//go:build !windows && !darwin

package main

import (
	"fmt"
	"os"
)

func runClient(protocolArg string) {
	identity, err := loadOrCreateIdentity()
	if err != nil {
		showError("DCAuth 初始化失败", err.Error())
		return
	}

	if protocolArg == "" {
		text := fmt.Sprintf(
			"DCAuth v%s\n设备码：%s\n\n设备码用于识别本机设备。\n请从后台登录页点击“验证本机”完成登录。",
			clientVersion,
			identity.deviceID,
		)
		copyToClipboard(identity.deviceID)
		showInfo("DCAuth v"+clientVersion+" 设备信息", text+"\n\n设备码已复制到剪贴板。")
		return
	}

	target, err := parseAuthorizeURL(protocolArg)
	if err != nil {
		showError("DCAuth 协议无效", err.Error())
		return
	}
	app := appRegistry[target.App]
	if !confirm(
		app.DisplayName+" · 本机登录确认",
		fmt.Sprintf("是否确认使用本机设备登录「%s」？\n\n设备码：%s", app.DisplayName, identity.deviceID),
	) {
		return
	}
	if err := submitAuthorization(identity, target); err != nil {
		showError("本机验证失败", err.Error())
		return
	}
	showInfo("本机验证成功", "已确认本机设备，请回到浏览器继续登录。")
}

func showInfo(title, text string) {
	fmt.Printf("[%s]\n%s\n", title, text)
}

func showError(title, text string) {
	fmt.Fprintf(os.Stderr, "[%s]\n%s\n", title, text)
}

func confirm(title, text string) bool {
	fmt.Printf("[%s]\n%s\n[y/N] ", title, text)
	var answer string
	_, _ = fmt.Scanln(&answer)
	return answer == "y" || answer == "Y"
}

func copyToClipboard(text string) {
	_ = text
}