install.ps1

# ==============================================================================
# DevMemory AI v1.1.0 — Automated one-click Installer (Windows PowerShell)
# ==============================================================================

$ErrorActionPreference = "Stop"

function Update-SessionPath {
    $userPath = [System.Environment]::GetEnvironmentVariable("Path", "User")
    $machinePath = [System.Environment]::GetEnvironmentVariable("Path", "Machine")
    $env:Path = "$userPath;$machinePath"

    # Add standard Windows installation paths if missing from session
    $standardPaths = @(
        "$HOME\.bun\bin",
        "$env:ProgramFiles\Git\cmd",
        "$env:ProgramFiles\Git\bin",
        "$env:LocalAppData\Programs\Git\cmd",
        "$env:LocalAppData\Programs\Ollama",
        "$env:ProgramFiles\Ollama"
    )
    foreach ($p in $standardPaths) {
        if ((Test-Path $p) -and (-not ($env:Path -split ';' -contains $p))) {
            $env:Path += ";$p"
        }
    }
}

# Initial PATH Sync
Update-SessionPath

Write-Host ""
Write-Host "========================================================" -ForegroundColor Cyan
Write-Host "          DevMemory AI v1.1.0 Installation              " -ForegroundColor Cyan
Write-Host "   Automated Setup for Windows (Git, Bun, Ollama)       " -ForegroundColor Cyan
Write-Host "========================================================" -ForegroundColor Cyan
Write-Host ""

# 1. Detect and Install Git
if (Get-Command git -ErrorAction SilentlyContinue) {
    Write-Host "[SUCCESS] Git is already installed." -ForegroundColor Green
} else {
    Write-Host "[INFO] Git not found. Attempting automatic installation via winget..." -ForegroundColor Yellow
    if (Get-Command winget -ErrorAction SilentlyContinue) {
        try {
            winget install --id Git.Git -e --source winget --accept-source-agreements --accept-package-agreements
        } catch {
            Write-Host "[WARN] Winget install for Git completed or reported notice." -ForegroundColor Yellow
        }
        Update-SessionPath
    } else {
        Write-Host "[ERROR] Winget is not available. Please install Git manually from https://git-scm.com" -ForegroundColor Red
        exit 1
    }
}

# Verify Git binary availability
Update-SessionPath
if (-not (Get-Command git -ErrorAction SilentlyContinue)) {
    Write-Host "[ERROR] Git was installed but could not be located in shell PATH. Please restart PowerShell and re-run this script." -ForegroundColor Red
    exit 1
}

# 2. Detect and Install Bun Runtime
if (Get-Command bun -ErrorAction SilentlyContinue) {
    Write-Host "[SUCCESS] Bun runtime is already installed." -ForegroundColor Green
} else {
    Write-Host "[INFO] Bun runtime not found. Installing official Bun for Windows..." -ForegroundColor Yellow
    powershell -Command "irm bun.sh/install.ps1 | iex"
    Update-SessionPath
}

# Verify Bun binary availability
Update-SessionPath
if (-not (Get-Command bun -ErrorAction SilentlyContinue)) {
    Write-Host "[WARN] Bun binary path added to session: $HOME\.bun\bin" -ForegroundColor Yellow
    $env:Path += ";$HOME\.bun\bin"
}

# 3. Detect and Install Ollama Engine
if (Get-Command ollama -ErrorAction SilentlyContinue) {
    Write-Host "[SUCCESS] Ollama Local LLM Engine is already installed." -ForegroundColor Green
} else {
    Write-Host "[INFO] Ollama not found. Attempting automatic installation via winget..." -ForegroundColor Yellow
    if (Get-Command winget -ErrorAction SilentlyContinue) {
        try {
            winget install --id Ollama.Ollama -e --source winget --accept-source-agreements --accept-package-agreements
        } catch {
            Write-Host "[WARN] Winget install for Ollama encountered an issue. Please install Ollama from https://ollama.com" -ForegroundColor Yellow
        }
        Update-SessionPath
    } else {
        Write-Host "[WARN] Please download and install Ollama for Windows from https://ollama.com" -ForegroundColor Yellow
    }
}

# 4. Workspace Detection / Clone and Link DevMemory AI
Update-SessionPath
if ((Test-Path ".\package.json") -and (Select-String -Path ".\package.json" -Pattern '"name": "devmemoryai"' -Quiet)) {
    Write-Host "[INFO] Running inside active DevMemory AI workspace: $PWD" -ForegroundColor Cyan
} else {
    $InstallDir = "$HOME\.devmemory-ai"
    if (Test-Path $InstallDir) {
        Write-Host "[INFO] Updating existing DevMemory AI repository at $InstallDir..." -ForegroundColor Cyan
        Set-Location $InstallDir
        git pull origin main
    } else {
        Write-Host "[INFO] Cloning DevMemory AI v1.1.0 repository into $InstallDir..." -ForegroundColor Cyan
        git clone https://github.com/DevMemory-AI/devmemoryai.git "$InstallDir"
        Set-Location $InstallDir
    }
}

Write-Host "[INFO] Installing npm/bun dependencies..." -ForegroundColor Cyan
bun install

Write-Host "[INFO] Linking dmai CLI executable binary into global PATH..." -ForegroundColor Cyan
bun link

# 5. Pre-warm Ollama Service and Default Model
Update-SessionPath
if (Get-Command ollama -ErrorAction SilentlyContinue) {
    Write-Host "[INFO] Verifying Ollama local service status..." -ForegroundColor Cyan
    try {
        $response = Invoke-WebRequest -Uri "http://localhost:11434/api/tags" -UseBasicParsing -TimeoutSec 2 -ErrorAction SilentlyContinue
    } catch {
        Write-Host "[INFO] Launching Ollama background service..." -ForegroundColor Cyan
        Start-Process "ollama" -ArgumentList "serve" -WindowStyle Hidden
        Start-Sleep -Seconds 2
    }

    Write-Host "[INFO] Pre-warming default Ollama model (gpt-oss:120b-cloud)..." -ForegroundColor Cyan
    Start-Process "ollama" -ArgumentList "pull gpt-oss:120b-cloud" -WindowStyle Hidden
}

Write-Host ""
Write-Host "========================================================" -ForegroundColor Green
Write-Host "    DevMemory AI v1.1.0 Successfully Installed!        " -ForegroundColor Green
Write-Host "========================================================" -ForegroundColor Green
Write-Host ""
Write-Host "You can now initialize DevMemory AI in any software repository:"
Write-Host "  cd \path\to\your\project" -ForegroundColor Cyan
Write-Host "  dmai init" -ForegroundColor Cyan
Write-Host ""
Write-Host "Useful CLI Commands:"
Write-Host "  dmai status     - Check watcher, database, and repository status" -ForegroundColor Cyan
Write-Host "  dmai ask '...'   - Query engineering context" -ForegroundColor Cyan
Write-Host "  dmai dashboard - Launch local interactive UI" -ForegroundColor Cyan
Write-Host "  dmai projects  - List all active registered projects on system" -ForegroundColor Cyan
Write-Host "  dmai disable   - Safely disable project and purge .devmemory/ folder" -ForegroundColor Cyan
Write-Host "  dmai doctor    - Verify system health and AI provider readiness" -ForegroundColor Cyan
Write-Host ""