From c699aaba24efd909ab648d8175c3cf38b8e7e5c3 Mon Sep 17 00:00:00 2001
From: JuanZoran <1430359574@qq.com>
Date: Wed, 15 Mar 2023 14:30:01 +0800
Subject: [PATCH] fix: fix cacha miss

---
 lua/Trans/core/buffer.lua         | 20 ++++++++++----------
 lua/Trans/core/conf.lua           |  2 +-
 lua/Trans/core/data.lua           |  8 ++++----
 lua/Trans/frontend/hover/init.lua | 12 +++++++++---
 4 files changed, 24 insertions(+), 18 deletions(-)

diff --git a/lua/Trans/core/buffer.lua b/lua/Trans/core/buffer.lua
index b9e85f2..24f3ecd 100644
--- a/lua/Trans/core/buffer.lua
+++ b/lua/Trans/core/buffer.lua
@@ -112,11 +112,8 @@ end
 function buffer:setline(nodes, one_index)
     self:set('modifiable', true)
 
-
-    ---@diagnostic disable-next-line: cast-local-type, param-type-mismatch
     one_index = one_index or self:line_count() + 1
     if one_index == 2 and self[1] == '' then one_index = 1 end
-    ---@cast one_index integer
 
     if type(nodes) == 'string' then
         fn.setbufline(self.bufnr, one_index, nodes)
@@ -167,18 +164,21 @@ buffer.__newindex = function(self, key, nodes)
     end
 end
 
+---Init buffer with bufnr
+---@param bufnr? integer buffer handle
+function buffer:init(bufnr)
+    self.bufnr = bufnr or api.nvim_create_buf(false, false)
+    self:set('modifiable', false)
+    self:set('filetype', 'Trans')
+    self:set('buftype', 'nofile')
+end
 
 ---@nodiscard
 ---TransBuffer constructor
 ---@return TransBuffer
 function buffer.new()
-    local new_buf = setmetatable({
-        bufnr = api.nvim_create_buf(false, false),
-    }, buffer)
-
-    new_buf:set('modifiable', false)
-    new_buf:set('filetype', 'Trans')
-    new_buf:set('buftype', 'nofile')
+    local new_buf = setmetatable({}, buffer)
+    new_buf:init()
     return new_buf
 end
 
diff --git a/lua/Trans/core/conf.lua b/lua/Trans/core/conf.lua
index 63b2040..36b4650 100644
--- a/lua/Trans/core/conf.lua
+++ b/lua/Trans/core/conf.lua
@@ -59,7 +59,7 @@ return {
             ---@type string -- TODO :support replace with {{special word}}
             fallback_message  = '翻译超时或没有找到相关的翻译',
             auto_resize       = true,
-            padding           = 10, -- only work when auto_resize is true
+            padding           = 10, -- padding for hover window width
             keymaps           = {
                 play         = '_',
                 pageup       = '[[',
diff --git a/lua/Trans/core/data.lua b/lua/Trans/core/data.lua
index e82e2ff..5fad39d 100644
--- a/lua/Trans/core/data.lua
+++ b/lua/Trans/core/data.lua
@@ -64,11 +64,11 @@ end
 ---@return TransResult?
 function M:get_available_result()
     local result = self.result
-    local backend = self.backends
 
-    for _, name in ipairs(backend) do
-        if result[name] then
-            return result[name]
+    for _, backend in ipairs(self.backends) do
+        if result[backend.name] then
+            ---@diagnostic disable-next-line: return-type-mismatch
+            return result[backend.name]
         end
     end
 end
diff --git a/lua/Trans/frontend/hover/init.lua b/lua/Trans/frontend/hover/init.lua
index 18e0a5e..517ed59 100644
--- a/lua/Trans/frontend/hover/init.lua
+++ b/lua/Trans/frontend/hover/init.lua
@@ -137,6 +137,8 @@ function M:process(_, result)
     -- local it, t, f = node.item, node.text, node.format
     -- self.buffer:setline(it('hello', 'MoreMsg'))
     local opts = self.opts
+    if not self.buffer:is_valid() then self.buffer:init() end
+
 
     for _, field in ipairs(opts.order) do
         if result[field] then
@@ -147,13 +149,17 @@ function M:process(_, result)
     local window = self.window
     local display_size = Trans.util.display_size(self.buffer:lines(), opts.width)
     if window and window:is_valid() then
-        ---@diagnostic disable-next-line: assign-type-mismatch
-        display_size.width = opts.auto_resize and math.min(opts.width, display_size.width + opts.padding) or nil
+        if opts.auto_resize then
+            display_size.width = math.min(opts.width, display_size.width + opts.padding)
+        else
+            display_size.width = nil
+        end
         window:resize(display_size)
+
     else
         window = self:init_window {
             height = math.min(opts.height, display_size.height),
-            width = math.min(opts.width, display_size.width),
+            width = math.min(opts.width, display_size.width + opts.padding),
         }
     end