package gothub

import (
	"fmt"
	"os"

	"github.com/spf13/cobra"
)

var setupCmd = &cobra.Command{
	Use:   "setup",
	Short: "Interactive GotHub instance setup wizard",
	Long:  `This command allows you to setup your GotHub instance in an interactive way. It will ask you a few questions and then set environment variables for you.`,
	Run: func(cmd *cobra.Command, args []string) {
		setup()
	},
}

func init() {
	rootCmd.AddCommand(setupCmd)
}

type Vars struct {
	IPLogging         bool
	URLLogging        bool
	UserAgentLogging  bool
	DiagnosticLogging bool
	PrivacyPolicy     string
	InstanceCountry   string
	InstanceProvider  string
	CloudflareStatus  string
}

func setup() {
	fmt.Println("GotHub setup wizard")
	fmt.Println("This wizard will help you setup your GotHub instance.")

	// Docker check
	if os.Getenv("DOCKER") == "true" {
		fmt.Println("You are running GotHub in Docker. This wizard will not work in Docker. Please set the environment variables manually.")
		os.Exit(1)
	}

	// set up variables
	vars := Vars{}

	// ask user for information about IP logging
	fmt.Print("Do you log IP addresses of users? (y/n) ")
	var ipLogging string
	fmt.Scanln(&ipLogging)
	if ipLogging == "y" {
		// create environment variable
		vars.IPLogging = true
	} else {
		// create environment variable
		vars.IPLogging = false
	}

	// ask user for information about URL request logging
	fmt.Print("Do you log URL requests of users? (y/n) ")
	var urlLogging string
	fmt.Scanln(&urlLogging)
	if urlLogging == "y" {
		vars.URLLogging = true
	} else {
		vars.URLLogging = false
	}

	// ask user for information about User-Agent logging
	fmt.Print("Do you log your users User-Agent? (y/n) ")
	var uaLogging string
	fmt.Scanln(&uaLogging)
	if uaLogging == "y" {
		vars.UserAgentLogging = true
	} else {
		vars.UserAgentLogging = false
	}

	// ask user for information about diagnostic information logging
	fmt.Print("Do you log diagnostic information? (y/n) ")
	var diagLogging string
	fmt.Scanln(&diagLogging)
	if diagLogging == "y" {
		vars.DiagnosticLogging = true
	} else {
		vars.DiagnosticLogging = false
	}

	// ask user about privacy policy
	fmt.Print("Do you have a privacy policy? (y/n) ")
	var privacyPolicy string
	fmt.Scanln(&privacyPolicy)
	if privacyPolicy == "y" {
		// ask user for privacy policy URL
		fmt.Print("Please enter the URL of your privacy policy. ")
		var privacyPolicyURL string
		fmt.Scanln(&privacyPolicyURL)
		vars.PrivacyPolicy = privacyPolicyURL
	} else {
		vars.PrivacyPolicy = ""
	}

	// ask user about the country they're hosting from
	fmt.Print("Please enter the country you're hosting from. ")
	var country string
	fmt.Scanln(&country)
	if country != "" {
		vars.InstanceCountry = country
	} else {
		vars.InstanceCountry = ""
	}

	// ask user about their ISP/Hosting provider
	fmt.Print("Please enter your ISP/Hosting provider. ")
	var isp string
	fmt.Scanln(&isp)
	if isp != "" {
		vars.InstanceProvider = isp
	} else {
		vars.InstanceProvider = ""
	}

	// ask user about Cloudflare status
	fmt.Print("Are you using Cloudflare? (y/n) ")
	var cloudflare string
	fmt.Scanln(&cloudflare)
	if cloudflare == "y" {
		vars.CloudflareStatus = "true"
	} else {
		vars.CloudflareStatus = "false"
	}

	// save to .env file
	fmt.Println("Saving environment variables to .env file...")
	f, err := os.Create(".env")
	if err != nil {
		fmt.Println("Error creating .env file: ", err)
		os.Exit(1)
	}
	defer f.Close()

	// write to file. make it look nice
	f.WriteString("# GotHub environment variables\n")
	f.WriteString("# This file was generated by the setup wizard. You can edit it manually if you want.\n")
	f.WriteString("GOTHUB_SETUP_COMPLETE=true\n")
	f.WriteString("GOTHUB_IP_LOGGED=" + fmt.Sprint(vars.IPLogging) + "\n")
	f.WriteString("GOTHUB_REQUEST_URL_LOGGED=" + fmt.Sprint(vars.URLLogging) + "\n")
	f.WriteString("GOTHUB_USER_AGENT_LOGGED=" + fmt.Sprint(vars.UserAgentLogging) + "\n")
	f.WriteString("GOTHUB_DIAGNOSTIC_INFO_LOGGED=" + fmt.Sprint(vars.DiagnosticLogging) + "\n")
	f.WriteString("GOTHUB_INSTANCE_PRIVACY_POLICY=" + vars.PrivacyPolicy + "\n")
	f.WriteString("GOTHUB_INSTANCE_COUNTRY=" + vars.InstanceCountry + "\n")
	f.WriteString("GOTHUB_INSTANCE_PROVIDER=" + vars.InstanceProvider + "\n")
	f.WriteString("GOTHUB_INSTANCE_CLOUDFLARE=" + vars.CloudflareStatus)

	println("All done! You can now start your GotHub instance with 'gothub serve'.")
	println("You can review the environment variables with 'gothub env'.")
}