" ============================================================================="

" CodeBuddy Terminal Plugin - 简化兼容版本

" 在右侧30%区域打开CodeBuddy终端，提供显示/隐藏/关闭功能

" 完全兼容 Vim 8.0+ 和 Neovim

" =============================================================================

" 防止重复加载

if exists('g:loaded_codebuddy')

finish

endif

let g:loaded_codebuddy = 1

" ============================================================================="

" 全局变量配置

" =============================================================================

let g:codebuddy_shell = get(g:, 'codebuddy_shell', 'claude-internal')

let g:codebuddy_width = get(g:, 'codebuddy_width', 0.3)

let g:codebuddy_height = get(g:, 'codebuddy_height', 1.0)

let g:codebuddy_position = get(g:, 'codebuddy_position', 'right')

" 终端状态管理

let s:codebuddy_bufnr = -1

let s:codebuddy_winid = -1

let s:is_visible = v:false

" ============================================================================="

" 核心函数

" =============================================================================

" 打开CodeBuddy终端

function! s:open_codebuddy()

" 如果已经存在终端，直接显示

if s:codebuddy_bufnr != -1 && bufexists(s:codebuddy_bufnr)

call s:show_codebuddy()

return

endif

" 保存当前窗口

let s:original_winid = win_getid()

" 计算窗口宽度

let width = float2nr(get(g:, 'codebuddy_width', 0.3) * &columns)

" 创建终端 - 使用统一的方法

try

" 创建垂直分割窗口

execute width . 'vsplit'

" 强制窗口移动到最左边（确保 CodeBuddy 占据最左边分屏）

wincmd H

" 创建终端

let shell_cmd = get(g:, 'codebuddy_shell', 'claude-internal')

if has('nvim')

execute 'terminal ' . shell_cmd

let s:codebuddy_bufnr = bufnr('%')

else

let s:codebuddy_bufnr = term_start(shell_cmd, {'curwin': v:true})

endif

" 设置窗口ID

let s:codebuddy_winid = win_getid()

let s:is_visible = v:true

" 设置窗口选项

setlocal winfixwidth

setlocal nospell

setlocal nonumber

setlocal norelativenumber

setlocal statusline=CodeBuddy

" 进入终端模式

if !has('nvim')

startinsert

endif

echom "CodeBuddy 终端已打开"

catch

echom "打开 CodeBuddy 终端失败: " . v:exception

" 回退到原始窗口

if win_gotoid(s:original_winid)

" 成功返回

endif

endtry

endfunction

" 显示CodeBuddy终端

function! s:show_codebuddy()

if s:codebuddy_bufnr == -1 || !bufexists(s:codebuddy_bufnr)

call s:open_codebuddy()

return

endif

if !s:is_visible

" 检查窗口是否还存在

if s:codebuddy_winid != -1 && win_gotoid(s:codebuddy_winid)

" 窗口存在，直接显示

let s:is_visible = v:true

else

" 窗口不存在，重新创建

call s:recreate_window()

endif

endif

endfunction

" 隐藏CodeBuddy终端

function! s:hide_codebuddy()

if s:is_visible && s:codebuddy_winid != -1

if win_gotoid(s:codebuddy_winid)

hide

let s:is_visible = v:false

echom "CodeBuddy 终端已隐藏"

endif

endif

endfunction

" 关闭CodeBuddy终端

function! s:close_codebuddy()

if s:codebuddy_bufnr != -1 && bufexists(s:codebuddy_bufnr)

" 关闭窗口

if s:codebuddy_winid != -1 && win_gotoid(s:codebuddy_winid)

close!

endif

" 删除缓冲区

if bufexists(s:codebuddy_bufnr)

execute 'bdelete! ' . s:codebuddy_bufnr

endif

" 重置状态

let s:codebuddy_bufnr = -1

let s:codebuddy_winid = -1

let s:is_visible = v:false

echom "CodeBuddy 终端已关闭"

endif

endfunction

" 重新创建窗口

function! s:recreate_window()

" 保存当前窗口

let s:original_winid = win_getid()

" 计算窗口宽度

let width = float2nr(get(g:, 'codebuddy_width', 0.3) * &columns)

" 创建新窗口

try

" 创建垂直分割窗口

execute width . 'vsplit'

" 强制窗口移动到最左边（确保 CodeBuddy 占据最左边分屏）

wincmd H

" 切换到终端缓冲区

execute 'buffer ' . s:codebuddy_bufnr

" 更新窗口ID和状态

let s:codebuddy_winid = win_getid()

let s:is_visible = v:true

" 设置窗口选项

setlocal winfixwidth

setlocal nospell

setlocal nonumber

setlocal norelativenumber

setlocal statusline=CodeBuddy

catch

echom "重新创建窗口失败: " . v:exception

" 回退到原始窗口

if win_gotoid(s:original_winid)

" 成功返回

endif

endtry

endfunction

" 切换显示/隐藏状态

function! s:toggle_codebuddy()

if s:is_visible

call s:hide_codebuddy()

else

call s:show_codebuddy()

endif

endfunction

" ============================================================================="

" 公共接口

" =============================================================================

function! ClaudeInternalOpen()

call s:open_codebuddy()

endfunction

function! ClaudeInternalShow()

call s:show_codebuddy()

endfunction

function! ClaudeInternalHide()

call s:hide_codebuddy()

endfunction

function! ClaudeInternalToggle()

call s:toggle_codebuddy()

endfunction

function! ClaudeInternalClose()

call s:close_codebuddy()

endfunction

" ============================================================================="

" 命令定义

" ============================================================================="

command! ClaudeInternal call ClaudeInternalOpen()

command! ClaudeInternalShow call ClaudeInternalShow()

command! ClaudeInternalHide call ClaudeInternalHide()

command! ClaudeInternalToggle call ClaudeInternalToggle()

command! ClaudeInternalClose call ClaudeInternalClose()

" ============================================================================="

" 快捷键绑定

" =============================================================================

nnoremap <leader>ci :ClaudeInternal<CR>

nnoremap <leader>th :ClaudeInternalToggle<CR>

nnoremap <leader>ts :ClaudeInternalShow<CR>

nnoremap <leader>td :ClaudeInternalHide<CR>

nnoremap <leader>tk :ClaudeInternalClose<CR>

" 终端模式快捷键 - 简化版本

if has('nvim')

tnoremap <buffer> <C-t> <C-\><C-n>:ClaudeInternalToggle<CR>

tnoremap <buffer> <C-q> <C-\><C-n>:ClaudeInternalHide<CR>

else

" Vim 终端模式快捷键

tnoremap <buffer> <C-t> <C-w>:ClaudeInternalToggle<CR>

tnoremap <buffer> <C-q> <C-w>:ClaudeInternalHide<CR>

endif

" ============================================================================="

" 自动命令和清理

" =============================================================================

augroup CodeBuddy

autocmd!

" 当退出Vim时确保终端进程被正确关闭

autocmd VimLeave * call s:cleanup_on_exit()

autocmd QuitPre * call s:cleanup_on_exit()

augroup END

" 退出时清理

function! s:cleanup_on_exit()

if s:codebuddy_bufnr != -1 && bufexists(s:codebuddy_bufnr)

" 这里不做特殊处理，让Vim自动清理

endif

endfunction

" ============================================================================="

" 加载提示

" ============================================================================="

echom "ClaudeInternal Terminal Plugin 已加载!"

echom "命令: :ClaudeInternal, :ClaudeInternalShow, :ClaudeInternalHide, :ClaudeInternalToggle, :ClaudeInternalClose"

echom "快捷键: <leader>ci, <leader>th, <leader>ts, <leader>td, <leader>tk"