Set-StrictMode -Version Latest
$ErrorActionPreference = 'Stop'

.\scripts\Windows\starter.ps1
if ($LASTEXITCODE -ne 0) {
    exit $LASTEXITCODE
}

function Get-RandomHex
{
    param([int]$Bytes)
    $rng = [System.Security.Cryptography.RandomNumberGenerator]::Create()
    $buffer = New-Object byte[] $Bytes
    $rng.GetBytes($buffer)
    -join ($buffer | ForEach-Object { $_.ToString('x2') })
}

function Prompt-Default
{
    param(
        [string]$Name,
        [string]$Default
    )
    $response = Read-Host "Enter $Name [$Default]"
    if ( [string]::IsNullOrWhiteSpace($response))
    {
        return $Default
    }
    return $response
}

function Prompt-AutoGen
{
    param(
        [string]$Name,
        [int]$Bytes
    )
    $response = Read-Host "Enter $Name (leave blank to auto-generate)"
    if ( [string]::IsNullOrWhiteSpace($response))
    {
        return Get-RandomHex $Bytes
    }
    return $response
}

if (Test-Path '.env')
{
    Write-Warning ".env already exists and will be overwritten."
    Read-Host "Press Enter to continue or Ctrl+C to abort"
}

$SCHON_PROJECT_NAME = Prompt-Default 'SCHON_PROJECT_NAME'           'Schon'
$SCHON_STOREFRONT_DOMAIN = Prompt-Default 'SCHON_STOREFRONT_DOMAIN'     'schon.fureunoir.com'
$SCHON_BASE_DOMAIN = Prompt-Default 'SCHON_BASE_DOMAIN'             'schon.fureunoir.com'
$SENTRY_DSN = Prompt-Default 'SENTRY_DSN'                      ''
$DEBUG = Prompt-Default 'DEBUG'                                '1'
$TIME_ZONE = Prompt-Default 'TIME_ZONE'                        'Europe/London'

$SECRET_KEY = Prompt-AutoGen  'SECRET_KEY'                     32
$JWT_SIGNING_KEY = Prompt-AutoGen  'JWT_SIGNING_KEY'           64

$ALLOWED_HOSTS = Prompt-Default 'ALLOWED_HOSTS'                'schon.fureunoir.com api.schon.fureunoir.com'
$CSRF_TRUSTED_ORIGINS = Prompt-Default 'CSRF_TRUSTED_ORIGINS'  'https://schon.fureunoir.com https://api.schon.fureunoir.com https://www.schon.fureunoir.com'
$CORS_ALLOWED_ORIGINS = Prompt-Default 'CORS_ALLOWED_ORIGINS'  $CSRF_TRUSTED_ORIGINS

$POSTGRES_DB = Prompt-Default 'POSTGRES_DB'                    'schon'
$POSTGRES_USER = Prompt-Default 'POSTGRES_USER'                'schon_user'
$POSTGRES_PASSWORD = Prompt-AutoGen  'POSTGRES_PASSWORD'       16

$DBBACKUP_TYPE = Prompt-Default 'DBBACKUP_TYPE'                'Your backup connection type'
$DBBACKUP_HOST = Prompt-Default 'DBBACKUP_HOST'                'Your SFTP backup host'
$DBBACKUP_USER = Prompt-Default 'DBBACKUP_USER'                'The username to use to log in to that host'
$DBBACKUP_PASS = Prompt-Default 'DBBACKUP_PASS'                'The password to use to log in to that host'

$ELASTIC_PASSWORD = Prompt-AutoGen  'ELASTIC_PASSWORD'         16

$REDIS_PASSWORD = Prompt-AutoGen  'REDIS_PASSWORD'             16

$PROMETHEUS_USER = Prompt-Default 'PROMETHEUS_USER'            'schon'
$PROMETHEUS_PASSWORD = Prompt-AutoGen  'PROMETHEUS_PASSWORD'   16

$EMAIL_BACKEND = Prompt-Default 'EMAIL_BACKEND'                'django.core.mail.backends.smtp.EmailBackend'
$EMAIL_HOST = Prompt-Default 'EMAIL_HOST'                      'smtp.whatever.schon.fureunoir.com'
$EMAIL_PORT = Prompt-Default 'EMAIL_PORT'                      '465'
$EMAIL_USE_TLS = Prompt-Default 'EMAIL_USE_TLS'                '0'
$EMAIL_USE_SSL = Prompt-Default 'EMAIL_USE_SSL'                '1'
$EMAIL_HOST_USER = Prompt-Default 'EMAIL_HOST_USER'            'your-email-user@whatever.schon.fureunoir.com'
$EMAIL_FROM = Prompt-Default 'EMAIL_FROM'                      $EMAIL_HOST_USER
$EMAIL_HOST_PASSWORD = Prompt-Default 'EMAIL_HOST_PASSWORD'    'SUPERSECRETEMAILHOSTPASSWORD'

$COMPANY_NAME = Prompt-Default 'COMPANY_NAME'                  'Schon, Inc.'
$COMPANY_PHONE_NUMBER = Prompt-Default 'COMPANY_PHONE_NUMBER'  '+888888888888'
$COMPANY_ADDRESS = Prompt-Default 'COMPANY_ADDRESS'            'The place that does not exist'

$OPENAI_API_KEY = Prompt-Default 'OPENAI_API_KEY'              'Haha, really?'
$ABSTRACT_API_KEY = Prompt-Default 'ABSTRACT_API_KEY'          'Haha, really? x2'
$DEEPL_AUTH_KEY = Prompt-Default 'DEEPL_AUTH_KEY'              'Haha, really? x3'

$lines = @(
    "SCHON_PROJECT_NAME=""$SCHON_PROJECT_NAME"""
    "SCHON_STOREFRONT_DOMAIN=""$SCHON_STOREFRONT_DOMAIN"""
    "SCHON_BASE_DOMAIN=""$SCHON_BASE_DOMAIN"""
    "SENTRY_DSN=""$SENTRY_DSN"""
    "DEBUG=$DEBUG"
    ""
    "SECRET_KEY=""$SECRET_KEY"""
    "JWT_SIGNING_KEY=""$JWT_SIGNING_KEY"""
    ""
    "ALLOWED_HOSTS=""$ALLOWED_HOSTS"""
    "CSRF_TRUSTED_ORIGINS=""$CSRF_TRUSTED_ORIGINS"""
    "CORS_ALLOWED_ORIGINS=""$CORS_ALLOWED_ORIGINS"""
    ""
    "POSTGRES_DB=""$POSTGRES_DB"""
    "POSTGRES_USER=""$POSTGRES_USER"""
    "POSTGRES_PASSWORD=""$POSTGRES_PASSWORD"""
    ""
    "DBBACKUP_TYPE=""$DBBACKUP_TYPE"""
    "DBBACKUP_HOST=""$DBBACKUP_HOST"""
    "DBBACKUP_USER=""$DBBACKUP_USER"""
    "DBBACKUP_PASS=""$DBBACKUP_PASS"""
    ""
    "ELASTIC_PASSWORD=""$ELASTIC_PASSWORD"""
    ""
    "REDIS_PASSWORD=""$REDIS_PASSWORD"""
    'CELERY_BROKER_URL="redis://:' + $REDIS_PASSWORD + '@redis:6379/0"'
    'CELERY_RESULT_BACKEND="redis://:' + $REDIS_PASSWORD + '@redis:6379/0"'
    ""
    "PROMETHEUS_USER=""$PROMETHEUS_USER"""
    "PROMETHEUS_PASSWORD=""$PROMETHEUS_PASSWORD"""
    ""
    "EMAIL_BACKEND=""$EMAIL_BACKEND"""
    "EMAIL_HOST=""$EMAIL_HOST"""
    "EMAIL_PORT=""$EMAIL_PORT"""
    "EMAIL_USE_TLS=$EMAIL_USE_TLS"
    "EMAIL_USE_SSL=$EMAIL_USE_SSL"
    "EMAIL_HOST_USER=""$EMAIL_HOST_USER"""
    "EMAIL_HOST_PASSWORD=""$EMAIL_HOST_PASSWORD"""
    "EMAIL_FROM=""$EMAIL_FROM"""
    ""
    "COMPANY_NAME=""$COMPANY_NAME"""
    "COMPANY_PHONE_NUMBER=""$COMPANY_PHONE_NUMBER"""
    "COMPANY_ADDRESS=""$COMPANY_ADDRESS"""
    ""
    "OPENAI_API_KEY=""$OPENAI_API_KEY"""
    ""
    "ABSTRACT_API_KEY=""$ABSTRACT_API_KEY"""
    ""
    "DEEPL_AUTH_KEY=""$DEEPL_AUTH_KEY"""
)

$lines | Out-File -FilePath '.env' -Encoding utf8
Write-Host ".env file generated with fresh values." -ForegroundColor Green