local cmp = require("cmp")

return {
  "hrsh7th/nvim-cmp",
  keys = {
    { "<leader>cic", "<cmd>CmpStatus<CR>", desc = "Cmp Status" },
  },
  opts = function(_, opts)
    local border = {
      border = "rounded",
      winhighlight = "Normal:Normal,FloatBorder:Normal,CursorLine:Visual,Search:None",
    }

    opts.mapping = cmp.mapping.preset.insert({
      ["<C-j>"] = cmp.mapping.select_next_item({ behavior = cmp.SelectBehavior.Insert }),
      ["<C-k>"] = cmp.mapping.select_prev_item({ behavior = cmp.SelectBehavior.Insert }),
      ["<C-n>"] = cmp.mapping.select_next_item({ behavior = cmp.SelectBehavior.Insert }),
      ["<C-p>"] = cmp.mapping.select_prev_item({ behavior = cmp.SelectBehavior.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.
      ["<S-CR>"] = cmp.mapping.confirm({
        behavior = cmp.ConfirmBehavior.Replace,
        select = true,
      }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
      ["<C-CR>"] = function(fallback)
        cmp.abort()
        fallback()
      end,
    })

    opts.window = {
      completion = cmp.config.window.bordered(border),
      documentation = cmp.config.window.bordered(border),
    }
    cmp.setup.cmdline({ "/", "?" }, {
      mapping = cmp.mapping.preset.cmdline(),
      sources = {
        { name = "buffer" },
      },
    })
  end,
}