;;; --- 1. 包管理与镜像源 ---
(require 'package)
(setq package-archives '(("gnu"    . "https://mirrors.tuna.tsinghua.edu.cn/elpa/gnu/")
                         ("nongnu" . "https://mirrors.tuna.tsinghua.edu.cn/elpa/nongnu/")
                         ("melpa"  . "https://mirrors.tuna.tsinghua.edu.cn/elpa/melpa/")))
(package-initialize)

;; 自动安装基础包
(unless package-archive-contents (package-refresh-contents))
(dolist (pkg '(use-package company orderless rust-mode cargo))
  (unless (package-installed-p pkg) (package-install pkg)))
(with-eval-after-load 'ox
  (require 'ox-md))
;; 记得下载doom-themes: M-x package-install doom-themes
;; 或者是 timu-macos t
;; 1. 先设置变体为浅色
;;(setq timu-macos-variant "light")
;; 2. 再加载主题
;;(use-package timu-macos-theme
;;  :ensure t
;;  :config
;;  (load-theme 'timu-macos t))
;;(customize-set-variable 'timu-macos-flavour "light")

;;(load-theme 'modus-operandi-tinted t)
(load-theme 'doom-snazzy t)

;; 关闭工具栏 (带图标的那一栏)
(tool-bar-mode -1)

;; 如果你觉得菜单栏（File, Edit...）也占地方，可以顺便关掉
;;(menu-bar-mode -1)

;; 如果你在图形界面下，滚动条也可以关掉
(scroll-bar-mode -1)

;; 性能优化：提升 LSP 通讯读取限制
(setq read-process-output-max (* 1024 1024))
(setq gc-cons-threshold (* 100 1024 1024))

;;; --- 2. 基础 UI 与编码设置 ---
(set-language-environment "UTF-8")
(setq inhibit-startup-screen t)
(global-display-line-numbers-mode t)
(electric-pair-mode t)
(set-face-attribute 'default nil :family "Consolas" :height 160)
(dolist (charset '(kana han symbol cjk-misc bopomofo))
  (set-fontset-font (frame-parameter nil 'font)
                    charset (font-spec :family "Microsoft YaHei"))) ; 中文
(setq-default indent-tabs-mode nil)
(setq-default tab-width 4)

;; 设置剪贴板编码为 utf-8
(set-selection-coding-system 'utf-8)

;; 更加全面的编码设置（推荐）
(set-language-environment "UTF-8")
(set-default-coding-systems 'utf-8)
(set-terminal-coding-system 'utf-8)
(set-keyboard-coding-system 'utf-8)
(prefer-coding-system 'utf-8)

(if (eq system-type 'windows-nt)
    ;; Windows 专用设置
    (set-selection-coding-system 'utf-16le-dos)
  ;; Linux/macOS 专用设置
  (set-selection-coding-system 'utf-8))

;; 备份设置
(setq backup-directory-alist `(("." . "~/.emacs.d/backups/")))
(setq vc-make-backup-files t)

;;; --- 3. Company 补全配置 ---
(setq company-minimum-prefix-length 2)
(setq company-idle-delay 0.1)
(setq company-show-quick-access t)
(add-hook 'after-init-hook 'global-company-mode)

(with-eval-after-load 'company
  (define-key company-active-map (kbd "RET") nil)
  (define-key company-active-map (kbd "<return>") nil)
  (define-key company-active-map (kbd "TAB") #'company-complete-selection)
  (define-key company-active-map [tab] #'company-complete-selection))

;;; --- 4. Eglot (LSP) 核心配置 ---
(use-package eglot
  :ensure nil
  :hook ((python-mode . eglot-ensure)
         (c-mode . eglot-ensure)
         (c++-mode . eglot-ensure)
         (rust-mode . eglot-ensure)
         (go-mode . eglot-ensure)
         (java-mode . eglot-ensure))
  :config
  (setq eglot-autoshutdown t)
  (setq eglot-format-on-save nil)
  (setq flymake-no-changes-timeout 2.0)
  ;; 禁用不必要的能力，保持响应速度
  (add-to-list 'eglot-ignored-server-capabilities :inlayHintProvider)
  (add-to-list 'eglot-ignored-server-capabilities :documentOnTypeFormattingProvider)
  ;; 确保保存时不自动格式化
  (add-hook 'eglot-managed-mode-hook 
            (lambda () (remove-hook 'before-save-hook 'eglot-format-buffer t))))

;;; --- 5. 编程语言专属设置 ---

;; ** Rust **
;;1 rust-analyzer: 这是 LSP 的大脑。
;;安装命令：rustup component add rust-analyzer
;;2 clippy: 更好的静态检查。
;;安装命令：rustup component add clippy
;;rustfmt: 虽然你关闭了自动格式化，但建议保留以备手动调用。
;;安装命令：rustup component add rustfmt

(use-package rust-mode
  :ensure t
  :mode "\\.rs\\'"
  :config
  (setq rust-format-on-save nil)
  (add-hook 'rust-mode-hook (lambda () 
                              (setq-local rust-indent-offset 4)))
  ;; 配置 rust-analyzer 细节
  (with-eval-after-load 'eglot
    (add-to-list 'eglot-server-programs
                 `(rust-mode . ("rust-analyzer" :initializationOptions
                                (:checkOnSave t;
                                 :check (:command "clippy")
                                 :procMacro (:enable t)
                                 :cargo (:loadOutDirsFromCheck t)))))))

(use-package cargo
  :ensure t
  :hook (rust-mode . cargo-minor-mode))

;; ** Python **
(use-package python
  :ensure nil
  :config
  (setq python-indent-offset 4))

;; ** C/C++ **
(defun my-c-mode-setup ()
  (c-set-style "k&r")
  (setq c-basic-offset 4)
  (c-set-offset 'substatement-open 0)
  (c-set-offset 'case-label '+))
(add-hook 'c-mode-hook 'my-c-mode-setup)
(add-hook 'c++-mode-hook 'my-c-mode-setup)

;; ** Java **
(with-eval-after-load 'eglot
  (add-to-list 'eglot-server-programs
               `(java-mode . ("java" 
                              "-jar" "d:/JavajDK/jdt-language-server-1.9.0-202203031534/plugins/org.eclipse.equinox.launcher_1.6.400.v20210924-0641.jar"
                              "-configuration" "D:/JavaJDK/jdt-language-server-1.9.0-202203031534/config_win/"
                              "-data" "~/.emacs.d/cache/jdtls-workspace"))))

;;; --- 6. Org-mode ---
;;; --- 6. Org-mode ---

(with-eval-after-load 'org
  (add-hook 'org-mode-hook #'visual-line-mode)
  (setq org-startup-with-latex-preview t
        org-startup-indented t
        org-src-fontify-natively t
        org-confirm-babel-evaluate nil)
  (org-babel-do-load-languages 'org-babel-load-languages '((C . t) (shell . t) (python . t))))

(with-eval-after-load 'org
  ;; 1. 开启视觉换行 (视觉上自动折行，不改变文件内容)
  (add-hook 'org-mode-hook #'visual-line-mode)
  ;; 2. 彻底禁用自动填充 (防止按空格时插入硬换行符)
  (add-hook 'org-mode-hook (lambda () (auto-fill-mode -1)))
  ;; 3. 额外保险：即使全局开启了 auto-fill，在 org 里也关掉它
  (setq-local auto-fill-function nil)
)

;; 允许编辑隐藏区域，它会自动展开而不是报错拦截
(setq org-fold-catch-invisible-edits 'show-and-error) 

;; 或者更彻底一点，允许直接修改
(setq org-fold-catch-invisible-edits 'smart)

;;; --- 7. 搜索与便捷功能 ---
(use-package orderless
  :ensure t
  :custom
  (completion-styles '(orderless basic))
  (completion-category-overrides '((file (styles basic partial-completion)))))

(use-package projectile
  :ensure t
  :init (projectile-mode +1)
  :bind-keymap ("C-c p" . projectile-command-map))

(use-package vertico
  :ensure t
  :init (vertico-mode))

(use-package treemacs
  :ensure t
  :bind ("C-c t" . treemacs-select-window)) ; 按 C-c t 快速跳到文件树
(with-eval-after-load 'treemacs
  (treemacs-follow-mode t)      ; Tree 自动跟随当前 buffer
  (treemacs-filewatch-mode t))  ; 硬盘文件变动时 Tree 自动刷新
(setq treemacs-python-executable "python")
(with-eval-after-load 'treemacs
  (setq treemacs-deferred-git-apply t       ; 异步处理 Git 状态
        treemacs-file-event-delay 2000      ; 延长刷新延迟
        treemacs-read-string-input 'from-minibuffer ; 优化输入方式
        treemacs-tag-follow-delay 1.5       ; 减慢跟随速度，减少计算
        ))

(use-package consult
  :ensure t
  :bind (("C-s" . consult-line)          ; 替代默认搜索，带实时预览
         ("C-x b" . consult-buffer)      ; 增强版 buffer 切换
         ("M-y" . consult-yank-pop)      ; 历史粘贴板
         ;; 修改这里：不要直接 bind "C-c p s"
         ;; 而是把命令绑定到 projectile 的 map 里
         :map projectile-command-map
         ("s" . consult-ripgrep))) ; 这样你按 C-c p s 就能触发全局搜索了

(use-package marginalia
  :ensure t
  :init (marginalia-mode))

(global-set-key (kbd "<f5>") (lambda () (interactive) (find-file user-init-file)))

(defun my-toggle-lsp-and-flymake ()
  "一键切换智能模式与自由模式"
  (interactive)
  (if (bound-and-true-p eglot--managed-mode)
      (progn
        (flymake-mode -1) (company-mode -1)
        (when (eglot-current-server) (eglot-shutdown (eglot-current-server)))
        (message ">>> [自由模式] LSP & Company 已关闭"))
    (progn
      (eglot-ensure) (flymake-mode 1) (company-mode 1)
      (message ">>> [智能模式] 服务已开启"))))

(global-set-key (kbd "C-<return>") 'my-toggle-lsp-and-flymake)

(use-package which-key
  :ensure t
  :init (which-key-mode))

(use-package avy
  :ensure t
  :bind ("C-c s" . avy-goto-char-timer))

;; --- 自动生成配置 (保持在末尾) ---
(custom-set-variables
 ;; custom-set-variables was added by Custom.
 ;; If you edit it by hand, you could mess it up, so be careful.
 ;; Your init file should contain only one such instance.
 ;; If there is more than one, they won't work right.
 '(custom-safe-themes
   '("f64189544da6f16bab285747d04a92bd57c7e7813d8c24c30f382f087d460a33"
     "7771c8496c10162220af0ca7b7e61459cb42d18c35ce272a63461c0fc1336015"
     "d97ac0baa0b67be4f7523795621ea5096939a47e8b46378f79e78846e0e4ad3d"
     "d481904809c509641a1a1f1b1eb80b94c58c210145effc2631c1a7f2e4a2fdf4"
     "720838034f1dd3b3da66f6bd4d053ee67c93a747b219d1c546c41c4e425daf93"
     "b7a09eb77a1e9b98cafba8ef1bd58871f91958538f6671b22976ea38c2580755"
     "0f1341c0096825b1e5d8f2ed90996025a0d013a0978677956a9e61408fcd2c77"
     "f1e8339b04aef8f145dd4782d03499d9d716fdc0361319411ac2efc603249326"
     "15cdf123689e3d76ca08c1bcd9ef6d85f37df994d577686b7593c6114a8fa165"
     "4594d6b9753691142f02e67b8eb0fda7d12f6cc9f1299a49b819312d6addad1d"
     "a9eeab09d61fef94084a95f82557e147d9630fbbb82a837f971f83e66e21e5ad"
     "8d3ef5ff6273f2a552152c7febc40eabca26bae05bd12bc85062e2dc224cde9a"
     "b5fd9c7429d52190235f2383e47d340d7ff769f141cd8f9e7a4629a81abc6b19"
     "8c7e832be864674c220f9a9361c851917a93f921fedb7717b1b5ece47690c098"
     "e8ceeba381ba723b59a9abc4961f41583112fc7dc0e886d9fc36fa1dc37b4079"
     "42a6583a45e0f413e3197907aa5acca3293ef33b4d3b388f54fa44435a494739"
     "9b9d7a851a8e26f294e778e02c8df25c8a3b15170e6f9fd6965ac5f2544ef2a9"
     "e4a702e262c3e3501dfe25091621fe12cd63c7845221687e36a79e17cf3a67e0"
     "3613617b9953c22fe46ef2b593a2e5bc79ef3cc88770602e7e569bbd71de113b"
     "aec7b55f2a13307a55517fdf08438863d694550565dee23181d2ebd973ebd6b8"
     "7c3d62a64bafb2cc95cd2de70f7e4446de85e40098ad314ba2291fc07501b70c"
     "0325a6b5eea7e5febae709dab35ec8648908af12cf2d2b569bedc8da0a3a81c1"
     default))
 '(package-selected-packages
   '(cargo company consult doom-themes marginalia orderless projectile
           rust-mode treemacs vertico)))
(custom-set-faces
 ;; custom-set-faces was added by Custom.
 ;; If you edit it by hand, you could mess it up, so be careful.
 ;; Your init file should contain only one such instance.
 ;; If there is more than one, they won't work right.
 )