-- =============================================================================
-- ui.lua — UI 美化套件
-- =============================================================================

return {
  -- bufferline: 顶部标签栏
  {
    "akinsho/bufferline.nvim",
    version = "*",
    event = "BufAdd",
    dependencies = {
      "nvim-tree/nvim-web-devicons",
      "famiu/bufdelete.nvim",
    },
    config = function()
      require("bufferline").setup({
        options = {
          mode = "buffers",
          style_preset = require("bufferline").style_preset.default,
          themable = true,
          numbers = "none",
          close_command = "Bdelete!",
          right_mouse_command = "Bdelete!",
          indicator = { style = "icon", icon = "▎" },
          buffer_close_icon = "󰅖",
          modified_icon = "●",
          close_icon = "",
          left_trunc_marker = "",
          right_trunc_marker = "",
          max_name_length = 18,
          max_prefix_length = 15,
          truncate_names = true,
          tab_size = 18,
          diagnostics = "nvim_lsp",
          diagnostics_update_in_insert = false,
          offsets = {
            { filetype = "oil", text = "文件浏览器", highlight = "Directory", text_align = "left" },
            { filetype = "NvimTree", text = "文件树", highlight = "Directory", text_align = "left" },
          },
          color_icons = true,
          show_buffer_icons = true,
          show_buffer_close_icons = true,
          show_close_icon = false,
          show_tab_indicators = true,
          persist_buffer_sort = true,
          separator_style = "thin",
          enforce_regular_tabs = false,
          always_show_bufferline = true,
          hover = { enabled = true, delay = 200, reveal = { "close" } },
          -- 隐藏非文件 buffer（quickfix/终端/help 等），避免 cmake 输出污染标签栏
          custom_filter = function(bufnr)
            return vim.bo[bufnr].buftype == ""
          end,
        },
      })
    end,
  },

  -- lualine: 底部状态栏
  {
    "nvim-lualine/lualine.nvim",
    event = "BufAdd",
    dependencies = { "nvim-tree/nvim-web-devicons" },
    opts = {
      options = {
        component_separators = "|",
        section_separators = "",
        globalstatus = true,
        theme = "tokyonight",
      },
      sections = {
        lualine_a = { "mode" },
        lualine_b = { "branch", "diff", "diagnostics" },
        lualine_c = { { "filename", path = 1 } },
        lualine_x = { "encoding", "fileformat", "filetype" },
        lualine_y = { "progress" },
        lualine_z = { "location" },
      },
    },
  },

  -- noice.nvim: 命令行美化
  {
    "folke/noice.nvim",
    event = "VeryLazy",
    opts = {
      cmdline = {
        view = "cmdline_popup",
        format = {
          search_down = { icon = " " },
          search_up   = { icon = " " },
        },
      },
      messages = {
        enabled = true,
        view = "notify",
        view_error = "notify",
        view_warn = "notify",
      },
      popupmenu = { enabled = true, backend = "nui" },
      presets = {
        bottom_search = false,
        command_palette = true,
        long_message_to_split = true,
        inc_rename = true,
        lsp_doc_border = true,
      },
      -- 禁用 vim.ui.input 的补全，避免 nvim-tree 文件操作时回车误触发补全
      input = {
        enabled = false,
      },
    },
    dependencies = { "MunifTanjim/nui.nvim", "rcarriga/nvim-notify" },
  },

  -- nvim-notify: 通知美化
  {
    "rcarriga/nvim-notify",
    event = "BufAdd",
    opts = {
      timeout = 3000,
      max_width = 50,
      render = "compact",
      stages = "fade",
    },
    config = function(_, opts)
      local notify = require("notify")
      notify.setup(opts)
      vim.notify = notify
    end,
  },

  -- dressing.nvim: 输入框美化
  {
    "stevearc/dressing.nvim",
    event = "VeryLazy",
    opts = {},
  },

  -- dashboard-nvim: 启动首页
  {
    "nvimdev/dashboard-nvim",
    lazy = false,
    dependencies = { "nvim-tree/nvim-web-devicons" },
    config = function()
      require("dashboard").setup({
        theme = "doom",
        config = {
          header = {
            "",
            "  ███╗   ██╗███████╗ ██████╗ ██╗   ██╗██╗   ██╗██╗███╗   ███╗",
            "  ████╗  ██║██╔════╝██╔═══██╗██║   ██║██║   ██║██║████╗ ████║",
            "  ██╔██╗ ██║█████╗  ██║   ██║██║   ██║██║   ██║██║██╔████╔██║",
            "  ██║╚██╗██║██╔════╝██║   ██║╚██╗ ██╔╝╚██╗ ██╔╝██║██║╚██╔╝██║",
            "  ██║ ╚████║███████╗╚██████╔╝ ╚████╔╝  ╚████╔╝ ██║██║ ╚═╝ ██║",
            "  ╚═╝  ╚═══╝╚══════╝ ╚═════╝   ╚═══╝    ╚═══╝  ╚═╝╚═╝     ╚═╝",
            "",
          },
          center = {
            { icon = "  ", key = "f", desc = "f 查找文件", action = "Telescope find_files" },
            { icon = "  ", key = "r", desc = "r 最近文件", action = "Telescope oldfiles" },
            { icon = "  ", key = "g", desc = "g 全局搜索", action = "Telescope live_grep" },
            { icon = "  ", key = "l", desc = "l 插件管理", action = "Lazy" },
            { icon = "  ", key = "m", desc = "m LSP 管理", action = "Mason" },
            { icon = "  ", key = "q", desc = "q 退出", action = "qa" },
          },
          footer = { " type :help for help · :q to exit" },
          vertical_center = true, -- 官方垂直居中选项
        },
      })
    end,
  },

  -- 通用依赖
  { "nvim-lua/plenary.nvim", lazy = true },
  { "MunifTanjim/nui.nvim", lazy = true },
}