init.vim_air

call plug#begin('~/.vim/plugged')
Plug 'junegunn/fzf'
Plug 'junegunn/fzf.vim'
Plug 'mhinz/vim-startify'
" gitsigns.nvim
Plug 'nvim-lua/plenary.nvim'
Plug 'lewis6991/gitsigns.nvim'
" colorscheme
Plug 'NLKNguyen/papercolor-theme'
Plug 'habamax/vim-freyeday'
Plug 'aonemd/quietlight.vim'
Plug 'sff1019/hogwarts.vim'
Plug 'habamax/vim-polar'
Plug 'bluz71/vim-moonfly-colors'
Plug 'folke/tokyonight.nvim', { 'branch': 'main' }
Plug 'mangeshrex/uwu.vim'
Plug 'sainnhe/everforest'
" statusline
Plug 'itchyny/lightline.vim'
" LSP
Plug 'neovim/nvim-lspconfig'
" nvim-cmp
Plug 'hrsh7th/nvim-cmp'
Plug 'hrsh7th/cmp-nvim-lsp'
Plug 'hrsh7th/cmp-buffer'
" Completion engine plugin
Plug 'dcampos/nvim-snippy'
Plug 'dcampos/cmp-snippy'
" Rust
Plug 'simrat39/rust-tools.nvim'
" others
Plug 'akinsho/toggleterm.nvim'
call plug#end()

set guifont=JetBrains\ Mono:h10

let g:tokyonight_style = "night"
let g:tokyonight_colors = {
  \ 'hint': 'orange',
  \ 'error': '#ff0000'
\ }
"colorscheme tokyonight
"colorscheme hogwarts
"colorscheme uwu
"set background=light
"set background=dark
"colorscheme PaperColor
"colorscheme fleetish
"let g:lightline = { 'colorscheme': 'fleetish' }
"let g:lightline = { 'colorscheme': 'PaperColor' }
if has('termguicolors')
    set termguicolors
endif
let g:everforest_background = 'hard'
let g:everforest_disable_italic_comment = 1
colorscheme everforest

let g:lightline = {
      \ 'colorscheme' : 'everforest',
      \ 'component_function': {
      \   'filename': 'LightlineFileName',
      \ },
      \ }
function! LightlineFileName()
    "return expand('%:p')
    return expand('%:~:.')
endfunction

let mapleader = " "

"set relativenumber
set number
set expandtab
set tabstop=4
set shiftwidth=4    "Indent by 4 spaces when using >>, <<, == etc.
set softtabstop=4   "Indent by 4 spaces when pressing <TAB>
set scrolloff=8
set splitbelow splitright
set cursorline
set title
"set signcolumn=yes
" Set completeopt to have a better completion experience
" :help completeopt
" menuone: popup even when there's only one match
" noinsert: Do not insert text until a selection is made
" noselect: Do not select, force user to select one from the menu
set completeopt=menuone,noinsert,noselect

" Avoid showing extra messages when using completion
"set shortmess+=c

" FZF
nnoremap <silent> <Leader>f :GFiles<CR>
nnoremap <silent> <Leader>h :History<CR>
nnoremap <silent> <Leader>r :RustRunnable<CR>

" Auto-format *.rs (rust) files prior to saving them
autocmd BufWritePre *.rs lua vim.lsp.buf.formatting_sync(nil, 200)

tnoremap <Esc> <C-\><C-n>
let g:floaterm_keymap_toggle = '<F12>'

lua << EOF
require('gitsigns').setup()
require('toggleterm').setup({
    open_mapping = [[<c-\>]],
})
EOF

lua << EOF
local nvim_lsp = require'lspconfig'

local on_attach = function(client)
    require'completion'.on_attach(client)
end

nvim_lsp.rust_analyzer.setup({
    on_attach=on_attach,
    settings = {
        ["rust-analyzer"] = {}
    }
})
EOF

" Code navigation shortcuts
nnoremap <silent> <c-]> <cmd>lua vim.lsp.buf.definition()<CR>
nnoremap <silent> K     <cmd>lua vim.lsp.buf.hover()<CR>
nnoremap <silent> gD    <cmd>lua vim.lsp.buf.implementation()<CR>
nnoremap <silent> <c-k> <cmd>lua vim.lsp.buf.signature_help()<CR>
nnoremap <silent> 1gD   <cmd>lua vim.lsp.buf.type_definition()<CR>
nnoremap <silent> gr    <cmd>lua vim.lsp.buf.references()<CR>
nnoremap <silent> g0    <cmd>lua vim.lsp.buf.document_symbol()<CR>
nnoremap <silent> gW    <cmd>lua vim.lsp.buf.workspace_symbol()<CR>
nnoremap <silent> gd    <cmd>lua vim.lsp.buf.definition()<CR>
nnoremap <silent> ga    <cmd>lua vim.lsp.buf.code_action()<CR>

" Set updatetime for CursorHold
" 300ms of no cursor movement to trigger CursorHold
"set updatetime=300
" Show diagnostic popup on cursor hold
"autocmd CursorHold * lua vim.lsp.diagnostic.show_line_diagnostics()

" Goto previous/next diagnostic warning/error
"nnoremap <silent> g[ <cmd>lua vim.lsp.diagnostic.goto_prev()<CR>
"nnoremap <silent> g] <cmd>lua vim.lsp.diagnostic.goto_next()<CR>

autocmd BufWritePre *.rs lua vim.lsp.buf.formatting_sync(nil, 1000)

set completeopt=menu,menuone,noselect
set shortmess+=c

lua <<EOF
local nvim_lsp = require'lspconfig'

local opts = {
    tools = { -- rust-tools options
        autoSetHints = true,
        hover_with_actions = true,
        inlay_hints = {
            show_parameter_hints = false,
            parameter_hints_prefix = "",
            other_hints_prefix = "",
        },
    },

    server = {
        settings = {
            ["rust-analyzer"] = {
                rustfmt = {
                    overrideCommand = "cargo +nightly-2021-10-21 fmt",
                },
                cargo = {
                    loadOutDirsFromCheck = true,
                },
                procMacro = {
                    enable = false
                },
            }
        }
    },
}

require('rust-tools').setup(opts)
EOF

lua <<EOF
  local cmp = require'cmp'

  cmp.setup({
    snippet = {
      expand = function(args)
        require('snippy').expand_snippet(args.body)
    end,
    },
    mapping = {
      ['<c-d>'] = cmp.mapping.scroll_docs(-4),
      ['<c-f>'] = cmp.mapping.scroll_docs(4),
      --['<C-Space>'] = cmp.mapping.complete(),
      ['<c-e>'] = cmp.mapping.close(),
      ['<CR>'] = cmp.mapping.confirm({ select = true }),
    },
    sources = {
      { name = 'nvim_lsp' },
      { name = "buffer", keyword_length = 3 },
    },
    --experimental = {
      --native_menu = false,
      --ghost_text = true,
    --},
  })
EOF