-- Setup nvim-cmp.
local cmp = require'cmp'

cmp.setup({
snippet = {
    -- REQUIRED - you must specify a snippet engine
    expand = function(args)
    vim.fn["vsnip#anonymous"](args.body) -- For `vsnip` users.
    -- require('luasnip').lsp_expand(args.body) -- For `luasnip` users.
    -- require('snippy').expand_snippet(args.body) -- For `snippy` users.
    -- vim.fn["UltiSnips#Anon"](args.body) -- For `ultisnips` users.
    end,
},
mapping = {
    ['<C-b>'] = cmp.mapping(cmp.mapping.scroll_docs(-4), { 'i', 'c' }),
    ['<C-f>'] = cmp.mapping(cmp.mapping.scroll_docs(4), { 'i', 'c' }),
    ['<C-Space>'] = cmp.mapping(cmp.mapping.complete(), { 'i', 'c' }),
    ['<C-y>'] = cmp.config.disable, -- Specify `cmp.config.disable` if you want to remove the default `<C-y>` mapping.
    ['<C-e>'] = cmp.mapping({
    i = cmp.mapping.abort(),
    c = cmp.mapping.close(),
    }),
    ['<CR>'] = cmp.mapping.confirm({ select = true }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
},
sources = cmp.config.sources({
    { name = 'nvim_lsp' },
    -- { name = 'luasnip' }, -- For luasnip users.
    -- { name = 'ultisnips' }, -- For ultisnips users.
    -- { name = 'snippy' }, -- For snippy users.
}, {
    { name = 'buffer' },
})
})

-- Set configuration for specific filetype.
cmp.setup.filetype('gitcommit', {
sources = cmp.config.sources({
    { name = 'cmp_git' }, -- You can specify the `cmp_git` source if you were installed it. 
}, {
    { name = 'buffer' },
})
})

-- Use buffer source for `/` (if you enabled `native_menu`, this won't work anymore).
cmp.setup.cmdline('/', {
sources = {
    { name = 'buffer' }
}
})

-- Use cmdline & path source for ':' (if you enabled `native_menu`, this won't work anymore).
cmp.setup.cmdline(':', {
sources = cmp.config.sources({
    { name = 'path' }
}, {
    { name = 'cmdline' }
})
})

-- nvim-lspconfig config
-- Use a loop to conveniently call 'setup' on multiple servers and
-- map buffer local keybindings when the language server attaches
local servers = { 'ccls' }
for _, lsp in pairs(servers) do
  require('lspconfig')[lsp].setup {
    on_attach = on_attach,
    flags = {
      -- This will be the default in neovim 0.7+
      debounce_text_changes = 150,
    }
  }
end

-- C-CPP-Modern config
vim.g.cpp_function_highlight = 1
vim.g.cpp_attributes_highlight = 1
vim.g.cpp_member_highlight = 1
vim.g.cpp_simple_highlight = 1