-- make .h files default to c code
vim.filetype.add({ extension = { h = "c", }, })

-- numbers
vim.o.nu = true
vim.o.rnu = true

-- buffer
vim.o.lbr = true -- fix where line is wraped
vim.o.cul = true
vim.o.cc = "80"

-- indents + tabs
local tabwidth = 2
vim.o.ts = tabwidth
vim.o.sw = tabwidth
vim.o.sts = -1

-- Schedule the setting after `UiEnter` because it can increase startup-time.
-- (yoinked from kickstart.nvim)
vim.schedule(function()
  vim.o.cb = "unnamedplus" -- system clipboard
end)

-- file saving
vim.o.swf = false
vim.o.udf = true

-- searching
vim.o.ic = true

-- wild menus
vim.o.ph = 20
vim.o.wic = true
vim.o.wop = "fuzzy,pum,tagfile"

-- completion
vim.o.cot = "menu,menuone,noinsert,fuzzy,popup"
vim.o.cia = "kind,abbr,menu"

-- make windows look nice
vim.o.winborder = "solid"

do -- statusline
  ---@return string out formatted status line
  function _G.Status()
    --- get the percentage through the file
    ---@return string out the formatted percentage
    local function percentage()
      local percent, line, lines

      -- get the current and total # of lines
      line = vim.api.nvim_win_get_cursor(0)[1]
      lines = vim.api.nvim_buf_line_count(0)

      -- calculate the percentage through the file
      percent = math.floor((line / lines) * 100)
      if percent == 0 or line == 1 then
        return "Top"
      elseif percent == 100 or line == lines then
        return "Bot"
      end

      return percent.."%%"
    end

    -- this is my statusline:
    --
    -- opts.lua [+]                                     λ1 163,61-60        88%
    --
    return table.concat {
      "%t", -- file name
      " %h", -- help buffer tag
      "%m", -- modify tag
      "%r", -- readonly flag
      "%=", -- seperate left and right side

      -- print out the number of lsp clients attached with nice colors :)
      "λ"..#vim.lsp.get_clients({ bufnr = 0 }), " ",

      "%<", -- we can start truncating here (I want to keep the file name)
      "%l,%c%V", -- line, column-virtual column
      "%<", -- we can start truncating here
      "        "..percentage() -- percentage through the buffer
    }
  end
  vim.o.stl = "%!v:lua.Status()"
  vim.o.ls = 3
end