refactor: consolidate download domain into download package

internal/download/info.go

@@ -0,0 +1,111 @@
+package download
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/mathismqn/godeez/internal/deezer"
+)
+
+func resourceInfo(resource deezer.Resource) string {
+	switch r := resource.(type) {
+	case *deezer.Album:
+		return albumInfo(r)
+	case *deezer.Playlist:
+		return playlistInfo(r)
+	case *deezer.Artist:
+		return artistInfo(r)
+	case *deezer.Single:
+		return singleInfo(r)
+	}
+
+	return ""
+}
+
+func albumInfo(a *deezer.Album) string {
+	duration, err := strconv.Atoi(a.Results.Data.Duration)
+	if err != nil {
+		duration = 0
+	}
+
+	return fmt.Sprintf(
+		`================= [ Album Info ] =================
+Title:    %s
+Artist:   %s
+Tracks:   %d
+Duration: %s
+==================================================`,
+		a.Results.Data.Title,
+		a.Results.Data.Artist,
+		len(a.Results.Tracks.Data),
+		time.Duration(duration)*time.Second,
+	)
+}
+
+func playlistInfo(p *deezer.Playlist) string {
+	return fmt.Sprintf(
+		`=============== [ Playlist Info ] ===============
+Title:    %s
+Creator:  %s
+Tracks:   %d
+Duration: %s
+=================================================`,
+		p.Results.Data.Title,
+		p.Results.Data.Creator,
+		len(p.Results.Tracks.Data),
+		time.Duration(p.Results.Data.Duration)*time.Second,
+	)
+}
+
+func artistInfo(a *deezer.Artist) string {
+	tracks := a.Results.Tracks.Data
+	count := len(tracks)
+
+	totalSec := 0
+	for _, t := range tracks {
+		if d, err := strconv.Atoi(t.Duration); err == nil {
+			totalSec += d
+		}
+	}
+
+	limit := min(3, count)
+
+	var b strings.Builder
+	fmt.Fprintf(&b, "============= [ Artist Info ] =============\n")
+	fmt.Fprintf(&b, "Artist:   %s\n", a.Results.Data.Name)
+	fmt.Fprintf(&b, "Tracks:   %d\n", count)
+	fmt.Fprintf(&b, "Playtime: %s\n", time.Duration(totalSec)*time.Second)
+	fmt.Fprintf(&b, "-------------------------------------------\n")
+	fmt.Fprintf(&b, "Top %d most popular tracks:\n", limit)
+	for i := 0; i < limit; i++ {
+		t := tracks[i]
+		fmt.Fprintf(&b, "    %2d. %s – %s\n", i+1, t.Artist, t.GetTitle())
+	}
+	fmt.Fprintf(&b, "===========================================\n")
+
+	return b.String()
+}
+
+func singleInfo(s *deezer.Single) string {
+	if s.Results.Data == nil {
+		return "Track: No data available"
+	}
+
+	duration, err := strconv.Atoi(s.Results.Data.Duration)
+	if err != nil {
+		duration = 0
+	}
+
+	return fmt.Sprintf(
+		`================= [ Track Info ] =================
+Title:    %s
+Artist:   %s
+Duration: %s
+==================================================`,
+		s.Results.Data.GetTitle(),
+		s.Results.Data.Artist,
+		time.Duration(duration)*time.Second,
+	)
+}