--[[ key.lua ]]


------------- Shorten Function Names --------------
local keymap = vim.keymap
local map = function(mode, l, r, opts)
  opts = opts or {}
  opts.silent = true
  opts.noremap = true
  keymap.set(mode, l, r, opts)
end
local term_opts = { noremap = true, silent = false }


--------------- Standard Operations ---------------
-- Semi-colon as leader key
vim.g.mapleader = ";"

-- Jump to next match on line using `.` instead of `;` NOTE: commented out in favour of "ggandor/flit.nvim"
--map("n", ".", ";")

-- Repeat last command using `<Space>` instead of `.` NOTE: commented out in favour of "ggandor/flit.nvim"
--map("n", "<Space>", ".")

-- "jj" to exit insert-mode
map("i", "jj", "<esc>")

-- Reload nvim config
map("n", "<leader><CR>", "<cmd>luafile ~/.config/nvim/init.lua<CR> | :echom ('Nvim config loading...') | :sl! | echo ('')<CR>")


--------------- Extended Operations ---------------
-- Combine buffers list with buffer name
map("n", "<Leader>b", ":buffers<CR>:buffer<Space>")

-- Buffer confirmation
map("n", "<leader>y", ":BufferPick<CR>")

-- Map buffer next, prev and delete to <leader>+(n/p/d) respectively
map("n", "<leader>n", ":bn<cr>")
map("n", "<leader>p", ":bp<cr>")
map("n", "<leader>d", ":bd<cr>")

-- List marks
map("n", "<Leader>m", ":marks<CR>")

-- Toggle set number
map("n", "<leader>$", ":NumbersToggle<CR>")
map("n", "<leader>%", ":NumbersOnOff<CR>")

-- Easier split navigations, just ctrl-j instead of ctrl-w then j
--map("n", "<C-J>", "<C-W><C-J>")
--map("n", "<C-K>", "<C-W><C-K>")
--map("n", "<C-L>", "<C-W><C-L>")
--map("n", "<C-H>", "<C-W><C-H>")

-- Split window
map("n", "<leader>h", ":split<CR>")
map("n", "<leader>v", ":vsplit<CR>")
map("n", "<leader>c", "<C-w>c")

-- Resize Panes
map("n", "<Leader>+", ":resize +5<CR>")
map("n", "<Leader>-", ":resize -5<CR>")
map("n", "<Leader><", ":vertical resize +5<CR>")
map("n", "<Leader>>", ":vertical resize -5<CR>")
map("n", "<Leader>=", "<C-w>=")

-- Map Alt+(h/j/k/l) in insert mode to move directional
map("i", "<A-h>", "<left>")
map("i", "<A-j>", "<down>")
map("i", "<A-k>", "<up>")
map("i", "<A-l>", "<right>")

-- Map Alt+(h/j/k/l) in command mode to move directional
map("c", "<A-h>", "<left>")
map("c", "<A-j>", "<down>")
map("c", "<A-k>", "<up>")
map("c", "<A-l>", "<right>")

-- Map Alt+(h/j/k/l) in selection mode to move directional
map("s", "<A-h>", "<left>")
map("s", "<A-j>", "<down>")
map("s", "<A-k>", "<up>")
map("s", "<A-l>", "<right>")

-- Create tab, edit and move between them
map("n", "<C-T>n", ":tabnew<CR>")
map("n", "<C-T>e", ":tabedit")
map("n", "<leader>[", ":tabprev<CR>")
map("n", "<leader>]", ":tabnext<CR>")

-- "Zoom" a split window into a tab and/or close it
--map("n", "<Leader>,", ":tabnew %<CR>")
--map("n", "<Leader>.", ":tabclose<CR>")

-- Vim TABs
map("n", "<leader>1", "1gt<CR>")
map("n", "<leader>2", "2gt<CR>")
map("n", "<leader>3", "3gt<CR>")
map("n", "<leader>4", "4gt<CR>")
map("n", "<leader>5", "5gt<CR>")
map("n", "<leader>6", "6gt<CR>")
map("n", "<leader>7", "7gt<CR>")
map("n", "<leader>8", "8gt<CR>")
map("n", "<leader>9", "9gt<CR>")
map("n", "<leader>0", "10gt<CR>")

-- Move to the next and previous item in the quickfixlist
--map("n", "]c", "<Cmd>cnext<CR>")
--map("n", "[c", "<Cmd>cprevious<CR>")

-- Hitting ESC when inside a terminal to get into normal mode
--map("t", "<Esc>", [[<C-\><C-N>]])

-- Move block (indentation) easily
map("n", "<", "<<", term_opts)
map("n", ">", ">>", term_opts)
map("x", "<", "<gv", term_opts)
map("x", ">", ">gv", term_opts)

-- Set alt+(j/k) to switch lines of texts or simply move them
map("n", "<A-k>", ':let save_a=@a<Cr><Up>"add"ap<Up>:let @a=save_a<Cr>')
map("n", "<A-j>", ':let save_a=@a<Cr>"add"ap:let @a=save_a<Cr>')

-- Search and replace
map("v", "<leader>sr", 'y:%s/<C-r><C-r>"//g<Left><Left>c')

-- Map delete to Ctrl+l
map("i", "<C-l>", "<Del>")

-- Clear screen
map("n", "<leader><C-l>", "<Cmd>!clear<CR>")

-- Change file to an executable
map("n", "<leader>x", ":!chmod +x %<CR>")

-- Paste without replace clipboard
map("v", "p", '"_dP')

-- Swap two pieces of text, use x to cut in visual mode, then use Ctrl-x in
-- visual mode to select text to swap with
map("v", "<C-X>", "<Esc>`.``gvP``P")

-- Clear messages or just refresh/redraw the screen
map("n", "<leader>u", ":echo '' | redraw<CR>")

-- Change Working Directory to current project
map("n", "<leader>cd", ":cd %:p:h<CR>:pwd<CR>")

-- Open the current file in the default program (on Mac this should just be just `open`)
map('n', '<leader>o', ':!xdg-open %<cr><cr>')

-- Unsets the 'last search pattern' register by hitting return
--map("n", "<CR>", "!silent :noh<CR><CR>")

-- Toggle completion
map("n", "<Leader>tc", ":lua require('user.utils').toggle_completion()<CR>")

-- Disable default completion.
map('i', '<C-n>', '<Nop>')
map('i', '<C-p>', '<Nop>')

-- Set line wrap
map("n", "<M-z>", function()
	local wrap_status = vim.api.nvim_exec("set wrap ?", true)

	if wrap_status == "nowrap" then
		vim.api.nvim_command("set wrap linebreak")
		print("Wrap enabled")
	else
		vim.api.nvim_command("set wrap nowrap")
		print("Wrap disabled")
	end
end, { silent = true })

-- Toggle between folds
--utils.map("n", "<F2>", "&foldlevel ? 'zM' : 'zR'", { expr = true })

-- Use space to toggle fold
--utils.map("n", "<Space>", "za")

-- Make a copy of current file
vim.cmd([[
  map <leader>s :up \| saveas! %:p:r-<C-R>=strftime("%y.%m.%d-%H:%M")<CR>-bak.<C-R>=expand("%:e")<CR> \| 3sleep \| e #<CR>
]])

-- Toggle transparency
vim.cmd([[
  let t:is_transparent = 0
  function! Toggle_transparent_background()
    if t:is_transparent == 0
      hi Normal guibg=#111111 ctermbg=black
      let t:is_transparent = 1
    else
      hi Normal guibg=NONE ctermbg=NONE
      let t:is_transparent = 0
    endif
  endfunction
  nnoremap <leader>tb :call Toggle_transparent_background()<CR>
]])
--keymap('n', '<leader>tb', ':Toggle_transparent_background<CR>')

-- Toggle zoom
vim.cmd([[
  function! s:ZoomToggle() abort
      if exists('t:zoomed') && t:zoomed
          execute t:zoom_winrestcmd
          let t:zoomed = 0
      else
          let t:zoom_winrestcmd = winrestcmd()
          resize
          vertical resize
          let t:zoomed = 1
      endif
  endfunction
  command! ZoomToggle call s:ZoomToggle()
 ]])
map("n", "<leader>z", ":ZoomToggle<CR>")

-- Toggle statusline
vim.cmd([[
let s:hidden_all = 0
function! ToggleHiddenAll()
    if s:hidden_all  == 0
        let s:hidden_all = 1
        set noshowmode
        set noruler
        set laststatus=0
        set noshowcmd
    else
        let s:hidden_all = 0
        set showmode
        set ruler
        set laststatus=2
        set showcmd
    endif
endfunction
nnoremap <S-h> :call ToggleHiddenAll()<CR>
]])

-- Open last closed buffer
vim.cmd([[
  function! OpenLastClosed()
      let last_buf = bufname('#')
      if empty(last_buf)
          echo "No recently closed buffer found"
          return
      endif
      let result = input("Open ". last_buf . " in (n)ormal (v)split, (t)ab or (s)plit ? (n/v/t/s) : ")
      if empty(result) || (result !=# 'v' && result !=# 't' && result !=# 's' && result !=# 'n')
          return
      endif
      if result ==# 't'
          execute 'tabnew'
      elseif result ==# 'v'
          execute "vsplit"
      elseif result ==# 's'
          execute "split"
      endif
      execute 'b ' . last_buf
  endfunction
 ]])
map("n", "<C-t>", ":call OpenLastClosed() <CR>")


---------------- Plugin Operations ----------------
-- Packer
map("n", "<leader>Pc", "<cmd>PackerCompile<cr>")
map("n", "<leader>Pi", "<cmd>PackerInstall<cr>")
map("n", "<leader>Ps", "<cmd>PackerSync<cr>")
map("n", "<leader>PS", "<cmd>PackerStatus<cr>")
map("n", "<leader>Pu", "<cmd>PackerUpdate<cr>")

-- Tmux navigation (aserowy/tmux.nvim)
map('n', '<C-h>', '<CMD>NavigatorLeft<CR>')
map('n', '<C-l>', '<CMD>NavigatorRight<CR>')
map('n', '<C-k>', '<CMD>NavigatorUp<CR>')
map('n', '<C-j>', '<CMD>NavigatorDown<CR>')

-- ToggleTerm
--map("n", "<leader>tt", "<cmd>ToggleTerm<cr>")

-- LazyGit
map("n", "<leader>gg", ":LazyGit<CR>")

-- Fugitive git bindings
map("n", "<leader>ga", ":Git add %:p<CR><CR>")
--map("n", "<leader>gs", ":Gstatus<CR>")
map("n", "<leader>gc", ":Gcommit -v -q<CR>")
map("n", "<leader>gt", ":Gcommit -v -q %:p<CR>")
--map("n", "<leader>gd", ":Gdiff<CR>")
map("n", "<leader>ge", ":Gedit<CR>")
--map("n", "<leader>gr", ":Gread<Cj>")
map("n", "<leader>gw", ":Gwrite<CR><CR>")
map("n", "<leader>gl", ":silent! Glog<CR>:bot copen<CR>")
--map("n", "<leader>gp", ":Ggrep<Space>")
--map("n", "<Leader>gp", ":Git push<CR>")
--map("n", "<Leader>gb", ":Gblame<CR>")
map("n", "<leader>gm", ":Gmove<Space>")
--map("n", "<leader>gb", ":Git branch<Space>")
--map("n", "<leader>go", ":Git checkout<Space>")
--map("n", "<leader>gps", ":Dispatch! git push<CR>")
--map("n", "<leader>gpl", ":Dispatch! git pull<CR>")
--  map["<C-\\>"] = { "<cmd>ToggleTerm<cr>", desc = "Toggle terminal" }
--  map["<leader>gg"] = { function() toggle_term_cmd "lazygit" end, desc = "ToggleTerm lazygit" }
--  map["<leader>tn"] = { function() toggle_term_cmd "node" end, desc = "ToggleTerm node" }
--  map["<leader>tu"] = { function() toggle_term_cmd "ncdu" end, desc = "ToggleTerm NCDU" }
--  map["<leader>tt"] = { function() toggle_term_cmd "htop" end, desc = "ToggleTerm htop" }
--  map["<leader>tp"] = { function() toggle_term_cmd "python" end, desc = "ToggleTerm python" }
--  map["<leader>tl"] = { function() toggle_term_cmd "lazygit" end, desc = "ToggleTerm lazygit" }
--  map["<leader>tf"] = { "<cmd>ToggleTerm direction=float<cr>", desc = "ToggleTerm float" }
--  map["<leader>th"] = { "<cmd>ToggleTerm size=10 direction=horizontal<cr>", desc = "ToggleTerm horizontal split" }
--  map["<leader>tv"] = { "<cmd>ToggleTerm size=80 direction=vertical<cr>", desc = "ToggleTerm vertical split" }
--end

-- Telescope
map("n", "<leader>ff", function() require("telescope.builtin").find_files { hidden = true, no_ignore = true } end) -- find all files
map("n", "<leader>fF", "<cmd>lua require('telescope.builtin').find_files()<cr>") -- find files with hidden option
map("n", "<leader>fb", "<cmd>lua require('telescope.builtin').current_buffer_fuzzy_find()<cr>")
map("n", "<leader>fc", "<cmd>lua require('telescope.builtin').commands()<cr>")
map("n", "<leader>fg", "<cmd>lua require('telescope.builtin').live_grep()<cr>")
map("n", "<leader>fp", "<cmd>Telescope pickers<cr>")
map("n", "<leader>fr", "<cmd>lua require('telescope.builtin').registers({})<CR>") -- registers picker
map("n", "<leader>cf", "<cmd>Telescope changed_files<cr>")
map("n", "<leader>fd", "<cmd>lua require('telescope.builtin').diagnostics()<cr>")
map("n", "<leader>fh", "<cmd>lua require('telescope.builtin').help_tags()<cr>")
map("n", "<leader>fk", "<cmd>lua require('telescope.builtin').keymaps()<cr>")
map("n", "<leader>fn", [[<Cmd>lua require'plugins.telescope'.find_notes()<CR>]]) -- find notes
map("n", "<leader>fgn", [[<Cmd>lua require'plugins.telescope'.grep_notes()<CR>]]) -- search notes
map("n", "<leader>f.", [[<Cmd>lua require'plugins.telescope'.find_configs()<CR>]]) -- find configs
map("n", "<leader>fm", "<cmd>lua require('telescope').extensions.media_files.media_files({})<cr>") -- find media files

-- FZF
map("n", "<leader>fz", "<cmd>lua require('fzf-lua').files()<CR>")

-- Nvim-tree
map("n", "<leader>f", ":NvimTreeToggle<CR>", {})

-- Markdown-preview
map("n", "<leader>md", "<Plug>MarkdownPreviewToggle")

-- Autopairs
Toggle_autopairs = function()
	local ok, autopairs = pcall(require, "nvim-autopairs")
	if ok then
		if autopairs.state.disabled then
			autopairs.enable()
			print("autopairs on")
		else
			autopairs.disable()
			print("autopairs off")
		end
	else
		print("autopairs not available")
	end
end
map("n", "<leader>ww", ":lua Toggle_autopairs()<CR>", term_opts)

-- Tabularize
--vim.cmd([[
--  vnoremap <expr> <Leader>mm ':Tabularize /^\s*\S.*\zs' . split(&commentstring, '%s')[0] . "<CR>"
--  nnoremap <expr> <Leader>mm ':Tabularize /^\s*\S.*\zs' . split(&commentstring, '%s')[0] . "<CR>"
--  "nnoremap <leader>i mc40A <esc>080lDgelD`cP
--  "vnoremap <leader>ii mc0f-20i<Space><Esc>`cdt=j
--]])

-- EasyAlign
--vim.cmd([[
--  " Start interactive EasyAlign in visual mode (e.g. vipga)
--  xmap ga <Plug>(EasyAlign)
--  " Start interactive EasyAlign for a motion/text object (e.g. gaip)
--  nmap ga <Plug>(EasyAlign)
--  if !exists('g:easy_align_delimiters')
--    let g:easy_align_delimiters = {}
--  endif
--  let g:easy_align_delimiters['--'] = { 'pattern': '--', 'ignore_groups': ['String'] }
--  nnoremap <F1> 21A <Esc>d21\|
--  imap <F1> <Esc><F1>a
--]])