" auto-install vim-plug
if empty(glob('~/.config/nvim/autoload/plug.vim'))
  silent !curl -fLo ~/.config/nvim/autoload/plug.vim --create-dirs
    \ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim

  autocmd VimEnter * PlugInstall | source $MYVIMRC
endif

" specify a directory for storing plugins
call plug#begin(stdpath('data') . '/plugged')

" list plugins
Plug 'lifepillar/vim-solarized8'
Plug 'dag/vim-fish'
Plug 'ethanholz/nvim-lastplace'
Plug 'neovim/nvim-lspconfig'
Plug 'tomlion/vim-solidity'
Plug 'nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'} " We recommend updating the parsers on update

" Initialize plugin system (🗒️ install: https://github.com/junegunn/vimplug)
call plug#end()

lua require'nvim-lastplace'.setup{}

" enable terminal colors to be set from app
set termguicolors

" tie to system clipboard
set clipboard=unnamedplus

" clear inc highlights on esc
nnoremap <Esc> :noh<CR><Esc>

" choose my favorite colorscheme on my chosen background
set background=dark
colorscheme solarized8

" enable line numbers
set nu

" always scroll with cursor
set so=0 " 999

" folding
set foldmethod=indent
set foldnestmax=10
" set nofoldenable
set foldlevelstart=99
autocmd FileType * setlocal foldenable

" set up tabs (note: eventually exceptions could be added for certain files: https://stackoverflow.com/a/51995699
set tabstop=2
set shiftwidth=2
set expandtab
set smartindent

" sign gutter
set signcolumn=yes

" auto apply chezmoi edits: https://www.chezmoi.io/docs/how-to/#use-your-preferred-editor-with-chezmoi-edit-and-" " " chezmoi-edit-config
" autocmd BufWritePost ~/.local/share/chezmoi/* ! chezmoi apply --source-path "%"

lua << EOF
-- enable lsp server 
-- https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md#tsserver

-- require'lspconfig'.tsserver.setup{}

-- setup basic lsp

local nvim_lsp = require('lspconfig')

-- 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('n', '<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.diagnostic.open_float()<CR>', opts)
  -- buf_set_keymap('n', '[d', '<cmd>lua vim.diagnostic.goto_prev()<CR>', opts)
  -- buf_set_keymap('n', ']d', '<cmd>lua vim.diagnostic.goto_next()<CR>', opts)
  buf_set_keymap('n', '<space>q', '<cmd>lua vim.diagnostic.setloclist()<CR>', opts)
  buf_set_keymap('n', '<space>f', '<cmd>lua vim.lsp.buf.formatting()<CR>', opts)
end

-- Use a loop to conveniently call 'setup' on multiple servers and
-- map buffer local keybindings when the language server attaches
local servers = { 'tsserver' }
for _, lsp in ipairs(servers) do
  nvim_lsp[lsp].setup {
    on_attach = on_attach,
    flags = {
      debounce_text_changes = 150,
    }
  }
end
EOF