package handler

import (
	"context"
	"net/http"

	cmsstorage "go.unistack.org/cms-service/storage"
	"go.unistack.org/micro/v4"
	"go.unistack.org/micro/v4/errors"
	"go.unistack.org/unistack-org/pkgdash/config"
	"go.unistack.org/unistack-org/pkgdash/models"
	pb "go.unistack.org/unistack-org/pkgdash/proto"
	"go.unistack.org/unistack-org/pkgdash/storage"
)

type Handler struct {
	svc   micro.Service
	store storage.Storage

	writer writer
}

func (h *Handler) ListPackage(w http.ResponseWriter, r *http.Request) {
	ctx := r.Context()
	logger := h.svc.Logger()
	logger.Debug(ctx, "Start getListPackage")

	dbRsp, err := h.store.List(ctx)
	if err != nil {
		logger.Errorf(ctx, "error db response: %v", err)
		h.writer.Response(ctx, w, err)
		return
	}

	rsp := new(pb.ListPackageRsp)
	rsp.Packages = models.ListPackage(dbRsp).Mapping()

	logger.Debug(ctx, "Success finish getListPackage")
	h.writer.Response(ctx, w, rsp)
}

func (h *Handler) UpdateInfo(w http.ResponseWriter, r *http.Request) {
	ctx := r.Context()
	logger := h.svc.Logger()
	logger.Debug(ctx, "Start UpdateInfo")

	// TODO
}

func (h *Handler) AddComment(w http.ResponseWriter, r *http.Request) {
	ctx := r.Context()
	logger := h.svc.Logger()
	logger.Debug(ctx, "Start AddComment")

	// TODO
}

func NewHandler(svc micro.Service, w writer) *Handler {
	return &Handler{svc: svc, writer: w}
}

func (h *Handler) Init(ctx context.Context) error {
	store := cmsstorage.InterfaceFromContext(h.svc.Options().Context)
	if store == nil {
		return cmsstorage.ErrMissingStorage
	}
	st, ok := store.(storage.Storage)
	if !ok {
		return errors.New(config.ServiceName, "error init storage", 1)
	}

	h.store = st

	return nil
}