package api

import (
	"log/slog"
	"net/http"
	"strconv"

	"github.com/alexei/docker-watcher/internal/store"
)

// listEventLog handles GET /api/events/log.
// Supports query parameters: severity, source, since, until, limit, offset.
func (s *Server) listEventLog(w http.ResponseWriter, r *http.Request) {
	q := r.URL.Query()

	limit, _ := strconv.Atoi(q.Get("limit"))
	offset, _ := strconv.Atoi(q.Get("offset"))

	filter := store.EventLogFilter{
		Severity: q.Get("severity"),
		Source:   q.Get("source"),
		Since:    q.Get("since"),
		Until:    q.Get("until"),
		Limit:    limit,
		Offset:   offset,
	}

	events, err := s.store.ListEvents(filter)
	if err != nil {
		slog.Error("failed to list events", "error", err)
		respondError(w, http.StatusInternalServerError, "failed to list events")
		return
	}

	respondJSON(w, http.StatusOK, events)
}

// getEventLogStats handles GET /api/events/log/stats.
func (s *Server) getEventLogStats(w http.ResponseWriter, r *http.Request) {
	stats, err := s.store.GetEventStats()
	if err != nil {
		slog.Error("failed to get event stats", "error", err)
		respondError(w, http.StatusInternalServerError, "failed to get event stats")
		return
	}

	respondJSON(w, http.StatusOK, stats)
}
