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

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 detailExpenseModelScript = readFileSync(
  fileURLToPath(new URL('../src/views/scripts/travelRequestDetailExpenseModel.js', import.meta.url)),
  'utf8'
)
const confirmDialogComponent = readFileSync(
  fileURLToPath(new URL('../src/components/shared/ConfirmDialog.vue', import.meta.url)),
  'utf8'
)

function extractFunction(source, name) {
  let signatureIndex = source.indexOf(`function ${name}(`)
  if (signatureIndex === -1) {
    signatureIndex = source.indexOf(`async function ${name}(`)
  }
  assert.notEqual(signatureIndex, -1, `${name} should exist`)

  const bodyStart = source.indexOf('{', signatureIndex)
  assert.notEqual(bodyStart, -1, `${name} should have a body`)

  let depth = 0
  for (let index = bodyStart; index < source.length; index += 1) {
    const char = source[index]
    if (char === '{') {
      depth += 1
    } else if (char === '}') {
      depth -= 1
      if (depth === 0) {
        return source.slice(signatureIndex, index + 1)
      }
    }
  }

  assert.fail(`${name} body should be closed`)
}

test('detail submit opens a confirmation dialog before calling submit API', () => {
  assert.match(detailViewTemplate, /<ConfirmDialog[\s\S]*:open="submitConfirmDialogOpen"[\s\S]*:confirm-text="submitConfirmText"[\s\S]*@close="closeSubmitConfirmDialog"[\s\S]*@confirm="confirmSubmitRequest"/)
  assert.match(detailViewTemplate, /:secondary-text="submitConfirmSecondaryText"/)
  assert.match(detailViewTemplate, /@secondary="confirmStandardAdjustment"/)
  assert.match(detailViewTemplate, /:open="submitConfirmDialogOpen"[\s\S]*size="review"/)
  assert.match(detailViewTemplate, /cancel-text="返回核对"/)
  assert.match(detailViewTemplate, /@click="handleSubmit"/)

  assert.match(detailViewScript, /const submitConfirmDialogOpen = ref\(false\)/)
  assert.match(detailViewTemplate, /v-if="submitBusy" class="expense-recognition-banner submit-progress-banner"/)
  assert.doesNotMatch(detailViewScript, /preReviewExpenseClaim\(request\.value\.claimId\)/)
  assert.match(detailViewScript, /const submitActionLabel = computed/)
  assert.match(detailViewScript, /const submitConfirmSecondaryText = computed/)
  assert.match(detailViewScript, /submitConfirmDialogOpen\.value = true/)
  assert.match(detailViewScript, /submitConfirmDialogOpen\.value = false/)
  assert.match(detailViewScript, /submitConfirmDialogOpen,/)
  assert.match(detailViewScript, /closeSubmitConfirmDialog,/)
  assert.match(detailViewScript, /confirmSubmitRequest,/)

  const handleSubmit = extractFunction(detailViewScript, 'handleSubmit')
  const confirmSubmitRequest = extractFunction(detailViewScript, 'confirmSubmitRequest')
  assert.doesNotMatch(handleSubmit, /submitExpenseClaim/)
  assert.doesNotMatch(handleSubmit, /runAiPreReview\(\)/)
  assert.match(confirmSubmitRequest, /submitConfirmDialogOpen\.value = false[\s\S]*void runSubmitRequest\(claimId, documentNo, isApplication, taskSeq\)/)
  assert.doesNotMatch(confirmSubmitRequest, /await /)
  assert.doesNotMatch(confirmSubmitRequest, /submitExpenseClaim/)
  const runSubmitRequest = extractFunction(detailViewScript, 'runSubmitRequest')
  assert.match(runSubmitRequest, /submitExpenseClaim\(claimId\)/)
  assert.match(runSubmitRequest, /taskSeq !== submitTaskSeq/)
})

test('detail submit warns on missing risk explanation and supports standard adjustment', () => {
  assert.match(detailViewTemplate, /:open="riskOverrideDialogOpen"/)
  assert.match(detailViewTemplate, /:open="riskOverrideDialogOpen"[\s\S]*size="review"/)
  assert.match(detailViewTemplate, /异常说明/)
  assert.match(detailViewTemplate, /:title="riskOverrideDialogTitle"/)
  assert.match(detailViewTemplate, /:description="riskOverrideDialogDescription"/)
  assert.match(detailViewTemplate, /:confirm-text="riskOverrideConfirmText"/)
  assert.match(detailViewTemplate, /@confirm="confirmRiskOverrideDialog"/)
  assert.match(detailViewTemplate, /class="risk-override-card-shell"/)
  assert.match(detailViewTemplate, /class="risk-override-side-nav risk-override-side-nav--previous"/)
  assert.match(detailViewTemplate, /class="risk-override-side-nav risk-override-side-nav--next"/)
  assert.match(detailViewTemplate, /class="risk-override-guidance"/)
  assert.match(detailViewTemplate, /goToPreviousSubmitRisk/)
  assert.match(detailViewTemplate, /goToNextSubmitRisk/)
  assert.doesNotMatch(detailViewTemplate, /class="risk-override-nav"/)
  assert.doesNotMatch(detailViewTemplate, /v-model="riskOverrideReasons\[currentSubmitRiskWarning\.id\]"/)
  assert.doesNotMatch(detailViewTemplate, /risk-override-save-btn/)
  assert.doesNotMatch(detailViewTemplate, /confirmRiskOverrideReasons/)
  assert.match(detailViewScript, /const submitRiskWarnings = computed/)
  assert.match(detailViewScript, /const submitExplainedRiskWarnings = computed/)
  assert.match(detailViewScript, /const submitRiskReviewWarnings = computed/)
  assert.match(detailViewScript, /const hasMissingSubmitRiskWarnings = computed/)
  assert.match(detailViewScript, /const riskOverrideConfirmText = computed\(\(\) =>[\s\S]*确认说明/)
  const handleSubmit = extractFunction(detailViewScript, 'handleSubmit')
  const confirmSubmitRequest = extractFunction(detailViewScript, 'confirmSubmitRequest')
  assert.match(handleSubmit, /submitRiskReviewWarnings\.value\.length[\s\S]*openRiskOverrideDialog\(\)/)
  assert.doesNotMatch(confirmSubmitRequest, /openRiskOverrideDialog/)
  assert.doesNotMatch(detailViewScript, /riskOverrideReasons/)
  assert.doesNotMatch(detailViewScript, /function confirmRiskOverrideReasons\(\)/)
  assert.match(detailViewScript, /function confirmRiskOverrideDialog\(\)/)
  assert.match(detailViewScript, /function confirmRiskExplanation\(\)/)
  assert.match(detailViewScript, /function confirmStandardAdjustment\(\)/)
  assert.match(detailViewTemplate, /v-if="standardAdjustmentBusy" class="expense-recognition-banner standard-adjustment-banner"/)
  assert.match(detailViewScript, /const standardAdjustmentBusy = ref\(false\)/)
  const confirmRiskExplanation = extractFunction(detailViewScript, 'confirmRiskExplanation')
  assert.match(confirmRiskExplanation, /riskOverrideDialogOpen\.value = false[\s\S]*submitConfirmDialogOpen\.value = true/)
  const confirmStandardAdjustment = extractFunction(detailViewScript, 'confirmStandardAdjustment')
  assert.match(confirmStandardAdjustment, /const claimId = String\(request\.value\?\.claimId/)
  assert.match(confirmStandardAdjustment, /riskOverrideDialogOpen\.value = false[\s\S]*standardAdjustmentBusy\.value = true[\s\S]*void runStandardAdjustmentRecalculation\(claimId, taskSeq\)/)
  assert.doesNotMatch(confirmStandardAdjustment, /await /)
  assert.doesNotMatch(confirmStandardAdjustment, /acceptExpenseClaimStandardAdjustment/)
  const runStandardAdjustmentRecalculation = extractFunction(detailViewScript, 'runStandardAdjustmentRecalculation')
  assert.match(runStandardAdjustmentRecalculation, /acceptExpenseClaimStandardAdjustment\(claimId, payload\)/)
  assert.doesNotMatch(runStandardAdjustmentRecalculation, /submitConfirmDialogOpen\.value = true/)
  assert.match(detailViewScript, /buildStandardAdjustmentPayloadModel\(\{[\s\S]*warnings:\s*submitRiskCards\.value/)
  const actionBusyStart = detailViewScript.indexOf('const actionBusy = computed')
  const actionBusyEnd = detailViewScript.indexOf('const profile = computed', actionBusyStart)
  assert.ok(actionBusyStart > -1 && actionBusyEnd > actionBusyStart)
  assert.doesNotMatch(detailViewScript.slice(actionBusyStart, actionBusyEnd), /standardAdjustmentBusy/)
  assert.match(detailExpenseModelScript, /STANDARD_ADJUSTMENT_RISK_SOURCE = 'reimbursement_standard_adjustment'/)
})

test('submit confirm dialog is constrained for laptop viewport height', () => {
  assert.match(confirmDialogComponent, /max-height:\s*calc\(100vh - 40px\)/)
  assert.match(confirmDialogComponent, /max-height:\s*calc\(100dvh - 40px\)/)
  assert.match(confirmDialogComponent, /\.shared-confirm-body \{[\s\S]*min-height: 0;[\s\S]*overflow-y: auto;/)
  assert.match(confirmDialogComponent, /\.shared-confirm-actions \{[\s\S]*flex: 0 0 auto;/)
  assert.match(confirmDialogComponent, /\.shared-confirm-card--review \{[\s\S]*width: min\(560px, calc\(100vw - 40px\)\);/)
  assert.match(confirmDialogComponent, /@media \(max-width: 720px\) \{[\s\S]*max-height: calc\(100dvh - 28px\)/)
})

test('detail header and fallback progress use reimbursement wording', () => {
  assert.match(detailViewScript, /label:\s*'单据申请日期'/)
  assert.match(detailExpenseModelScript, /label:\s*'关联单据'/)
  assert.match(detailExpenseModelScript, /label:\s*'已归档'/)
  assert.doesNotMatch(detailViewScript, /label:\s*'保存草稿'/)
})

test('detail delete action is gated by admin-only permission', () => {
  assert.match(detailViewScript, /const canDeleteRequest = computed\(\(\) => isPlatformAdminUser\(currentUser\.value\)\)/)
  assert.match(detailViewTemplate, /v-else-if="canReturnRequest \|\| canApproveRequest \|\| canPayRequest \|\| canDeleteRequest"/)
  assert.doesNotMatch(detailViewTemplate, /v-if="canManageCurrentClaim"/)
})

test('detail delete action does not allow applicant or claim manager fallback', () => {
  assert.doesNotMatch(detailViewScript, /const canDeleteRequest = computed\(\(\) => \{[\s\S]*isCurrentApplicant[\s\S]*\}\)/)
  assert.doesNotMatch(detailViewScript, /const canDeleteRequest = computed\(\(\) => \{[\s\S]*canManageCurrentClaim[\s\S]*\}\)/)
  assert.match(detailViewScript, /if \(isApplicationDocument\.value\) {\s*return '删除申请'\s*}/)
  assert.match(detailViewScript, /当前申请单已进入审批流程，只有退回后申请人本人或系统管理员可以删除。/)
})