#!/bin/bash
# wq_dispatch — dispatch queued item to agent (queued→dispatched→in_progress atomically)

API_URL="${WORK_QUEUE_API_URL:-}"
[[ -z "$API_URL" ]] && API_URL=$(cat ~/.config/work_queue_api_url 2>/dev/null || echo "")
[[ -z "$API_URL" ]] && { echo "Error: WORK_QUEUE_API_URL not set" >&2; exit 1; }

work_id="$1" agent="$2"
[[ -z "$work_id" ]] || [[ -z "$agent" ]] && { echo "Usage: wq dispatch <work_item_id> <agent>" >&2; exit 1; }

# Check if agent already has in_progress
existing=$(curl -sf "$API_URL/work?status=in_progress&agent=$agent" | jq 'length')
[[ "$existing" -gt 0 ]] && { echo "Error: $agent already has an in_progress item" >&2; exit 1; }

curl -sf -X PATCH "$API_URL/work/$work_id" \
  -H "Content-Type: application/json" \
  -d "{\"status\":\"dispatched\",\"assigned_agent\":\"$agent\"}" | jq .

curl -sf -X PATCH "$API_URL/work/$work_id" \
  -H "Content-Type: application/json" \
  -d "{\"status\":\"in_progress\"}" | jq .