import assert from 'node:assert/strict'
import { readFileSync } from 'node:fs'
import test from 'node:test'
import { fileURLToPath } from 'node:url'

import {
  buildAiAdviceViewModel,
  buildAttachmentInsightViewModel,
  buildAttachmentRiskCards
} from '../src/views/scripts/travelRequestDetailInsights.js'

const detailViewTemplate = readFileSync(
  fileURLToPath(new URL('../src/views/TravelRequestDetailView.vue', import.meta.url)),
  'utf8'
)
const detailViewScript = readFileSync(
  fileURLToPath(new URL('../src/views/scripts/TravelRequestDetailView.js', import.meta.url)),
  'utf8'
)
const requestsComposableScript = readFileSync(
  fileURLToPath(new URL('../src/composables/useRequests.js', import.meta.url)),
  'utf8'
)
const approvalCenterTemplate = readFileSync(
  fileURLToPath(new URL('../src/views/ApprovalCenterView.vue', import.meta.url)),
  'utf8'
)
const approvalCenterScript = readFileSync(
  fileURLToPath(new URL('../src/views/scripts/ApprovalCenterView.js', import.meta.url)),
  'utf8'
)
const returnReasonDialog = readFileSync(
  fileURLToPath(new URL('../src/components/shared/ReturnReasonDialog.vue', import.meta.url)),
  'utf8'
)

const attachmentMeta = {
  file_name: 'taxi-invoice.pdf',
  media_type: 'application/pdf',
  previewable: true,
  document_info: {
    document_type: 'taxi_receipt',
    document_type_label: '出租车/网约车票据',
    fields: [
      { label: '金额', value: '121.54' },
      { label: '日期', value: '2026-03-04' }
    ]
  },
  requirement_check: {
    matches: false,
    message: '附件类型与当前费用项目不匹配。'
  },
  analysis: {
    severity: 'high',
    label: '高风险',
    headline: '票据类型不匹配',
    summary: '交通票据挂在办公费明细下。',
    points: ['票据识别为出租车/网约车票据', '当前费用项目为办公费'],
    suggestion: '把费用项目调整为交通费，或更换为办公用品票据。'
  }
}

test('attachment insight exposes recognition fields and rule basis', () => {
  const insight = buildAttachmentInsightViewModel(attachmentMeta, {
    name: '办公费',
    itemType: 'office'
  })

  assert.equal(insight.documentTypeLabel, '出租车/网约车票据')
  assert.equal(insight.requirementLabel, '不符合当前费用类型')
  assert.deepEqual(insight.fields, ['金额：121.54', '日期：2026-03-04'])
  assert.ok(insight.ruleBasis.some((item) => item.includes('附件类型与当前费用项目不匹配')))
})

test('AI advice card splits every attachment risk point with basis and suggestion', () => {
  const riskCards = buildAttachmentRiskCards({
    expenseItems: [
      {
        id: 'item-1',
        name: '办公费',
        invoiceId: 'taxi-invoice.pdf'
      }
    ],
    attachmentMetaByItemId: {
      'item-1': attachmentMeta
    }
  })
  const advice = buildAiAdviceViewModel({
    completionItems: [],
    riskCards
  })

  assert.equal(riskCards.length, 2)
  assert.equal(advice.badge, '优先整改')
  assert.equal(advice.riskCards.length, 2)
  assert.ok(advice.riskCards.every((card) => card.ruleBasis.length > 0))
  assert.ok(advice.riskCards.every((card) => card.suggestion.includes('费用项目调整为交通费')))
})

test('AI advice shows only the latest manual return while preserving return count context', () => {
  const riskCards = buildAttachmentRiskCards({
    claimRiskFlags: [
      {
        source: 'manual_return',
        severity: 'medium',
        label: '人工退回',
        message: '第一次退回：缺少附件。',
        reason: '缺少附件。',
        return_count: 1,
        return_stage: '直属领导审批',
        risk_points: ['附件缺失或不清晰']
      },
      {
        source: 'manual_return',
        severity: 'medium',
        label: '人工退回',
        message: '第二次退回：超标说明不完整。',
        reason: '超标说明不完整。',
        return_count: 2,
        return_stage: '财务审批',
        risk_points: ['超出制度标准或缺少超标说明']
      }
    ]
  })

  assert.equal(riskCards.length, 1)
  assert.equal(riskCards[0].risk, '第二次退回：超标说明不完整。')
  assert.ok(riskCards[0].ruleBasis.some((item) => item.includes('累计退回 2 次')))
  assert.ok(riskCards[0].ruleBasis.some((item) => item.includes('财务审批')))
})

test('expense attachment actions keep preview as the only recognition entry point', () => {
  assert.match(detailViewTemplate, /:aria-label="resolveAttachmentPreviewTitle\(item\)"/)
  assert.match(detailViewScript, /return fileName \? `预览附件：\$\{fileName\}` : '预览附件'/)
  assert.doesNotMatch(detailViewTemplate, /aria-label="识别附件"/)
  assert.doesNotMatch(detailViewTemplate, /点击识别按钮/)
  assert.doesNotMatch(detailViewScript, /recognizeExpenseAttachment/)
  assert.doesNotMatch(detailViewScript, /recognizingExpenseId/)
})

test('expense detail table omits compact-breaking summary labels', () => {
  assert.match(detailViewTemplate, /<div class="detail-expense-table">/)
  assert.match(detailViewTemplate, /当前还没有费用明细/)
  assert.doesNotMatch(detailViewTemplate, /class="total-row"/)
  assert.doesNotMatch(detailViewTemplate, /expense-total-bar/)
  assert.doesNotMatch(detailViewTemplate, /合计 \{\{ expenseTotal \}\}/)
  assert.doesNotMatch(detailViewTemplate, /\{\{ uploadedExpenseCount \}\} 项已关联票据/)
  assert.doesNotMatch(detailViewTemplate, /\{\{ expenseSummaryText \}\}/)
})

test('expense detail table shows each item filled time from item creation time', () => {
  assert.match(detailViewTemplate, /<th class="col-filled-at">填写时间<\/th>/)
  assert.match(detailViewTemplate, /<td class="expense-filled-at col-filled-at">[\s\S]*\{\{ item\.filledAt \}\}/)
  assert.match(detailViewTemplate, /<span>条款填写时间<\/span>/)
  assert.match(detailViewScript, /function formatExpenseFilledTime\(value\)/)
  assert.match(detailViewScript, /source\?\.filledAt[\s\S]*source\?\.created_at/)
  assert.match(detailViewScript, /expenseTableColumnCount = computed\(\s*\(\) => 6 \+ \(isEditableRequest\.value \? 1 : 0\)/)
  assert.match(requestsComposableScript, /filledAt: formatDateTime\(item\?\.created_at\) \|\| '待同步'/)
})

test('expense item upload remains limited to one receipt per detail row', () => {
  assert.match(detailViewTemplate, /ref="expenseUploadInput"[\s\S]*type="file"/)
  assert.doesNotMatch(detailViewTemplate, /\bmultiple\b/)
  assert.equal(
    (detailViewTemplate.match(/v-if="isEditableRequest && !item\.invoiceId"/g) || []).length,
    2
  )
  assert.match(detailViewScript, /const attachments = invoiceId \? \[attachmentName \|\| invoiceId\] : \[\]/)
  assert.match(detailViewScript, /attachmentStatus: attachments\.length \? '已关联票据' : '未上传'/)
  assert.match(detailViewScript, /if \(item\?\.invoiceId\) \{[\s\S]*每条费用明细只能关联一张单据/)
  assert.match(detailViewScript, /const fileCount = fileList\?\.length \|\| 0/)
  assert.match(detailViewScript, /fileCount > 1[\s\S]*一条费用明细只能上传一张单据/)
})

test('expense item upload patches OCR amount into the visible detail row', () => {
  assert.match(detailViewScript, /const recognizedItemAmount = Number\(payload\?\.item_amount \?\? payload\?\.itemAmount\)/)
  assert.match(detailViewScript, /itemPatch\.itemAmount = recognizedItemAmount/)
  assert.match(detailViewScript, /itemPatch\.amount = formatCurrency\(recognizedItemAmount\)/)
  assert.match(detailViewScript, /expenseEditor\.itemAmount = String\(recognizedItemAmount\)/)
})

test('return reason dialog is wired into approval and detail return actions', () => {
  assert.match(returnReasonDialog, /missing_attachment/)
  assert.match(returnReasonDialog, /invoice_mismatch/)
  assert.match(returnReasonDialog, /reason_codes/)
  assert.match(approvalCenterTemplate, /<TravelRequestDetailView/)
  assert.doesNotMatch(approvalCenterTemplate, /<ReturnReasonDialog/)
  assert.match(detailViewTemplate, /<ReturnReasonDialog/)
  assert.doesNotMatch(approvalCenterScript, /returnExpenseClaim/)
  assert.match(detailViewScript, /returnExpenseClaim\(request\.value\.claimId, payload\)/)
  assert.doesNotMatch(approvalCenterScript, /审批中心退回/)
  assert.doesNotMatch(detailViewScript, /详情页退回/)
})