package web

import (
	"errors"
	"net/http"

	"git.keks.cloud/kekskurse/miniauth/pkg/miniauth"
	"github.com/gin-gonic/gin"
)

type WebConfig struct {
	PublicRegistration bool `env:"PUBLIC_REGISTRATION, default=0"`
}

type Web struct {
	config WebConfig
	ma     miniauth.Miniauth
}

func NewWeb(config WebConfig, ma miniauth.Miniauth) Web {
	w := Web{}
	w.config = config
	w.ma = ma
	return w
}

func (w Web) RegisterRoutes(routing *gin.RouterGroup) error {
	routing.GET("/register", w.GetRegisterPage)
	routing.POST("/register", w.PostRegisterPage)
	routing.GET("/login", w.GetLoginPage)
	routing.POST("/login", w.PostLoginPage)
	return nil
}

func (w Web) GetRegisterPage(c *gin.Context) {
	if !w.config.PublicRegistration {
		c.HTML(403, "msg.html", gin.H{"msg": "Public registration disabled"})
		return
	}
	c.HTML(http.StatusOK, "register.html", nil)
}

func (w Web) PostRegisterPage(c *gin.Context) {
	if !w.config.PublicRegistration {
		c.HTML(403, "msg.html", gin.H{"msg": "Public registration disabled"})
		return
	}

	if c.PostForm("password") != c.PostForm("confirm_password") {
		c.HTML(http.StatusOK, "register.html", gin.H{"msg": "Passworts dont match"})
		return
	}

	err := w.ma.RegisterUser(c.PostForm("username"), c.PostForm("email"), c.PostForm("password"))
	if err != nil {
		c.HTML(http.StatusOK, "register.html", gin.H{"msg": err.Error()})
		return
	}

	c.HTML(403, "msg.html", gin.H{"msg": "Your account was created, you can login now"})
}

func (w Web) GetLoginPage(c *gin.Context) {
	c.HTML(http.StatusOK, "login.html", nil)
}

func (w Web) PostLoginPage(c *gin.Context) {
	username := c.PostForm("username")
	password := c.PostForm("password")

	err := w.ma.UserLogin(username, password)
	if err != nil {
		c.HTML(http.StatusOK, "login.html", gin.H{"msg": errors.Unwrap(err).Error()})
		return
	}

	c.HTML(http.StatusOK, "msg.html", gin.H{"msg": "Login ok!"})
}