package main

import (
	"regexp"
	"strings"
	"time"

	"golang.org/x/text/transform"
	"golang.org/x/text/unicode/norm"
)

// An AlbumState describe the state of an Album
type AlbumState int

const (
	NEW     AlbumState = iota // 0
	MINT                      // 1
	GOOD                      // 2
	AVERAGE                   // 3
	BAD                       // 4
)

// An Album is the core object in our system
//
// This is basically the data we store on bdgest.com, and that we want
// in our system to be retrieve from
type Album struct {
	ID     uint64
	ISBN   string
	Series string
	Title  string
	Num    int
	NumA   string
	State  AlbumState

	Author     string
	Editor     string
	Collection string
	SatID      string

	LegalDeposit time.Time
	PrintDate    time.Time
}

var endDelim = regexp.MustCompile(` \(.*\)\z`)
var wordBoundaries = regexp.MustCompile(`[^[:alnum:]]+`)
var punctuation = regexp.MustCompile(`[!?\.:;,]`)

func sanitizeTitleString(title string, removeEndParent bool) string {
	// first sanitize accuented characters.
	isOk := func(r rune) bool {
		return r < 32 || r >= 127
	}
	// The isOk filter is such that there is no need to chain to norm.NFC
	t := transform.Chain(norm.NFKD, transform.RemoveFunc(isOk))
	// This Transformer could also trivially be applied as an io.Reader
	// or io.Writer filter to automatically do such filtering when reading
	// or writing data anywhere.
	title, _, _ = transform.String(t, title)
	//Now we remove all punctuation
	if removeEndParent == true {
		title = endDelim.ReplaceAllString(title, "")
	}

	return strings.Trim(wordBoundaries.ReplaceAllString(punctuation.ReplaceAllString(title, ""), "-"), "-")
}

func (*Album) GetBedethequeComURI() string {
	return ""
}

// An AlbumDescription is a more complete BD description
//
// It holds data that can be fetched from bedetheque.com
type AlbumDescription struct {
	Album *Album

	HasCover    bool
	Description string
	Note        float64

	Scenarist string
	Designer  string
	Colorist  string
	Cycle     string
	Format    string
	Pages     int32

	Created time.Time
}