From 04072337f42b61598f47a84007dbfc388850fbae Mon Sep 17 00:00:00 2001
From: t0xa <pro100ton@gmail.com>
Date: Fri, 17 Oct 2025 10:09:33 +0300
Subject: [PATCH] Markdown: Add some tools to work with markdown files

- Add links snippet
- Add Telescope picker for headers
---
 ftplugin/markdown.lua            | 50 ++++++++++++++++++++++++++++++++
 lua/custom/snippets/markdown.lua | 22 ++++++++++++++
 lua/custom/telescope.lua         |  8 +++--
 3 files changed, 77 insertions(+), 3 deletions(-)
 create mode 100644 ftplugin/markdown.lua
 create mode 100644 lua/custom/snippets/markdown.lua

diff --git a/ftplugin/markdown.lua b/ftplugin/markdown.lua
new file mode 100644
index 0000000..868f479
--- /dev/null
+++ b/ftplugin/markdown.lua
@@ -0,0 +1,50 @@
+local keymap = vim.keymap
+
+-- Picker for markdown headers
+local pickers = require("telescope.pickers")
+local finders = require("telescope.finders")
+local conf = require("telescope.config").values
+local actions = require("telescope.actions")
+local action_state = require("telescope.actions.state")
+
+local function markdown_headings()
+  local bufnr = vim.api.nvim_get_current_buf()
+  local lines = vim.api.nvim_buf_get_lines(bufnr, 0, -1, false)
+  local headings = {}
+
+  for lnum, line in ipairs(lines) do
+    local heading = line:match('^(#+%s+.+)$')
+    if heading then
+      table.insert(headings, {
+        lnum = lnum,
+        text = heading,
+        display = string.format("%4d: %s", lnum, heading)
+      })
+    end
+  end
+  pickers.new({}, {
+    prompt_title = 'Markdown Headings',
+    finder = finders.new_table {
+      results = headings,
+      entry_maker = function(entry)
+        return {
+          value = entry,
+          display = entry.display,
+          ordinal = entry.text,
+          lnum = entry.lnum,
+        }
+      end
+    },
+    sorter = conf.generic_sorter({}),
+    attach_mappings = function(prompt_bufnr, map)
+      actions.select_default:replace(function()
+        actions.close(prompt_bufnr)
+        local selection = action_state.get_selected_entry()
+        vim.api.nvim_win_set_cursor(0, {selection.value.lnum, 0})
+      end)
+      return true
+    end,
+  }):find()
+end
+
+keymap.set("n", "<leader>fdh", markdown_headings, { desc = "Grep: Markdown headings" })
diff --git a/lua/custom/snippets/markdown.lua b/lua/custom/snippets/markdown.lua
new file mode 100644
index 0000000..01cd71e
--- /dev/null
+++ b/lua/custom/snippets/markdown.lua
@@ -0,0 +1,22 @@
+require("luasnip.session.snippet_collection").clear_snippets "markdown"
+local ls = require "luasnip"
+local s = ls.snippet
+local t = ls.text_node
+local i = ls.insert_node
+local f = ls.function_node
+
+ls.add_snippets(
+  "markdown",
+  {
+    s("link", {
+      t("["), i(1, "description"), t("]("),
+      f(function()
+        local clip = vim.fn.getreg("+")
+        if clip == "" then
+          return "url"
+        end
+        return clip
+      end),
+      t(")"), i(0),
+    }),
+  })
diff --git a/lua/custom/telescope.lua b/lua/custom/telescope.lua
index c541742..396a18a 100644
--- a/lua/custom/telescope.lua
+++ b/lua/custom/telescope.lua
@@ -11,11 +11,12 @@ pcall(require("telescope").load_extension, "fzf")
 local function live_grep_with_glob()
   vim.ui.input({
     prompt = "Glob pattern: ",
-    default = "",  -- Optional default value
+    default = "/home/user/Work/root/ivideon/cloud_analytics/person_detection_node", -- Optional default value
   }, function(input)
     if input then
       require('telescope.builtin').live_grep({
-        glob_pattern = input
+        -- glob_pattern = input,
+        search_dirs = { input }
       })
     end
   end)
@@ -23,6 +24,7 @@ end
 
 local builtin = require("telescope.builtin")
 local keymap = vim.keymap
+
 -- Create a Neovim command
 vim.api.nvim_create_user_command('TelescopeGrepGlob', live_grep_with_glob, {})
 
@@ -33,5 +35,5 @@ keymap.set("n", "<leader>fg", builtin.live_grep, { desc = "FZF: find string in c
 keymap.set("n", "<leader>fb", builtin.buffers, { desc = "FZF: display opened buffers" })
 keymap.set("n", "<leader>fh", builtin.help_tags, { desc = "FZF: display help tags" })
 keymap.set("n", "<leader>ft", "<cmd>TodoTelescope<cr>", { desc = "FZF: display TODO comments" })
-keymap.set("n", "<leader>fds", builtin.lsp_document_symbols, { desc = "FZF: Document symbols" })
+keymap.set("n", "<leader>fds", builtin.lsp_document_symbols, { desc = "Grep: Document symbols" })
 keymap.set('n', '<leader>fp', live_grep_with_glob, { desc = 'Live grep with glob pattern' })