require('mason').setup()

vim.lsp.enable('lua-language-server')

local bufnr = vim.api.nvim_get_current_buf()
vim.keymap.set('n', 'gra', 
  function()
    vim.cmd.RustLsp('codeAction')
  end,
  { silent = true, buffer = bufnr }
)

vim.keymap.set('n', 'K',
  function()
    vim.cmd.RustLsp({'hover', 'actions'})
  end,
  { silent = true, buffer = bufnr }
)

vim.keymap.set('n', 'gd', 
  function()
    vim.cmd.RustLsp({'renderDiagnostic', 'current'})
  end,
  { silent = true, buffer = bufnr }
)

local cmp = require('cmp')
cmp.setup({
    mapping = cmp.mapping.preset.insert({
      ['<C-p>'] = cmp.mapping.select_prev_item({behavior = cmp.SelectBehavior.Select}),
      ['<C-n>'] = cmp.mapping.select_next_item({behavior = cmp.SelectBehavior.Select}),
      ['<C-b>'] = cmp.mapping.scroll_docs(-4),
      ['<C-f>'] = cmp.mapping.scroll_docs(4),
      ['<C-Space>'] = cmp.mapping.complete(),
      ['<CR>'] = cmp.mapping.confirm({ select = true }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
    }),
    sources = cmp.config.sources({
      { name = 'nvim_lsp' },
    }, {
    { name = 'buffer' },
    { name = "path" },
  })
})

cmp.setup.cmdline({ '/', '?' }, {
  mapping = cmp.mapping.preset.cmdline(),
  sources = {
    { name = 'buffer' }
  }
})