package routes

import (
	"devops/entities"
	"errors"
	"net/http"
	
	"gorm.io/gorm"
	"zestack.dev/misc"
	"zestack.dev/slim"
)

func handleLogin(c slim.Context) error {
	var req struct {
		Username string `json:"username" form:"username"`
		Password string `json:"password" form:"password"`
	}
	if err := c.Bind(&req); err != nil {
		return err
	}
	if req.Username == "" {
		return c.Redirect(http.StatusMovedPermanently, "/login?error=用户名不能为空")
	}
	if req.Password == "" {
		return c.Redirect(http.StatusMovedPermanently, "/login?error=登录密码不能为空")
	}
	var user entities.User
	err := db.
		Model(&entities.User{}).
		Where("username", req.Username).
		First(&user).
		Error
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return c.Redirect(http.StatusMovedPermanently, "/login?error=用户名或密码错误")
		}
		return err
	}
	if !misc.PasswordVerify(req.Password, user.Password) {
		return c.Redirect(http.StatusMovedPermanently, "/login?error=用户名或密码错误")
	}
	sess, err := store.Get(c.Request(), "session-key")
	if err != nil {
		return err
	}
	sess.Values["user"] = &user
	err = sess.Save(c.Request(), c.Response())
	if err != nil {
		return err
	}
	return c.Redirect(http.StatusMovedPermanently, "/")
}