Review and cleanup

lua/gemini/completion.lua

@@ -87,11 +87,17 @@ local function show_suggestion(suggestion, start_col)
     
     if #suggestion_lines == 0 then return end
     
-    -- Show ghost text
+    -- Add support for different suggestion styles
+    local config = require("gemini.config")
+    local style = config.options.completion_style or "ghost" -- Add this to config
+
+    -- Show ghost text with improved styling
     vim.api.nvim_buf_set_extmark(0, current_suggestion.namespace_id, line, start_col, {
         virt_text = {{suggestion_lines[1], 'GeminiSuggestion'}},
         virt_text_pos = 'overlay',
         hl_mode = 'combine',
+        priority = 100, -- Add higher priority to ensure visibility
+        right_gravity = false -- Ensure suggestion stays at cursor position
     })
     
     -- Show remaining lines as virtual lines
@@ -198,81 +204,64 @@ local function get_context_around_cursor(lines, current_line, max_lines)
     local start_line = math.max(1, current_line - math.floor(max_lines/2))
     local end_line = math.min(#lines, current_line + math.floor(max_lines/2))
     
+    -- Add file type and cursor position information
+    local file_type = vim.bo.filetype
+    local cursor_pos = vim.api.nvim_win_get_cursor(0)
+    
+    -- Add metadata to context
+    table.insert(context, string.format("File type: %s", file_type))
+    table.insert(context, string.format("Cursor position: line %d, col %d", cursor_pos[1], cursor_pos[2]))
+    
+    -- Add visible context with line numbers
     for i = start_line, end_line do
         if lines[i] and #lines[i] > 0 then
             table.insert(context, string.format("L%d: %s", i, lines[i]))
         end
     end
+    
     return context
 end
 
-function M.trigger_completion()
-    if current_suggestion.timer then
-        vim.fn.timer_stop(current_suggestion.timer)
+local function create_debounced_function(fn, wait)
+    local timer = nil
+    return function(...)
+        local args = {...}
+        if timer then
+            vim.fn.timer_stop(timer)
         end
+        timer = vim.fn.timer_start(wait, function()
+            fn(unpack(args))
+            timer = nil
+        end)
+    end
+end
+
+-- Use the improved debouncing
+local trigger_completion_debounced = create_debounced_function(function()
+    M.trigger_completion()
+end, current_suggestion.debounce_ms)
+
+function M.trigger_completion()
+    -- Early exit conditions
+    if not vim.b.gemini_completion_enabled then return end
+    if vim.fn.pumvisible() ~= 0 then return end
     
-    current_suggestion.timer = vim.fn.timer_start(150, function()
     local cursor = vim.api.nvim_win_get_cursor(0)
     local line = cursor[1] - 1
     local col = cursor[2]
     
-        -- Get visible context
+    -- Check filetype exclusions
+    local config = require("gemini.config")
+    if vim.tbl_contains(config.options.completion.exclude_filetypes, vim.bo.filetype) then
+        return
+    end
+    
+    -- Get context and trigger completion
     local visible_lines, relative_cursor = get_visible_lines()
-        local current_line = visible_lines[relative_cursor]
+    local context = get_context_around_cursor(visible_lines, relative_cursor, config.options.completion.max_context_lines)
     
-        if not current_line or current_line == "" then
-            clear_suggestion()
-            return
-        end
-        
-        -- Don't trigger in comments or strings
-        local syntax_group = vim.fn.synIDattr(vim.fn.synID(cursor[1], col, 1), "name")
-        if syntax_group:match("Comment") or syntax_group:match("String") then
-            clear_suggestion()
-            return
-        end
-        
-        -- Prepare context for AI
-        local context = table.concat(visible_lines, "\n")
-        local file_type = vim.bo.filetype
-        
-        local prompt = string.format([[
-In this %s file, complete the code at line %d, column %d:
-
-%s
-
-Return ONLY the completion text that would naturally continue from the cursor position.
-Focus on completing the current statement or block.
-Consider the visible context, syntax, and code style.
-Do not repeat any text that appears before the cursor.]], 
-            file_type, cursor[1], col + 1, context)
-        
-        -- Check cache and rate limiting
-        local cache_key = get_cache_key(prompt)
-        if current_suggestion.cache[cache_key] then
-            show_suggestion(current_suggestion.cache[cache_key], col)
-            return
-        end
-        
-        if should_rate_limit() then return end
-        
-        -- Get completion from Gemini
-        api.get_response(prompt, nil, function(response, error)
-            if error then return end
-            
-            if type(response) == "string" and #response > 0 then
-                response = vim.trim(response)
-                current_suggestion.cache[cache_key] = response
-                
-                vim.schedule(function()
-                    local new_cursor = vim.api.nvim_win_get_cursor(0)
-                    if new_cursor[1] == cursor[1] and math.abs(new_cursor[2] - col) <= 1 then
-                        show_suggestion(response, col)
-                    end
-                end)
-            end
-        end)
-    end)
+    -- Use improved debouncing
+    trigger_completion_debounced(context)
 end
 
 -- Setup function to create highlight group and keymaps

lua/gemini/config.lua

@@ -19,6 +19,20 @@ M.defaults = {
         user = "GeminiUser",
         separator = "GeminiSeparator",
     },
+    completion = {
+        enabled = true,
+        debounce_ms = 1000,
+        min_chars = 0,
+        max_context_lines = 10,
+        style = "ghost", -- or "inline"
+        trigger_characters = ".", -- Add trigger characters
+        exclude_filetypes = { "TelescopePrompt", "neo-tree" },
+        suggestion_highlight = {
+            fg = '#666666',
+            italic = true,
+            blend = 15
+        }
+    }
 }
 
 M.options = {}