jumplist.lua

---@diagnostic disable: missing-fields, inject-field
---@type wk.Plugin
local M = {}
M.name = "jumplist"
M.mappings = {
  icon = { icon = "󰸕 ", color = "orange" },
  plugin = "jumplist",
  { "~", desc = "jumplist" },
}
M.cols = {
  { key = "lnum", hl = "Number", align = "right" },
  -- { key = "file", hl = "Directory" },
  { key = "value", hl = "Comment" },
}
function convert(i)
  if i >= 0 and i <= 9 then
    return tostring(i) -- Convert numbers 0-9 to their string representation
  elseif i >= 10 and i <= 37 then
    return string.char(97 + (i - 10)) -- Convert 10-37 to 'a'-'z'
  else
    return nil -- Handle invalid input
  end
end
function M.expand()
  local items = {} ---@type wk.Plugin.item[]

  local output = vim.fn.execute("jumps")
  local lines = vim.split(output, "\n")

  -- Reverse the lines
  local reversed_lines = {}
  for i = #lines, 1, -1 do
    local line = lines[i]
    -- Skip empty lines and the header line
    if line ~= "" and not line:match("^jump%s+line%s+col%s+file/text") then
      table.insert(reversed_lines, line)
    end
  end

  local x = 0
  local y = 0
  for i, line in ipairs(reversed_lines) do
    -- Skip the header line
    if i > 0 then
      -- Extract jump index, line number, column, and file path/text
      local jump, line_num, col, file = string.match(line, "(%d+)%s+(%d+)%s+(%d+)%s*(.*)")

      if jump and line_num and col then
        local expanded_file = ""

        -- Ensure file is a valid string before expanding
        if file and file ~= "" then
          local success, result = pcall(vim.fn.expand, file)
          expanded_file = success and result or file -- Fallback to original if expand fails
        else
          expanded_file = vim.api.nvim_buf_get_name(0) -- Use current buffer name if empty
        end

        local file_name = vim.fn.fnamemodify(expanded_file, ":t") -- Extract filename
        local file_text = ""

        -- Check if 'expanded_file' is a real file
        if vim.fn.filereadable(expanded_file) == 1 then
          local file_lines = vim.fn.readfile(expanded_file)
          local line_idx = tonumber(line_num)

          if file_lines and line_idx > 0 and line_idx <= #file_lines then
            file_text = file_lines[line_idx]
          end
        else
          expanded_file = vim.api.nvim_buf_get_name(0) -- Use current buffer name if empty
          file_name = vim.fn.fnamemodify(expanded_file, ":t") -- Extract filename
          file_text = file

          x = x + 1

          if x < 36 then
            y = convert(x)
            table.insert(items, {
              key = tostring(y),
              desc = "",
              value = vim.trim(file_text),
              highlights = {
                { 1, #jump, "Number" },
                { #jump + 1, #jump + #col + 1, "Comment" },
              },
              jump = tonumber(jump),
              col = tonumber(col),
              file = file_name,
              -- file = vim.fn.fnamemodify(file, ":p:~:."),
              lnum = tonumber(line_num),
              x = x,
              y = y,

              action = function()
                vim.cmd("norm! " .. line_num .. "G")
              end,
            })
          end
        end
        -- Print jump information
        -- print(
        --   string.format(
        --     "Jump: %s, Line: %s, Column: %s, File: %s (Filename: %s) %s",
        --     jump,
        --     line_num,
        --     col,
        --     expanded_file,
        --     file_name,
        --     file_text ~= "" and ("-> " .. file_text) or ""
        --   )
        -- )
      end
    end
  end

  -- Sort jumps in descending order
  -- table.sort(items, function(a, b)
  --   return a.x > b.x
  -- end)

  return items
end

return M