package ctl

import (
	"Yunlot/RunCode/context"
	service "Yunlot/RunCode/service"
	"Yunlot/logs"
	"Yunlot/models/Product"
	context2 "context"
	"fmt"
	context1 "github.com/beego/beego/v2/server/web/context"
	"io/ioutil"
	"net/http"
	"os"
	"strconv"
	"strings"
	"time"
)

var Go_Main string
var Go_MainDATA = "\n// ---DATA---\nvar Data_hex = false\nvar Topic = \"/topic/snxxx1\"\nvar T_string = \"A456\"\nvar R_string = \"495051\"\n"

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
}

// 根据不同语言生成代码   run 运行/编译
func CreateCode(run bool, lang_int int, code string) string {
	switch lang_int {
	case 1: //Goland
		if run {
			code = "package main\n" + code + Go_Main
		} else {
			code = "package main\n" + code + Go_MainDATA + strings.Replace(Go_Main, "func main()", "func mainxx()", -1)
		}
		break
	case 2: // C

		zongjian := "\n*/\nimport \"C\"\n\n/////-------\nimport (\n\t\"encoding/hex\"\n\t\"fmt\"\n\t\"strings\"\n\t\"unsafe\"\n)\n\n/*\n设备->平台\n*/\nfunc T(t string, b []byte) string {\n\tvar r_b *C.char\n\tC.T(C.CString(t), C.CString(string(b)), &r_b)\n\tr_b_ := C.GoString(r_b)\n\tC.free(unsafe.Pointer(r_b)) // Free the memory allocated in C code\n\treturn r_b_\n}\n\n/*\n平台->设备\n*/\nfunc R(sn string, b string) (string, []byte) {\n\tvar r_t,r_b *C.char\n\tC.R(C.CString(sn), C.CString(b), &r_t, &r_b)\n\tr_t_ := C.GoString(r_t)\n\tr_b_ := C.GoString(r_b)\n\tC.free(unsafe.Pointer(r_t)) // Free the memory allocated in C code\n\tC.free(unsafe.Pointer(r_b)) // Free the memory allocated in C code\n\n\treturn r_t_, []byte(r_b_)\n}\n"
		if run {
			code_list := strings.Split(code, "// ---DATA---")
			if len(code_list) != 2 {
				logs.Println("len(code_list) != 2，没找到 【// ---DATA---】 ")
				return code
			}
			code = "package main\n/*\n" + code_list[0] + zongjian + code_list[1] + Go_Main
		} else {
			code = "package main\n/*\n" + code + zongjian + Go_MainDATA + strings.Replace(Go_Main, "func main()", "func mainxx()", -1)
		}
		break
	}

	return code
}

// 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_int, err := strconv.Atoi(ctx.Get("lang", ""))
	if err != nil {
		ctx.Bad("lang 参数不能为空！")
		return
	}
	lang := Product.ProductLangFind(lang_int)

	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
		}

		// 生成代码
		code := CreateCode(true, lang_int, string(body))
		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[3], content_list[2])
			return
		}
		if err == service.TimeoutError {
			ctx.Timeout("运行超时！")
			return
		}

		ctx.Error(string(content))
	}
}

// RunController Post /run?lang={lang}
func BuildController(Output *context1.BeegoOutput, writer http.ResponseWriter, request *http.Request) {
	ctx := &context.Context{Writer: writer, Req: request}
	if !ctx.IsPost() {
		ctx.NotAllow()
		return
	}

	lang_int, err := strconv.Atoi(ctx.Get("lang", ""))
	if err != nil {
		ctx.Bad("lang 参数不能为空！")
		return
	}
	lang := Product.ProductLangFind(lang_int)

	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
		}
		// 生成代码
		code := CreateCode(false, lang_int, string(body))
		//code := "package main\n" + string(body) + strings.Replace(Go_Main, "func main()", "func mainxx()", -1)
		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))
	}
}

func BuildGenerate(ProductProtr *Product.ProductProt) {

	lang := Product.ProductLangFind(ProductProtr.T_lang)

	if lang == "" {
		ProductProtr.T_log += time.Now().Format("2006-01-02 15:04:05") + " 找不到编译语言 \n"
		ProductProtr.T_State = 3
		ProductProtr.Update("T_State", "T_log")
		return
	}

	if !service.DockerRunner.RunnerExists(lang) {
		ProductProtr.T_log += time.Now().Format("2006-01-02 15:04:05") + " 编译语言异常 \n"
		ProductProtr.T_State = 3
		ProductProtr.Update("T_State", "T_log")
		return
	}
	body := ProductProtr.T_text
	if len(body) == 0 {
		ProductProtr.T_log += time.Now().Format("2006-01-02 15:04:05") + " 内容为空 \n"
		ProductProtr.T_State = 3
		ProductProtr.Update("T_State", "T_log")
		return
	}
	// 生成代码
	code := CreateCode(false, ProductProtr.T_lang, 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 {
		ProductProtr.T_log += time.Now().Format("2006-01-02 15:04:05") + " 编译异常：" + string(content) + " \n|-&"
		ProductProtr.T_State = 3
		ProductProtr.Update("T_State", "T_log")
		return
	}
	if err == nil {
		ProductProtr.T_analysis = fmt.Sprintf("%d", name_so)
		ProductProtr.T_log += time.Now().Format("2006-01-02 15:04:05") + " 编译成功! \n|-&"
		ProductProtr.T_State = 1
		ProductProtr.Update("T_analysis", "T_State", "T_log")
		return

	}
	// 编译超时
	//if err == service.TimeoutError {
	//	ctx.Timeout("运行超时！")
	//	return
	//}

	ProductProtr.T_log += time.Now().Format("2006-01-02 15:04:05") + " 编译异常：" + string(content) + " \n"
	ProductProtr.T_State = 3
	ProductProtr.Update("T_State", "T_log")
	return

}