From c52f41545df179b542f106d08e6dd013a70216e7 Mon Sep 17 00:00:00 2001
From: yingyu5658 <i@yingyu5658.me>
Date: Thu, 4 Dec 2025 11:19:57 +0800
Subject: refactor: 模块化重构并优化输出
MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit

- 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
---
 internal/api/biliapi.go | 94 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 internal/api/biliapi.go

(limited to 'internal/api/biliapi.go')

diff --git a/internal/api/biliapi.go b/internal/api/biliapi.go
new file mode 100644
index 0000000..efd2499
--- /dev/null
+++ b/internal/api/biliapi.go
@@ -0,0 +1,94 @@
+package api
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"time"
+)
+
+type VideoBaseInfo struct {
+	Data []struct {
+		Cid        int    `json:"cid"`         // 每一个视频的 CID
+		Part       string `json:"part"`        // 分 P 标题
+		Page       int    `json:"page"`        // 分 P 编号
+		FirstFrame string `json:"first_frame"` // 封面图
+	} `json:"data"`
+}
+
+type BiliAPI struct {
+	Client *http.Client
+}
+
+func NewBiliAPI() *BiliAPI {
+	return &BiliAPI{
+		Client: &http.Client{Timeout: 30 * time.Second},
+	}
+}
+
+// func getInfo(bvid string) (VideoBaseInfo, error) {
+// 	var APIUrl string = "https://api.bilibili.com/x/player/pagelist?bvid="
+// 	APIUrl += bvid
+// 	client := &http.Client{
+// 		Timeout: 30 * time.Second,
+// 	}
+
+// 	// 发送 GET 请求
+// 	resp, err := client.Get(APIUrl)
+// 	if err != nil {
+// 		return VideoBaseInfo{}, fmt.Errorf("发送请求失败: %w", err)
+// 	}
+// 	defer resp.Body.Close()
+
+// 	body, err := io.ReadAll(resp.Body)
+// 	if err != nil {
+// 		return VideoBaseInfo{}, fmt.Errorf("读取响应失败: %w", err)
+// 	}
+
+// 	var result VideoBaseInfo
+// 	if err := json.Unmarshal(body, &result); err != nil {
+// 		return VideoBaseInfo{}, fmt.Errorf("JSON 解析失败： %w", err)
+// 	}
+
+// 	return VideoBaseInfo{}, err
+// }
+
+func (a *BiliAPI) GetVideoInfo(bvid string) (*VideoBaseInfo, error) {
+	var APIUrl string = "https://api.bilibili.com/x/player/pagelist?bvid="
+	APIUrl += bvid
+	client := a.Client
+	if client == nil {
+		client = &http.Client{
+			Timeout: 30 * time.Second,
+		}
+	}
+
+	// 发送 GET 请求
+	resp, err := client.Get(APIUrl)
+	if err != nil {
+		return &VideoBaseInfo{}, fmt.Errorf("❌ 发送请求失败: %w", err)
+	}
+	defer resp.Body.Close()
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return &VideoBaseInfo{}, fmt.Errorf("❌ 读取响应失败: %w", err)
+	}
+
+	if len(body) > 0 && body[0] == '<' {
+		snippet := string(body)
+		if len(snippet) > 512 {
+			snippet = snippet[:512]
+		}
+		return nil, fmt.Errorf("❌ 服务器返回 HTML 而非 JSON: %s", snippet)
+	}
+
+	var result VideoBaseInfo
+	if err := json.Unmarshal(body, &result); err != nil {
+		return &VideoBaseInfo{}, fmt.Errorf("❌ JSON 解析失败： %w", err)
+	}
+
+	return &result, nil
+
+}
-- 
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