package main

import (
	"fmt"
	"log"
)

type (
	SettingsService struct {
		db *DB
	}
)

var Settings map[string]string = map[string]string{
	"FoodDaysLookback":             "7",
	"FoodAggregatedDaysLookback":   "7",
	"WeightDaysLookback":           "7",
	"WeightAggregatedDaysLookback": "7",
}

func (s *SettingsService) LoadSettings() (map[string]string, error) {
	if s.db == nil || !s.db.Ready {
		return Settings, fmt.Errorf("cannot load Settings, db is nil or is not ready")
	}

	for key := range Settings {
		var value string
		err := s.db.readConn.QueryRow("SELECT value FROM settings WHERE key = ?", key).Scan(&value)
		if err != nil {
			Error.Printf("error getting setting for key %s: %++v", key, err)
			continue
		}
		log.Println(key, value)
	}

	return Settings, nil
}