package api

import (
	"database/sql"
	"net/http"

	db "git.nochill.in/nochill/naice_pos/db/sqlc"
	"git.nochill.in/nochill/naice_pos/token"
	"github.com/gin-gonic/gin"
	"github.com/google/uuid"
)

type createProductCategoryRequest struct {
	MerchantID uuid.UUID `json:"merchant_id" binding:"required"`
	Name       string    `json:"name" binding:"required"`
}

func (server *Server) createProductCategory(ctx *gin.Context) {
	var req createProductCategoryRequest

	if err := ctx.ShouldBindJSON(&req); err != nil {
		ctx.JSON(http.StatusBadRequest, errorResponse(err, ""))
		return
	}

	authPayload := ctx.MustGet(authorizationPayloadKey).(*token.Payload)
	arg := db.CreateProductCategoryParams{
		MerchantID: authPayload.MerchantID,
		Name:       req.Name,
	}

	ProductCategory, err := server.store.CreateProductCategory(ctx, arg)
	if err != nil {
		ctx.JSON(http.StatusInternalServerError, errorResponse(err, ""))
		return
	}

	ctx.JSON(http.StatusOK, ProductCategory)
}

type listProductCategoriesRequest struct {
	PageID   int32 `form:"page_id" binding:"required,min=1"`
	PageSize int32 `form:"page_size" binding:"required,min=5"`
}

func (server *Server) listProductCategories(ctx *gin.Context) {
	var req listProductCategoriesRequest
	if err := ctx.ShouldBindQuery(&req); err != nil {
		ctx.JSON(http.StatusBadRequest, errorResponse(err, ""))
		return
	}

	authPayload := ctx.MustGet(authorizationPayloadKey).(*token.Payload)
	arg := db.ListProductCategoriesByMerchantIDParams{
		MerchantID: authPayload.MerchantID,
		Limit:      req.PageSize,
		Offset:     (req.PageID - 1) * req.PageSize,
	}

	ProductCategories, err := server.store.ListProductCategoriesByMerchantID(ctx, arg)
	if err != nil {
		ctx.JSON(http.StatusInternalServerError, errorResponse(err, ""))
		return
	}

	ctx.JSON(http.StatusOK, ProductCategories)
}

type updateProductCategoryRequest struct {
	ProductCategoryID uuid.UUID `json:"ProductCategory_id" binding:"required"`
	Name              string    `json:"name" binding:"required"`
}

func (server *Server) updateProductCategory(ctx *gin.Context) {
	var req updateProductCategoryRequest
	if err := ctx.ShouldBindJSON(&req); err != nil {
		ctx.JSON(http.StatusBadRequest, errorResponse(err, ""))
		return
	}

	arg := db.UpdateProductCategoryParams{
		ID:   req.ProductCategoryID,
		Name: req.Name,
	}

	ProductCategory, err := server.store.UpdateProductCategory(ctx, arg)
	if err != nil {
		if err == sql.ErrNoRows {
			ctx.JSON(http.StatusNotFound, errorResponse(err, ""))
			return
		}
		ctx.JSON(http.StatusInternalServerError, errorResponse(err, ""))
		return
	}

	ctx.JSON(http.StatusOK, ProductCategory)
}