package api

import (
	"github.com/gin-gonic/gin"
	"github.com/gisle/stufflog/models"
	"github.com/gisle/stufflog/services"
	"github.com/gisle/stufflog/slerrors"
)

func User(g *gin.RouterGroup, auth *services.AuthService) {
	type loginRegisterRequest struct {
		Username string `json:"username"`
		Password string `json:"password"`
	}
	type resObj struct {
		User *models.User `json:"user,omitempty"`
	}

	g.Use(auth.GinSessionMiddleware(false))

	// GET / – Check session
	g.GET("/", func(c *gin.Context) {
		c.JSON(200, resObj{
			User: auth.UserFromContext(c.Request.Context()),
		})
	})

	g.POST("/register", func(c *gin.Context) {
		data := loginRegisterRequest{}
		err := c.BindJSON(&data)
		if err != nil {
			slerrors.GinRespond(c, &slerrors.SLError{Code: 400, Text: err.Error()})
			return
		}

		user, err := auth.Register(c.Request.Context(), data.Username, data.Password)
		if err != nil {
			slerrors.GinRespond(c, err)
			return
		}

		c.JSON(200, resObj{User: user})
	})

	g.POST("/login", func(c *gin.Context) {
		data := loginRegisterRequest{}
		err := c.BindJSON(&data)
		if err != nil {
			slerrors.GinRespond(c, &slerrors.SLError{Code: 400, Text: err.Error()})
			return
		}

		user, session, err := auth.Login(c.Request.Context(), data.Username, data.Password)
		if err != nil {
			slerrors.GinRespond(c, err)
			return
		}

		auth.GinSaveSession(c, *session)

		c.JSON(200, resObj{User: user})
	})

	g.POST("/logout", func(c *gin.Context) {
		err := auth.Logout(c.Request.Context())
		if err != nil {
			slerrors.GinRespond(c, err)
			return
		}

		auth.GinClearSession(c)

		c.JSON(200, resObj{})
	})
}