-- See `:help vim.diagnostic.*` for documentation on any of the below functions
local opts = { noremap=true, silent=true }
vim.keymap.set('n', '<space>e', vim.diagnostic.open_float, opts)
vim.keymap.set('n', '[d', vim.diagnostic.goto_prev, opts)
vim.keymap.set('n', ']d', vim.diagnostic.goto_next, opts)
vim.keymap.set('n', '<space>q', vim.diagnostic.setloclist, opts)

vim.lsp.set_log_level("debug")

-- Use an on_attach function to only map the following keys
-- after the language server attaches to the current buffer
local on_attach = function(client, bufnr)
  -- Enable completion triggered by <c-x><c-o>
	vim.api.nvim_buf_set_option(bufnr, "formatexpr", "v:lua.vim.lsp.formatexpr()")
	vim.api.nvim_buf_set_option(bufnr, "omnifunc", "v:lua.vim.lsp.omnifunc")
	vim.api.nvim_buf_set_option(bufnr, "tagfunc", "v:lua.vim.lsp.tagfunc")

  -- Mappings.
  -- See `:help vim.lsp.*` for documentation on any of the below functions
  local bufopts = { noremap=true, silent=true, buffer=bufnr }
  vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, bufopts)
  vim.keymap.set('n', 'gd', vim.lsp.buf.definition, bufopts)
  vim.keymap.set('n', 'K', vim.lsp.buf.hover, bufopts)
  vim.keymap.set('n', 'gi', vim.lsp.buf.implementation, bufopts)
  vim.keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, bufopts)
  vim.keymap.set('n', '<space>wa', vim.lsp.buf.add_workspace_folder, bufopts)
  vim.keymap.set('n', '<space>wr', vim.lsp.buf.remove_workspace_folder, bufopts)
  vim.keymap.set('n', '<space>wl', function()
    print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
  end, bufopts)
  vim.keymap.set('n', '<space>D', vim.lsp.buf.type_definition, bufopts)
  vim.keymap.set('n', '<space>rn', vim.lsp.buf.rename, bufopts)
  vim.keymap.set('n', '<space>ca', vim.lsp.buf.code_action, bufopts)
  vim.keymap.set('v', '<space>ca', vim.lsp.buf.code_action, bufopts)
  vim.keymap.set('n', 'gr', vim.lsp.buf.references, bufopts)
  vim.keymap.set('n', '<space>f', function() vim.lsp.buf.format { async = true } end, bufopts)
  vim.keymap.set('v', '<space>f', function() vim.lsp.buf.format { async = true } end, bufopts)
end
-- Setup buffer-local keymaps / options for LSP buffers
local capabilities = require("cmp_nvim_lsp").default_capabilities()
-- Setup rust_analyzer via rust-tools.nvim
require("rust-tools").setup({
	server = {
		capabilities = capabilities,
		on_attach = on_attach,
    settings = {
      ['rust-analyzer'] = {
        cargo = {
          features = "all"
        }
      }
    }
	}
})

-- https://github.com/ray-x/go.nvim#lsp-cmp-support
require('go').setup({
  lsp_cfg = {
    capabilities = capabilities,
    on_attach = on_attach
  }
})
local lspconfig = require('lspconfig')

lspconfig.zls.setup({
  on_attach = on_attach,
  capabilities = capabilities,
})

lspconfig.bashls.setup({
  on_attach = on_attach,
  capabilities = capabilities,
})

-- https://github.com/nikeee/dot-language-server
-- https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md#dotls
lspconfig['dotls'].setup({
  capabilities = capabilities,
  on_attach = on_attach,
})


lspconfig.yamlls.setup{
  settings = {
    yaml = {
      -- FIX mapKeyOrder warning
      keyOrdering = false,
    },
  }
}

-- close quickfix menu after selecting choice
vim.api.nvim_create_autocmd(
  "FileType", {
  pattern={"qf"},
  command=[[nnoremap <buffer> <CR> <CR>:cclose<CR>]]})

vim.api.nvim_create_autocmd('BufWritePre', {
  pattern = '*.go',
  callback = function()
    vim.lsp.buf.code_action({ context = { only = { 'source.organizeImports' } }, apply = true })
  end
})

-- local autocmd = vim.api.nvim_create_autocmd
-- autocmd({ "BufLeave" }, { pattern = { "*" }, command = "if &buftype == 'quickfix'|q|endif" })