my-nvim-setup/lua/mappings.lua

local user_map = require("chadrc").mappings
local miscMap = user_map.misc

local M = {}
local cmd = vim.cmd

local function map(mode, lhs, rhs, opts)
    local options = {noremap = true, silent = true}
    if opts then
        options = vim.tbl_extend("force", options, opts)
    end
    vim.api.nvim_set_keymap(mode, lhs, rhs, options)
end

local opt = {}

-- dont copy any deleted text , this is disabled by default so uncomment the below mappings if you want them
--[[ remove this line

map("n", "dd", [=[ "_dd ]=], opt)
map("v", "dd", [=[ "_dd ]=], opt)
map("v", "x", [=[ "_x ]=], opt)

 this line too ]]
--

-- toggle unix readline's keymap
map("n", user_map.unix_keymap.toggle_unix_keymap,"<cmd>lua require 'mappings'.unix_keymap()<CR>",{nowait = true})

local _cmap_containp = function (key)
  local cmap_tab = vim.api.nvim_get_keymap("c")

  for _, value in ipairs(cmap_tab) do
    if value['lhs'] == key then
      return true
    end
  end
  return false
end

M.unix_keymap = function()
  local m = user_map.unix_keymap

  if _cmap_containp("<C-A>") then
    vim.api.nvim_del_keymap("i", m.forward)
    vim.api.nvim_del_keymap("i", m.backward)
    vim.api.nvim_del_keymap("i", m.top_of_line)
    vim.api.nvim_del_keymap("i", m.end_of_line)
    vim.api.nvim_del_keymap("c", m.forward)
    vim.api.nvim_del_keymap("c", m.backward)
    vim.api.nvim_del_keymap("c", m.top_of_line)
    vim.api.nvim_del_keymap("c", m.end_of_line)
  else
    map("i", m.forward, '<Right>', opt)
    map("i", m.backward, '<Left>', opt)
    map("i", m.top_of_line, '<ESC>^i', opt)
    map("i", m.end_of_line, '<End>', opt)
    vim.api.nvim_set_keymap("c", m.forward, '<Right>', {noremap = true})
    vim.api.nvim_set_keymap("c", m.backward, '<Left>', {noremap = true})
    vim.api.nvim_set_keymap("c", m.top_of_line, '<Home>', {noremap = true})
    vim.api.nvim_set_keymap("c", m.end_of_line, '<End>', {noremap = true})
  end
end


-- Don't copy the replaced text after pasting in visual mode
map("v", "p", '"_dP', opt)

-- Allow moving the cursor through wrapped lines with j, k, <Up> and <Down>
-- http://www.reddit.com/r/vim/comments/2k4cbr/problem_with_gj_and_gk/
-- empty mode is same as using :map
map("", "j", 'v:count ? "j" : "gj"', {expr = true})
map("", "k", 'v:count ? "k" : "gk"', {expr = true})
map("", "<Down>", 'v:count ? "j" : "gj"', {expr = true})
map("", "<Up>", 'v:count ? "k" : "gk"', {expr = true})

-- copy whole file content
map("n", miscMap.copywhole_file, ":%y+<CR>", opt)

-- toggle numbers
map("n", miscMap.toggle_linenr, ":set nu!<CR>", opt)

-- open a new buffer as a Terminal
-- get out of terminal with jk
map("t", miscMap.esc_Termmode, "<C-\\><C-n>", opt)

M.toggleterm = function()
    local m = user_map.toggleterm

    -- Open terminals
    map("n", m.toggle_window, ":execute v:count . 'ToggleTerm direction=window' <CR>", opt)
    map("n", m.toggle_right, ":execute v:count . 'ToggleTerm direction=vertical' <CR>", opt)
    map("n", m.toggle_bot, ":execute v:count . 'ToggleTerm direction=horizontal' <CR>", opt)

    -- 'Un' toggle a term from within terminal edit mode
    map("t", m.toggle_window, "<C-\\><C-n> :ToggleTerm <CR>", opt)
    map("t", m.toggle_right, "<C-\\><C-n> :ToggleTerm <CR>", opt)
    map("t", m.toggle_bot, "<C-\\><C-n> :ToggleTerm <CR>", opt)
end

M.truezen = function()
    local m = user_map.truezen

    map("n", m.ataraxisMode, ":TZAtaraxis<CR>", opt)
    map("n", m.minimalisticmode, ":TZMinimalist<CR>", opt)
    map("n", m.focusmode, ":TZFocus<CR>", opt)
end

map("n", "<C-s>", ":w <CR>", opt)

M.comment_nvim = function()
    local m = user_map.comment_nvim.comment_toggle
    map("n", m, ":CommentToggle<CR>", opt)
    map("v", m, ":CommentToggle<CR>", opt)
end

M.nvimtree = function()
    local m = user_map.nvimtree.treetoggle

    map("n", m, ":NvimTreeToggle<CR>", opt)
end

M.neoformat = function()
    local m = user_map.neoformat.format
    map("n", m, ":Neoformat<CR>", opt)
end

M.dashboard = function()
    local m = user_map.dashboard

    map("n", m.open, ":Dashboard<CR>", opt)
    map("n", m.newfile, ":DashboardNewFile<CR>", opt)
    map("n", m.bookmarks, ":DashboardJumpMarks<CR>", opt)
    map("n", m.sessionload, ":SessionLoad<CR>", opt)
    map("n", m.sessionsave, ":SessionSave<CR>", opt)
end

M.telescope = function()
    local m = user_map.telescope

    map("n", m.live_grep, ":Telescope live_grep<CR>", opt)
    map("n", m.git_status, ":Telescope git_status <CR>", opt)
    map("n", m.git_commits, ":Telescope git_commits <CR>", opt)
    map("n", m.find_files, ":Telescope find_files <CR>", opt)
    map("n", m.buffers, ":Telescope buffers<CR>", opt)
    map("n", m.help_tags, ":Telescope help_tags<CR>", opt)
    map("n", m.oldfiles, ":Telescope oldfiles<CR>", opt)
    map("n", m.themes, ":Telescope themes<CR>", opt)
end

M.telescope_media = function()
    local m = user_map.telescope_media
    map("n", m.media_files, ":Telescope media_files <CR>", opt)
end

M.bufferline = function()
    local m = user_map.bufferline

    map("n", m.new_buffer, ":enew<CR>", opt) -- new buffer
    map("n", m.newtab, ":tabnew<CR>", opt) -- new tab
    map("n", m.close, ":bd!<CR>", opt) -- close  buffer

    -- move between tabs

    map("n", m.cycleNext, ":BufferLineCycleNext<CR>", opt)
    map("n", m.cyclePrev, ":BufferLineCyclePrev<CR>", opt)
end

-- use ESC to turn off search highlighting
map("n", "<Esc>", ":noh<CR>", opt)

-- Packer commands till because we are not loading it at startup
cmd("silent! command PackerCompile lua require 'pluginList' require('packer').compile()")
cmd("silent! command PackerInstall lua require 'pluginList' require('packer').install()")
cmd("silent! command PackerStatus lua require 'pluginList' require('packer').status()")
cmd("silent! command PackerSync lua require 'pluginList' require('packer').sync()")
cmd("silent! command PackerUpdate lua require 'pluginList' require('packer').update()")

M.fugitive = function()
    local m = user_map.fugitive

    map("n", m.Git, ":Git<CR>", opt)
    map("n", m.diffget_2, ":diffget //2<CR>", opt)
    map("n", m.diffget_3, ":diffget //3<CR>", opt)
    map("n", m.git_blame, ":Git blame<CR>", opt)
end

return M