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{ config, pkgs, ... }:

{
  programs.neovim = {
    enable = true;
    defaultEditor = true;
    viAlias = true;
    vimAlias = true;
    withRuby = false;
    withPython3 = false;

    extraPackages = with pkgs; [
      gcc
      ripgrep
    ];

    initLua = ''
      vim.opt.number = true
      vim.opt.relativenumber = false
      vim.opt.numberwidth = 4
      vim.opt.statuscolumn = "%l %s"
      vim.opt.tabstop = 2
      vim.opt.softtabstop = 2
      vim.opt.shiftwidth = 2
      vim.opt.expandtab = true
      vim.opt.wrap = false
      vim.opt.ignorecase = true
      vim.opt.smartcase = true
      vim.opt.hlsearch = false
      vim.opt.termguicolors = false
      vim.opt.signcolumn = "yes"
      vim.opt.scrolloff = 8
      vim.opt.showmode = false
      vim.opt.timeoutlen = 300
      vim.opt.updatetime = 250
      vim.opt.foldcolumn = "0"
      vim.opt.directory = vim.fn.stdpath("state") .. "/swap//"

      vim.g.mapleader = " "
      vim.g.maplocalleader = " "

      vim.keymap.set({"n", "i"}, "<C-s>", "<cmd>write<cr>", {desc = "save file"})
      vim.keymap.set("n", "<C-s>", "<cmd>write<cr>", {desc = "save file"})
      vim.keymap.set("n", "<C-q>", "<cmd>quit<cr>", {desc = "quit neovim"})
      vim.keymap.set("n", "<C-Q>", "<cmd>quit!<cr>", {desc = "force quit"})
      vim.keymap.set("n", "<C-h>", "<cmd>nohlsearch<cr>", {desc = "clear search highlight"})
      vim.keymap.set({"n", "x"}, "gy", '"+y', {desc = "copy to clipboard"})
      vim.keymap.set({"n", "x"}, "gp", '"+p', {desc = "paste from clipboard"})
      vim.keymap.set("n", "<C-z>", "u", {desc = "undo"})
      vim.keymap.set("i", "<C-z>", "<C-o>u", {desc = "undo"})
      vim.keymap.set("n", "<C-y>", "<C-r>", {desc = "redo"})
      vim.keymap.set("i", "<C-y>", "<C-o><C-r>", {desc = "redo"})
      vim.keymap.set({"n", "i"}, "<C-a>", "ggVG", {desc = "select all"})
      vim.keymap.set("n", "<C-ff>", "<cmd>Telescope find_files<cr>", {desc = "find files"})
      vim.keymap.set("n", "<C-fg>", "<cmd>Telescope live_grep<cr>", {desc = "text search"})
      vim.keymap.set("n", "<C-fb>", "<cmd>Telescope buffers<cr>", {desc = "find buffers"})
      vim.keymap.set("n", "<C-fh>", "<cmd>Telescope help_tags<cr>", {desc = "help tags"})
      vim.keymap.set("n", "<C-h>", "<C-w>h", {desc = "move to left split"})
      vim.keymap.set("n", "<C-j>", "<C-w>j", {desc = "move to lower split"})
      vim.keymap.set("n", "<C-k>", "<C-w>k", {desc = "move to upper split"})
      vim.keymap.set("n", "<C-l>", "<C-w>l", {desc = "move to right split"})
      vim.keymap.set("n", "<C-|>", "<cmd>vsplit<cr>", {desc = "vertical split"})
      vim.keymap.set("n", "<C-->", "<cmd>split<cr>", {desc = "horizontal split"})
      vim.keymap.set("n", "<C-x>", "<cmd>close<cr>", {desc = "close split"})

      vim.cmd.colorscheme("default")
      vim.opt.matchpairs = ""
      vim.api.nvim_set_hl(0, "MatchParen", {})
      vim.cmd("highlight clear MatchParen")
      vim.cmd("highlight MatchParen guifg=NONE guibg=NONE gui=NONE")

      local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
      if not vim.loop.fs_stat(lazypath) then
        vim.fn.system({
          "git",
          "clone",
          "--filter=blob:none",
          "https://github.com/folke/lazy.nvim.git",
          "--branch=stable",
          lazypath,
        })
      end
      vim.opt.rtp:prepend(lazypath)

      require("lazy").setup({
        {
          "nvim-telescope/telescope.nvim",
          dependencies = { "nvim-lua/plenary.nvim" },
          cmd = "Telescope",
          keys = {
            { "<C-ff>", "<cmd>Telescope find_files<cr>", desc = "find files" },
            { "<C-fg>", "<cmd>Telescope live_grep<cr>", desc = "text search" },
            { "<C-fb>", "<cmd>Telescope buffers<cr>", desc = "find buffers" },
            { "<C-fh>", "<cmd>Telescope help_tags<cr>", desc = "help tags" },
          },
          config = function()
            local telescope = require("telescope")
            telescope.setup({
              defaults = {
                file_ignore_patterns = { "node_modules", ".git", "%.lock" },
                layout_strategy = "horizontal",
                layout_config = {
                  horizontal = {
                    preview_width = 0.5,
                  },
                },
              },
              pickers = {
                find_files = {
                  hidden = true,
                  no_ignore = false,
                },
                live_grep = {
                  additional_args = function()
                    return { "--hidden" }
                  end,
                },
              },
            })
          end,
        },
        {
          "nvim-neo-tree/neo-tree.nvim",
          branch = "v3.x",
          dependencies = {
            "nvim-lua/plenary.nvim",
            "nvim-tree/nvim-web-devicons",
            "MunifTanjim/nui.nvim",
          },
          keys = {
            { "<C-e>", "<cmd>Neotree toggle<cr>", desc = "toggle file explorer" },
          },
          config = function()
            require("neo-tree").setup({
              window = {
                position = "right",
                width = 30,
                mappings = {
                  ["l"] = "open",
                  ["h"] = "close_node",
                  ["<CR>"] = "open",
                  ["<Esc>"] = "revert_preview",
                },
              },
              filesystem = {
                filtered_items = {
                  visible = false,
                  hide_dotfiles = false,
                  hide_gitignored = false,
                  hide_by_name = {
                    ".git",
                    ".DS_Store",
                    "thumbs.db",
                  },
                },
                follow_current_file = {
                  enabled = true,
                },
              },
            })
          end,
        },
        {
          "goolord/alpha-nvim",
          dependencies = { "nvim-tree/nvim-web-devicons" },
          config = function()
            local alpha = require("alpha")
            local dashboard = require("alpha.themes.dashboard")

            dashboard.section.header.val = {
              "       ⠀⠀⠀⢀⡴⠲⣄⠀⠀⢀⡶⠲⡄⠀⣀⣀⣀⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀",
              "       ⣀⣀⣀⣾⠁⠀⠹⠿⠟⠟⠀⠀⠙⣛⣉⡻⠿⠋⣿⣷⢦⣄⠀⠀⠀⠀⠀⠀",
              "       ⠭⠭⣽⠇⠀⠶⠀⢴⣦⠀⠶⠆⠸⠯⠭⠄⠀⠀⠀⠀⠀⠙⢧⡀⠀⢀⣤⣤",
              "⠀⠀       ⡟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⢷⣤⣾⣻⡟",
              "       ⠀⠀⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣧⠽⠋⠀",
              "       ⠀⠀⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣸⠀⠀⠀⠀",
              "       ⠀⠀⢷⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⡟⠀⠀⠀⠀",
              "⠀       ⠀⠈⠳⣄⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⠟⠀⠀⠀⠀⠀",
              "⠀⠀       ⠀⠀⠉⠿⠟⠛⠛⠻⠾⠛⠛⠛⠛⠻⠟⠛⠛⠻⠾⠃⠀⠀⠀⠀⠀⠀",
            }

            dashboard.section.buttons.val = {
              dashboard.button("f", " > find file", "<cmd>Telescope find_files<cr>"),
              dashboard.button("n", " > new file", "<cmd>enew<cr>"),
              dashboard.button("r", " > recent files", "<cmd>Telescope oldfiles<cr>"),
              dashboard.button("q", " > quit", "<cmd>qa<cr>"),
            }

            alpha.setup(dashboard.opts)
          end,
        },
      })

      vim.api.nvim_create_autocmd("User", {
        pattern = "LazyDone",
        callback = function()
          vim.notify("plugins loaded", vim.log.levels.INFO, { title = "neovim" })
        end,
      })
    '';
  };
}