-- =============================================================================
-- completion.lua — 智能补全
-- =============================================================================

return {
  {
    "saghen/blink.cmp",
    version = "*",
    event = "InsertEnter",
    opts = {
      keymap = {
        preset = "super-tab",
        ["<C-j>"] = { "select_next" },
        ["<C-k>"] = { "select_prev" },
        ["<C-u>"] = { "scroll_documentation_up" },
        ["<C-n>"] = { "scroll_documentation_down" },
        -- Tab 接受补全，回车仅用于确认输入（避免 nvim-tree 文件操作误触发）
        ["<Tab>"] = { "accept", "fallback" },
      },
      appearance = {
        use_nvim_cmp_as_default = true,
        nerd_font_variant = "normal",
      },
      sources = {
        default = { "lsp", "path", "buffer", "snippets" },
      },
      cmdline = {
        enabled = true,
        sources = function()
          if vim.fn.getcmdline():find("/") then
            return { "buffer" }
          end
          return { "cmdline" }
        end,
        completion = { menu = { auto_show = true } },
      },
      completion = {
        menu = {
          border = "rounded",
          draw = {
            columns = {
              { "label", "label_description", gap = 1 },
              { "source_name" },
            },
          },
        },
        documentation = {
          auto_show = true,
          auto_show_delay_ms = 500,
          window = { border = "rounded" },
        },
      },
    },
  },
}