# Скачивает Qwen2.5-1.5B-Instruct GGUF в WESP_ASSISTANT_DIR\models\
# Требуется: pip install -U huggingface_hub
#
#   powershell -ExecutionPolicy Bypass -File install/assistant/download_model.ps1

$ErrorActionPreference = "Stop"
$repoRoot = (Resolve-Path (Join-Path $PSScriptRoot "..\..")).Path
if (-not $env:WESP_ASSISTANT_DIR -or [string]::IsNullOrWhiteSpace($env:WESP_ASSISTANT_DIR)) {
    $root = Join-Path $repoRoot "data\assistant"
} else {
    $root = $env:WESP_ASSISTANT_DIR
}
$file = if ($env:WESP_LLM_GGUF_FILE) { $env:WESP_LLM_GGUF_FILE } else { "qwen2.5-1.5b-instruct-q5_k_m.gguf" }
$dest = Join-Path $root "models"
New-Item -ItemType Directory -Force -Path $dest | Out-Null

$env:HF_DEST = $dest
$env:HF_FILE = $file
python -c @"
import os, sys
from pathlib import Path
dest = Path(os.environ['HF_DEST'])
file = os.environ['HF_FILE']
repo = 'Qwen/Qwen2.5-1.5B-Instruct-GGUF'
try:
    from huggingface_hub import hf_hub_download
except ImportError:
    sys.exit('Установите: pip install -U huggingface_hub')
path = hf_hub_download(repo_id=repo, filename=file, local_dir=str(dest))
print('OK:', path)
"@
if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }