package api

import (
	"encoding/json"
	"net/http"
	"strconv"

	"debtik/internal/logging"
)

func (s *Server) handleListServices(w http.ResponseWriter, r *http.Request) {
	if s.servicesMgr == nil {
		writeError(w, http.StatusServiceUnavailable, "services manager not configured")
		return
	}
	list := s.servicesMgr.ListServices()
	writeJSON(w, http.StatusOK, list)
}

func (s *Server) handleUpdateService(w http.ResponseWriter, r *http.Request) {
	if s.servicesMgr == nil {
		writeError(w, http.StatusServiceUnavailable, "services manager not configured")
		return
	}
	name := r.PathValue("name")
	var req struct {
		Port        int    `json:"port"`
		Disabled    bool   `json:"disabled"`
		Certificate string `json:"certificate"`
		Comment     string `json:"comment"`
	}
	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		writeError(w, http.StatusBadRequest, "invalid request body")
		return
	}

	if err := s.servicesMgr.SetService(name, req.Port, req.Disabled, req.Certificate); err != nil {
		writeError(w, http.StatusBadRequest, err.Error())
		return
	}
	svc, _ := s.servicesMgr.GetService(name)
	writeJSON(w, http.StatusOK, svc)
}

func (s *Server) handleSetServiceState(w http.ResponseWriter, r *http.Request) {
	if s.servicesMgr == nil {
		writeError(w, http.StatusServiceUnavailable, "services manager not configured")
		return
	}
	name := r.PathValue("name")
	var req struct {
		Disabled bool `json:"disabled"`
	}
	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
		writeError(w, http.StatusBadRequest, "invalid request body")
		return
	}

	if err := s.servicesMgr.SetServiceState(name, req.Disabled); err != nil {
		writeError(w, http.StatusBadRequest, err.Error())
		return
	}
	svc, _ := s.servicesMgr.GetService(name)
	writeJSON(w, http.StatusOK, svc)
}

func (s *Server) handleListLogs(w http.ResponseWriter, r *http.Request) {
	limit := 100
	if lStr := r.URL.Query().Get("limit"); lStr != "" {
		if lVal, err := strconv.Atoi(lStr); err == nil && lVal > 0 {
			limit = lVal
		}
	}
	filter := r.URL.Query().Get("filter")
	if filter == "" {
		filter = r.URL.Query().Get("where")
	}

	logger := logging.GetLogger()
	logs := logger.List(limit, filter)
	writeJSON(w, http.StatusOK, map[string]any{
		"total": len(logs),
		"logs":  logs,
	})
}