# ICMR + HITEK Search API - One-Click Setup (PowerShell)
# Total download: ~305 GB. Make sure you have enough space!
$ErrorActionPreference = "Stop"
$ProgressPreference = "SilentlyContinue"

$DataRepo  = "Kzr0xx/Icmr-and-hitek"
$FullRepo  = "Kzr0xx/icrm-hitek-full-db-mixed"
$Files     = @("part1.parquet", "part2a.parquet", "part2b_new.parquet")
$Idx       = @("idx_phone.0.parquet", "idx_phone.1.parquet", "idx_phone.2.parquet", "idx_phone.3.parquet", "idx_phone.4.parquet", "idx_phone.5.parquet", "idx_phone.6.parquet", "idx_aadhar.0.parquet", "idx_aadhar.1.parquet", "idx_aadhar.2.parquet", "idx_aadhar.3.parquet", "idx_aadhar.4.parquet", "idx_aadhar.5.parquet", "idx_aadhar.6.parquet")
$Code      = @("main.py", "build_index.py", "run_api.bat", "requirements.txt")

$Root = Split-Path -Parent $MyInvocation.MyCommand.Path
Set-Location $Root
$DataDir = Join-Path $Root "data"
New-Item -ItemType Directory -Force -Path $DataDir | Out-Null

function Download-File($Name, $Repo, $Dest) {
    if (Test-Path $Dest) { Write-Host "  $Name already exists, skipping"; return }
    Write-Host "  Downloading $Name ..."
    $url = "https://huggingface.co/datasets/$Repo/resolve/main/$Name"
    # curl.exe is bundled with Windows 10+ and supports resume (-C -)
    & curl.exe -L -C - -o $Dest $url
    if ($LASTEXITCODE -ne 0) { throw "FAILED: $Name" }
}

Write-Host "============================================================"
Write-Host " ICMR + HITEK Search API - One-Click Setup (PowerShell)"
Write-Host "============================================================"
Write-Host ""

Write-Host "[1/5] Downloading data files (104 GB)..."
foreach ($f in $Files) { Download-File $f $DataRepo (Join-Path $DataDir $f) }

Write-Host "[2/5] Downloading index parts (200 GB)..."
foreach ($f in $Idx) { Download-File $f $FullRepo (Join-Path $DataDir $f) }

Write-Host "[3/5] Downloading code files..."
foreach ($f in $Code) {
    curl.exe -L -C - -o $f "https://huggingface.co/datasets/$FullRepo/resolve/main/$f"
}

Write-Host "[4/5] Setting up Python environment..."
$py = Get-Command python -ErrorAction SilentlyContinue
if (-not $py) {
    $py = Get-Command py -ErrorAction SilentlyContinue
    if (-not $py) { throw "Python not found! Install Python 3.11+ from https://www.python.org/downloads/" }
    & py -3 -m venv .venv
} else {
    if (-not (Test-Path ".venv")) { python -m venv .venv }
}
& ".venv\Scripts\python.exe" -m pip install -q --upgrade pip
& ".venv\Scripts\python.exe" -m pip install -q -r requirements.txt

Write-Host "[5/5] Starting API server..."
$env:ICMR_DATA_DIR = $DataDir
Start-Process -FilePath ".venv\Scripts\python.exe" -ArgumentList "-m","uvicorn","main:app","--host","127.0.0.1","--port","8001","--workers","1" -WorkingDirectory $Root -WindowStyle Minimized

Write-Host ""
Write-Host "============================================================"
Write-Host " API is starting on http://127.0.0.1:8001"
Write-Host " Docs: http://127.0.0.1:8001/docs"
Write-Host "============================================================"