package server

import (
	"net/http"
	"strconv"

	"git.wntrmute.dev/kyle/mcr/internal/db"
)

// AdminListAuditHandler handles GET /v1/audit.
func AdminListAuditHandler(database *db.DB) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		q := r.URL.Query()

		limit := 50
		if n := q.Get("n"); n != "" {
			if v, err := strconv.Atoi(n); err == nil && v > 0 {
				limit = v
			}
		}
		offset := 0
		if o := q.Get("offset"); o != "" {
			if v, err := strconv.Atoi(o); err == nil && v >= 0 {
				offset = v
			}
		}

		filter := db.AuditFilter{
			EventType:  q.Get("event_type"),
			ActorID:    q.Get("actor_id"),
			Repository: q.Get("repository"),
			Since:      q.Get("since"),
			Until:      q.Get("until"),
			Limit:      limit,
			Offset:     offset,
		}

		events, err := database.ListAuditEvents(filter)
		if err != nil {
			writeAdminError(w, http.StatusInternalServerError, "internal error")
			return
		}
		if events == nil {
			events = []db.AuditEvent{}
		}
		writeJSON(w, http.StatusOK, events)
	}
}