package handler

import (
	"net/http"

	"github.com/gin-gonic/gin"
	"github.com/muyuqingfeng/iloom/shared/pkg/response"
	ws "github.com/muyuqingfeng/iloom/shared/pkg/websocket"
	"github.com/muyuqingfeng/iloom/textile-service/internal/service"
)

type InventoryHandler struct {
	svc   *service.InventoryService
	wsHub *ws.Hub
}

type InboundRequest struct {
	WarehouseID       string  `json:"warehouse_id" binding:"required"`
	Quantity          float64 `json:"quantity" binding:"required,gt=0"`
	Rolls             int     `json:"rolls"`
	PricePerMeter     float64 `json:"price_per_meter"`
	PriceNote         string  `json:"price_note"`
	WarehouseLocation string  `json:"warehouse_location"`
}

func NewInventoryHandler(svc *service.InventoryService, wsHub *ws.Hub) *InventoryHandler {
	return &InventoryHandler{svc: svc, wsHub: wsHub}
}

func (h *InventoryHandler) Inbound(c *gin.Context) {
	companyID := c.GetHeader("X-Company-ID")
	userID := c.GetHeader("X-User-ID")
	if companyID == "" || userID == "" {
		response.BadRequest(c, "missing required headers")
		return
	}

	planID := c.Param("id")

	var req InboundRequest
	if err := c.ShouldBindJSON(&req); err != nil {
		response.BadRequest(c, err.Error())
		return
	}

	rec, err := h.svc.Inbound(c.Request.Context(), planID, companyID, userID, service.InboundRequest{
		WarehouseID:       req.WarehouseID,
		Quantity:          req.Quantity,
		Rolls:             req.Rolls,
		PricePerMeter:     req.PricePerMeter,
		PriceNote:         req.PriceNote,
		WarehouseLocation: req.WarehouseLocation,
	})
	if err != nil {
		response.InternalError(c, err.Error())
		return
	}

	h.wsHub.BroadcastToCompany(companyID, &ws.Event{
		Table:  "inventory_records",
		Action: "INSERT",
	})

	c.JSON(http.StatusCreated, response.Response{
		Code:    0,
		Message: "success",
		Data:    rec,
	})
}

func (h *InventoryHandler) List(c *gin.Context) {
	planID := c.Param("id")

	records, err := h.svc.ListByPlan(c.Request.Context(), planID)
	if err != nil {
		response.InternalError(c, err.Error())
		return
	}

	response.OK(c, records)
}