local M = {
    "hrsh7th/nvim-cmp",
    dependencies = {
        "hrsh7th/cmp-nvim-lsp",
        "hrsh7th/cmp-nvim-lua",
        "hrsh7th/cmp-buffer",
        "hrsh7th/cmp-path",
        "hrsh7th/cmp-cmdline",
        "saadparwaiz1/cmp_luasnip",
        "L3MON4D3/LuaSnip",
    },
}

M.config = function()
    local cmp = require("cmp")
    vim.opt.completeopt = { "menu", "menuone", "noselect" }

    local kind_icons = {
        -- https://github.com/hrsh7th/nvim-cmp/wiki/Menu-Appearance#basic-customisations
        Text = " ",
        Method = "󰆧",
        Function = "ƒ ",
        Constructor = " ",
        Field = "󰜢 ",
        Variable = " ",
        Constant = " ",
        Class = " ",
        Interface = "󰜰 ",
        Struct = " ",
        Enum = "了 ",
        EnumMember = " ",
        Module = "",
        Property = " ",
        Unit = " ",
        Value = "󰎠 ",
        Keyword = "󰌆 ",
        Snippet = " ",
        File = " ",
        Folder = " ",
        Color = " ",
    }

    cmp.setup({
        snippet = {
            expand = function(args)
                require("luasnip").lsp_expand(args.body) -- For `luasnip` users.
            end,
        },
        window = {
            documentation = cmp.config.window.bordered({
                border = "rounded",
                winhighlight = "Normal:CmpPmenu,CursorLine:PmenuSel,Search:None",
            }),
            completion = cmp.config.window.bordered({
                border = "rounded",
                winhighlight = "Normal:CmpPmenu,CursorLine:PmenuSel,Search:None",
            }),

            -- completion = cmp.config.window.bordered(),
            -- documentation = cmp.config.window.bordered(),
        },
        mapping = cmp.mapping.preset.insert({
            ["<C-b>"] = cmp.mapping.scroll_docs(-4),
            ["<C-f>"] = cmp.mapping.scroll_docs(4),
            ["<C-Space>"] = cmp.mapping.complete(),
            ["<C-e>"] = cmp.mapping.abort(),
            ["<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 = "nvim_lua" },
            { name = "luasnip" }, -- For luasnip users.
        }, {
            { name = "buffer" },
            { name = "path" },
        }, {
            { name = "neorg" },
        }),

        formatting = {
            format = function(entry, vim_item)
                -- Kind icons
                vim_item.kind = string.format("%s %s", kind_icons[vim_item.kind], vim_item.kind) -- This concatonates the icons with the name of the item kind
                -- Source
                vim_item.menu = ({
                    buffer = "[Buffer]",
                    nvim_lsp = "[LSP]",
                    luasnip = "[LuaSnip]",
                    nvim_lua = "[NvimAPI]",
                    path = "[Path]",
                })[entry.source.name]
                return vim_item
            end,
        },
    })

    cmp.setup.cmdline(":", {
        mapping = cmp.mapping.preset.cmdline(),
        sources = cmp.config.sources({
            { name = "path" },
        }, {
            { name = "cmdline" },
        }),
    })
end

return M