lspconfig.rc.vim

if !exists('g:lspconfig')
  finish
endif

lua << EOF
--vim.lsp.set_log_level("debug")
EOF

lua << EOF
local nvim_lsp = require('lspconfig')
local protocol = require'vim.lsp.protocol'

-- 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)
  local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
  local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end

  --Enable completion triggered by <c-x><c-o>
  buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')

  -- Mappings.
  local opts = { noremap=true, silent=true }

  -- See `:help vim.lsp.*` for documentation on any of the below functions
  buf_set_keymap('n', 'gD', '<Cmd>lua vim.lsp.buf.declaration()<CR>', opts)
  buf_set_keymap('n', 'gd', '<Cmd>lua vim.lsp.buf.definition()<CR>', opts)
  --buf_set_keymap('n', 'K', '<Cmd>lua vim.lsp.buf.hover()<CR>', opts)
  buf_set_keymap('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
  --buf_set_keymap('i', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
  buf_set_keymap('n', '<space>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opts)
  buf_set_keymap('n', '<space>wr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opts)
  buf_set_keymap('n', '<space>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opts)
  buf_set_keymap('n', '<space>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
  buf_set_keymap('n', '<space>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
  buf_set_keymap('n', '<space>ca', '<cmd>lua vim.lsp.buf.code_action()<CR>', opts)
  --buf_set_keymap('n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
  buf_set_keymap('n', '<space>e', '<cmd>lua vim.lsp.diagnostic.show_line_diagnostics()<CR>', opts)
  --buf_set_keymap('n', '<C-j>', '<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>', opts)
  buf_set_keymap('n', '<S-C-j>', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
  buf_set_keymap('n', '<space>q', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)
  buf_set_keymap("n", "<space>f", "<cmd>lua vim.lsp.buf.formatting()<CR>", opts)

  -- formatting
  if client.name == 'tsserver' then
    client.resolved_capabilities.document_formatting = false
  end

  if client.resolved_capabilities.document_formatting then
    vim.api.nvim_command [[augroup Format]]
    vim.api.nvim_command [[autocmd! * <buffer>]]
    vim.api.nvim_command [[autocmd BufWritePre <buffer> lua vim.lsp.buf.formatting_seq_sync()]]
    vim.api.nvim_command [[augroup END]]
  end

  --protocol.SymbolKind = { }
  protocol.CompletionItemKind = {
    '', -- Text
    '', -- Method
    '', -- Function
    '', -- Constructor
    '', -- Field
    '', -- Variable
    '', -- Class
    'ﰮ', -- Interface
    '', -- Module
    '', -- Property
    '', -- Unit
    '', -- Value
    '', -- Enum
    '', -- Keyword
    '﬌', -- Snippet
    '', -- Color
    '', -- File
    '', -- Reference
    '', -- Folder
    '', -- EnumMember
    '', -- Constant
    '', -- Struct
    '', -- Event
    'ﬦ', -- Operator
    '', -- TypeParameter
  }
end


-- Set up completion using nvim_cmp with LSP source
local capabilities = require('cmp_nvim_lsp').update_capabilities(
  vim.lsp.protocol.make_client_capabilities()
)

nvim_lsp.flow.setup {
  on_attach = on_attach,
  capabilities = capabilities
}

nvim_lsp.tsserver.setup {
  on_attach = on_attach,
  filetypes = { "typescript", "typescriptreact", "typescript.tsx" },
  capabilities = capabilities
}

nvim_lsp.diagnosticls.setup {
  on_attach = on_attach,
  filetypes = { 'javascript', 'javascriptreact', 'json', 'typescript', 'typescriptreact', 'css', 'less', 'scss', 'pandoc' },
  init_options = {
    linters = {
      eslint = {
        command = 'eslint_d',
        rootPatterns = { '.git' },
        debounce = 100,
        args = { '--stdin', '--stdin-filename', '%filepath', '--format', 'json' },
        sourceName = 'eslint_d',
        parseJson = {
          errorsRoot = '[0].messages',
          line = 'line',
          column = 'column',
          endLine = 'endLine',
          endColumn = 'endColumn',
          message = '[eslint] ${message} [${ruleId}]',
          security = 'severity'
        },
        securities = {
          [2] = 'error',
          [1] = 'warning'
        }
      },
    },
    filetypes = {
      javascript = 'eslint',
      javascriptreact = 'eslint',
      typescript = 'eslint',
      typescriptreact = 'eslint',
    },
    formatters = {
      eslint_d = {
        command = 'eslint_d',
        rootPatterns = { '.git' },
        args = { '--stdin', '--stdin-filename', '%filename', '--fix-to-stdout' },
        rootPatterns = { '.git' },
      },
      prettier = {
        command = 'prettier_d_slim',
        rootPatterns = { '.git' },
        -- requiredFiles: { 'prettier.config.js' },
        args = { '--stdin', '--stdin-filepath', '%filename' }
      }
    },
    formatFiletypes = {
      css = 'prettier',
      javascript = 'prettier',
      javascriptreact = 'prettier',
      json = 'prettier',
      scss = 'prettier',
      less = 'prettier',
      typescript = 'prettier',
      typescriptreact = 'prettier',
      json = 'prettier',
    }
  }
}

-- icon
vim.lsp.handlers["textDocument/publishDiagnostics"] = vim.lsp.with(
  vim.lsp.diagnostic.on_publish_diagnostics, {
    underline = true,
    -- This sets the spacing and the prefix, obviously.
    virtual_text = {
      spacing = 4,
      prefix = ''
    }
  }
)

EOF