local opts = {
  insert_mode = { noremap = true, silent = true },
  normal_mode = { noremap = true, silent = true },
  visual_mode = { noremap = true, silent = true },
  visual_block_mode = { noremap = true, silent = true },
  term_mode = { silent = true },
}

local keymaps = {
  insert_mode = {
    -- I hate escape
    { "jk", "<ESC>" },
    { "kj", "<ESC>" },
    { "jj", "<ESC>" },
    -- Move current line / block with Alt-j/k ala vscode.
    { "<A-j>", "<Esc>:m .+1<CR>==gi" },
    { "<A-k>", "<Esc>:m .-2<CR>==gi" },
    -- navigation
    { "<A-Up>", "<C-\\><C-N><C-w>k" },
    { "<A-Down>", "<C-\\><C-N><C-w>j" },
    { "<A-Left>", "<C-\\><C-N><C-w>h" },
    { "<A-Right>", "<C-\\><C-N><C-w>l" },
  },

  normal_mode = {
    -- Better window movement
    { "<C-h>", "<C-w>h" },
    { "<C-j>", "<C-w>j" },
    { "<C-k>", "<C-w>k" },
    { "<C-l>", "<C-w>l" },

    -- Resize with arrows
    { "<C-Up>", ":resize -2<CR>" },
    { "<C-Down>", ":resize +2<CR>" },
    { "<C-Left>", ":vertical resize -2<CR>" },
    { "<C-Right>", ":vertical resize +2<CR>" },

    -- Tab switch buffer
    -- { "<TAB>", ":bnext<CR>" },
    -- { "<S-TAB>", ":bprevious<CR>" },

    -- Move current line / block with Alt-j/k a la vscode.
    { "<A-j>", ":m .+1<CR>==" },
    { "<A-k>", ":m .-2<CR>==" },

    -- QuickFix
    { "]q", ":cnext<CR>" },
    { "[q", ":cprev<CR>" },
    { "<C-q>", ":call QuickFixToggle()<CR>" },

    -- {'<C-TAB>', 'compe#complete()', {noremap = true, silent = true, expr = true}},

    -- LSP
    { "gd", "<cmd>lua vim.lsp.buf.definition()<CR>" },
    { "gD", "<cmd>lua vim.lsp.buf.declaration()<CR>" },
    { "gr", "<cmd>lua vim.lsp.buf.references()<CR>" },
    { "gi", "<cmd>lua vim.lsp.buf.implementation()<CR>" },
    { "gl", "<cmd>lua vim.lsp.diagnostic.show_line_diagnostics({ show_header = false, border = 'single' })<CR>" },
    { "gs", "<cmd>lua vim.lsp.buf.signature_help()<CR>" },
    { "gp", "<cmd>lua require'lsp.peek'.Peek('definition')<CR>" },
    { "K", "<cmd>lua vim.lsp.buf.hover()<CR>" },
    { "<C-p>", "<cmd>lua vim.lsp.diagnostic.goto_prev({popup_opts = {border = lvim.lsp.popup_border}})<CR>" },
    { "<C-n>", "<cmd>lua vim.lsp.diagnostic.goto_next({popup_opts = {border = lvim.lsp.popup_border}})<CR>" },
  },

  term_mode = {
    -- Terminal window navigation
    { "<C-h>", "<C-\\><C-N><C-w>h" },
    { "<C-j>", "<C-\\><C-N><C-w>j" },
    { "<C-k>", "<C-\\><C-N><C-w>k" },
    { "<C-l>", "<C-\\><C-N><C-w>l" },
  },

  visual_mode = {
    -- Better indenting
    { "<", "<gv" },
    { ">", ">gv" },

    -- { "p", '"0p', { silent = true } },
    -- { "P", '"0P', { silent = true } },
  },

  visual_block_mode = {
    -- Move selected line / block of text in visual mode
    { "K", ":move '<-2<CR>gv-gv" },
    { "J", ":move '>+1<CR>gv-gv" },

    -- Move current line / block with Alt-j/k ala vscode.
    { "<A-j>", ":m '>+1<CR>gv-gv" },
    { "<A-k>", ":m '<-2<CR>gv-gv" },
  },
}

if vim.fn.has "mac" == 1 then
  -- TODO: fix this
  keymaps.normal_mode[5][1] = "<A-Up>"
  keymaps.normal_mode[6][1] = "<A-Down>"
  keymaps.normal_mode[7][1] = "<A-Left>"
  keymaps.normal_mode[8][1] = "<A-Right>"
end

vim.g.mapleader = lvim.leader == "space" and " " or lvim.leader

-- navigate tab completion with <c-j> and <c-k>
-- runs conditionally
vim.cmd 'inoremap <expr> <C-j> pumvisible() ? "\\<C-n>" : "\\<C-j>"'
vim.cmd 'inoremap <expr> <C-k> pumvisible() ? "\\<C-p>" : "\\<C-k>"'

return { keymaps = keymaps, opts = opts }