deploy-angular.ps1

# Deploy Angular Project Script
# Author: @dalthonmh
# Last update: 2026-01-11
# Allow execution: Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser
# Run in PowerShell as administrator: .\deploy.ps1


Write-Host "========== Starting Angular Deployment ==========" -ForegroundColor Cyan

# CONFIGURATION VARIABLES
$PROJECT_NAME = "academico"
$PROJECT_PATH = "D:\app\academico"
$DEPLOY_PATH = "D:\www"
$NODE_VERSION = "24"
$BUILD_OUTPUT_DIR = "$DEPLOY_PATH\${PROJECT_NAME}-temp"
$ACTIVE_DIR = "$DEPLOY_PATH\$PROJECT_NAME"
$BACKUP_DIR = "$DEPLOY_PATH\${PROJECT_NAME}-old"
$LOG_FILE = "$DEPLOY_PATH\${PROJECT_NAME}.log"

# Change to project directory
Write-Host "Changing to project directory..." -ForegroundColor Yellow
if (-Not (Test-Path $PROJECT_PATH)) {
    Write-Host "ERROR: Could not access $PROJECT_PATH" -ForegroundColor Red
    exit 1
}
Set-Location $PROJECT_PATH

Write-Host "Synchronizing repository with Git..." -ForegroundColor Yellow

# Configure Git not to use persistent credentials on Windows Server
git config --global credential.helper manager-core

# Capture current commit hash (before pull)
$PREV_HASH = (git rev-parse HEAD 2>$null)
if (-Not $PREV_HASH) { $PREV_HASH = "(sin commits previos)" }
Write-Host "Current commit hash: $PREV_HASH" -ForegroundColor DarkGray

# Ensure we are on the main branch
git checkout main
if ($LASTEXITCODE -ne 0) {
    Write-Host "ERROR: Could not switch to main branch" -ForegroundColor Red
    exit 1
}

# Pull latest changes
git pull origin main
if ($LASTEXITCODE -ne 0) {
    Write-Host "ERROR: git pull failed. Check your connection or credentials." -ForegroundColor Red
    exit 1
}

# Capture new commit hash (after pull)
$NEW_HASH = (git rev-parse HEAD)
Write-Host "New commit hash: $NEW_HASH" -ForegroundColor DarkGray

# Change Node.js version
Write-Host "Configuring Node.js version $NODE_VERSION..." -ForegroundColor Yellow
nvm use $NODE_VERSION
if ($LASTEXITCODE -ne 0) {
    Write-Host "ERROR: Could not switch to Node $NODE_VERSION" -ForegroundColor Red
    exit 1
}

# Install dependencies
Write-Host "Installing dependencies with Yarn..." -ForegroundColor Yellow
yarn install
if ($LASTEXITCODE -ne 0) {
    Write-Host "ERROR: yarn install failed" -ForegroundColor Red
    exit 1
}

# Build Angular in temporary folder
Write-Host "Building Angular project..." -ForegroundColor Yellow
ng build --configuration production --output-path="$BUILD_OUTPUT_DIR"
if ($LASTEXITCODE -ne 0) {
    Write-Host "ERROR: Angular build failed" -ForegroundColor Red
    exit 1
}

# Backup active version if it exists
if (Test-Path $ACTIVE_DIR) {
    Write-Host "Backing up current version..." -ForegroundColor Yellow
    if (Test-Path $BACKUP_DIR) {
        Remove-Item -Path $BACKUP_DIR -Recurse -Force
    }
    Move-Item -Path $ACTIVE_DIR -Destination $BACKUP_DIR -Force
    if ($LASTEXITCODE -ne 0) {
        Write-Host "ERROR: Could not backup current version" -ForegroundColor Red
        exit 1
    }
}

# Move new version to active directory
Write-Host "Activating new version..." -ForegroundColor Yellow
Move-Item -Path $BUILD_OUTPUT_DIR -Destination $ACTIVE_DIR -Force
if ($LASTEXITCODE -ne 0) {
    Write-Host "ERROR: Could not activate new version" -ForegroundColor Red
    # Restore backup if failed
    if (Test-Path $BACKUP_DIR) {
        Write-Host "Restoring previous version..." -ForegroundColor Yellow
        Move-Item -Path $BACKUP_DIR -Destination $ACTIVE_DIR -Force
    }
    exit 1
}

# Remove old backup
if (Test-Path $BACKUP_DIR) {
    Write-Host "Removing old backup..." -ForegroundColor Yellow
    Remove-Item -Path $BACKUP_DIR -Recurse -Force
}

# ===== Write deploy log =====
$DEPLOY_DATE = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
$LOG_ENTRY = @"
==================================================
Deploy Date   : $DEPLOY_DATE
Previous Hash : $PREV_HASH
New Hash      : $NEW_HASH
Branch        : main
Project       : $PROJECT_NAME
Deploy Path   : $ACTIVE_DIR
==================================================
"@

# Append to log file (create if it doesn't exist)
Add-Content -Path $LOG_FILE -Value $LOG_ENTRY -Encoding UTF8
Write-Host "Deploy log saved to: $LOG_FILE" -ForegroundColor DarkGray

Write-Host "========== Deployment completed successfully ==========" -ForegroundColor Green
Write-Host "Project deployed at: $ACTIVE_DIR" -ForegroundColor Green