refactor: 模块化重构并优化输出

- 将原本的 main.go 拆分为 命令 网络请求 下载三个单独职责的文件
- 优化输出, 添加用户友好的Emoji

1 files changed, 42 insertions, 0 deletions

diff --git a/cmd/bvd/main.go b/cmd/bvd/main.go
new file mode 100644
index 0000000..3a537b4
--- /dev/null
+++ b/cmd/bvd/main.go
@@ -0,0 +1,42 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+
+	"bvd/internal/api"
+	downloader "bvd/internal/download"
+
+	"github.com/urfave/cli/v2"
+)
+
+func main() {
+	app := &cli.App{
+		Name:  "bvd",
+		Usage: "快速、高效、易用的下载B站视频 CLI 工具",
+		Commands: []*cli.Command{
+			{
+				Name:  "download",
+				Usage: "下载指定 BV 号的视频",
+				Action: func(c *cli.Context) error {
+					bvid := c.Args().First()
+					if bvid == "" {
+						return fmt.Errorf("请提供视频 BV 号")
+					}
+
+					biliAPI := api.NewBiliAPI()
+					downloader := downloader.NewDownloader()
+
+					return downloader.Start(bvid, biliAPI)
+				},
+				ArgsUsage: "<BVID> 欲下载视频的 BV 号",
+			},
+		},
+		Version: "1.0.1",
+	}
+
+	if err := app.Run(os.Args); err != nil {
+		log.Fatal(err)
+	}
+}