set runtimepath^=~/.vim runtimepath+=~/.vim/after
let &packpath=&runtimepath
source ~/.vimrc

if has('nvim-0.5')
	" Inspired by https://github.com/neovim/nvim-lspconfig/#keybindings-and-completion,
	" but with <leader> instead of <space>
lua << EOF
local nvim_lsp = require('lspconfig')
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

	buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')

	-- Mappings.
	local opts = { noremap=true, silent=true }
	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('n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
	buf_set_keymap('n', '<Leader>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opts)
	buf_set_keymap('n', '<Leader>wr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opts)
	buf_set_keymap('n', '<Leader>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<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', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
	buf_set_keymap('n', '<Leader>e', '<cmd>lua vim.lsp.diagnostic.show_line_diagnostics()<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', '<Leader>q', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)
	buf_set_keymap('n', '<Leader>ca', '<cmd>lua require("telescope.builtin").lsp_code_actions{}<CR>', opts)

	-- Set some keybinds conditional on server capabilities
	if client.resolved_capabilities.document_formatting then
		buf_set_keymap('n', '<Leader>df', '<cmd>lua vim.lsp.buf.formatting()<CR>', opts)
	elseif client.resolved_capabilities.document_range_formatting then
		buf_set_keymap('n', '<Leader>df', '<cmd>lua vim.lsp.buf.formatting()<CR>', opts)
	end

	-- Set autocommands conditional on server_capabilities
	-- if client.resolved_capabilities.document_highlight then
	--	 vim.api.nvim_exec([[
	--		 hi LspReferenceRead cterm=bold ctermbg=red guibg=LightYellow
	--		 hi LspReferenceText cterm=bold ctermbg=red guibg=LightYellow
	--		 hi LspReferenceWrite cterm=bold ctermbg=red guibg=LightYellow
	--		 augroup lsp_document_highlight
	--			 autocmd!
	--			 autocmd CursorHold <buffer> lua vim.lsp.buf.document_highlight()
	--			 autocmd CursorMoved <buffer> lua vim.lsp.buf.clear_references()
	--		 augroup END
	--	 ]], false)
	-- end
end

nvim_lsp.jdtls.setup{
	cmd = { 'java-language-server', '--heap-max', '8G' };
	init_options = {
		bundles = {vim.env.HOME..'/language-servers/java/extensions/debug.jar'};
	};
	on_attach = on_attach;
}

nvim_lsp.gopls.setup{
	on_attach = on_attach;
}

if not nvim_lsp.lemminx then
	require('lspconfig/configs').lemminx = {
		default_config = {
			cmd = { 'xml-language-server' },
			filetypes = { 'xml' },
			root_dir = require('lspconfig/util').root_pattern('.git'),
		}
	};
end
nvim_lsp.lemminx.setup{
	on_attach = on_attach;
}

nvim_lsp.ccls.setup{
	on_attach = on_attach;
};

local status, treesitter = pcall(require, 'nvim-treesitter.configs')
if status then
	treesitter.setup{
		ensure_installed = 'maintained',
		highlight = {
			enable = true
		},
		indent = {
			enable = true,
			disable = { "zig" },
		},
	}
end

require('telescope').setup{
	defaults = {
		prompt_position = 'top',
		sorting_strategy = 'ascending',
	}
}
EOF

nmap <Leader>ff <cmd>Telescope find_files<cr>
nmap <Leader>fg <cmd>Telescope live_grep<cr>
nmap <Leader>fb <cmd>Telescope buffers<cr>
nmap <Leader>fh <cmd>Telescope help_tags<cr>

endif