package controller

import (
	"net/http"
	"simplycpq/models"
	"simplycpq/services"
	"strconv"

	"github.com/gin-gonic/gin"
)

type ProductController struct {
	productService      *services.ProductService
	productGroupService *services.ProductGroupService
	valueService        *services.ValueService
}

func NewProductController(productService *services.ProductService, productGroupService *services.ProductGroupService, valueService *services.ValueService) *ProductController {
	return &ProductController{
		productService:      productService,
		productGroupService: productGroupService,
		valueService:        valueService,
	}
}

func (pc *ProductController) CreateProduct(c *gin.Context) {
	var product models.Product
	if err := c.ShouldBindJSON(&product); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		return
	}
	createdProduct, err := pc.productService.CreateProduct(&product)
	if err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}
	c.JSON(http.StatusOK, gin.H{"status": "product created successfully", "data": createdProduct})
}

func (pc *ProductController) UpdateProduct(c *gin.Context) {
	var product models.Product
	if err := c.ShouldBindJSON(&product); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		return
	}
	if err := pc.productService.UpdateProduct(&product); err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}
	c.JSON(http.StatusOK, gin.H{"status": "product updated successfully"})
}

func (pc *ProductController) DeleteProduct(c *gin.Context) {
	id, err := strconv.Atoi(c.Param("id"))
	if err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid product id"})
		return
	}
	if err := pc.productService.DeleteProduct(id); err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}
	c.JSON(http.StatusOK, gin.H{"status": "product deleted successfully"})
}

func (pc *ProductController) GetProduct(c *gin.Context) {
	id, err := strconv.Atoi(c.Param("id"))
	if err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid product id"})
		return
	}
	product, err := pc.productService.GetProductById(id)
	if err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}
	c.JSON(http.StatusOK, gin.H{"status": "product retrieved successfully", "product": product})
}

func (pc *ProductController) GetProductsByGroupId(c *gin.Context) {
	groupId, err := strconv.Atoi(c.Param("groupId"))
	if err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid group id"})
		return
	}
	products, err := pc.productService.GetProductsByGroupId(groupId)
	if err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}
	c.JSON(http.StatusOK, gin.H{"status": "products retrieved successfully", "groupId": groupId, "products": products})
}

func (pc *ProductController) AddPropertyToProductId(c *gin.Context) {
	productId, err := strconv.Atoi(c.Param("productId"))
	if err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid product id"})
		return
	}
	propertyId, err := strconv.Atoi(c.Param("propertyId"))
	if err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid property id"})
		return
	}
	if err := pc.productService.AddPropertyToProduct(productId, propertyId); err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}
	c.JSON(http.StatusOK, gin.H{"status": "property added to product successfully", "productId": productId, "propertyId": propertyId})
}

func (pc *ProductController) DeletePropertyFromProductId(c *gin.Context) {
	productId, err := strconv.Atoi(c.Param("productId"))
	if err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid product id"})
		return
	}
	propertyId, err := strconv.Atoi(c.Param("propertyId"))
	if err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid property id"})
		return
	}
	if err := pc.productService.DeletePropertyFromProduct(productId, propertyId); err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}
	c.JSON(http.StatusOK, gin.H{"status": "property deleted from product successfully", "productId": productId, "propertyId": propertyId})
}

func (pc *ProductController) GetPropertiesFromProductId(c *gin.Context) {
	productId, err := strconv.Atoi(c.Param("productId"))
	if err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid product id"})
		return
	}
	properties, err := pc.productService.GetPropertiesFromProduct(productId)
	if err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}
	c.JSON(http.StatusOK, gin.H{"status": "properties retrieved from product successfully", "productId": productId, "properties": properties})
}