style(core.*, health.lua): better code style and backend strategy

lua/Trans/core/conf.lua

@@ -1,97 +1,88 @@
+local title
+if vim.fn.has('nvim-0.9') == 1 then
+    title = {
+        { '',       'TransTitleRound' },
+        { ' Trans', 'TransTitle' },
+        { '',       'TransTitleRound' },
+    }
+end
+
 return {
-    view = {
-        i = 'float',
-        n = 'hover',
-        v = 'hover',
-    },
-    hover = {
-        width = 37,
-        height = 27,
-        border = 'rounded',
-        title = vim.fn.has('nvim-0.9') == 1 and {
-                { '',       'TransTitleRound' },
-                { ' Trans', 'TransTitle' },
-                { '',       'TransTitleRound' },
-            } or nil,
-        keymap = {
-            pageup = '[[',
-            pagedown = ']]',
-            pin = '<leader>[',
-            close = '<leader>]',
-            toggle_entry = '<leader>;',
-            play = '_',
-        },
-        animation = {
-            -- open = 'fold',
-            -- close = 'fold',
-            open = 'slid',
-            close = 'slid',
-            interval = 12,
-        },
-        auto_close_events = {
-            'InsertEnter',
-            'CursorMoved',
-            'BufLeave',
-        },
-        auto_play = true,
-        timeout = 2000,
-        spinner = 'dots', -- 查看所有样式: /lua/Trans/util/spinner
-        -- spinner = 'moon'
-    },
-    order = { -- only work on hover mode
-        'title',
-        'tag',
-        'pos',
-        'exchange',
-        'translation',
-        'definition',
-    },
-    icon = {
-        star = '',
-        notfound = ' ',
-        yes = '✔',
-        no = '',
-        -- --- char: ■ | □ | ▇ | ▏ ▎ ▍ ▌ ▋ ▊ ▉ █
-        -- --- ◖■■■■■■■◗▫◻ ▆ ▆ ▇⃞ ▉⃞
-        cell = '■',
-        -- star = '⭐',
-        -- notfound = '❔',
-        -- yes = '✔️',
-        -- no = '❌'
-    },
-    theme = 'default',
+    theme = 'default', -- see lua/Trans/style/theme.lua
+    auto_play = true,
     dir = vim.fn.expand('$HOME/.vim/dict'),
-    -- float = {
-    --     width = 0.8,
-    --     height = 0.8,
-    --     border = 'rounded',
-    --     keymap = {
-    --         quit = 'q',
-    --     },
-    --     animation = {
-    --         open = 'fold',
-    --         close = 'fold',
-    --         interval = 10,
-    --     },
-    --     tag = {
-    --         wait = '#519aba',
-    --         fail = '#e46876',
-    --         success = '#10b981',
-    --     },
-    -- },
+    strategy = {
+        frontend = 'hover',
+        backend = '*',
+    },
+    backend = {
+        timeout = 2000,
+    },
+    frontend = {
+        hover = {
+            title = title, -- need nvim-0.9
+            width = 37,
+            height = 27,
+            border = 'rounded',
+            keymap = {
+                pageup = '[[',
+                pagedown = ']]',
+                pin = '<leader>[',
+                close = '<leader>]',
+                toggle_entry = '<leader>;',
+                play = '_',
+            },
+            animation = {
+                open = 'slid', -- 'fold', 'slid'
+                close = 'slid',
+                interval = 12,
+            },
+            auto_close_events = {
+                'InsertEnter',
+                'CursorMoved',
+                'BufLeave',
+            },
+            order = {
+                'title',
+                'tag',
+                'pos',
+                'exchange',
+                'translation',
+                'definition',
+            },
+            spinner = 'dots', -- see: /lua/Trans/style/spinner
+        },
+    },
+    -- or use emoji
+    icon = {
+        star = '',    -- ⭐
+        notfound = ' ', -- ❔
+        yes = '✔',     -- ✔️
+        no = '',      -- ❌
+        cell = '■',    -- ■ | □ | ▇ | ▏ ▎ ▍ ▌ ▋ ▊ ▉ █
+    },
 }
 
 
--- ---Pasue Handler for {ms} milliseconds
--- ---@param ms number @milliseconds
--- M.pause = function(ms)
---     local co = coroutine.running()
---     vim.defer_fn(function()
---         coroutine.resume(co)
---     end, ms)
---     coroutine.yield()
--- end
-
+-- TODO :
+-- float = {
+--     width = 0.8,
+--     height = 0.8,
+--     border = 'rounded',
+--     keymap = {
+--         quit = 'q',
+--     },
+--     animation = {
+--         open = 'fold',
+--         close = 'fold',
+--         interval = 10,
+--     },
+--     tag = {
+--         wait = '#519aba',
+--         fail = '#e46876',
+--         success = '#10b981',
+--     },
+-- },
 
 -- local title = {
 --     "████████╗██████╗  █████╗ ███╗   ██╗███████╗",
@@ -101,5 +92,3 @@ return {
 --     "   ██║   ██║  ██║██║  ██║██║ ╚████║███████║",
 --     "   ╚═╝   ╚═╝  ╚═╝╚═╝  ╚═╝╚═╝  ╚═══╝╚══════╝",
 --}
-
--- string.width = api.nvim_strwidth

lua/Trans/core/translate.lua

@@ -1,20 +1,34 @@
-local M = require('Trans')
-local util = M.util
+local Trans = require('Trans')
+local util = Trans.util
 
+local backends = {
+    'offline',
+    'baidu',
+}
 
-local process
-process = function(opts)
+local function new_data(opts)
     opts = opts or {}
-    local mode = opts.mode or vim.api.nvim_get_mode().mode
-    local str = util.get_str(mode)
+    local method = opts.method or ({
+        n = 'normal',
+        v = 'visual',
+    })(vim.api.nvim_get_mode().mode)
+
+    local str = util.get_str(method)
     if str == '' then return end
 
+    local strategy = Trans.conf.strategy[method] or Trans.conf.strategy
     local data = {
         str = str,
-        view = opts.view or M.conf.view[mode],
-        mode = mode,
+        method = method,
+        frontend = strategy.frontend,
     }
 
+    local backend = strategy.backend
+    if type(backend) == 'string' then
+        backend = backend == '*' and backends or { backend }
+    end
+    data.backend = backend
+
     if util.is_English(str) then
         data.from = 'en'
         data.to = 'zh'
@@ -22,8 +36,10 @@ process = function(opts)
         data.from = 'zh'
         data.to = 'en'
     end
+    return data
+end
 
-
+local function set_result(data)
     require('Trans.backend').baidu.query(data)
     local thread = coroutine.running()
     local resume = function()
@@ -38,8 +54,22 @@ process = function(opts)
         coroutine.yield()
     end
     vim.pretty_print(data)
+end
 
-    M.translate = coroutine.wrap(process)
+local function render_window()
+    
+end
+
+local function process(opts)
+    Trans.translate = coroutine.wrap(process)
+
+    local data = new_data(opts)
+    if not data then return end
+
+    set_result(data)
+    if data.result == false then return end
+
+    render_window()
 end
 
 return coroutine.wrap(process)

lua/Trans/core/util.lua

@@ -1,8 +1,7 @@
 local M = {}
-
 local fn, api = vim.fn, vim.api
 
-M.get_select = function()
+function M.get_select()
     local _start = fn.getpos("v")
     local _end = fn.getpos('.')
 
@@ -33,24 +32,24 @@ M.get_select = function()
 end
 
 ---Get Text which need to be translated
----@param mode string 'n' | 'v' | 'i'
+---@param method string 'n' | 'v' | 'i'
 ---@return string
-M.get_str = function(mode)
-    if mode == 'n' then
-        return fn.expand('<cword>')
-    elseif mode == 'v' then
-        api.nvim_input('<ESC>')
-        return M.get_select()
-    elseif mode == 'i' then
-        -- TODO Use Telescope with fuzzy finder
-        ---@diagnostic disable-next-line: param-type-mismatch
-        return fn.input('请输入需要查询的单词:')
-    else
-        error('invalid mode: ' .. mode)
-    end
+function M.get_str(method)
+    return ({
+        normal = function()
+            return fn.expand('<cword>')
+        end,
+        visual = function()
+            api.nvim_input('<ESC>')
+            return M.get_select()
+        end,
+        input = function()
+            return fn.input('请输入需要查询的单词:')
+        end,
+    })(method)()
 end
 
-M.is_English = function(str)
+function M.is_English(str)
     local char = { str:byte(1, -1) }
     for i = 1, #str do
         if char[i] > 128 then