#!/usr/bin/env powershell
# Environment Configuration Helper Script
# This script helps you switch between development and production API endpoints

param(
  [Parameter(Mandatory = $false)]
  [ValidateSet("dev", "development", "prod", "production", "local")]
  [string]$Environment = "dev",
    
  [switch]$Show
)

$EnvFile = ".env"
$EnvExampleFile = ".env.example"

function Show-CurrentConfig {
  Write-Host "Current Environment Configuration:" -ForegroundColor Green
  Write-Host "=================================" -ForegroundColor Green
    
  if (Test-Path $EnvFile) {
    $content = Get-Content $EnvFile
    foreach ($line in $content) {
      if ($line -match "VITE_API_BASE_URL=(.+)") {
        Write-Host "API Base URL: " -NoNewline -ForegroundColor Yellow
        Write-Host $matches[1] -ForegroundColor White
      }
      if ($line -match "NODE_ENV=(.+)") {
        Write-Host "Node Environment: " -NoNewline -ForegroundColor Yellow
        Write-Host $matches[1] -ForegroundColor White
      }
    }
  }
  else {
    Write-Host "No .env file found. Using default configuration." -ForegroundColor Red
    Write-Host "API Base URL: " -NoNewline -ForegroundColor Yellow
    Write-Host "http://localhost:8000 (development default)" -ForegroundColor White
  }
  Write-Host ""
}

function Set-Environment {
  param([string]$Env)
    
  $apiUrl = ""
  $nodeEnv = ""
    
  switch ($Env.ToLower()) {
    { $_ -in @("dev", "development", "local") } {
      $apiUrl = "http://localhost:8000"
      $nodeEnv = "development"
      Write-Host "Configuring for DEVELOPMENT environment..." -ForegroundColor Green
    }
    { $_ -in @("prod", "production") } {
      $apiUrl = "https://api.pennyzo.com/api/v1/general"
      $nodeEnv = "production"
      Write-Host "Configuring for PRODUCTION environment..." -ForegroundColor Green
    }
    default {
      Write-Host "Unknown environment: $Env" -ForegroundColor Red
      return
    }
  }
    
  # Create .env content
  $debugValue = if ($nodeEnv -eq "development") { "true" } else { "false" }
  $logLevel = if ($nodeEnv -eq "development") { "INFO" } else { "WARN" }
    
  $envContent = @"
# Environment Configuration - Auto-generated
# Generated on: $(Get-Date -Format "yyyy-MM-dd HH:mm:ss")

# API Base URL
VITE_API_BASE_URL=$apiUrl

# Environment
NODE_ENV=$nodeEnv

# Debug settings
DEBUG=$debugValue
LOG_LEVEL=$logLevel

# API Status Checker Credentials (optional)
# PENNYZO_TEST_EMAIL=your-test-email@example.com
# PENNYZO_TEST_PASSWORD=your-test-password
"@

  # Write to .env file
  $envContent | Out-File -FilePath $EnvFile -Encoding UTF8
    
  Write-Host "Environment configured successfully!" -ForegroundColor Green
  Write-Host "API Base URL set to: " -NoNewline -ForegroundColor Yellow
  Write-Host $apiUrl -ForegroundColor White
  Write-Host ""
}

# Main execution
if ($Show) {
  Show-CurrentConfig
}
else {
  Set-Environment -Env $Environment
  Show-CurrentConfig
    
  Write-Host "Usage Examples:" -ForegroundColor Cyan
  Write-Host "  .\scripts\set-env.ps1 dev          # Set development environment" -ForegroundColor Gray
  Write-Host "  .\scripts\set-env.ps1 prod         # Set production environment" -ForegroundColor Gray
  Write-Host "  .\scripts\set-env.ps1 -Show        # Show current configuration" -ForegroundColor Gray
  Write-Host ""
  Write-Host "Restart your development server for changes to take effect." -ForegroundColor Yellow
}