package ctl

import (
	"Yunlot/RunCode/context"
	service "Yunlot/RunCode/service"
	context2 "context"
	"fmt"
	"io/ioutil"
	"net/http"
	"os"
	"strings"
	"time"
)

var Go_Main string

func init() {
	// 获取 执行文件
	content, err := os.ReadFile("./RunCode/config/main.txt")
	if err != nil {
		panic(any(err))
	}
	//fmt.Println(string(content))
	Go_Main = string(content)
}

// LanguagesController Get /languages
func LanguagesController(writer http.ResponseWriter, request *http.Request) {
	ctx := &context.Context{Writer: writer, Req: request}
	if !ctx.IsGet() {
		ctx.NotAllow()
		return
	}
	var languages []string
	for lang := range service.DockerRunner.Runners {
		languages = append(languages, lang)
	}
	_ = ctx.JSON(http.StatusOK, languages)
	return
}

// RunController Post /run?lang={lang}
func RunController(writer http.ResponseWriter, request *http.Request) {
	ctx := &context.Context{Writer: writer, Req: request}
	if !ctx.IsPost() {
		ctx.NotAllow()
		return
	}
	lang := ctx.Get("lang", "")

	if lang == "" {
		ctx.Bad("lang 参数不能为空！")
		return
	} else {
		if !service.DockerRunner.RunnerExists(lang) {
			ctx.Bad(lang + "语言编译异常！")
			return
		}
		body, _ := ioutil.ReadAll(request.Body)
		if len(body) == 0 {
			ctx.Bad("Body 内容为空！")
			return
		}

		code := "package main\n" + string(body) + Go_Main
		cancelCtx, cancelFn := context2.WithTimeout(context2.Background(), time.Second*time.Duration(service.DockerRunner.Timeout))
		defer cancelFn()

		content, err := service.DockerRunner.Exec(cancelCtx, lang, code)
		if err == nil {
			content_list := strings.Split(string(content), "|-=&")
			fmt.Println("content_list:", content_list)
			if len(content_list) != 4 {
				ctx.Error("解析错误！！！" + string(content))
				return
			}
			ctx.RunOK(lang, "success", content_list[1], content_list[2], content_list[3])
			return
		}
		if err == service.TimeoutError {
			ctx.Timeout("运行超时！")
			return
		}

		ctx.Error(string(content))
	}
}

// RunController Post /run?lang={lang}
func BuildController(writer http.ResponseWriter, request *http.Request) {
	ctx := &context.Context{Writer: writer, Req: request}
	if !ctx.IsPost() {
		ctx.NotAllow()
		return
	}
	lang := ctx.Get("lang", "")

	if lang == "" {
		ctx.Bad("lang 参数不能为空！")
		return
	} else {
		if !service.DockerRunner.RunnerExists(lang) {
			ctx.Bad(lang + "语言编译异常！")
			return
		}
		body, _ := ioutil.ReadAll(request.Body)
		if len(body) == 0 {
			ctx.Bad("Body 内容为空！")
			return
		}

		code := "package main\n" + string(body)
		cancelCtx, cancelFn := context2.WithTimeout(context2.Background(), time.Second*time.Duration(service.DockerRunner.Timeout))
		defer cancelFn()

		name_so := time.Now().UnixMilli()
		//fmt.Println("code:",code)
		content, err := service.DockerRunner.Build(cancelCtx, name_so, lang, code)
		fmt.Println("content:", content)
		if len(content) > 0 {
			ctx.Error(string(content))
			return
		}
		if err == nil {
			ctx.RunOK(lang, fmt.Sprintf("%d", name_so), "", "", "")
			return
		}
		// 编译超时
		//if err == service.TimeoutError {
		//	ctx.Timeout("运行超时！")
		//	return
		//}

		ctx.Error("E:" + string(content))
	}
}