vim.o.number = true
vim.o.tabstop = 4
vim.o.shiftwidth = 4
vim.o.expandtab = true
vim.o.smartindent = true
vim.o.cursorline = true

vim.cmd( 'syntax enable' )
vim.cmd( 'filetype plugin indent on' )

vim.cmd( 'colorscheme slate' )

vim.cmd [[
    highlight Normal guibg=NONE ctermbg=NONE
    highlight NonText guibg=NONE ctermbg=NONE
    highlight EndOfBuffer guibg=NONE ctermbg=NONE
]]

vim.cmd [[
    call plug#begin()
    Plug 'preservim/nerdtree'
    Plug 'neovim/nvim-lspconfig'
    Plug 'folke/trouble.nvim'
    Plug 'dart-lang/dart-vim-plugin'
    Plug 'thosakwe/vim-flutter'
    Plug 'hrsh7th/cmp-nvim-lsp'
    Plug 'hrsh7th/cmp-buffer'
    Plug 'hrsh7th/cmp-path'
    Plug 'hrsh7th/cmp-cmdline'
    Plug 'hrsh7th/nvim-cmp'
    call plug#end()
]]

local cmp = require 'cmp'

cmp.setup({
    snippet = {
        expand = function(args)
            vim.snippet.expand(args.body)
        end,
    },
    window = {
        completion = cmp.config.window.bordered(),
    },
    mapping = cmp.mapping.preset.insert({
        ['<C-Space>'] = cmp.mapping.complete(),
        ['<C-e>'] = cmp.mapping.abort(),
        ['<CR>'] = cmp.mapping.confirm({ select = true }),
    }),
    sources = cmp.config.sources({
        { name = 'nvim_lsp' },
        { name = 'buffer' },
    }),
})

require 'trouble'.open("diagnostics")


local capabilities = require('cmp_nvim_lsp').default_capabilities()

vim.lsp.enable( 'lua_ls' )
vim.lsp.config( 'lua_ls' , { capabilities = capabilities })
vim.lsp.enable( 'rust_analyzer' )
vim.lsp.config( 'rust_analyzer', { capabilities = capabilities } )
vim.lsp.enable( 'dartls' )
vim.lsp.config( 'dartls', { capabilities = capabilities } )
vim.lsp.enable( 'gdscript' )
vim.lsp.config( 'gdscript', { capabilities = capabilities } )

vim.g.mapleader = ' '
vim.api.nvim_set_keymap( 'n', '<Leader>w', ':w<CR>', { noremap = true, silent = true } )
vim.api.nvim_set_keymap( 'n', '<Leader>n', ':NERDTree<CR>', { noremap = true, silent = true } )
vim.api.nvim_set_keymap( 'n', '<Leader>d', ':Trouble diagnostics<CR>', { noremap = true, silent = true } )