal(appMap.routes.find((route) => route.prototype === 'portal/login.html').layout, 'template-auth')
  assert.equal(buildAppMap([
    buildSpec('/repo/prototype/portal/forget-password.html', '<main><h1>忘記密碼</h1><input name="idno"><button>發送至信箱</button></main>')
  ], prototypeDir).routes[0].targetRole, 'forgot-password')
  assert.equal(appMap.routes.find((route) => route.prototype === 'portal/app-layout.html').kind, 'legacy-shell-reference')
  assert.equal(appMap.routes.find((route) => route.prototype === 'portal/app-layout.html').usePrototypeContent, false)
  assert.equal(appMap.routes.find((route) => route.prototype === 'venue/applications-list.html').kind, 'feature-page')
  assert.equal(appMap.routes.find((route) => route.prototype === 'venue/applications-list.html').layout, 'template-app')
  assert.equal(appMap.modules.find((module) => module.name === 'venue').kind, 'feature-module')
})

test('buildAppMap enriches routes with prototype markdown guide entries', () => {
  const prototypeDir = '/repo/prototype'
  const guide = parsePrototypeGuide('venue.md', `
    # Venue 雛型導覽

    | 雛型檔 | 舊 JSP 來源 | 舊 PB NVO 來源 | 對應 Vue view（M9） |
    | --- | --- | --- | --- |
    | [\`query-room.html\`](venue/query-room.html) | \`zte_pro/zte451_02.jsp\` + \`zte451_02_1.jsp\` | \`n_zte451.of_zte451_02\` / \`of_zte451_02_1\` | \`RoomQueryView.vue\` |
  `)
  const appMap = buildAppMapWithGuides([
    buildSpec('/repo/prototype/venue/query-room.html', '<main><h1>全校場地查詢</h1><button>查詢</button></main>')
  ], prototypeDir, [guide])
  const route = appMap.routes[0]

  assert.equal(appMap.guideSources[0].source, 'venue.md')
  assert.equal(route.evidence.prototypeGuide, 'venue.md')
  assert.equal(route.guide.legacyJsp, 'zte_pro/zte451_02.jsp + zte451_02_1.jsp')
  assert.equal(route.guide.legacyPb, 'n_zte451.of_zte451_02 / of_zte451_02_1')
  assert.equal(route.guide.targetView, 'RoomQueryView.vue')
})

test('parsePrototypeGuide attaches checklist items to guide entries', () => {
  const guide = parsePrototypeGuide('venue.md', `
    # Venue

    | 雛型檔 | 舊 JSP 來源 | 對應 Vue view |
    | --- | --- | --- |
    | [\`apply-room.html\`](venue/apply-room.html) | \`legacy/apply.jsp\` | \`RoomApplyView.vue\` |

    ### apply-room.html vs legacy

    - [ ] 活動名稱必填
    - [ ] 使用節次：14 個 checkbox
  `)

  assert.deepEqual(guide.entries[0].checklist, ['活動名稱必填', '使用節次：14 個 checkbox'])
})

test('buildApiCatalog parses generic markdown API docs and matches routes', () => {
  const catalog = buildApiCatalog([
    {
      source: 'apps/backend/API.md',
      markdown: `
        ## Orders Module

        | 方法 | 路徑 | 說明 | 授權 |
        | --- | --- | --- | --- |
        | GET | \`/api/v1/orders\` | 查詢訂單 | Authorize |
      `
    },
    {
      source: 'apps/backend/API_Manual.md',
      markdown: `
        ## 5. Orders API

        ### 5.1 新增訂單

        \`\`\`text
        POST /api/v1/orders
        \`\`\`

        Request：

        \`\`\`json
        { "orderName": "Demo", "items": [{ "sku": "A001", "qty": 1 }] }
        \`\`\`

        Response：

        \`\`\`json
        { "orderNo": "O001" }
        \`\`\`

        欄位規則：

        | 欄位 | 規則 |
        | --- | --- |
        | \`orderName\` | 必填 |
      `
    }
  ])

  assert.ok(catalog.endpoints.some((endpoint) => endpoint.id === 'POST /api/v1/orders'))
  assert.equal(catalog.fieldRules[0].field, 'orderName')
  const matches = matchApiEndpoints({
    prototype: 'orders/apply.html',
    page: 'apply.html',
    module: 'orders',
    title: '訂單申請',
    guide: { targetView: 'OrderApplyView.vue' },
    evidence: { actions: ['存檔'], textSamples: ['訂單'] }
  }, catalog)
  assert.equal(matches[0].path, '/api/v1/orders')
})

test('buildMaintenanceContract recommends generic templates from evidence', () => {
  const spec = buildSpec('/repo/prototype/orders/apply.html', `
    <main>
      <h1>訂單申請</h1>
      <form>
        <table>
          <tr><th>訂單名稱</th><td><input name="orderName"></td></tr>
          <tr><th>明細</th><td><select name="items"><option>A001</option></select></td></tr>
        </table>
        <input type="button" value="存檔">
      </form>
    </main>
  `)
  const route = {
    kind: 'feature-page',
    prototype: 'orders/apply.html',
    page: 'apply.html',
    guide: { targetView: 'OrderApplyView.vue' }
  }
  const contract = buildMaintenanceContract({
    route,
    spec,
    apiMatches: [{ method: 'POST', path: '/api/v1/orders', description: '新增訂單' }]
  })

  assert.equal(contract.pageKind, 'application')
  assert.equal(contract.recommendedTemplate, 'master-detail-c')
  assert.equal(contract.dataModel.primaryEntity, 'OrderApply')
})

function buildSpec(source, html) {
  const regions = extractRegions(html)
  const domSummary = summarizeHtml(html)
  const page = source.split('/').at(-1)
  return {
    source,
    page,
    pageContract: buildPageContract({
      page,
      source,
      html,
      regions,
      domSummary,
      screenshotPath: `.ht/cache/prototype/${page.replace(/\.html$/, '')}/desktop-default.png`
    })
  }
}