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["<A-Up>"] = keymaps.normal_mode["<C-Up>"]
  keymaps.normal_mode["<A-Down>"] = keymaps.normal_mode["<C-Down>"]
  keymaps.normal_mode["<A-Left>"] = keymaps.normal_mode["<C-Left>"]
  keymaps.normal_mode["<A-Right>"] = keymaps.normal_mode["<C-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 }