package handlers

import (
	"net/http"

	"adam-french.co.uk/backend/models"
	"github.com/gin-gonic/gin"
	"golang.org/x/crypto/bcrypt"
)

type UserCredentials struct {
	Username string `json:"username" binding:"required"`
	Password string `json:"password" binding:"required"`
}

func (store *Store) CreateUser(ctx *gin.Context) {
	var input UserCredentials
	if err := ctx.ShouldBindBodyWithJSON(&input); err != nil {
		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		return
	}

	hashedPassword, err := bcrypt.GenerateFromPassword([]byte(input.Password), bcrypt.DefaultCost)
	if err != nil {
		ctx.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}

	user := models.User{Username: input.Username, Password: hashedPassword}
	store.DB.Create(&user)

	// Generate JWT token

	ctx.JSON(http.StatusOK, gin.H{"data": user})
}

func (store *Store) LoginUser(ctx *gin.Context) {
	var input UserCredentials
	if err := ctx.ShouldBindBodyWithJSON(&input); err != nil {
		ctx.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		return
	}

	user := models.User{Username: input.Username}
	if err := store.DB.Where("username = ?", input.Username).First(&user).Error; err != nil {
		ctx.JSON(http.StatusNotFound, gin.H{"error": err.Error()})
		return
	}

	if err := bcrypt.CompareHashAndPassword(user.Password, []byte(input.Password)); err != nil {
		ctx.JSON(http.StatusUnauthorized, gin.H{"error": err.Error()})
		return
	}

	// Generate JWT token

	ctx.JSON(http.StatusAccepted, gin.H{"data": user})
}

func (store *Store) GetUser(ctx *gin.Context) {

}

func (store *Store) GetUsers(ctx *gin.Context) {
	var users []models.User
	if err := store.DB.Find(&users).Error; err != nil {
		ctx.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}
	ctx.JSON(http.StatusOK, gin.H{"data": models.Post{}})
}

func (store *Store) UpdateUser(c *gin.Context) {

}