// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .

package iplibrary

import (
	"github.com/TeaOSLab/EdgeAdmin/internal/web/actions/actionutils"
	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
	"github.com/iwind/TeaGo/types"
)

type DownloadAction struct {
	actionutils.ParentAction
}

func (this *DownloadAction) Init() {
	this.Nav("", "", "")
}

func (this *DownloadAction) RunGet(params struct {
	ArtifactId int64
}) {
	artifactResp, err := this.RPC().IPLibraryArtifactRPC().FindIPLibraryArtifact(this.AdminContext(), &pb.FindIPLibraryArtifactRequest{
		IpLibraryArtifactId: params.ArtifactId,
	})
	if err != nil {
		this.ErrorPage(err)
		return
	}
	var artifact = artifactResp.IpLibraryArtifact
	if artifact == nil {
		this.NotFound("IPLibraryArtifact", params.ArtifactId)
		return
	}

	var fileId = artifact.FileId
	if fileId <= 0 {
		this.WriteString("ip artifact file not generated")
		return
	}

	fileResp, err := this.RPC().FileRPC().FindEnabledFile(this.AdminContext(), &pb.FindEnabledFileRequest{FileId: fileId})
	if err != nil {
		this.ErrorPage(err)
		return
	}

	var file = fileResp.File
	if file == nil {
		this.WriteString("file not found")
		return
	}

	chunkIdsResp, err := this.RPC().FileChunkRPC().FindAllFileChunkIds(this.AdminContext(), &pb.FindAllFileChunkIdsRequest{FileId: file.Id})
	if err != nil {
		this.ErrorPage(err)
		return
	}

	this.AddHeader("Content-Disposition", "attachment; filename=\"ip-"+artifact.Code+".db\";")
	this.AddHeader("Content-Length", types.String(file.Size))
	for _, chunkId := range chunkIdsResp.FileChunkIds {
		chunkResp, err := this.RPC().FileChunkRPC().DownloadFileChunk(this.AdminContext(), &pb.DownloadFileChunkRequest{FileChunkId: chunkId})
		if err != nil {
			this.ErrorPage(err)
			return
		}
		var chunk = chunkResp.FileChunk
		if chunk == nil {
			break
		}
		_, _ = this.Write(chunkResp.FileChunk.Data)
	}
}