package admin

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

	"git.maze.io/maze/styx/dataset"
)

func (a *Admin) apiGroups(w http.ResponseWriter, r *http.Request) {
	groups, err := a.Storage.Groups()
	if err != nil {
		a.handleAPIError(w, r, err)
		return
	}
	a.jsonResponse(w, r, groups)
}

func (a *Admin) apiGroup(w http.ResponseWriter, r *http.Request) {
	id, err := strconv.ParseInt(r.PathValue("id"), 10, 64)
	if err != nil {
		a.handleAPIError(w, r, err)
		return
	}
	group, err := a.Storage.GroupByID(id)
	if err != nil {
		a.handleAPIError(w, r, err)
		return
	}
	a.jsonResponse(w, r, group)
}

func (a *Admin) apiGroupCreate(w http.ResponseWriter, r *http.Request) {
	var request struct {
		dataset.Group
		ID        int64     `json:"id"`         // mask, not used
		CreatedAt time.Time `json:"created_at"` // mask, not used
		UpdatedAt time.Time `json:"updated_at"` // mask, not used
	}
	if err := json.NewDecoder(r.Body).Decode(&request); err != nil {
		a.handleAPIError(w, r, err)
		return
	}
	if err := a.Storage.SaveGroup(&request.Group); err != nil {
		a.handleAPIError(w, r, err)
		return
	}
	a.jsonResponse(w, r, request.Group, http.StatusCreated)
}

func (a *Admin) apiGroupUpdate(w http.ResponseWriter, r *http.Request) {
}

func (a *Admin) apiGroupDelete(w http.ResponseWriter, r *http.Request) {
	id, err := strconv.ParseInt(r.PathValue("id"), 10, 64)
	if err != nil {
		a.handleAPIError(w, r, err)
		return
	}
	group, err := a.Storage.GroupByID(id)
	if err != nil {
		a.handleAPIError(w, r, err)
		return
	}
	if err = a.Storage.DeleteGroup(group); err != nil {
		a.handleAPIError(w, r, err)
		return
	}
	a.jsonResponse(w, r, nil)
}