package server

import (
	"fmt"
	"net/http"

	"git.javil.eu/jacob1123/budgeteer/postgres"
	"git.javil.eu/jacob1123/budgeteer/postgres/numeric"
	"github.com/gin-gonic/gin"
	"github.com/google/uuid"
)

type SetCategoryAssignmentRequest struct {
	Assigned string
}

func (h *Handler) setCategoryAssignment(c *gin.Context) {
	categoryID := c.Param("categoryid")
	categoryUUID, err := uuid.Parse(categoryID)
	if err != nil {
		c.AbortWithStatusJSON(http.StatusBadRequest, ErrorResponse{"categoryid missing from URL"})
		return
	}

	var request SetCategoryAssignmentRequest
	err = c.BindJSON(&request)
	if err != nil {
		c.AbortWithError(http.StatusBadRequest, fmt.Errorf("invalid payload: %w", err))
		return
	}

	date, err := getDate(c)
	if err != nil {
		c.AbortWithError(http.StatusBadRequest, fmt.Errorf("date invalid: %w", err))
		return
	}

	var amount numeric.Numeric
	err = amount.Set(request.Assigned)
	if err != nil {
		c.AbortWithError(http.StatusBadRequest, fmt.Errorf("parse amount: %w", err))
		return
	}

	updateArgs := postgres.UpdateAssignmentParams{
		CategoryID: categoryUUID,
		Date:       date,
		Amount:     amount,
	}
	err = h.Service.UpdateAssignment(c.Request.Context(), updateArgs)
	if err != nil {
		c.AbortWithError(http.StatusInternalServerError, fmt.Errorf("update assignment: %w", err))
		return
	}
}