package main

import (
	"fmt"
	"net/http"
	"os"
	"time"

	"github.com/gin-gonic/gin"
)

func main() {
	r := gin.Default()

	r.GET("/", func(c *gin.Context) {
		username := readInputs()
		c.String(http.StatusOK, fmt.Sprintf("username is %s\n", username))

		err := writeOutputs("time", time.Now().Format("2006-01-02 15:04:05"))
		if err != nil {
			c.String(http.StatusInternalServerError, fmt.Sprintf("Error: %v\n", err))
			return
		}
	})

	r.Run() // 默认在 0.0.0.0:8080 启动服务
}

func readInputs() string {
	username := os.Getenv("INPUT_USERNAME")
	return username
}

func writeOutputs(k, v string) (err error) {
	msg := fmt.Sprintf("%s=%s", k, v)
	outputFilepath := os.Getenv("GITHUB_OUTPUT")
	f, err := os.OpenFile(outputFilepath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
	if err != nil {
		return
	}
	defer func() {
		if cErr := f.Close(); cErr != nil && err == nil {
			err = cErr
		}
	}()
	if _, err = f.Write([]byte(msg)); err != nil {
		return
	}
	return
}