新增: Bing壁纸历史导航+极光流体主题+重启菜单

bing.go

@@ -2,25 +2,71 @@ package main
 
 import (
 	"encoding/json"
+	"fmt"
 	"io"
 	"log"
 	"os"
 	"path/filepath"
 	"strings"
+	"sync"
 	"time"
 )
 
-const bingAPI = "https://www.bing.com/HPImageArchive.aspx?format=js&idx=0&n=1&mkt=zh-CN"
+const bingAPI = "https://www.bing.com/HPImageArchive.aspx?format=js&idx=0&n=8&mkt=zh-CN"
 
 type bingResponse struct {
 	Images []struct {
+		StartDate string `json:"startdate"`
 		URL       string `json:"url"`
 		URLBase   string `json:"urlbase"`
 		Copyright string `json:"copyright"`
 	} `json:"images"`
 }
 
-func fetchBingWallpaper() {
+type BingRecord struct {
+	Date      string `json:"date"`
+	URLBase   string `json:"urlbase"`
+	Copyright string `json:"copyright"`
+	Filename  string `json:"filename"`
+	Favorited bool   `json:"favorited"`
+}
+
+type BingHistory struct {
+	Records    []BingRecord `json:"records"`
+	CurrentIdx int          `json:"currentIdx"`
+}
+
+var bingMu sync.Mutex
+
+func bingDir() string {
+	return filepath.Join(configDir(), "bing")
+}
+
+func bingHistoryPath() string {
+	return filepath.Join(configDir(), "bing_history.json")
+}
+
+func loadBingHistory() *BingHistory {
+	data, err := os.ReadFile(bingHistoryPath())
+	if err != nil {
+		return &BingHistory{}
+	}
+	var h BingHistory
+	if json.Unmarshal(data, &h) != nil {
+		return &BingHistory{}
+	}
+	return &h
+}
+
+func saveBingHistory(h *BingHistory) error {
+	data, _ := json.MarshalIndent(h, "", "  ")
+	return os.WriteFile(bingHistoryPath(), data, 0644)
+}
+
+func fetchBingHistory() {
+	bingMu.Lock()
+	defer bingMu.Unlock()
+
 	resp, err := httpClient.Get(bingAPI)
 	if err != nil {
 		log.Println("Bing API 请求失败:", err)
@@ -37,38 +83,160 @@ func fetchBingWallpaper() {
 		return
 	}
 
-	imgURL := br.Images[0].URL
-	if !strings.HasPrefix(imgURL, "http") {
-		imgURL = "https://www.bing.com" + imgURL
+	os.MkdirAll(bingDir(), 0755)
+
+	existing := loadBingHistory()
+	existingMap := make(map[string]BingRecord)
+	for _, r := range existing.Records {
+		existingMap[r.Date] = r
 	}
 
-	imgResp, err := httpClient.Get(imgURL)
-	if err != nil {
-		log.Println("Bing 图片下载失败:", err)
-		return
+	for _, img := range br.Images {
+		date := img.StartDate
+		if date == "" {
+			continue
+		}
+		if _, exists := existingMap[date]; exists {
+			continue
+		}
+
+		imgURL := img.URL
+		if !strings.HasPrefix(imgURL, "http") {
+			imgURL = "https://www.bing.com" + imgURL
+		}
+
+		imgResp, err := httpClient.Get(imgURL)
+		if err != nil {
+			log.Printf("Bing 图片下载失败 (%s): %v", date, err)
+			continue
+		}
+		imgData, _ := io.ReadAll(imgResp.Body)
+		imgResp.Body.Close()
+		if len(imgData) == 0 {
+			continue
+		}
+
+		filename := date + ".jpg"
+		localPath := filepath.Join(bingDir(), filename)
+		if err := os.WriteFile(localPath, imgData, 0644); err != nil {
+			log.Printf("Bing 图片保存失败 (%s): %v", date, err)
+			continue
+		}
+		log.Printf("Bing 壁纸已下载: %s (%d bytes)", filename, len(imgData))
+
+		existingMap[date] = BingRecord{
+			Date:      date,
+			URLBase:   img.URLBase,
+			Copyright: img.Copyright,
+			Filename:  filename,
+		}
 	}
-	defer imgResp.Body.Close()
-	imgData, err := io.ReadAll(imgResp.Body)
-	if err != nil {
+
+	var records []BingRecord
+	for _, img := range br.Images {
+		if r, ok := existingMap[img.StartDate]; ok {
+			records = append(records, r)
+		}
+	}
+	if len(records) == 0 {
 		return
 	}
 
-	bingPath := filepath.Join(configDir(), "bing_wallpaper.jpg")
-	if err := os.WriteFile(bingPath, imgData, 0644); err != nil {
-		log.Println("Bing 壁纸缓存失败:", err)
-		return
+	history := &BingHistory{
+		Records:    records,
+		CurrentIdx: 0,
 	}
-	log.Printf("Bing 壁纸已缓存: %s (%d bytes)", bingPath, len(imgData))
+	if existing.CurrentIdx < len(records) {
+		history.CurrentIdx = existing.CurrentIdx
+	}
+	saveBingHistory(history)
 
 	reloadWallpaper()
 }
 
+func getCurrentBingPath() string {
+	h := loadBingHistory()
+	if h.CurrentIdx < 0 || h.CurrentIdx >= len(h.Records) {
+		return ""
+	}
+	return filepath.Join(bingDir(), h.Records[h.CurrentIdx].Filename)
+}
+
+func getCurrentBingRecord() *BingRecord {
+	h := loadBingHistory()
+	if h.CurrentIdx < 0 || h.CurrentIdx >= len(h.Records) {
+		return nil
+	}
+	return &h.Records[h.CurrentIdx]
+}
+
+func bingPrev() {
+	bingMu.Lock()
+	defer bingMu.Unlock()
+
+	h := loadBingHistory()
+	if len(h.Records) == 0 {
+		return
+	}
+	if h.CurrentIdx < len(h.Records)-1 {
+		h.CurrentIdx++
+		saveBingHistory(h)
+		log.Printf("Bing 壁纸: 上一个 (idx=%d, date=%s)", h.CurrentIdx, h.Records[h.CurrentIdx].Date)
+		reloadWallpaper()
+	}
+}
+
+func bingNext() {
+	bingMu.Lock()
+	defer bingMu.Unlock()
+
+	h := loadBingHistory()
+	if h.CurrentIdx > 0 {
+		h.CurrentIdx--
+		saveBingHistory(h)
+		log.Printf("Bing 壁纸: 下一个 (idx=%d, date=%s)", h.CurrentIdx, h.Records[h.CurrentIdx].Date)
+		reloadWallpaper()
+	}
+}
+
+func bingToggleFavorite() string {
+	bingMu.Lock()
+	defer bingMu.Unlock()
+
+	h := loadBingHistory()
+	if h.CurrentIdx < 0 || h.CurrentIdx >= len(h.Records) {
+		return ""
+	}
+	r := &h.Records[h.CurrentIdx]
+	r.Favorited = !r.Favorited
+	saveBingHistory(h)
+	state := "收藏"
+	if r.Favorited {
+		state = "取消收藏"
+	}
+	log.Printf("Bing 壁纸: %s (date=%s)", state, r.Date)
+	if r.Favorited {
+		return "☆ 取消收藏"
+	}
+	return "★ 收藏当前壁纸"
+}
+
+func bingCopyrightInfo() string {
+	r := getCurrentBingRecord()
+	if r != nil {
+		return fmt.Sprintf("%s (%s)", r.Copyright, r.Date)
+	}
+	return ""
+}
+
 func bingWallpaperLoop() {
 	cfg := loadConfig()
 	if cfg.WallpaperType == WPBing {
-		bingPath := filepath.Join(configDir(), "bing_wallpaper.jpg")
-		if _, err := os.Stat(bingPath); err != nil {
-			fetchBingWallpaper()
+		h := loadBingHistory()
+		if len(h.Records) == 0 {
+			fetchBingHistory()
+		} else {
+			reloadWallpaper()
 		}
 	}
 
@@ -76,7 +244,7 @@ func bingWallpaperLoop() {
 	for range ticker.C {
 		cfg := loadConfig()
 		if cfg.WallpaperType == WPBing {
-			fetchBingWallpaper()
+			fetchBingHistory()
 		}
 	}
 }