$cameraPath = 'app\src\main\kotlin\com\bodycamera\twentyfoulabs\camera\M530CameraActivity.kt'
$mainPath   = 'app\src\main\kotlin\com\bodycamera\twentyfoulabs\MainActivity.kt'

$camera = Get-Content $cameraPath -Raw
$main   = Get-Content $mainPath -Raw

# ============================================================
# M530CameraActivity.kt
# ============================================================

# 1. Agregar modo FRONT_PREVIEW
$camera = [regex]::Replace(
    $camera,
    'const val MODE_VIDEO = "video"',
    'const val MODE_VIDEO = "video"' + [Environment]::NewLine +
    '        const val MODE_FRONT_PREVIEW = "front_preview"',
    1
)

# 2. Texto superior
$camera = $camera.Replace(
    'text = if (mode == MODE_VIDEO) "VIDEO" else "FOTO"',
    'text = when (mode) {' + [Environment]::NewLine +
    '                MODE_VIDEO -> "VIDEO"' + [Environment]::NewLine +
    '                MODE_FRONT_PREVIEW -> "CAMARA FRONTAL"' + [Environment]::NewLine +
    '                else -> "FOTO"' + [Environment]::NewLine +
    '            }'
)

# 3. Ocultar botón de captura cuando sea preview frontal
$camera = $camera.Replace(
    'text = if (mode == MODE_VIDEO) "REC" else "FOTO"',
    'text = if (mode == MODE_VIDEO) "REC" else "FOTO"' + [Environment]::NewLine +
    '            visibility = if (mode == MODE_FRONT_PREVIEW) View.GONE else View.VISIBLE'
)

# 4. Texto inferior
$camera = $camera.Replace(
    'text = if (mode == MODE_VIDEO) "F5  VIDEO" else "F2  FOTO"',
    'text = when (mode) {' + [Environment]::NewLine +
    '                MODE_VIDEO -> "F5  VIDEO"' + [Environment]::NewLine +
    '                MODE_FRONT_PREVIEW -> "VISTA EN VIVO"' + [Environment]::NewLine +
    '                else -> "F2  FOTO"' + [Environment]::NewLine +
    '            }'
)

# 5. Estado inicial
$camera = [regex]::Replace(
    $camera,
    'text = if \(mode == MODE_VIDEO\) "Preparando video\.\.\." else ".*?"',
    'text = when (mode) {' + [Environment]::NewLine +
    '                MODE_VIDEO -> "Preparando video..."' + [Environment]::NewLine +
    '                MODE_FRONT_PREVIEW -> "Preparando camara frontal..."' + [Environment]::NewLine +
    '                else -> "Preparando camara..."' + [Environment]::NewLine +
    '            }',
    1
)

# 6. Evitar acciones de foto/video en preview frontal
$camera = [regex]::Replace(
    $camera,
    'if \(mode == MODE_VIDEO\) \{\s*toggleVideoRecording\(\)\s*\} else \{\s*takePhoto\(\)\s*\}',
    'when (mode) {' + [Environment]::NewLine +
    '            MODE_VIDEO -> toggleVideoRecording()' + [Environment]::NewLine +
    '            MODE_FRONT_PREVIEW -> Unit' + [Environment]::NewLine +
    '            else -> takePhoto()' + [Environment]::NewLine +
    '        }',
    1
)

# 7. Usar cámara frontal solo en FRONT_PREVIEW
$camera = [regex]::Replace(
    $camera,
    '(\s*provider\.unbindAll\(\)\s*)if \(mode == MODE_VIDEO\) \{',
    '$1if (mode == MODE_FRONT_PREVIEW) {' + [Environment]::NewLine +
    '                    imageCapture = null' + [Environment]::NewLine +
    '                    videoCapture = null' + [Environment]::NewLine +
    '' + [Environment]::NewLine +
    '                    provider.bindToLifecycle(' + [Environment]::NewLine +
    '                        this,' + [Environment]::NewLine +
    '                        CameraSelector.DEFAULT_FRONT_CAMERA,' + [Environment]::NewLine +
    '                        preview' + [Environment]::NewLine +
    '                    )' + [Environment]::NewLine +
    '' + [Environment]::NewLine +
    '                    stateText.text = "Camara frontal lista"' + [Environment]::NewLine +
    '                    captureButton.isEnabled = false' + [Environment]::NewLine +
    '                } else if (mode == MODE_VIDEO) {',
    1
)

# ============================================================
# MainActivity.kt
# ============================================================

# 8. Variable para abrir la cámara frontal una sola vez por inicio
$main = $main.Replace(
    '@Volatile private var isAuthenticated = false',
    '@Volatile private var isAuthenticated = false' + [Environment]::NewLine +
    '    private var frontPreviewOpened = false'
)

# 9. Al detectar sesión válida, abrir preview frontal
$main = [regex]::Replace(
    $main,
    'authSessionStore\.token\.collect \{ token -> isAuthenticated = !token\.isNullOrBlank\(\) \}',
    'authSessionStore.token.collect { token ->' + [Environment]::NewLine +
    '                isAuthenticated = !token.isNullOrBlank()' + [Environment]::NewLine +
    '' + [Environment]::NewLine +
    '                if (isAuthenticated && !frontPreviewOpened) {' + [Environment]::NewLine +
    '                    frontPreviewOpened = true' + [Environment]::NewLine +
    '                    runOnUiThread {' + [Environment]::NewLine +
    '                        openFrontPreview()' + [Environment]::NewLine +
    '                    }' + [Environment]::NewLine +
    '                }' + [Environment]::NewLine +
    '            }',
    1
)

# 10. Función para abrir la cámara frontal
$frontFunction = @'

    private fun openFrontPreview() {
        if (!isAuthenticated) return

        startActivity(
            android.content.Intent(
                this,
                com.bodycamera.twentyfoulabs.camera.M530CameraActivity::class.java
            ).putExtra(
                com.bodycamera.twentyfoulabs.camera.M530CameraActivity.EXTRA_MODE,
                com.bodycamera.twentyfoulabs.camera.M530CameraActivity.MODE_FRONT_PREVIEW
            ).addFlags(android.content.Intent.FLAG_ACTIVITY_SINGLE_TOP)
        )
    }

'@

$main = $main.Replace(
    '    private fun handlePhotoButton() {',
    $frontFunction + '    private fun handlePhotoButton() {'
)

# ============================================================
# Guardar cambios
# ============================================================

Set-Content -Path $cameraPath -Value $camera -Encoding UTF8
Set-Content -Path $mainPath -Value $main -Encoding UTF8

Write-Host ''
Write-Host '=========================================='
Write-Host 'FRONT PREVIEW V2 APLICADO'
Write-Host '=========================================='
Write-Host 'MODE_FRONT_PREVIEW agregado'
Write-Host 'Camara frontal configurada'
Write-Host 'F2 y F5 mantienen camara trasera'
Write-Host ''