$ErrorActionPreference = "Stop"

$OutputEncoding = [System.Text.Encoding]::UTF8
[Console]::OutputEncoding = [System.Text.Encoding]::UTF8
$env:PYTHONUTF8 = "1"
$env:PYTHONIOENCODING = "utf-8"

$PROJECT = Split-Path -Parent $PSScriptRoot
$LOG = "$PROJECT\logs\watchdog.log"
. "$PROJECT\scripts\stockbot_env.ps1"
$PYTHON = Resolve-StockBotPython -Project $PROJECT
$utf8 = New-Object System.Text.UTF8Encoding $false

Set-Location $PROJECT

function Write-WatchdogLog {
    param([string]$Message)
    $timestamp = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
    [System.IO.File]::AppendAllText($LOG, "[$timestamp] $Message`n", $utf8)
}

$holidayResult = & $PYTHON scripts\_is_trading_day.py 2>&1
if ($LASTEXITCODE -ne 0) {
    Write-WatchdogLog "market closed - skipped ($holidayResult)"
    exit 0
}

$now = Get-Date
$start = Get-Date -Hour 9 -Minute 0 -Second 0
$end = Get-Date -Hour 15 -Minute 10 -Second 59
if ($now -lt $start -or $now -gt $end) {
    Write-WatchdogLog "outside watchdog window - skipped"
    exit 0
}

Write-WatchdogLog "watchdog started"
& $PYTHON scripts\_watchdog.py 2>&1 |
    ForEach-Object { [System.IO.File]::AppendAllText($LOG, "$_`n", $utf8) }
Write-WatchdogLog "watchdog finished"