package cmd

import (
	"context"
	"encoding/json"
	"fmt"
	"github.com/gammazero/workerpool"
	"github.com/spf13/cobra"
	"go.uber.org/zap"
	"os"
	"os/signal"
	"syscall"
	"taskExecute/config"
	"taskExecute/mq"
	"taskExecute/pkg/docker"
	"taskExecute/pkg/utils"

	"git.hpds.cc/Component/logging"
)

var (
	ConfigFileFlag string = "./config/config.yaml"
)

func must(err error) {
	if err != nil {
		_, _ = fmt.Fprint(os.Stderr, err)
		os.Exit(1)
	}
}
func NewStartCmd() *cobra.Command {
	cmd := &cobra.Command{
		Use:   "start",
		Short: "Start hpds_web application",
		Run: func(cmd *cobra.Command, args []string) {
			var (
				cfg *config.TaskExecutorConfig
				err error
			)
			ctx, cancel := context.WithCancel(context.Background())
			defer cancel()

			configFileFlag, err := cmd.Flags().GetString("c")
			if err != nil {
				fmt.Println("get local config err: ", err)
				return
			}
			must(err)
			cfg, err = config.ParseConfigByFile(configFileFlag)
			must(err)
			logger := LoadLoggerConfig(cfg.Logging)
			config.Cfg = cfg
			if len(cfg.TmpPath) > 0 {
				_ = os.MkdirAll(cfg.TmpPath, 0755)
			}
			config.Logger = logger
			//创建本地容器配置list
			docker.ContainerList = make([]docker.ContainerStore, 0)
			b := utils.PathExists(cfg.Store)
			if b {
				store, err := os.ReadFile(cfg.Store)
				must(err)
				err = json.Unmarshal(store, &docker.ContainerList)
				must(err)
			} else {
				f, _ := os.Create(cfg.Store)
				defer func() {
					_ = f.Close()
				}()
			}

			exitChannel := make(chan os.Signal)
			defer close(exitChannel)
			// 退出信号监听
			go func(c chan os.Signal) {
				docker.SaveStore()
				signal.Notify(c, syscall.SIGINT, syscall.SIGTERM)
			}(exitChannel)
			//创建消息连接点
			mq.MqList, err = mq.NewMqClient(cfg.Functions, cfg.Node, logger)
			must(err)
			//任务队列
			config.WorkPool = workerpool.New(cfg.TaskPoolCount)

			for {
				select {
				case <-ctx.Done():
					logger.With(
						zap.String("web", "exit"),
					).Error(ctx.Err().Error())
					return
				case errs := <-exitChannel:
					logger.With(
						zap.String("web", "服务退出"),
					).Info(errs.String())
					return
				}
			}
		},
	}
	cmd.Flags().StringVar(&ConfigFileFlag, "c", "./config/config.yaml", "The configuration file path")
	return cmd
}

func LoadLoggerConfig(opt config.LogOptions) *logging.Logger {
	return logging.NewLogger(
		logging.SetPath(opt.Path),
		logging.SetPrefix(opt.Prefix),
		logging.SetDevelopment(opt.Development),
		logging.SetDebugFileSuffix(opt.DebugFileSuffix),
		logging.SetWarnFileSuffix(opt.WarnFileSuffix),
		logging.SetErrorFileSuffix(opt.ErrorFileSuffix),
		logging.SetInfoFileSuffix(opt.InfoFileSuffix),
		logging.SetMaxAge(opt.MaxAge),
		logging.SetMaxBackups(opt.MaxBackups),
		logging.SetMaxSize(opt.MaxSize),
		logging.SetLevel(logging.LogLevel["debug"]),
	)
}