package api

import (
	"net/http"

	"forge.cadoles.com/Cadoles/emissary/internal/datastore"
	"github.com/pkg/errors"
	"gitlab.com/wpetit/goweb/api"
	"gitlab.com/wpetit/goweb/logger"
)

type releaseAgentRequest struct {
	AgentID int64 `json:"agentId" validate:"required"`
}

func (m *Mount) releaseAgent(w http.ResponseWriter, r *http.Request) {
	ctx := r.Context()

	releaseAgentReq := &releaseAgentRequest{}
	if ok := api.Bind(w, r, releaseAgentReq); !ok {
		return
	}

	agentID := datastore.AgentID(releaseAgentReq.AgentID)

	if ok := m.assertTenantOwns(w, r, agentID); !ok {
		return
	}

	agent, err := m.agentRepo.Get(ctx, agentID)
	if err != nil {
		if errors.Is(err, datastore.ErrNotFound) {
			api.ErrorResponse(w, http.StatusNotFound, ErrCodeNotFound, nil)
			return
		}

		err = errors.WithStack(err)
		logger.Error(ctx, "could not retrieve agent", logger.CapturedE(err))
		api.ErrorResponse(w, http.StatusInternalServerError, ErrCodeUnknownError, nil)

		return
	}

	agent, err = m.agentRepo.Detach(ctx, agent.ID)
	if err != nil {
		err = errors.WithStack(err)
		logger.Error(ctx, "could not detach agent", logger.CapturedE(err))
		api.ErrorResponse(w, http.StatusInternalServerError, ErrCodeUnknownError, nil)

		return
	}

	api.DataResponse(w, http.StatusOK, struct {
		Agent *datastore.Agent `json:"agent"`
	}{
		Agent: agent,
	})
}