package model

import (
	"strings"
	"testing"
	"time"

	"gotest.tools/v3/assert"
)

func Test_Release(t *testing.T) {
    t.Run("prints correct description HTML", func(t *testing.T) {
        release := Release{
            Description: "this is\na test\n<strong>description!</strong>",
        }

        // descriptions are set by privileged users,
        // so we'll allow HTML injection here
        assert.Equal(
            t,
            string(release.GetDescriptionHTML()),
            "this is<br>a test<br><strong>description!</strong>",
        )
    })

    t.Run("prints correct release date", func(t *testing.T) {
        release := Release{
            ReleaseDate: time.Date(2025, time.July, 26, 16, 0, 0, 0, time.UTC),
        }

        assert.Equal(t, release.TextReleaseDate(), "2025-07-26T16:00")
        assert.Equal(t, release.PrintReleaseDate(), "26 July 2025")
    })

    t.Run("returns correct artwork", func(t *testing.T) {
        artwork := "testartwork.png"
        release := Release{ Artwork: artwork }
        assert.Equal(t, release.GetArtwork(), artwork)
    })

    t.Run("returns placeholder artwork when empty", func(t *testing.T) {
        release := Release{}
        assert.Equal(t, release.GetArtwork(), "/img/default-cover-art.png")
    })

    t.Run("singles", func(t *testing.T) {
        release := Release{
            Tracks: []*Track{},
        }

        t.Run("false when no tracks are present", func(t *testing.T) {
            assert.Equal(t, release.IsSingle(), false)
        })

        release.Tracks = append(release.Tracks, &Track{})
        t.Run("true when one track is present", func(t *testing.T) {
            assert.Equal(t, release.IsSingle(), true)
        })

        release.Tracks = append(release.Tracks, &Track{})
        t.Run("false when >1 tracks are present", func(t *testing.T) {
            assert.Equal(t, release.IsSingle(), false)
        })
    })

    t.Run("released", func(t *testing.T) {
        release := Release {
            ReleaseDate: time.Now(),
        }

        t.Run("true when release date in the past", func(t *testing.T) {
            assert.Equal(t, release.IsReleased(), true)
        })

        release.ReleaseDate = time.Now().Add(time.Hour)
        t.Run("false when release date in the future", func(t *testing.T) {
            assert.Equal(t, release.IsReleased(), false)
        })
    })

    t.Run("printing artists", func(t *testing.T) {
        artist1 := "ari melody"
        artist2 := "aridoodle"
        artist3 := "idk"
        artist4 := "guest"

        release := Release{}
        t.Run("prints \"Unknown Artist\" when release has no credits", func(t *testing.T) {
            assert.Equal(t, release.PrintArtists(false, true), "Unknown Artist")
        })

        release.Credits = append(
            release.Credits, 
            &Credit{ Artist: Artist{ Name: artist1 }, Primary: true },
        )
        t.Run("prints ONLY first artist name when release has one credit", func(t *testing.T) {
            assert.Equal(t, release.PrintArtists(false, true), artist1)
        })

        release.Credits = append(release.Credits, []*Credit{
                { Artist: Artist{ Name: artist2 }, Primary: true },
                { Artist: Artist{ Name: artist3 }, Primary: false },
                { Artist: Artist{ Name: artist4 }, Primary: true },
        }...)
        t.Run("can get only unique primary artist names", func(t *testing.T) {
            assert.Equal(
                t,
                strings.Join(release.GetUniqueArtistNames(true), " "),
                strings.Join([]string{ artist1, artist2, artist4 }, " "),
            )
        })
        t.Run("can get only unique artist names", func(t *testing.T) {
            assert.Equal(
                t,
                strings.Join(release.GetUniqueArtistNames(false), " "),
                strings.Join([]string{ artist1, artist2, artist3, artist4 }, " "),
            )
        })

        t.Run("can print only primary artists, with ampersands", func(t *testing.T) {
            assert.Equal(
                t,
                release.PrintArtists(true, true),
                "ari melody, aridoodle & guest",
            )
        })
        t.Run("can print only primary artists, without ampersands", func(t *testing.T) {
            assert.Equal(
                t,
                release.PrintArtists(true, false),
                "ari melody, aridoodle, guest",
            )
        })
        t.Run("can print all artists, with ampersands", func(t *testing.T) {
            assert.Equal(
                t,
                release.PrintArtists(false, true),
                "ari melody, aridoodle, idk & guest",
            )
        })
        t.Run("can print all artists, without ampersands", func(t *testing.T) {
            assert.Equal(
                t,
                release.PrintArtists(false, false),
                "ari melody, aridoodle, idk, guest",
            )
        })
    })
}