package server

import (
	"net/http"
)

func (s *Server) handleListGroups(w http.ResponseWriter, r *http.Request) {
	groups, err := s.DB.ListProjectGroups()
	if err != nil {
		writeError(w, http.StatusInternalServerError, err.Error())
		return
	}
	writeJSON(w, http.StatusOK, groups)
}

func (s *Server) handleCreateGroup(w http.ResponseWriter, r *http.Request) {
	var body struct {
		Name string `json:"name"`
	}
	if err := readJSON(r, &body); err != nil {
		writeError(w, http.StatusBadRequest, "invalid json")
		return
	}
	g, err := s.DB.CreateProjectGroup(body.Name)
	if err != nil {
		writeError(w, http.StatusBadRequest, err.Error())
		return
	}
	writeJSON(w, http.StatusCreated, g)
}

func (s *Server) handlePatchGroup(w http.ResponseWriter, r *http.Request) {
	id := r.PathValue("id")
	var body struct {
		Name string `json:"name"`
	}
	if err := readJSON(r, &body); err != nil {
		writeError(w, http.StatusBadRequest, "invalid json")
		return
	}
	if err := s.DB.RenameProjectGroup(id, body.Name); err != nil {
		writeError(w, http.StatusBadRequest, err.Error())
		return
	}
	g, err := s.DB.GetProjectGroup(id)
	if err != nil {
		writeError(w, http.StatusNotFound, err.Error())
		return
	}
	writeJSON(w, http.StatusOK, g)
}

func (s *Server) handleDeleteGroup(w http.ResponseWriter, r *http.Request) {
	id := r.PathValue("id")
	if err := s.DB.DeleteProjectGroup(id); err != nil {
		writeError(w, http.StatusBadRequest, err.Error())
		return
	}
	writeJSON(w, http.StatusOK, map[string]string{"status": "ok"})
}