package main

import (
	"flag"
	"fmt"
	"io"
	"net/http"
	"os"

	"git.algo.com.cn/public/saasapi"
	"git.algo.com.cn/public/saasapi/pkg/saashttp"
)

type scriptRunParams struct {
	luaScript string
	did       string
	os        saasapi.OS
	saasHttp  *saashttp.SaasClient
}

func RunScriptRun(args ...string) error {
	fs := flag.NewFlagSet("run", flag.ExitOnError)
	cfgFile := paramConfig(fs)
	luaFile := paramLua(fs)
	did := paramDid(fs)
	tos := paramOS(fs)

	if err := fs.Parse(args); err != nil {
		fmt.Fprintln(os.Stderr, "command line parse error", "err", err)
		return err
	}

	if fs.NArg() > 0 || len(*luaFile) == 0 || len(*did) == 0 {
		fs.PrintDefaults()
		return nil
	}

	if !(*tos == 1 || *tos == 2) {
		fmt.Fprintln(os.Stderr, "OS error")
		return nil
	}

	file, err := os.Open(*luaFile)
	if err != nil {
		fmt.Fprintln(os.Stderr, "lua file error", "err", err)
		return err
	}
	defer file.Close()

	body, err := io.ReadAll(file)
	if err != nil {
		fmt.Fprintln(os.Stderr, "lua file read error", "err", err)
		return err
	}

	cfg, err := LoadConfigFile(*cfgFile)
	if err != nil {
		fmt.Fprintln(os.Stderr, "LoadConfigFile error", "err", err)
		return err
	}

	scriptRunParams := scriptRunParams{
		luaScript: string(body),
		did:       *did,
		os:        saasapi.OS(*tos),
		saasHttp: &saashttp.SaasClient{
			Client:  &http.Client{},
			ApiUrls: saashttp.InitAPIUrl(&cfg.ApiUrls),
			Auth:    &cfg.Auth,
		},
	}

	return doScriptRun(scriptRunParams)
}

func doScriptRun(scriptRunParams scriptRunParams) error {
	saasReq := &saasapi.SaasReq{
		Cmd: &saasapi.SaasReq_ScriptRun{
			ScriptRun: &saasapi.ScriptRun{
				LuaScript: scriptRunParams.luaScript,
				ServerDid: scriptRunParams.did,
				Os:        scriptRunParams.os,
			},
		},
	}

	res, err := scriptRunParams.saasHttp.ScriptRun(saasReq)
	if err != nil {
		fmt.Fprintln(os.Stderr, "run script error", "err", err)
		return err
	}

	if res.Code != saasapi.ErrorCode_SUCC {
		err = fmt.Errorf("run script failed. code:%v, status:%v", res.Code, res.Status)
		fmt.Fprintln(os.Stderr, err)
		return err
	}

	scriptRunRes := res.GetScriptRunRes()
	fmt.Println("ERROROUT_OUTPUT:")
	fmt.Print(scriptRunRes.GetErrorOutput())
	fmt.Println()
	fmt.Println("PRINT_OUTPUT:")
	fmt.Print(scriptRunRes.GetPrintOutput())
	fmt.Println()
	fmt.Println("DATASPACE_OUTPUT:")
	fmt.Print(scriptRunRes.GetDataspaceOut())
	fmt.Println()
	fmt.Println("TARGETS_OUTPUT:")
	fmt.Print(scriptRunRes.GetTargetsOutput())
	return nil
}