package logic

import (
	"database/sql"
	"sevenkeys/database"
)

type StorageAreaSearchOptions map[string]int

func CreateStorageArea(db *sql.DB, storageArea database.StorageArea) error {
	// TODO: Check if there's already a storage are with the same name
	// TODO: Check if the type entered is valid
	err := database.InsertStorageArea(db, storageArea)
	if err != nil {
		return err
	}

	return nil
}

func GetStorageAreaSearchOptions(db *sql.DB) (StorageAreaSearchOptions, error) {
	var options StorageAreaSearchOptions

	storageAreas, err := database.GetAllStorageAreas(db)
	if err != nil {
		return options, err
	}

	for _, area := range storageAreas {
		options[area.Name] = area.Id
	}

	return options, nil
}

func StoreAfterLastCard(db *sql.DB, cardLocation database.CardLocation) error {
	lastPosition, err := database.GetLastPositionInStorageArea(db, cardLocation.StorageAreaId)
	if err != nil {
		return err
	}

	cardLocation.Position = lastPosition + 1

	err = database.InsertCardLocation(db, cardLocation)
	if err != nil {
		return err
	}

	return nil
}

func StoreInEmptySlot(db *sql.DB, cardLocation database.CardLocation, cardLocationId int) error {
	cardLocation.Id = cardLocationId
	err := database.InsertCardInExistingLocation(db, cardLocation)
	if err != nil {
		return err
	}

	return nil
}

func StoreCard(db *sql.DB, cardLocation database.CardLocation) error {
	storageAreaType, err := database.GetStorageAreaTypeById(db, cardLocation.StorageAreaId)
	if err != nil {
		return err
	}

	if storageAreaType == database.StorageAreaTypeBinder {
		nextEmptySlotId, err := database.GetNextEmptySlotInBinder(db, cardLocation.StorageAreaId)

		if err == sql.ErrNoRows {
			err = StoreAfterLastCard(db, cardLocation)
			if err != nil {
				return err
			}
		} else if err != nil {
			return err
		} else {
			err = StoreInEmptySlot(db, cardLocation, nextEmptySlotId)
			if err != nil {
				return err
			}
		}

		return nil
	}

	err = StoreAfterLastCard(db, cardLocation)
	if err != nil {
		return err
	}
	return nil
}