local fn = vim.fn
local opt = vim.opt
local map = vim.api.nvim_set_keymap

local install_path = fn.stdpath('data')..'/site/pack/packer/start/packer.nvim'

if fn.empty(fn.glob(install_path)) > 0 then
  fn.system({'git', 'clone', 'https://github.com/wbthomason/packer.nvim', install_path})
  vim.cmd 'packadd packer.nvim'
end

require('packer').startup(function()
  use 'wbthomason/packer.nvim'                  -- Package Manager
  use 'nvim-lua/plenary.nvim'		                -- Lua Library
  use 'tpope/vim-commentary'		                -- Commentary
  use 'nvim-telescope/telescope.nvim'	          -- Fuzzy Finder
  use 'tamago324/lir.nvim'                      -- Filebrowser
end)

-- General Editor Settings
opt.termguicolors = true
vim.cmd('colorscheme zenburn')

vim.g.mapleader = ","
opt.mouse = "nv"
opt.pastetoggle = "ZP"

opt.number = true
opt.relativenumber = true

opt.statusline = ' %f %r %m%=%y %{&fileencoding?&fileencoding:&encoding}[%{&fileformat}] %p%% %l:%c '

opt.completeopt = 'menuone,noinsert,noselect'

map('n', 'ZT', '<cmd>w<cr>', { noremap = true })
map('n', 'ZO', '<cmd>!compiler %<cr>', { noremap = true })
map('n', 'ZK', '<cmd>!kdeconnect-cli -d 3993d52f1018a472 --share %<cr>', { noremap = true })
map('n', '<leader>/', '<cmd>let @/ = ""<cr>', { noremap = true })

-- Splits
map('n', '<C-h>', '<C-w>h', { noremap = true })
map('n', '<C-j>', '<C-w>j', { noremap = true })
map('n', '<C-k>', '<C-w>k', { noremap = true })
map('n', '<C-l>', '<C-w>l', { noremap = true })

opt.splitbelow = true
opt.splitright = true

-- Telescope
map('n', '<Leader>ff', '<cmd>lua require("telescope.builtin").find_files()<cr>', {noremap = true})
map('n', '<leader>fg', '<cmd>lua require("telescope.builtin").live_grep()<cr>', {noremap = true})
map('n', '<leader>fb', '<cmd>lua require("telescope.builtin").buffers()<cr>', {noremap = true})
map('n', '<leader>fh', '<cmd>lua require("telescope.builtin").help_tags()<cr>', {noremap = true})

-- Lir Filebrowser
local actions = require('lir.actions')

require('lir').setup {
  devicons_enable = false,
  mappings = {
    ['l']     = actions.edit,
    ['<C-s>'] = actions.split,
    ['<C-v>'] = actions.vsplit,
    ['<C-t>'] = actions.tabedit,

    ['h']     = actions.up,
    ['q']     = actions.quit,

    ['K']     = actions.mkdir,
    ['N']     = actions.newfile,
    ['R']     = actions.rename,
    ['@']     = actions.cd,
    ['Y']     = actions.yank_path,
    ['.']     = actions.toggle_show_hidden,
    ['x']     = actions.delete,
  },
  float = {
    winblend = 0,
    win_opts = function()
      local width = math.floor(vim.o.columns * 0.6)
      local height = math.floor(vim.o.lines * 0.6)
      return {
        width = width,
        height = height,
        row = 10,
        col = math.floor((vim.o.columns - width) / 2),
      }
    end,
  },
  hide_cursor = true
}

map('n', '<C-n>', '<cmd>lua require("lir.float").toggle()<cr>', { noremap = true })
vim.g.loaded_netrw = 1
vim.g.loaded_netrwPlugin = 1