vim.g.mapleader = " "
vim.keymap.set("n", "<leader>e", vim.cmd.Ex)
vim.keymap.set("n", "<leader>gB", "<cmd> Git blame <CR>")
vim.keymap.set("n", "<leader>u", "<cmd>UndotreeToggle<CR>")
vim.keymap.set("n", "<leader>n", "<cmd> set nu! <CR>")
vim.keymap.set("n", "<leader>rn", "<cmd> set rnu! <CR>")
vim.keymap.set("n", "<leader>fo", "=ap")

-- VimTex
vim.keymap.set("n", "<leader>ll", "<cmd>VimtexCompile<CR>")
vim.keymap.set("n", "<leader>vl", "<cmd>VimtexView<CR>")

-- Screenkey
vim.keymap.set("n", "<leader>sk", "<cmd>Screenkey<CR>")

-- highlights
vim.keymap.set("n", "<Esc>", "<cmd>nohl<CR>")

-- switch between windows
vim.keymap.set("n", "<C-h>", "<C-w>h")
vim.keymap.set("n", "<C-l>", "<C-w>l")
vim.keymap.set("n", "<C-j>", "<C-w>j")
vim.keymap.set("n", "<C-k>", "<C-w>k")

-- close current buffer
vim.keymap.set("n", "<leader>x", "<cmd> bd <CR>")

-- termtoggle
vim.keymap.set("n", "<leader>h", "<cmd> ToggleTerm direction=horizontal <CR>")
vim.keymap.set("n", "<leader>v", "<cmd> ToggleTerm direction=vertical <CR>")

-- Diagnostics, LSP
vim.keymap.set('n', 'gl', '<cmd>lua vim.diagnostic.open_float()<cr>')
vim.keymap.set('n', '[d', '<cmd>lua vim.diagnostic.goto_prev()<cr>')
vim.keymap.set('n', ']d', '<cmd>lua vim.diagnostic.goto_next()<cr>')

vim.api.nvim_create_autocmd('LspAttach', {
  desc = 'LSP actions',
  callback = function(event)
    local opts = { buffer = event.buf }

    vim.keymap.set('n', 'K', '<cmd>lua vim.lsp.buf.hover()<cr>', opts)
    vim.keymap.set('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<cr>', opts)
    vim.keymap.set('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<cr>', opts)
    vim.keymap.set('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<cr>', opts)
    vim.keymap.set('n', 'go', '<cmd>lua vim.lsp.buf.type_definition()<cr>', opts)
    vim.keymap.set('n', 'gr', '<cmd>lua vim.lsp.buf.references()<cr>', opts)
    vim.keymap.set('n', 'gs', '<cmd>lua vim.lsp.buf.signature_help()<cr>', opts)
    vim.keymap.set('n', '<F2>', '<cmd>lua vim.lsp.buf.rename()<cr>', opts)
    vim.keymap.set({ 'n', 'x' }, '<F3>', '<cmd>lua vim.lsp.buf.format({async = true})<cr>', opts)
    vim.keymap.set('n', 'gc', '<cmd>lua vim.lsp.buf.code_action()<cr>', opts)
  end
})

-- Netrw (u/vonheikemen)
vim.api.nvim_create_autocmd('filetype', {
  pattern = 'netrw',
  desc = 'Better mappings for netrw',
  callback = function()
    local bind = function(lhs, rhs)
      vim.keymap.set('n', lhs, rhs, { remap = true, buffer = true })
    end

    bind('a', '%')

    bind('r', 'R')
  end
})