package libpod

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

	"github.com/containers/libpod/libpod"
	"github.com/containers/libpod/pkg/api/handlers/utils"
	"github.com/containers/libpod/pkg/specgen"
	"github.com/containers/libpod/pkg/specgen/generate"
	"github.com/pkg/errors"
)

// CreateContainer takes a specgenerator and makes a container. It returns
// the new container ID on success along with any warnings.
func CreateContainer(w http.ResponseWriter, r *http.Request) {
	runtime := r.Context().Value("runtime").(*libpod.Runtime)
	var sg specgen.SpecGenerator
	if err := json.NewDecoder(r.Body).Decode(&sg); err != nil {
		utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "Decode()"))
		return
	}
	if err := generate.CompleteSpec(r.Context(), runtime, &sg); err != nil {
		utils.InternalServerError(w, err)
		return
	}
	ctr, err := generate.MakeContainer(runtime, &sg)
	if err != nil {
		utils.InternalServerError(w, err)
		return
	}
	response := utils.ContainerCreateResponse{ID: ctr.ID()}
	utils.WriteJSON(w, http.StatusCreated, response)
}