package compat

import (
	"fmt"
	"net/http"

	"github.com/containers/libpod/libpod"
	"github.com/containers/libpod/libpod/define"
	"github.com/containers/libpod/pkg/api/handlers/utils"
	"github.com/gorilla/schema"
	"github.com/pkg/errors"
)

func RestartContainer(w http.ResponseWriter, r *http.Request) {
	runtime := r.Context().Value("runtime").(*libpod.Runtime)
	decoder := r.Context().Value("decoder").(*schema.Decoder)
	// /{version}/containers/(name)/restart
	query := struct {
		Timeout int `schema:"t"`
	}{
		// Override golang default values for types
	}
	if err := decoder.Decode(&query, r.URL.Query()); err != nil {
		utils.BadRequest(w, "url", r.URL.String(), errors.Wrapf(err, "Failed to parse parameters for %s", r.URL.String()))
		return
	}

	name := utils.GetName(r)
	con, err := runtime.LookupContainer(name)
	if err != nil {
		utils.ContainerNotFound(w, name, err)
		return
	}

	state, err := con.State()
	if err != nil {
		utils.InternalServerError(w, err)
		return
	}

	// FIXME: This is not in the swagger.yml...
	// If the Container is stopped already, send a 409
	if state == define.ContainerStateStopped || state == define.ContainerStateExited {
		msg := fmt.Sprintf("Container %s is not running", name)
		utils.Error(w, msg, http.StatusConflict, errors.New(msg))
		return
	}

	timeout := con.StopTimeout()
	if _, found := r.URL.Query()["t"]; found {
		timeout = uint(query.Timeout)
	}

	if err := con.RestartWithTimeout(r.Context(), timeout); err != nil {
		utils.InternalServerError(w, err)
		return
	}

	// Success
	utils.WriteResponse(w, http.StatusNoContent, "")
}