<#
.SYNOPSIS
    Launch Chrome with remote debugging enabled for CDP capture.

.DESCRIPTION
    Starts Chrome with --remote-debugging-port so the CDP capture tool can
    connect and observe all browser activity.

.PARAMETER Port
    Remote debugging port (default: 9222)

.PARAMETER UseRealProfile
    Use your real Chrome profile (with logins, cookies, etc.)
    WARNING: Chrome must be fully closed first.

.PARAMETER ProfileDir
    Custom profile directory path. Defaults to a separate profile if not specified.

.PARAMETER Url
    Starting URL (default: about:blank)

.EXAMPLE
    .\launch-chrome.ps1
    Launches Chrome with a fresh profile on port 9222

.EXAMPLE
    .\launch-chrome.ps1 -UseRealProfile
    Launches Chrome with your real profile (closes existing Chrome first)

.EXAMPLE
    .\launch-chrome.ps1 -Port 9223 -Url "https://example.com"
    Custom port and starting URL
#>

param(
    [int]$Port = 9222,
    [switch]$UseRealProfile,
    [string]$ProfileDir = "",
    [string]$Url = "about:blank"
)

$chromePath = "C:\Program Files\Google\Chrome\Application\chrome.exe"

if (-not (Test-Path $chromePath)) {
    # Try other common locations
    $altPaths = @(
        "$env:ProgramFiles\Google\Chrome\Application\chrome.exe",
        "$env:ProgramFiles(x86)\Google\Chrome\Application\chrome.exe",
        "$env:LOCALAPPDATA\Google\Chrome\Application\chrome.exe"
    )
    foreach ($p in $altPaths) {
        if (Test-Path $p) { $chromePath = $p; break }
    }
    if (-not (Test-Path $chromePath)) {
        Write-Host "❌ Chrome not found!" -ForegroundColor Red
        exit 1
    }
}

# Determine user data directory
if ($UseRealProfile) {
    # Check if Chrome is running
    $chromeProcs = Get-Process chrome -ErrorAction SilentlyContinue
    if ($chromeProcs) {
        Write-Host "⚠️  Chrome is running. Closing it to use your real profile..." -ForegroundColor Yellow
        Stop-Process -Name chrome -Force -ErrorAction SilentlyContinue
        Start-Sleep -Seconds 2
    }
    $userDataDir = "$env:LOCALAPPDATA\Google\Chrome\User Data"
    Write-Host "Using real profile: $userDataDir" -ForegroundColor Green
} elseif ($ProfileDir -ne "") {
    $userDataDir = $ProfileDir
} else {
    # Separate profile for capture sessions
    $userDataDir = "$env:LOCALAPPDATA\Google\Chrome\Capture-Profile"
    Write-Host "Using capture profile: $userDataDir" -ForegroundColor Cyan
    Write-Host "(Use -UseRealProfile for your real logins/cookies)" -ForegroundColor DarkGray
}

# Launch Chrome
$chromeArgs = @(
    "--remote-debugging-port=$Port",
    "--user-data-dir=`"$userDataDir`"",
    "--no-first-run",
    "--no-default-browser-check",
    $Url
)

Write-Host ""
Write-Host "╔══════════════════════════════════════════════════╗" -ForegroundColor Cyan
Write-Host "║     Chrome — Remote Debugging Enabled             ║" -ForegroundColor Cyan
Write-Host "╚══════════════════════════════════════════════════╝" -ForegroundColor Cyan
Write-Host ""
Write-Host "  Port:     $Port" -ForegroundColor White
Write-Host "  Profile:  $userDataDir" -ForegroundColor White
Write-Host "  CDP URL:  http://localhost:$Port" -ForegroundColor Green
Write-Host ""

Start-Process -FilePath $chromePath -ArgumentList $chromeArgs

# Wait for CDP to be ready
Write-Host "Waiting for CDP endpoint..." -NoNewline
$ready = $false
for ($i = 0; $i -lt 30; $i++) {
    Start-Sleep -Milliseconds 500
    try {
        $response = Invoke-RestMethod -Uri "http://localhost:$Port/json/version" -ErrorAction Stop
        $ready = $true
        break
    } catch {
        Write-Host "." -NoNewline -ForegroundColor DarkGray
    }
}

if ($ready) {
    Write-Host " Ready!" -ForegroundColor Green
    Write-Host ""
    Write-Host "Chrome is running with CDP on port $Port" -ForegroundColor Green
    Write-Host "Now run the capture tool:" -ForegroundColor Cyan
    Write-Host "  cd tools\scripts\cdp-capture" -ForegroundColor White
    Write-Host "  node capture.js" -ForegroundColor White
    Write-Host ""
    Write-Host "Or with options:" -ForegroundColor Cyan
    Write-Host "  node capture.js --screenshot --dom --tab=-1" -ForegroundColor White
    Write-Host ""
} else {
    Write-Host " Timeout!" -ForegroundColor Red
    Write-Host "Chrome may not have started correctly." -ForegroundColor Red
}