package controller

import (
	"net/http"

	"github.com/Caknoooo/go-gin-clean-starter/modules/warehouse/dto"
	"github.com/Caknoooo/go-gin-clean-starter/modules/warehouse/query"
	"github.com/Caknoooo/go-gin-clean-starter/modules/warehouse/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 WarehouseController interface {
	Create(ctx *gin.Context)
	Update(ctx *gin.Context)
	Delete(ctx *gin.Context)
	GetById(ctx *gin.Context)
	GetAll(ctx *gin.Context)
}

type warehouseController struct {
	warehouseService service.WarehouseService
	db               *gorm.DB
}

func (w *warehouseController) Create(ctx *gin.Context) {
	// clientId := ctx.MustGet("client_id").(string)
	var req dto.WarehouseCreateRequest
	// req.ClientID = clientId
	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 := w.warehouseService.Create(ctx, req)
	if err != nil {
		res := utils.BuildResponseFailed(dto.MESSAGE_FAILED_CREATE_WAREHOUSE, err.Error(), nil)
		ctx.JSON(http.StatusInternalServerError, res)
		return
	}
	res := utils.BuildResponseSuccess(dto.MESSAGE_SUCCESS_CREATE_WAREHOUSE, created)
	ctx.JSON(http.StatusOK, res)
}

func (w *warehouseController) Update(ctx *gin.Context) {
	id := ctx.Param("id")
	var req dto.WarehouseUpdateRequest
	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 := w.warehouseService.Update(ctx, req, id)
	if err != nil {
		res := utils.BuildResponseFailed(dto.MESSAGE_FAILED_UPDATE_WAREHOUSE, err.Error(), nil)
		ctx.JSON(http.StatusInternalServerError, res)
		return
	}
	res := utils.BuildResponseSuccess(dto.MESSAGE_SUCCESS_UPDATE_WAREHOUSE, updated)
	ctx.JSON(http.StatusOK, res)
}

func (w *warehouseController) Delete(ctx *gin.Context) {
	id := ctx.Param("id")
	if err := w.warehouseService.Delete(ctx, id); err != nil {
		res := utils.BuildResponseFailed(dto.MESSAGE_FAILED_DELETE_WAREHOUSE, err.Error(), nil)
		ctx.JSON(http.StatusInternalServerError, res)
		return
	}
	res := utils.BuildResponseSuccess(dto.MESSAGE_SUCCESS_DELETE_WAREHOUSE, nil)
	ctx.JSON(http.StatusOK, res)
}

func (w *warehouseController) GetById(ctx *gin.Context) {
	id := ctx.Param("id")
	warehouse, err := w.warehouseService.GetById(ctx, id)
	if err != nil {
		res := utils.BuildResponseFailed(dto.MESSAGE_FAILED_GET_WAREHOUSE, err.Error(), nil)
		ctx.JSON(http.StatusNotFound, res)
		return
	}
	res := utils.BuildResponseSuccess(dto.MESSAGE_SUCCESS_GET_WAREHOUSE, warehouse)
	ctx.JSON(http.StatusOK, res)
}

func (w *warehouseController) GetAll(ctx *gin.Context) {
	clientId := ctx.Query("client_id")
	var filter query.WarehouseFilter
	filter.ClientID = clientId
	if err := ctx.ShouldBindQuery(&filter); err != nil {
		res := utils.BuildResponseFailed(dto.MESSAGE_FAILED_GET_WAREHOUSE, err.Error(), nil)
		ctx.JSON(http.StatusBadRequest, res)
		return
	}

	getAll := ctx.Query("get_all")
	if getAll != "" {
		warehouses, _, err := w.warehouseService.GetAll(ctx, filter)
		if err != nil {
			res := utils.BuildResponseFailed(dto.MESSAGE_FAILED_GET_WAREHOUSE, err.Error(), nil)
			ctx.JSON(http.StatusBadRequest, res)
			return
		}
		response := utils.BuildResponseSuccess(dto.MESSAGE_SUCCESS_GET_WAREHOUSE, warehouses)
		ctx.JSON(http.StatusOK, response)
		return
	}

	// Ambil limit & offset dari query param (default: limit=10, offset=0)
	perPage := utils.ParseInt(ctx.DefaultQuery("per_page", "10"))
	page := utils.ParseInt(ctx.DefaultQuery("page", "1"))
	filter.PerPage = perPage
	filter.Page = (page - 1) * perPage
	warehouses, total, err := w.warehouseService.GetAll(ctx, filter)
	if err != nil {
		res := utils.BuildResponseFailed(dto.MESSAGE_FAILED_GET_WAREHOUSE, err.Error(), nil)
		ctx.JSON(http.StatusInternalServerError, res)
		return
	}
	paginationResponse := utils.BuildPaginationResponse(perPage, page, total)
	res := utils.BuildResponseSuccessWithPagination(http.StatusOK, dto.MESSAGE_SUCCESS_GET_WAREHOUSE, warehouses, paginationResponse)
	ctx.JSON(http.StatusOK, res)
}

func NewWarehouseController(i *do.Injector, warehouseService service.WarehouseService) WarehouseController {
	db := do.MustInvokeNamed[*gorm.DB](i, constants.DB)
	return &warehouseController{
		warehouseService: warehouseService,
		db:               db,
	}
}