local ok, cmp = pcall(require, "cmp")
if not ok then
  return
end

local lspkind = require "lspkind"
local luasnip = require "luasnip"
local cmp_autopairs = require "nvim-autopairs.completion.cmp"

cmp.event:on( 'confirm_done', cmp_autopairs.on_confirm_done({  map_char = { tex = '' } }))

cmp.setup {
    mapping = {
        ["<C-d>"] = cmp.mapping.scroll_docs(-4),
        ["<C-f>"] = cmp.mapping.scroll_docs(4),
        ["<C-e>"] = cmp.mapping(function(fallback)
            if cmp.visible() then
                cmp.close()
            elseif luasnip.expand_or_jumpable() then
                luasnip.expand_or_jump()
            else
                fallback()
            end
        end, { "i", "s" }),
        ["<C-n>"] = cmp.mapping(function(fallback)
            if cmp.visible() then
                cmp.select_next_item()
            elseif luasnip.choice_active() then
                luasnip.change_choice(1)
            else
                fallback()
            end
        end, { "i", "s" }),
        ["<C-p>"] = cmp.mapping.select_prev_item(),
        ["<C-y>"] = cmp.mapping.confirm {
            behavior = cmp.ConfirmBehavior.Insert,
            select = true,
        },
        ["<c-space>"] = cmp.mapping.complete(),
    },
    sources = {
        { name = "nvim_lua" },
        { name = "nvim_lsp" },
        { name = "path" },
        { name = "luasnip" },
        {
            name = "buffer",
            keyword_length = 5,
            option = {
                get_bufnrs = function()
                    local bufs = {}
                    for _, win in ipairs(vim.api.nvim_list_wins()) do
                        bufs[vim.api.nvim_win_get_buf(win)] = true
                    end
                    return vim.tbl_keys(bufs)
                end
            }
        },
    },

    snippet = {
        expand = function(args)
            require("luasnip").lsp_expand(args.body)
        end,
    },

    formatting = {
        format = lspkind.cmp_format {
            with_text = true,
            menu = {
                buffer = "[buf]",
                nvim_lsp = "[LSP]",
                nvim_lua = "[api]",
                path = "[path]",
                luasnip = "[snip]",
                ["vim-dadbod-completion"] = "[DB]",
            }
        }
    },

    experimental = {
        native_menu = false,

        ghost_text = true,
    }
}

vim.api.nvim_create_autocmd(
    "FileType",
    {
        pattern = "sql,mysql,plsql",
        callback = function()
            require('cmp').setup.buffer({ sources = {{ name = 'vim-dadbod-completion' }} })
        end
    }
)

-- Setup lspconfig.
  local capabilities = require('cmp_nvim_lsp').update_capabilities(vim.lsp.protocol.make_client_capabilities())
  -- Replace <YOUR_LSP_SERVER> with each lsp server you've enabled.
  require('lspconfig')['emmet_ls'].setup {
    capabilities = capabilities
  }

local Group = require("colorbuddy.group").Group
local g = require("colorbuddy.group").groups
local s = require("colorbuddy.style").styles

Group.new("CmpItemAbbr", g.Comment)
Group.new("CmpItemAbbrDeprecated", g.Error)
Group.new("CmpItemAbbrMatchFuzzy", g.CmpItemAbbr.fg:dark(), nil, s.italic)
Group.new("CmpItemKind", g.Special)
Group.new("CmpItemMenu", g.NonText)