package log

import (
	"bytes"
	"github.com/TeaOSLab/EdgeAdmin/internal/web/actions/actionutils"
	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
	"github.com/iwind/TeaGo/lists"
	timeutil "github.com/iwind/TeaGo/utils/time"
	"github.com/tealeg/xlsx/v3"
	"strconv"
	"strings"
)

type ExportExcelAction struct {
	actionutils.ParentAction
}

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

func (this *ExportExcelAction) RunGet(params struct {
	DayFrom string
	DayTo   string
	Keyword string
}) {
	logsResp, err := this.RPC().LogRPC().ListLogs(this.AdminContext(), &pb.ListLogsRequest{
		Offset:  0,
		Size:    1000, // 日志最大导出1000条，TODO 将来可以配置
		DayFrom: params.DayFrom,
		DayTo:   params.DayTo,
		Keyword: params.Keyword,
	})
	if err != nil {
		this.ErrorPage(err)
		return
	}

	wb := xlsx.NewFile()
	sheet, err := wb.AddSheet("default")
	if err != nil {
		this.ErrorPage(err)
		return
	}

	// 头部
	{
		row := sheet.AddRow()
		row.SetHeight(25)
		row.AddCell().SetString("ID")
		row.AddCell().SetString("日期")
		row.AddCell().SetString("用户")
		row.AddCell().SetString("描述")
		row.AddCell().SetString("IP")
		row.AddCell().SetString("区域")
		row.AddCell().SetString("运营商")
		row.AddCell().SetString("页面地址")
	}

	// 数据
	for _, log := range logsResp.Logs {
		regionName := ""
		ispName := ""
		regionResp, err := this.RPC().IPLibraryRPC().LookupIPRegion(this.AdminContext(), &pb.LookupIPRegionRequest{Ip: log.Ip})
		if err != nil {
			this.ErrorPage(err)
			return
		}
		if regionResp.Region != nil {
			pieces := []string{}
			if len(regionResp.Region.Country) > 0 {
				pieces = append(pieces, regionResp.Region.Country)
			}
			if len(regionResp.Region.Province) > 0 && !lists.ContainsString(pieces, regionResp.Region.Province) {
				pieces = append(pieces, regionResp.Region.Province)
			}
			if len(regionResp.Region.City) > 0 && !lists.ContainsString(pieces, regionResp.Region.City) && !lists.ContainsString(pieces, strings.TrimSuffix(regionResp.Region.Province, "市")) {
				pieces = append(pieces, regionResp.Region.City)
			}
			regionName = strings.Join(pieces, " ")

			if len(regionResp.Region.Isp) > 0 {
				ispName = regionResp.Region.Isp
			}
		}

		row := sheet.AddRow()
		row.SetHeight(25)
		row.AddCell().SetInt64(log.Id)
		row.AddCell().SetString(timeutil.FormatTime("Y-m-d H:i:s", log.CreatedAt))
		row.AddCell().SetString(log.UserName)
		row.AddCell().SetString(log.Description)
		row.AddCell().SetString(log.Ip)
		row.AddCell().SetString(regionName)
		row.AddCell().SetString(ispName)
		row.AddCell().SetString(log.Action)
	}

	this.AddHeader("Content-Type", "application/vnd.ms-excel")
	this.AddHeader("Content-Disposition", "attachment; filename=\"LOG-"+timeutil.Format("YmdHis")+".xlsx\"")
	this.AddHeader("Cache-Control", "max-age=0")

	buf := bytes.NewBuffer([]byte{})
	err = wb.Write(buf)
	if err != nil {
		this.ErrorPage(err)
		return
	}

	this.AddHeader("Content-Length", strconv.Itoa(buf.Len()))
	this.Write(buf.Bytes())
}