package model

import (
	"time"
)

type (
    ReleaseType string

    Release struct {
        ID              string      `json:"id"`
        Visible         bool        `json:"visible"`
        Title           string      `json:"title"`
        Description     string      `json:"description"`
        ReleaseType     ReleaseType `json:"type" db:"type"`
        ReleaseDate     time.Time   `json:"releaseDate" db:"release_date"`
        Artwork         string      `json:"artwork"`
        Buyname         string      `json:"buyname"`
        Buylink         string      `json:"buylink"`
        Copyright       string      `json:"copyright" db:"copyright"`
        CopyrightURL    string      `json:"copyrightURL" db:"copyrighturl"`
    }

    FullRelease struct {
        *Release
        Tracks      []DisplayTrack  `json:"tracks"`
        Credits     []Credit        `json:"credits"`
        Links       []Link          `json:"links"`
    }

    ReleaseShorthand struct {
        ID              string      `json:"id"`
        Title           string      `json:"title"`
        ReleaseType     ReleaseType `json:"type" db:"type"`
        ReleaseDate     time.Time   `json:"releaseDate" db:"release_date"`
        Artwork         string      `json:"artwork"`
        Buylink         string      `json:"buylink"`
    }
)

const (
    Single      ReleaseType = "single"
    Album       ReleaseType = "album"
    EP          ReleaseType = "EP"
    Compilation ReleaseType = "compilation"
    Upcoming    ReleaseType = "upcoming"
)

// GETTERS

func (release Release) TextReleaseDate() string {
    return release.ReleaseDate.Format("2006-01-02T15:04")
}

func (release Release) PrintReleaseDate() string {
    return release.ReleaseDate.Format("02 January 2006")
}

func (release Release) GetReleaseYear() int {
    return release.ReleaseDate.Year()
}

func (release Release) GetArtwork() string {
    if release.Artwork == "" {
        return "/img/default-cover-art.png"
    }
    return release.Artwork
}

func (release FullRelease) IsSingle() bool {
    return len(release.Tracks) == 1;
}

func (release Release) IsReleased() bool {
    return release.ReleaseDate.Before(time.Now())
}