$ErrorActionPreference = "Stop"

function Get-StockBotProjectRoot {
    return (Split-Path -Parent $PSScriptRoot)
}

function Resolve-StockBotPython {
    param([string]$Project)

    $VenvPython = Join-Path $Project ".venv\Scripts\python.exe"
    if (Test-Path $VenvPython) {
        return $VenvPython
    }

    $PyenvPython = Join-Path $env:USERPROFILE ".pyenv\pyenv-win\versions\3.11.9\python.exe"
    if (Test-Path $PyenvPython) {
        return $PyenvPython
    }

    $Command = Get-Command python -ErrorAction SilentlyContinue
    if ($Command) {
        return $Command.Source
    }

    throw "Python not found. Run Restore_StockBot.bat first."
}

function Resolve-StockBotClaude {
    $Candidates = @()
    if ($env:STOCKBOT_CLAUDE) {
        $Candidates += $env:STOCKBOT_CLAUDE
    }
    if ($env:APPDATA) {
        $Candidates += (Join-Path $env:APPDATA "npm\claude.cmd")
        $Candidates += (Join-Path $env:APPDATA "npm\codex.cmd")
    }

    foreach ($Candidate in $Candidates) {
        if ($Candidate -and (Test-Path $Candidate)) {
            return $Candidate
        }
    }

    $Claude = Get-Command claude.cmd -ErrorAction SilentlyContinue
    if ($Claude) {
        return $Claude.Source
    }

    $Codex = Get-Command codex.cmd -ErrorAction SilentlyContinue
    if ($Codex) {
        return $Codex.Source
    }

    throw "Claude/Codex CLI not found. Run Restore_StockBot.bat or install the CLI, then retry."
}