package server

import (
	"log/slog"
	"net/http"
	"sort"
)

func (s *Server) GetInstanceLogs(w http.ResponseWriter, r *http.Request, instanceId string) {
	slog.Debug("GetInstanceLogs endpoint called", "instanceId", instanceId)

	username, ok := s.usernameFromCtx(r)
	if !ok {
		http.Error(w, "Internal server error", http.StatusInternalServerError)
		return
	}

	if err := s.pagedb.ValidateInstanceOwner(r.Context(), instanceId, username); err != nil {
		slog.Debug("Instance ownership validation failed", "instanceId", instanceId, "error", err)
		http.Error(w, "Instance not found", http.StatusNotFound)
		return
	}

	entries := s.logs.List(instanceId)
	sort.Slice(entries, func(i, j int) bool {
		return entries[i].Timestamp.After(entries[j].Timestamp)
	})

	slog.Debug("Returning instance logs", "instanceId", instanceId, "count", len(entries))
	writeJSONResponse(w, http.StatusOK, entries)
}