#!/usr/bin/env pwsh
<#
.SYNOPSIS
    Discord Reminder Handler - Called by OpenClaw to process reminder commands
.DESCRIPTION
    Handles: add, list, delete, cleanup
.EXAMPLE
    .\reminder-handler.ps1 add "458667380332036117" "1474636036905631867" "Call mom" "2h"
    .\reminder-handler.ps1 list
    .\reminder-handler.ps1 delete 5
#>

$action = $args[0]
$scriptDir = Split-Path -Parent $MyInvocation.MyCommand.Path
$pythonScript = Join-Path $scriptDir "reminder-manager.py"

function Get-RemindersJson {
    $json = & python $pythonScript "list" | Out-String
    return $json | ConvertFrom-Json
}

switch ($action) {
    "add" {
        $userId = $args[1]
        $channelId = $args[2]
        $message = $args[3]
        $time = $args[4]
        
        if (-not $userId -or -not $message -or -not $time) {
            Write-Error "Usage: add <user_id> <channel_id> <message> <time>"
            exit 1
        }
        
        # Add to database
        $result = & python $pythonScript "add" $userId $channelId $message $time | Out-String
        $reminder = $result | ConvertFrom-Json
        
        if ($reminder.error) {
            Write-Error $reminder.error
            exit 1
        }
        
        Write-Output "@{reminder_id:$($reminder.id)}"
    }
    
    "list" {
        $userId = $args[1]
        $reminders = Get-RemindersJson
        
        if ($userId) {
            $reminders = $reminders | Where-Object { $_.user_id -eq $userId }
        }
        
        if ($reminders.Count -eq 0) {
            Write-Output "No active reminders."
        } else {
            $reminders | ForEach-Object {
                $when = [datetime]::Parse($_.remind_at).ToString("MMM d '\at' h:mm tt")
                Write-Output "`#$($_.id): $($_.message) - $when"
            }
        }
    }
    
    "delete" {
        $id = $args[1]
        if (-not $id) {
            Write-Error "Usage: delete <reminder_id>"
            exit 1
        }
        
        $result = & python $pythonScript "delete" $id | Out-String
        $data = $result | ConvertFrom-Json
        
        if ($data.deleted) {
            Write-Output "Reminder#$id cancelled."
        } else {
            Write-Error "Reminder not found."
        }
    }
    
    "cleanup" {
        & python $pythonScript "cleanup"
    }
    
    default {
        Write-Output @"
Discord Reminder Handler

Usage: reminder-handler.ps1 <command> [args]

Commands:
  add <user_id> <channel_id> <message> <time>   Add a reminder
  list [user_id]                                 List reminders  
  delete <id>                                    Cancel a reminder
  cleanup                                        Remove old entries

Time formats:
  20m, 2h, 1h30m  - Relative time
  9am, 2:30pm     - Today at time
  tomorrow 9am    - Tomorrow at time
"@
    }
}