[CmdletBinding()]
param()

$ErrorActionPreference = 'Stop'

$backendRoot = Split-Path -Parent $PSScriptRoot
$workspaceRoot = Split-Path -Parent $backendRoot
$failures = [System.Collections.Generic.List[string]]::new()
$checked = 0

function Add-Failure([string]$message) {
    $script:failures.Add($message)
}

function Read-RequiredText([string]$path) {
    $script:checked++
    if (-not (Test-Path -LiteralPath $path -PathType Leaf)) {
        Add-Failure "缺少索引文件: $path"
        return ''
    }
    return Get-Content -LiteralPath $path -Raw
}

function Assert-Contains([string]$text, [string]$needle, [string]$scope) {
    $script:checked++
    if (-not $text.Contains($needle)) {
        Add-Failure "$scope 未索引: $needle"
    }
}

function Assert-Path([string]$relativePath) {
    $script:checked++
    $absolutePath = Join-Path $workspaceRoot $relativePath
    if (-not (Test-Path -LiteralPath $absolutePath)) {
        Add-Failure "索引入口不存在: $relativePath"
    }
}

$rootAgentsPath = Join-Path $workspaceRoot 'AGENTS.md'
$adminAgentsPath = Join-Path $workspaceRoot 'apps/admin-web/AGENTS.md'
$clientAgentsPath = Join-Path $workspaceRoot 'apps/client-web/AGENTS.md'
$pdaAgentsPath = Join-Path $workspaceRoot 'apps/pda-uniapp/AGENTS.md'
$backendAgentsPath = Join-Path $backendRoot 'AGENTS.md'

$rootAgents = Read-RequiredText $rootAgentsPath
$adminAgents = Read-RequiredText $adminAgentsPath
$clientAgents = Read-RequiredText $clientAgentsPath
$pdaAgents = Read-RequiredText $pdaAgentsPath
$backendAgents = Read-RequiredText $backendAgentsPath

# 部署单元必须能从根索引进入。
Get-ChildItem -LiteralPath (Join-Path $workspaceRoot 'apps') -Directory |
    Sort-Object Name |
    ForEach-Object { Assert-Contains $rootAgents "apps/$($_.Name)/" '根 AGENTS.md' }
Assert-Contains $rootAgents 'baiyue-firstleg/' '根 AGENTS.md'

# 前端当前全部业务模块必须能从应用级索引命中。
$applications = @(
    @{ Root = 'apps/admin-web/src/modules'; Text = $adminAgents; Scope = 'Admin AGENTS.md' },
    @{ Root = 'apps/client-web/src/modules'; Text = $clientAgents; Scope = 'Client AGENTS.md' }
)
foreach ($application in $applications) {
    foreach ($moduleDirectory in (Get-ChildItem -LiteralPath (Join-Path $workspaceRoot $application.Root) -Directory | Sort-Object Name)) {
        Assert-Contains $application.Text "modules/$($moduleDirectory.Name)/" $application.Scope
    }
}

# PDA 只检查 pages.json 正式注册页面，不把空目录或未注册原型纳入索引。
$pagesJsonPath = Join-Path $workspaceRoot 'apps/pda-uniapp/pages.json'
$pagesJson = Get-Content -LiteralPath $pagesJsonPath -Raw | ConvertFrom-Json
$registeredPageRoots = $pagesJson.pages.path |
    ForEach-Object { $parts = $_ -split '/'; "$($parts[0])/$($parts[1])/" } |
    Sort-Object -Unique
foreach ($pageRoot in $registeredPageRoots) {
    Assert-Contains $pdaAgents $pageRoot 'PDA AGENTS.md'
}

# Maven 聚合声明的全部历史/当前模块必须在后端根指引中可定位。
[xml]$pom = Get-Content -LiteralPath (Join-Path $backendRoot 'pom.xml') -Raw
foreach ($module in $pom.project.modules.module) {
    Assert-Contains $backendAgents "$module/" '后端 AGENTS.md'
}

# 对本轮高变化链路做精确文件门禁，防止改名或删除后留下悬空索引。
$criticalPaths = @(
    'apps/admin-web/src/modules/overseas-warehouse/api/inboundOrders.ts',
    'apps/admin-web/src/modules/overseas-warehouse/api/inboundPlans.ts',
    'apps/admin-web/src/modules/overseas-warehouse/api/inventory.ts',
    'apps/admin-web/src/modules/overseas-warehouse/api/pallets.ts',
    'apps/admin-web/src/modules/overseas-business/api/platformOverseasBusiness.ts',
    'apps/admin-web/src/modules/overseas-master-data/api/overseasMasterData.ts',
    'apps/pda-uniapp/pages/tasks/tasks.vue',
    'apps/pda-uniapp/utils/evidence-upload-queue.js',
    'baiyue-firstleg/firstleg/src/main/java/com/baiyue/firstleg/service/FeePaymentSnapshotValidator.java',
    'baiyue-firstleg/firstleg/src/main/java/com/baiyue/firstleg/client/FeePaymentVoucherFileClient.java',
    'baiyue-firstleg/lastleg-service/src/main/java/com/baiyue/lastleg/inboundplan/mapper/InboundPlanQueryMapper.java',
    'baiyue-firstleg/lastleg-service/src/main/java/com/baiyue/lastleg/inboundplan/service/InboundFbaAppointmentService.java',
    'baiyue-firstleg/lastleg-service/src/main/java/com/baiyue/lastleg/inboundplan/pda/gateway/UnloadPhotoFileGateway.java',
    'baiyue-firstleg/event-bridge-service/src/main/java/com/baiyue/eventbridge/service/FirstlegEventClient.java',
    'baiyue-firstleg/common-event-contract/src/main/java/com/baiyue/common/event/FirstLegLoadingPlanCompletedV2.java'
)
$criticalPaths | ForEach-Object { Assert-Path $_ }

# 只检查明确维护的快速索引表，避免把排除规则正文中的目录名误判为业务入口。
$indexedAgentFiles = @(
    $rootAgentsPath,
    $adminAgentsPath,
    $clientAgentsPath,
    $pdaAgentsPath,
    $backendAgentsPath,
    (Join-Path $backendRoot 'firstleg/AGENTS.md'),
    (Join-Path $backendRoot 'finance/AGENTS.md'),
    (Join-Path $backendRoot 'lastleg-service/AGENTS.md'),
    (Join-Path $backendRoot 'event-bridge-service/AGENTS.md'),
    (Join-Path $backendRoot 'file/AGENTS.md'),
    (Join-Path $backendRoot 'common-event-contract/AGENTS.md')
)
$excludedTargetPattern = '(?i)`(?:[^`]*/)?(node_modules|node_modules\.broken-by-path|dist|target|reports|output|outputs|uni_modules|\.git|\.codex[^/`]*)(?:/|`)'
$excludedPatternSamples = @(
    '| 错误入口 | `node_modules/pkg/` |',
    '| 错误入口 | `src/target/classes/` |',
    '| 错误入口 | `.codex-temp/task/` |'
)
foreach ($sample in $excludedPatternSamples) {
    $script:checked++
    if ($sample -notmatch $excludedTargetPattern) {
        Add-Failure "排除目录检测器自检失败: $sample"
    }
}
foreach ($agentFile in $indexedAgentFiles) {
    $script:checked++
    if (-not (Test-Path -LiteralPath $agentFile -PathType Leaf)) {
        Add-Failure "缺少受检索引文件: $agentFile"
        continue
    }
    $lineNumber = 0
    foreach ($line in Get-Content -LiteralPath $agentFile) {
        $lineNumber++
        if ($line.StartsWith('|') -and $line -match $excludedTargetPattern) {
            Add-Failure "快速索引引用了排除目录: $agentFile`:$lineNumber"
        }
    }
}

if ($failures.Count -gt 0) {
    Write-Host "AGENTS 索引合同失败，共 $($failures.Count) 项：" -ForegroundColor Red
    $failures | ForEach-Object { Write-Host "- $_" -ForegroundColor Red }
    exit 1
}

Write-Host "AGENTS 索引合同通过：$checked 项检查，覆盖部署单元、前端模块、PDA 注册页面、Maven 模块、关键入口和排除目录。" -ForegroundColor Green
exit 0