package handlers

import (
	"net/http"
	"strconv"

	"github.com/labstack/echo/v4"

	"github.com/treytartt/honeydue-api/internal/apperrors"
	"github.com/treytartt/honeydue-api/internal/middleware"
	"github.com/treytartt/honeydue-api/internal/services"
)

// SuggestionHandler handles task suggestion endpoints
type SuggestionHandler struct {
	suggestionService *services.SuggestionService
}

// NewSuggestionHandler creates a new suggestion handler
func NewSuggestionHandler(suggestionService *services.SuggestionService) *SuggestionHandler {
	return &SuggestionHandler{
		suggestionService: suggestionService,
	}
}

// GetSuggestions handles GET /api/tasks/suggestions/?residence_id=X
// Returns task template suggestions scored against the residence's home profile
func (h *SuggestionHandler) GetSuggestions(c echo.Context) error {
	user, err := middleware.MustGetAuthUser(c)
	if err != nil {
		return err
	}

	residenceIDStr := c.QueryParam("residence_id")
	if residenceIDStr == "" {
		return apperrors.BadRequest("error.residence_id_required")
	}

	residenceID, err := strconv.ParseUint(residenceIDStr, 10, 32)
	if err != nil {
		return apperrors.BadRequest("error.invalid_id")
	}

	resp, err := h.suggestionService.GetSuggestions(uint(residenceID), user.ID)
	if err != nil {
		return err
	}

	return c.JSON(http.StatusOK, resp)
}