#!/usr/bin/env pwsh
# Build script for PISCAL Docker image with automatic versioning

$ErrorActionPreference = "Stop"

# Load password from .piscal-build.env if it exists (gitignored)
if (Test-Path .piscal-build.env) {
    Get-Content .piscal-build.env | ForEach-Object {
        if ($_ -match '^\s*([^#][^=]+)=(.*)$') {
            [Environment]::SetEnvironmentVariable($matches[1].Trim(), $matches[2].Trim(), 'Process')
        }
    }
}

# Generate version tag: YYYYMMDD-gitsha
$DateTag = Get-Date -Format "yyyyMMdd"
$GitSha = (git rev-parse --short HEAD).Trim()
$Version = "$DateTag-$GitSha"

Write-Host "Building PISCAL Docker image..." -ForegroundColor Cyan
Write-Host "Version: $Version" -ForegroundColor Cyan
Write-Host ""

# Build args: use PISCAL_SSH_PASSWORD if set (from env or .piscal-build.env)
$BuildArgs = @("-t", "piscal:$Version", "-t", "piscal:latest", "-t", "piscal:dev")
if ($env:PISCAL_SSH_PASSWORD) {
    $BuildArgs += "--build-arg", "SSH_PASSWORD=$($env:PISCAL_SSH_PASSWORD)"
}
if ($env:PISCAL_BUILD_NO_CACHE) {
    $BuildArgs += "--no-cache"
}
docker build @BuildArgs .

if ($LASTEXITCODE -eq 0) {
    Write-Host ""
    Write-Host "Successfully built:" -ForegroundColor Green
    Write-Host "  - piscal:$Version" -ForegroundColor Green
    Write-Host "  - piscal:latest" -ForegroundColor Green
    Write-Host "  - piscal:dev" -ForegroundColor Green
    Write-Host ""
    if ($env:PISCAL_SSH_PASSWORD) {
        Write-Host "Credentials (from PISCAL_SSH_PASSWORD / .piscal-build.env):" -ForegroundColor Cyan
        Write-Host "  Username: piscaladmin" -ForegroundColor Cyan
        Write-Host "  Password: (custom)" -ForegroundColor Cyan
    } else {
        Write-Host "Default credentials (v1 layout):" -ForegroundColor Cyan
        Write-Host "  Username: piscaladmin" -ForegroundColor Cyan
        Write-Host "  Password: piscaladmin" -ForegroundColor Cyan
    }
    Write-Host "  LeafWeb:  /home/piscaladmin/LeafWeb (scripts + project dirs)" -ForegroundColor Cyan
    Write-Host "  Storage:  /home/piscaladmin/LeafWeb_storage" -ForegroundColor Cyan
    Write-Host "  Executable: /home/piscaladmin/piscal_executable/piscal" -ForegroundColor Cyan
    Write-Host ""
    Write-Host "To run: docker run -d -p 2222:22 --name piscal-server piscal:latest" -ForegroundColor Yellow
    Write-Host "To SSH: ssh -p 2222 piscaladmin@localhost" -ForegroundColor Yellow
} else {
    Write-Host "Build failed!" -ForegroundColor Red
    exit $LASTEXITCODE
}