# Instalador/configurador do Trivio PDV+ via API direta (sem UI Automation).
# Servido via "irm https://mesh.grupobona.com.br | iex" - roda 100% em memoria,
# nenhum arquivo .ps1/.cmd/.bat fica na maquina. Este script NAO tem nenhuma
# credencial: a assinatura Hubee (HMAC) e calculada no proprio servidor
# (mesh.grupobona.com.br/merchants/{cnpj}, ver trivio-signer-server.js), que
# repassa a chamada assinada pra api.triv.io e devolve so o resultado.

[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12

$script:SignerBaseUrl = 'https://mesh.grupobona.com.br'
$script:InstallerUrl = 'https://trivio-arquivos.s3.amazonaws.com/pdvreader/Instalador%20PDV%2B.exe'
$script:InstallDir = 'C:\TrivioCRM\PDV+'

function Test-Cnpj {
    param([string]$Value)
    $digits = ($Value -replace '\D', '')
    if ($digits.Length -ne 14) { return $false }
    if ($digits -match '^(\d)\1{13}$') { return $false }

    $calc = {
        param($nums, $weights)
        $sum = 0
        for ($i = 0; $i -lt $nums.Length; $i++) { $sum += [int]::Parse($nums[$i]) * $weights[$i] }
        $rest = $sum % 11
        if ($rest -lt 2) { return 0 } else { return 11 - $rest }
    }

    $d1 = & $calc $digits[0..11] @(5, 4, 3, 2, 9, 8, 7, 6, 5, 4, 3, 2)
    $d2 = & $calc $digits[0..12] @(6, 5, 4, 3, 2, 9, 8, 7, 6, 5, 4, 3, 2)
    return ($digits[12] -eq [string]$d1) -and ($digits[13] -eq [string]$d2)
}

# A assinatura Hubee acontece no servidor (mesh.grupobona.com.br/merchants/{cnpj}
# -> trivio-signer-server.js -> api.triv.io). Este script so fala com o nosso
# proprio dominio, nunca tem o ClientSecret em maos.
function Get-TrivioMerchant {
    param([string]$CnpjDigits)
    $fullUrl = "$script:SignerBaseUrl/merchants/$CnpjDigits"
    try {
        return Invoke-RestMethod -Uri $fullUrl -Method Get -ErrorAction Stop
    }
    catch {
        $resp = $_.Exception.Response
        if ($resp -and [int]$resp.StatusCode -eq 404) { return $null }
        throw
    }
}

function Get-ErpOrdinal {
    param([string]$NameErp)
    $key = ''
    if ($NameErp) { $key = $NameErp.Trim().ToLowerInvariant() }
    switch ($key) {
        'sistemabig' { return 0 }
        'alpha7' { return 1 }
        'pontosys' { return 2 }
        'automatiza' { return 3 }
        'softpharma' { return 4 }
        'vetor' { return 5 }
        default { return 0 }
    }
}

function Stop-TrivioProcess {
    Get-Process -Name 'TrivioPDV+' -ErrorAction SilentlyContinue | Stop-Process -Force -ErrorAction SilentlyContinue
    $deadline = (Get-Date).AddSeconds(10)
    while ((Get-Date) -lt $deadline) {
        if (-not (Get-Process -Name 'TrivioPDV+' -ErrorAction SilentlyContinue)) { break }
        Start-Sleep -Milliseconds 200
    }
    Start-Sleep -Seconds 2
}

function Install-TrivioExe {
    $exePath = Join-Path $script:InstallDir 'TrivioPDV+.exe'
    if (Test-Path $exePath) { return $exePath }

    $installerPath = Join-Path $env:TEMP 'InstaladorPDV+.exe'
    Write-Host 'Baixando instalador oficial...' -ForegroundColor Cyan
    Invoke-WebRequest -Uri $script:InstallerUrl -OutFile $installerPath -UseBasicParsing

    Write-Host 'Instalando (silencioso)...' -ForegroundColor Cyan
    $proc = Start-Process -FilePath $installerPath -ArgumentList '/VERYSILENT', '/SUPPRESSMSGBOXES', '/NORESTART', '/SP-' -PassThru -Wait
    if ($proc.ExitCode -ne 0) { throw "Instalador retornou codigo $($proc.ExitCode)." }
    if (-not (Test-Path $exePath)) { throw "Instalacao concluida mas '$exePath' nao foi encontrado." }

    # O instalador (secao [Run] do Inno Setup) abre o app sozinho ao terminar;
    # encerra pra controlarmos o fluxo a partir daqui.
    Start-Sleep -Seconds 2
    Stop-TrivioProcess
    Remove-Item $installerPath -Force -ErrorAction SilentlyContinue
    return $exePath
}

function Set-TrivioConfig {
    param($Merchant, [string]$CnpjDigits)

    New-Item -ItemType Directory -Force -Path $script:InstallDir | Out-Null

    # Mesmos nomes de propriedade de trivio_PdvReader_App.Core.Shared.ValueObjects.Merchant
    $merchantOut = [ordered]@{
        LegalName       = $Merchant.legalName
        CompanyName     = $Merchant.companyName
        Alias           = $Merchant.alias
        Cnpj            = $Merchant.cnpj
        Address         = $Merchant.address
        Number          = $Merchant.number
        Neighborhood    = $Merchant.neighborhood
        City            = $Merchant.city
        Uf              = $Merchant.uf
        EconomicGroupId = $Merchant.economicGroupId
        MerchantId      = $Merchant.merchantId
        NameErp         = $Merchant.nameErp
        TimeZone        = $Merchant.timeZone
    }
    ($merchantOut | ConvertTo-Json) | Set-Content -Path (Join-Path $script:InstallDir 'MerchantConfig.json') -Encoding UTF8

    # So os campos que afetam o boot (ver FormConfig.btnSave_Click); o resto
    # fica nos defaults de ConfigValueObject e pode ser revisto depois no
    # proprio menu "Configuracoes" do PDV+.
    $configOut = [ordered]@{
        Cnpj = $CnpjDigits
        Erp  = Get-ErpOrdinal -NameErp $Merchant.nameErp
    }
    ($configOut | ConvertTo-Json) | Set-Content -Path (Join-Path $script:InstallDir 'PdvReaderConfig.json') -Encoding UTF8
}

function Invoke-TrivioInstallAndConfigure {
    param([string]$CnpjDigits)

    Write-Host 'Consultando CNPJ na API da Trivio...' -ForegroundColor Cyan
    $merchant = $null
    try { $merchant = Get-TrivioMerchant -CnpjDigits $CnpjDigits }
    catch { Write-Host "Erro ao consultar a API da Trivio: $($_.Exception.Message)" -ForegroundColor Red; return }
    if (-not $merchant) { Write-Host 'CNPJ nao cadastrado na Trivio. Entre em contato com o suporte.' -ForegroundColor Red; return }

    $exePath = $null
    try { $exePath = Install-TrivioExe }
    catch { Write-Host "Erro ao instalar o PDV+: $($_.Exception.Message)" -ForegroundColor Red; return }

    Stop-TrivioProcess
    Set-TrivioConfig -Merchant $merchant -CnpjDigits $CnpjDigits

    Write-Host 'PDV+ configurado com sucesso (sem automacao de UI).' -ForegroundColor Green
    Write-Host "  Loja:             $($merchant.companyName)"
    Write-Host "  Razao social:     $($merchant.legalName)"
    Write-Host "  MerchantId:       $($merchant.merchantId)"
    Write-Host "  EconomicGroupId:  $($merchant.economicGroupId)"
    Write-Host "  ERP integrado:    $($merchant.nameErp)"

    Write-Host 'Iniciando TrivioPDV+.exe...' -ForegroundColor Cyan
    Start-Process -FilePath $exePath -WorkingDirectory (Split-Path $exePath)
}

function Invoke-TrivioLookup {
    param([string]$CnpjDigits)
    try {
        $merchant = Get-TrivioMerchant -CnpjDigits $CnpjDigits
    }
    catch { Write-Host "Erro ao consultar a API da Trivio: $($_.Exception.Message)" -ForegroundColor Red; return }
    if (-not $merchant) { Write-Host 'CNPJ nao encontrado na Trivio.' -ForegroundColor Red; return }
    Write-Host "Loja:             $($merchant.companyName)"
    Write-Host "Razao social:     $($merchant.legalName)"
    Write-Host "MerchantId:       $($merchant.merchantId)"
    Write-Host "EconomicGroupId:  $($merchant.economicGroupId)"
    Write-Host "ERP integrado:    $($merchant.nameErp)"
}

function Invoke-TrivioUninstall {
    Stop-TrivioProcess
    $uninstaller = Join-Path $script:InstallDir 'unins000.exe'
    if (Test-Path $uninstaller) {
        Write-Host 'Rodando desinstalador oficial...' -ForegroundColor Cyan
        Start-Process -FilePath $uninstaller -ArgumentList '/VERYSILENT', '/SUPPRESSMSGBOXES', '/NORESTART', '/SP-' -Wait
    }
    if (Test-Path $script:InstallDir) { Remove-Item $script:InstallDir -Recurse -Force -ErrorAction SilentlyContinue }
    $identityDir = Join-Path $env:ProgramData 'Trivio'
    if (Test-Path $identityDir) { Remove-Item $identityDir -Recurse -Force -ErrorAction SilentlyContinue }
    try { Unregister-ScheduledTask -TaskName 'TrivioPDV+' -Confirm:$false -ErrorAction Stop } catch {}
    try { sc.exe delete TrivioPdvPlusStarter | Out-Null } catch {}
    Write-Host 'Limpeza concluida (alguns itens podem exigir execucao como Administrador).' -ForegroundColor Yellow
}

function Read-CnpjFromUser {
    while ($true) {
        $value = Read-Host 'CNPJ (com ou sem pontuacao)'
        if (Test-Cnpj $value) { return ($value -replace '\D', '') }
        Write-Host 'CNPJ invalido (digitos verificadores nao conferem).' -ForegroundColor Red
    }
}

function Show-TrivioMenu {
    Write-Host ''
    Write-Host '======================================' -ForegroundColor Cyan
    Write-Host '   Trivio PDV+  -  instalador direto' -ForegroundColor Cyan
    Write-Host '======================================' -ForegroundColor Cyan
    Write-Host ' 1) Instalar / configurar (CNPJ)'
    Write-Host ' 2) Consultar CNPJ (somente leitura)'
    Write-Host ' 3) Desinstalar tudo'
    Write-Host ' 0) Sair'
    Write-Host '======================================' -ForegroundColor Cyan
}

while ($true) {
    Show-TrivioMenu
    $opt = Read-Host 'Escolha uma opcao'
    switch ($opt) {
        '1' { Invoke-TrivioInstallAndConfigure -CnpjDigits (Read-CnpjFromUser) }
        '2' { Invoke-TrivioLookup -CnpjDigits (Read-CnpjFromUser) }
        '3' { Invoke-TrivioUninstall }
        '0' { return }
        default { Write-Host 'Opcao invalida.' -ForegroundColor Yellow }
    }
}