package application

import (
	"context"
	"fmt"
	"mayfly-go/internal/machine/config"
	"mayfly-go/internal/machine/domain/entity"
	"mayfly-go/internal/machine/domain/repository"
	"mayfly-go/internal/machine/mcm"
	"mayfly-go/pkg/base"
	"mayfly-go/pkg/contextx"
	"mayfly-go/pkg/errorx"
	"mayfly-go/pkg/model"
	"mayfly-go/pkg/utils/stringx"
	"os"
	"path"
	"time"

	"github.com/gorilla/websocket"
)

type MachineTermOp interface {
	base.App[*entity.MachineTermOp]

	// 终端连接操作
	TermConn(ctx context.Context, cli *mcm.Cli, wsConn *websocket.Conn, rows, cols int) error

	GetPageList(condition *entity.MachineTermOp, pageParam *model.PageParam, toEntity any, orderBy ...string) (*model.PageResult[any], error)
}

func newMachineTermOpApp(machineTermOpRepo repository.MachineTermOp) MachineTermOp {
	return &machineTermOpAppImpl{
		base.AppImpl[*entity.MachineTermOp, repository.MachineTermOp]{Repo: machineTermOpRepo},
	}
}

type machineTermOpAppImpl struct {
	base.AppImpl[*entity.MachineTermOp, repository.MachineTermOp]
}

func (a *machineTermOpAppImpl) TermConn(ctx context.Context, cli *mcm.Cli, wsConn *websocket.Conn, rows, cols int) error {
	var recorder *mcm.Recorder
	var termOpRecord *entity.MachineTermOp

	// 开启终端操作记录
	if cli.Info.EnableRecorder == 1 {
		now := time.Now()
		la := contextx.GetLoginAccount(ctx)

		termOpRecord = new(entity.MachineTermOp)

		termOpRecord.CreateTime = &now
		termOpRecord.Creator = la.Username
		termOpRecord.CreatorId = la.Id

		termOpRecord.MachineId = cli.Info.Id
		termOpRecord.Username = cli.Info.Username

		// 回放文件路径为: 基础配置路径/操作日期(202301)/day/hour/randstr.cast
		recRelPath := path.Join(now.Format("200601"), fmt.Sprintf("%d", now.Day()), fmt.Sprintf("%d", now.Hour()))
		// 文件绝对路径
		recAbsPath := path.Join(config.GetMachine().TerminalRecPath, recRelPath)
		os.MkdirAll(recAbsPath, 0766)
		filename := fmt.Sprintf("%s.cast", stringx.RandByChars(18, stringx.LowerChars))
		f, err := os.OpenFile(path.Join(recAbsPath, filename), os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0766)
		if err != nil {
			return errorx.NewBiz("创建终端回放记录文件失败: %s", err.Error())
		}
		defer f.Close()

		termOpRecord.RecordFilePath = path.Join(recRelPath, filename)
		recorder = mcm.NewRecorder(f)
	}

	mts, err := mcm.NewTerminalSession(stringx.Rand(16), wsConn, cli, rows, cols, recorder)
	if err != nil {
		return err
	}

	mts.Start()
	defer mts.Stop()

	if termOpRecord != nil {
		now := time.Now()
		termOpRecord.EndTime = &now
		return a.Insert(ctx, termOpRecord)
	}
	return nil
}

func (a *machineTermOpAppImpl) GetPageList(condition *entity.MachineTermOp, pageParam *model.PageParam, toEntity any, orderBy ...string) (*model.PageResult[any], error) {
	return a.GetRepo().GetPageList(condition, pageParam, toEntity)
}