package logic

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

const SLOTS_PER_BINDER_PAGE = 18 // TODO: Make this configurable

func GetBinderLocationDescription(position int) string {
	var page int = ((position - 1) / SLOTS_PER_BINDER_PAGE) + 1

	var pagePosition int = position % SLOTS_PER_BINDER_PAGE
	if pagePosition == 0 {
		pagePosition = SLOTS_PER_BINDER_PAGE
	}

	var slot int
	var frontOrBack string

	if pagePosition <= (SLOTS_PER_BINDER_PAGE / 2) {
		slot = pagePosition
		frontOrBack = "front"
	} else {
		slot = pagePosition - (SLOTS_PER_BINDER_PAGE / 2)
		frontOrBack = "back"
	}

	return fmt.Sprintf(" on page %d in %s slot %d", page, frontOrBack, slot)
}

func GetCardAtLocation(db *sql.DB, cardLocationId int) (database.LocateCardResult, error) {
	var result database.LocateCardResult

	result, err := database.GetLocateResultByCardLocationId(db, cardLocationId)
	if err != nil {
		return result, err
	}

	return result, nil
}

func LocateCards(db *sql.DB, cardNames []string, criteria SearchCriteria) ([]database.LocateCardResult, error) {
	results, err := database.GetLocateResults(db, cardNames)
	if err != nil {
		return results, err
	}

	var filteredResults []database.LocateCardResult

	for _, result := range results {
		printing := database.CardPrinting{
			SetCode:  result.SetCode,
			IsFoil:   result.IsFoil,
			IsPromo:  result.IsPromo,
			Language: result.Language,
		}

		filter := filterPrinting(printing, criteria)
		if filter {
			continue
		}

		filteredResults = append(filteredResults, result)
	}

	return filteredResults, nil
}

func GetLocationDescription(location database.LocateCardResult) string {
	var description string

	description = fmt.Sprintf("%s (%s %s) [%s]",
		location.CardName,
		location.SetCode,
		location.CollectorNumber,
		location.Language)

	if location.IsFoil {
		description += " FOIL"
	}
	if location.IsPromo {
		description += " PROMO"
	}

	description += fmt.Sprintf(" in %s \"%s\"",
		location.StorageAreaType,
		location.StorageAreaName)

	if location.StorageAreaType == "Binder" {
		description += GetBinderLocationDescription(location.Position)
	} else if location.StorageAreaType == "Box" {
		description += fmt.Sprintf(" at position %d", location.Position)
	}

	return description
}