-- blink.lua - blink.cmp 补全引擎（替换 nvim-cmp）

return {
  {
    "saghen/blink.cmp",
    version = "*",
    event = "InsertEnter",
    dependencies = {
      "rafamadriz/friendly-snippets",
      { "L3MON4D3/LuaSnip", version = "v2.*" },
    },
    opts = {
      keymap = {
        preset = "default",
        ["<C-Space>"] = { "show", "show_documentation", "hide_documentation" },
        ["<C-e>"] = { "hide" },
        ["<CR>"] = { "accept", "fallback" },
        ["<Tab>"] = { "snippet_forward", "fallback" },
        ["<S-Tab>"] = { "snippet_backward", "fallback" },
        ["<C-n>"] = { "select_next", "fallback" },
        ["<C-p>"] = { "select_prev", "fallback" },
        ["<C-b>"] = { "scroll_documentation_up", "fallback" },
        ["<C-f>"] = { "scroll_documentation_down", "fallback" },
      },

      appearance = {
        nerd_font_variant = "mono",
      },

      snippets = {
        expand = function(snippet)
          require("luasnip").lsp_expand(snippet)
        end,
        active = function(filter)
          if filter and filter.direction then
            return require("luasnip").jumpable(filter.direction)
          end
          return require("luasnip").in_snippet()
        end,
        jump = function(direction)
          require("luasnip").jump(direction)
        end,
      },

      sources = {
        default = { "lsp", "path", "snippets", "buffer" },
        providers = {
          lsp = { score_offset = 100 },
          path = { score_offset = 50 },
          snippets = { score_offset = 40 },
          buffer = { score_offset = 10 },
        },
      },

      completion = {
        accept = { auto_brackets = { enabled = true } },
        menu = {
          border = "rounded",
          draw = {
            treesitter = { "lsp" },
            columns = {
              { "label", "label_description", gap = 1 },
              { "kind_icon", "kind" },
            },
          },
        },
        documentation = {
          auto_show = true,
          auto_show_delay_ms = 200,
          window = { border = "rounded" },
        },
        ghost_text = { enabled = true },
      },

      signature = {
        enabled = true,
        window = { border = "rounded" },
      },
    },

    config = function(_, opts)
      -- LuaSnip 加载 vscode 风格的代码片段
      require("luasnip.loaders.from_vscode").lazy_load()
      require("blink.cmp").setup(opts)
    end,
  },

  -- LuaSnip 代码片段引擎
  {
    "L3MON4D3/LuaSnip",
    version = "v2.*",
    build = "make install_jsregexp",
    dependencies = { "rafamadriz/friendly-snippets" },
    opts = {
      history = true,
      delete_check_events = "TextChanged",
    },
  },
}