-- completions.lua: Provides intelligent code completion via LSP or snippet engines.

return {
  {
    "hrsh7th/cmp-nvim-lsp",
  },
  {
    "hrsh7th/cmp-cmdline", -- Command line completion
  },
  {
    "hrsh7th/cmp-nvim-lua", -- Better Neovim Lua API completion
  },
  {
    "hrsh7th/cmp-path", -- ADD THIS: Path completion source
  },
  {
    "hrsh7th/cmp-buffer", -- ADD THIS: Buffer completion source
  },
  {
    "L3MON4D3/LuaSnip",
    version = "v2.*",
    build = "make install_jsregexp",
    dependencies = {
      "rafamadriz/friendly-snippets", -- Pre-made snippets
    },
  },
  {
    "hrsh7th/nvim-cmp",
    config = function()
      local cmp = require("cmp")
      require("luasnip.loaders.from_vscode").lazy_load()
      cmp.setup({
        snippet = {
          expand = function(args)
            require("luasnip").lsp_expand(args.body)
          end,
        },
        window = {
          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 }),
        }),
        sources = cmp.config.sources({
          { name = "nvim_lsp" },
          { name = "luasnip" },
          { name = "nvim_lua" }, -- ADD THIS: For nvim lua API completion
        }, {
          { name = "buffer" },
          { name = "path" },
          { name = "cmp_tabnine" }, -- ai powered suggestions
        }),
      })
    end,
  },
}
