package controller

import (
	"net/http"

	"github.com/Caknoooo/go-gin-clean-starter/modules/category/dto"
	"github.com/Caknoooo/go-gin-clean-starter/modules/category/query"
	"github.com/Caknoooo/go-gin-clean-starter/modules/category/service"
	"github.com/Caknoooo/go-gin-clean-starter/pkg/constants"
	"github.com/Caknoooo/go-gin-clean-starter/pkg/utils"
	"github.com/gin-gonic/gin"
	"github.com/samber/do"
	"gorm.io/gorm"
)

type CategoryController interface {
	Create(ctx *gin.Context)
	Update(ctx *gin.Context)
	Delete(ctx *gin.Context)
	GetById(ctx *gin.Context)
	GetAll(ctx *gin.Context)
}

type categoryController struct {
	categoryService service.CategoryService
	db              *gorm.DB
}

func NewCategoryController(i *do.Injector, categoryService service.CategoryService) CategoryController {
	db := do.MustInvokeNamed[*gorm.DB](i, constants.DB)
	return &categoryController{
		categoryService: categoryService,
		db:              db,
	}
}

func (c *categoryController) Create(ctx *gin.Context) {
	var req dto.CategoryCreateRequest
	if err := ctx.ShouldBindJSON(&req); err != nil {
		res := utils.BuildResponseFailed(dto.MESSAGE_FAILED_GET_DATA_FROM_BODY, err.Error(), nil)
		ctx.JSON(http.StatusBadRequest, res)
		return
	}
	created, err := c.categoryService.Create(ctx, req)
	if err != nil {
		res := utils.BuildResponseFailed(dto.MESSAGE_FAILED_CREATE_CATEGORY, err.Error(), nil)
		ctx.JSON(http.StatusInternalServerError, res)
		return
	}
	res := utils.BuildResponseSuccess(dto.MESSAGE_SUCCESS_CREATE_CATEGORY, created)
	ctx.JSON(http.StatusOK, res)
}

func (c *categoryController) Update(ctx *gin.Context) {
	id := ctx.Param("id")
	var req dto.CategoryUpdateRequest
	if err := ctx.ShouldBindJSON(&req); err != nil {
		res := utils.BuildResponseFailed(dto.MESSAGE_FAILED_GET_DATA_FROM_BODY, err.Error(), nil)
		ctx.JSON(http.StatusBadRequest, res)
		return
	}
	updated, err := c.categoryService.Update(ctx, req, id)
	if err != nil {
		res := utils.BuildResponseFailed(dto.MESSAGE_FAILED_UPDATE_CATEGORY, err.Error(), nil)
		ctx.JSON(http.StatusInternalServerError, res)
		return
	}
	res := utils.BuildResponseSuccess(dto.MESSAGE_SUCCESS_UPDATE_CATEGORY, updated)
	ctx.JSON(http.StatusOK, res)
}

func (c *categoryController) Delete(ctx *gin.Context) {
	id := ctx.Param("id")
	if err := c.categoryService.Delete(ctx, id); err != nil {
		res := utils.BuildResponseFailed(dto.MESSAGE_FAILED_DELETE_CATEGORY, err.Error(), nil)
		ctx.JSON(http.StatusInternalServerError, res)
		return
	}
	res := utils.BuildResponseSuccess(dto.MESSAGE_SUCCESS_DELETE_CATEGORY, nil)
	ctx.JSON(http.StatusOK, res)
}

func (c *categoryController) GetById(ctx *gin.Context) {
	id := ctx.Param("id")
	category, err := c.categoryService.GetById(ctx, id)
	if err != nil {
		res := utils.BuildResponseFailed(dto.MESSAGE_FAILED_GET_CATEGORY, err.Error(), nil)
		ctx.JSON(http.StatusNotFound, res)
		return
	}
	res := utils.BuildResponseSuccess(dto.MESSAGE_SUCCESS_GET_CATEGORY, category)
	ctx.JSON(http.StatusOK, res)
}

func (c *categoryController) GetAll(ctx *gin.Context) {
	clientId := ctx.MustGet("client_id").(string)
	var filter query.CategoryFilter
	filter.ClientID = clientId
	if err := ctx.ShouldBindQuery(&filter); err != nil {
		res := utils.BuildResponseFailed(dto.MESSAGE_FAILED_GET_CATEGORY, err.Error(), nil)
		ctx.JSON(http.StatusBadRequest, res)
		return
	}
	perPage := utils.ParseInt(ctx.DefaultQuery("per_page", "10"))
	page := utils.ParseInt(ctx.DefaultQuery("page", "1"))
	filter.PerPage = perPage
	filter.Page = (page - 1) * perPage
	categories, total, err := c.categoryService.GetAll(ctx, filter)
	if err != nil {
		res := utils.BuildResponseFailed(dto.MESSAGE_FAILED_GET_CATEGORY, err.Error(), nil)
		ctx.JSON(http.StatusBadRequest, res)
		return
	}
	paginationResponse := utils.BuildPaginationResponse(perPage, page, total)
	response := utils.BuildResponseSuccessWithPagination(http.StatusOK, dto.MESSAGE_SUCCESS_GET_CATEGORY, categories, paginationResponse)
	ctx.JSON(http.StatusOK, response)
}