package grpc

import (
	"context"

	// Укажите правильный путь до сгенерированного go кода из ваших контрактов
	"lendry-erp/media/internal/application/dto"
	"lendry-erp/media/internal/application/usecases"

	pb "git.lendry.ru/lendry-erp/contracts.git/gen/go/media"
)

type MediaHandler struct {
	pb.UnimplementedMediaServiceServer
	uploadUC  *usecases.UploadUseCase
	presignUC *usecases.PresignUseCase
}

func NewMediaHandler(u *usecases.UploadUseCase, p *usecases.PresignUseCase) *MediaHandler {
	return &MediaHandler{
		uploadUC:  u,
		presignUC: p,
	}
}

func (h *MediaHandler) Upload(ctx context.Context, req *pb.UploadRequest) (*pb.UploadResponse, error) {
	res, err := h.uploadUC.Execute(ctx, dto.UploadMediaRequest{
		OriginalName: req.FileName,
		Mode:         req.Mode,
		Data:         req.Data,
	})
	
	if err != nil {
		return nil, err
	}

	return &pb.UploadResponse{
		FileName: res.FileName,
		Size:     res.Size,
	}, nil
}

func (h *MediaHandler) GetPresignedUrl(ctx context.Context, req *pb.GetPresignedUrlRequest) (*pb.GetPresignedUrlResponse, error) {
	res, err := h.presignUC.Execute(ctx, dto.GetUrlRequest{
		FileName: req.FileName,
		IsPublic: req.IsPublic,
	})
	
	if err != nil {
		return nil, err
	}

	return &pb.GetPresignedUrlResponse{
		Url: res.URL,
	}, nil
}