run_app.ps1

Param(
    [string]$EnvName = "llm-chat",
    [switch]$SkipDeps,
    [switch]$SkipEnvUpdate
)

$ErrorActionPreference = "Stop"

# Always run relative to the script location so conda sees the right files.
Set-Location -Path (Split-Path -Path $MyInvocation.MyCommand.Path -Parent)

function Invoke-Conda {
    param(
        [string]$Args
    )

    Write-Host ">> conda $Args"
    conda $Args
}

function Invoke-CondaRun {
    param(
        [string]$Args
    )

    Write-Host ">> conda run -n $EnvName $Args"
    conda run -n $EnvName $Args
}

if (-not $SkipEnvUpdate) {
    Write-Host "Ensuring conda environment '$EnvName' is up to date..."
    try {
        Invoke-Conda "env update -n `"$EnvName`" -f environment.yml --prune"
    } catch {
        Write-Host "Env update failed; attempting to create '$EnvName'..."
        Invoke-Conda "env create -n `"$EnvName`" -f environment.yml"
    }
}

if (-not $SkipDeps) {
    Write-Host "Installing pip requirements into '$EnvName'..."
    Invoke-CondaRun "pip install -r requirements.txt"
}

Write-Host "Launching Streamlit app..."
Invoke-CondaRun "streamlit run app/streamlit_app.py"