param(
    [string]$SkillsRoot,
    [string]$SourceRoot = $PSScriptRoot,
    [switch]$DryRun
)
$ErrorActionPreference = "Stop"
# Cross-platform home dir: $HOME works on Windows PowerShell 5+ and PowerShell 7 (Linux/Mac)
if (-not $SkillsRoot) {
    $SkillsRoot = Join-Path (Join-Path $HOME ".openclaw") "skills"
}
$categories = @("wechat")
Write-Host "=== OpenClaw WeChat Skill Deploy v1.2.0 ==="
Write-Host "Source: $SourceRoot"
Write-Host "Target: $SkillsRoot"
if ($DryRun) { Write-Host "[DRY RUN]" -ForegroundColor Yellow }
if (-not $DryRun -and -not (Test-Path $SkillsRoot)) {
    New-Item -ItemType Directory -Path $SkillsRoot -Force | Out-Null
}
$deployed = 0; $skipped = 0; $errors = 0
foreach ($cat in $categories) {
    $catPath = Join-Path $SourceRoot $cat
    if (-not (Test-Path $catPath)) { continue }
    Write-Host "--- $cat ---" -ForegroundColor Cyan
    foreach ($skillDir in (Get-ChildItem -Directory -Path $catPath)) {
        $n = $skillDir.Name
        $sm = Join-Path $skillDir.FullName "SKILL.md"
        $ac = Join-Path $skillDir.FullName "api-config.json"
        if (-not (Test-Path $sm)) { $skipped++; continue }
        # api-config.json is optional reference material in v1.1.0+
        if (Test-Path $ac) {
            try { $null = Get-Content $ac -Raw -Encoding UTF8 | ConvertFrom-Json } catch { $errors++; continue }
        }
        $dest = Join-Path $SkillsRoot $n
        if ($DryRun) {
            if (Test-Path $dest) { $tag = 'UPDATE' } else { $tag = 'NEW' }
            Write-Host "  [$tag] $n"
        } else {
            if (Test-Path $dest) { Remove-Item -Recurse -Force $dest }
            New-Item -ItemType Directory -Path $dest -Force | Out-Null
            Get-ChildItem -File -Path $skillDir.FullName | ForEach-Object { Copy-Item $_.FullName -Destination $dest }
            Write-Host "  [OK] $n" -ForegroundColor Green
        }
        $deployed++
    }
}
Write-Host "Result: $deployed deployed, $skipped skipped, $errors errors"

# Deploy workflows
$wfSource = Join-Path $SourceRoot "workflows"
$wfTarget = Join-Path (Split-Path $SkillsRoot -Parent) "workflows"
if (Test-Path $wfSource) {
    Write-Host "--- workflows ---" -ForegroundColor Cyan
    if (-not $DryRun) {
        if (-not (Test-Path $wfTarget)) { New-Item -ItemType Directory -Path $wfTarget -Force | Out-Null }
        Get-ChildItem -File -Path $wfSource | ForEach-Object {
            Copy-Item $_.FullName -Destination $wfTarget -Force
            Write-Host "  [OK] $($_.Name)" -ForegroundColor Green
        }
    } else {
        Get-ChildItem -File -Path $wfSource | ForEach-Object { Write-Host "  [WORKFLOW] $($_.Name)" }
    }
}

$openclawDir = Split-Path $SkillsRoot -Parent
if (-not $DryRun) {
    # Copy credentials template
    $tpl = Join-Path (Join-Path $SourceRoot "__config") "wechat-credentials.template.json"
    $dst = Join-Path $openclawDir "wechat-credentials.template.json"
    if (Test-Path $tpl) { Copy-Item $tpl -Destination $dst -Force; Write-Host "Template: $dst" }

    # Create default credentials if not exists
    $credFile = Join-Path $openclawDir "wechat-credentials.json"
    if (-not (Test-Path $credFile)) {
        Copy-Item $tpl -Destination $credFile -Force
        Write-Host "[!] Created $credFile - please edit wechatApiBase to your server address" -ForegroundColor Yellow
    }
}

# ---- Auto-reply daemon + config ----
$daemonSrc = Join-Path (Join-Path $SourceRoot "daemon") "auto-reply-daemon.js"
$daemonDst = Join-Path $openclawDir "auto-reply-daemon.js"
$cfgTplSrc = Join-Path (Join-Path $SourceRoot "daemon") "wechat-auto-reply-config.template.json"
$cfgTplDst = Join-Path $openclawDir "wechat-auto-reply-config.template.json"
$cfgDst    = Join-Path $openclawDir "wechat-auto-reply-config.json"
if (Test-Path $daemonSrc) {
    Write-Host "--- auto-reply daemon ---" -ForegroundColor Cyan
    if ($DryRun) {
        Write-Host "  [DAEMON] $daemonDst"
        Write-Host "  [CONFIG-TEMPLATE] $cfgTplDst"
        if (-not (Test-Path $cfgDst)) { Write-Host "  [CONFIG-DEFAULT] $cfgDst" }
    } else {
        Copy-Item $daemonSrc -Destination $daemonDst -Force
        Write-Host "  [OK] $daemonDst" -ForegroundColor Green
        if (Test-Path $cfgTplSrc) {
            Copy-Item $cfgTplSrc -Destination $cfgTplDst -Force
            Write-Host "  [OK] $cfgTplDst" -ForegroundColor Green
            if (-not (Test-Path $cfgDst)) {
                Copy-Item $cfgTplSrc -Destination $cfgDst -Force
                Write-Host "  [!] Created default config: $cfgDst (edit to customize reply rules)" -ForegroundColor Yellow
            }
        }
    }
}

if (-not $DryRun) { Write-Host "Done!" -ForegroundColor Green }