package agent

import (
	"slices"

	llmgwv1 "gitea.mynodes.xyz/ilker/llmgw/api/gen/llmgw/v1"
)

// logsReply answers a request for one of this node's logs.
func (a *Agent) logsReply(req *llmgwv1.LogsRequest) *llmgwv1.LogsReply {
	n := int(req.GetLines())
	if n <= 0 {
		n = 200
	}
	n = min(n, agentLogLines)
	shards := a.sup.IDs()
	slices.Sort(shards)
	out := &llmgwv1.LogsReply{
		RequestId: req.GetRequestId(),
		Sources:   append([]string{"agent"}, shards...),
	}
	switch src := req.GetSource(); src {
	case "", "agent":
		out.Lines = a.logRing.tail(n)
	default:
		sh, err := a.sup.Get(src)
		if err != nil {
			out.Error = "no engine " + src + " runs on this node"
			return out
		}
		out.Lines = sh.Logs(n)
	}
	return out
}