local lsp_status = require('lsp-status')

lsp_status.register_progress()

-- enable snippet support
--local capabilities = vim.lsp.protocol.make_client_capabilities()
--capabilities.textDocument.completion.completionItem.snippetSupport = true
--capabilities.textDocument.completion.completionItem.resolveSupport = {
--  properties = {
--    'documentation',
--    'detail',
--    'additionalTextEdits',
--  }
--}
--capabilities = vim.tbl_extend('keep', capabilities or {}, lsp_status.capabilities)

-- 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.keymap.set(...) end
	local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end

	--Enable completion triggered by <c-x><c-o>
	vim.bo[bufnr].omnifunc = 'v:lua.vim.lsp.omnifunc'

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

	-- 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('v', '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('n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
	buf_set_keymap('n', '<Leader>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
	buf_set_keymap('n', '<Leader>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
	buf_set_keymap('n', '<M-a>', '<cmd>lua vim.lsp.buf.code_action()<CR>', loud)
	buf_set_keymap('n', '<M-l>', '<cmd>lua vim.codelens.run()<CR>', loud)
	buf_set_keymap('n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
	buf_set_keymap('n', '<M-e>', '<cmd>lua vim.diagnostic.open_float()<CR>', opts)
	buf_set_keymap('n', '[d', '<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>', opts)
	buf_set_keymap('n', ']d', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
	buf_set_keymap('n', '<M-q>', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)
	buf_set_keymap("n", "<Leader>f", "<cmd>lua vim.lsp.buf.formatting()<CR>", opts)
	buf_set_keymap("n", "<leader>dc", function() require("dap").continue() end, opts)
	buf_set_keymap("n", "<leader>dr", function() require("dap").repl.toggle() end, opts)
	buf_set_keymap("n", "<leader>dK", function() require("dap.ui.widgets").hover() end, opts)
	buf_set_keymap("n", "<leader>dt", function() require("dap").toggle_breakpoint() end, opts)
	buf_set_keymap("n", "<leader>dso", function() require("dap").step_over() end, opts)
	buf_set_keymap("n", "<leader>dsi", function() require("dap").step_into() end, opts)
	buf_set_keymap("n", "<leader>dl", function() require("dap").run_last() end, opts)

	lsp_status.on_attach(client)

	--require'completion'.on_attach(client, bufnr)
end

require("lsp.metals")(on_attach)

require("lsp.typescript")(on_attach)

vim.lsp.handlers["textDocument/publishDiagnostics"] = vim.lsp.with(
  vim.lsp.diagnostic.on_publish_diagnostics, {
    virtual_text = false,
    underline = true,
    signs = true,
  }
)

vim.lsp.handlers["textDocument/signatureHelp"] = vim.lsp.with(
  vim.lsp.handlers.signature_help, {
    silent = true, focusable = false
  }
)

vim.cmd [[autocmd CursorHoldI * silent! lua vim.lsp.buf.signature_help()]]
vim.cmd [[autocmd CursorHold * lua vim.diagnostic.open_float({max_width = 100, focusable = false})]]