# ShopDB Docker Deployment Script for Hyper-V VM
# Run this ON THE VM after copying the repo

param(
    [string]$SiteName = "shopdb-vm",
    [string]$AdminPassword = "ChangeMe123!",
    [switch]$Help
)

if ($Help) {
    Write-Host @"
ShopDB Docker Deployment Script

Usage:
    .\deploy-to-vm.ps1 [-SiteName <name>] [-AdminPassword <password>]

Parameters:
    -SiteName       Site identifier (default: shopdb-vm)
    -AdminPassword  Initial admin password (default: ChangeMe123!)
    -Help           Show this help

Example:
    .\deploy-to-vm.ps1 -SiteName "west-jefferson" -AdminPassword "SecurePass123!"

Prerequisites:
    - Docker Desktop installed and running
    - Git Bash or WSL available
"@
    exit 0
}

$ErrorActionPreference = "Stop"

Write-Host "========================================" -ForegroundColor Cyan
Write-Host "ShopDB Docker Deployment" -ForegroundColor Cyan
Write-Host "========================================" -ForegroundColor Cyan
Write-Host ""

# Check Docker is running
Write-Host "[1/8] Checking Docker Desktop..." -ForegroundColor Yellow
try {
    docker ps | Out-Null
    Write-Host "  OK: Docker is running" -ForegroundColor Green
} catch {
    Write-Host "  ERROR: Docker Desktop is not running" -ForegroundColor Red
    Write-Host "  Please start Docker Desktop and try again" -ForegroundColor Red
    exit 1
}

# Check if we're in the repo
Write-Host "[2/8] Checking repository..." -ForegroundColor Yellow
if (-not (Test-Path "docker-compose.prebuilt.yml")) {
    Write-Host "  ERROR: Not in shopdb-flask directory" -ForegroundColor Red
    Write-Host "  Please cd to the repository root" -ForegroundColor Red
    exit 1
}
Write-Host "  OK: In repository root" -ForegroundColor Green

# Create .env if it doesn't exist
Write-Host "[3/8] Configuring environment..." -ForegroundColor Yellow
if (-not (Test-Path ".env")) {
    Copy-Item ".env.docker-dev" ".env"
    Write-Host "  Created .env from template" -ForegroundColor Green

    # Update site name
    (Get-Content ".env") -replace 'SHOPDB_SITE=shopdb-dev', "SHOPDB_SITE=$SiteName" | Set-Content ".env"
    (Get-Content ".env") -replace 'SHOPDB_ENV_LABEL=DOCKER-DEV', "SHOPDB_ENV_LABEL=$SiteName" | Set-Content ".env"
    Write-Host "  Configured for site: $SiteName" -ForegroundColor Green
} else {
    Write-Host "  OK: .env already exists" -ForegroundColor Green
}

# Build frontend if needed
Write-Host "[4/8] Checking frontend build..." -ForegroundColor Yellow
if (-not (Test-Path "frontend/dist/index.html")) {
    Write-Host "  Building frontend (this may take 2-3 minutes)..." -ForegroundColor Yellow
    Set-Location frontend
    npm ci
    npm run build
    Set-Location ..
    Write-Host "  OK: Frontend built" -ForegroundColor Green
} else {
    Write-Host "  OK: Frontend already built" -ForegroundColor Green
}

# Build Docker images
Write-Host "[5/8] Building Docker images..." -ForegroundColor Yellow
Write-Host "  This will take 2-3 minutes (using offline packages)..." -ForegroundColor Yellow
docker compose -f docker-compose.prebuilt.yml -f docker-compose.backup.yml build
Write-Host "  OK: Images built" -ForegroundColor Green

# Start services
Write-Host "[6/8] Starting services..." -ForegroundColor Yellow
docker compose -f docker-compose.prebuilt.yml -f docker-compose.backup.yml --profile backup up -d
Start-Sleep -Seconds 10
Write-Host "  OK: Services started" -ForegroundColor Green

# Run migrations
Write-Host "[7/8] Initializing database..." -ForegroundColor Yellow
docker exec flask-shopdb-api-1 flask db upgrade
Write-Host "  OK: Database initialized" -ForegroundColor Green

# Set admin password
Write-Host "[8/8] Setting admin password..." -ForegroundColor Yellow
$passwordHash = docker exec flask-shopdb-api-1 python -c "from werkzeug.security import generate_password_hash; print(generate_password_hash('$AdminPassword'))"
$dbPassword = (Get-Content ".env" | Select-String "MYSQL_ROOT_PASSWORD=(.+)" | ForEach-Object { $_.Matches.Groups[1].Value })

docker exec flask-shopdb-db-1 mysql -uroot -p$dbPassword shopdb_flask -e @"
UPDATE users SET
  passwordhash = '$passwordHash',
  failedlogins = 0,
  lockeduntil = NULL
WHERE username = 'admin';
"@
Write-Host "  OK: Admin password set" -ForegroundColor Green

Write-Host ""
Write-Host "========================================" -ForegroundColor Green
Write-Host "Deployment Complete!" -ForegroundColor Green
Write-Host "========================================" -ForegroundColor Green
Write-Host ""
Write-Host "Access ShopDB at: https://localhost:5001" -ForegroundColor Cyan
Write-Host ""
Write-Host "Login credentials:" -ForegroundColor Yellow
Write-Host "  Username: admin" -ForegroundColor White
Write-Host "  Password: $AdminPassword" -ForegroundColor White
Write-Host ""
Write-Host "Services running:" -ForegroundColor Yellow
docker ps --format "table {{.Names}}\t{{.Status}}"
Write-Host ""
Write-Host "To view logs:" -ForegroundColor Yellow
Write-Host "  docker logs -f flask-shopdb-api-1" -ForegroundColor White
Write-Host ""
Write-Host "To stop:" -ForegroundColor Yellow
Write-Host "  docker compose -f docker-compose.prebuilt.yml -f docker-compose.backup.yml down" -ForegroundColor White
Write-Host ""