{ pkgs, config, lib, ... }:

{
  home.packages = with pkgs; [
    zathura
    ripgrep
    fd
  ];

  programs.neovim = {
    enable = true;
    defaultEditor = true;
    viAlias = true;
    vimAlias = true;

    plugins = with pkgs.vimPlugins; [
      vimtex
      (nvim-treesitter.withPlugins (p: [ p.lua p.nix p.rust p.python p.bash p.latex p.c])) # Syntax highlighting + language servers
      telescope-nvim # File search
      plenary-nvim # Lua functions
      which-key-nvim # Keybind suggestions
      catppuccin-nvim # Catppuccin theme
      nvim-tree-lua # Tree file browser
      nvim-web-devicons # Icons
      orgmode # Obsidian.md stuff for neovim
      toggleterm-nvim # Togglable terminal in Neovim
      {
        plugin = vim-startify; # Add the plugin and its coresponding config
        config = "let g:startify_change_to_vcs_root = 0";
      }
    ];

    extraLuaConfig = ''
      vim.g.mapleader = " "

      vim.opt.number = true
      vim.opt.relativenumber = true
      vim.opt.clipboard = "unnamedplus"

      vim.o.timeout = true
      vim.o.timeoutlen = 300

      vim.cmd.colorscheme("catppuccin")

      -- KEYBINDS --
      vim.keymap.set("n", "<leader><leader>", function()
        require("telescope.builtin").find_files({
          cwd = vim.loop.cwd(),
        })
      end, { desc = "Find files (cwd)" })

      -- TAB KEYBINDS (t-based navigation)
      -- Close tab
      vim.keymap.set("n", "tc", "<cmd>tabclose<CR>", { desc = "Close tab" })

      -- Next tab
      vim.keymap.set("n", "tn", "<cmd>tabnext<CR>", { desc = "Next tab" })

      -- Previous tab
      vim.keymap.set("n", "tp", "<cmd>tabprevious<CR>", { desc = "Previous tab" })

      -- First tab
      vim.keymap.set("n", "t0", "<cmd>tabfirst<CR>", { desc = "First tab" })

      -- Last tab
      vim.keymap.set("n", "t$", "<cmd>tablast<CR>", { desc = "Last tab" })


      -- Catppuccin theme
      require("catppuccin").setup({
        flavour = "mocha", -- latte, frappe, macchiato, mocha
        transparent_background = false,
      })

      -- Treesitter
      require("nvim-treesitter.configs").setup({
        highlight = { enable = true },
        indent = { enable = true },
      })

      -- Telescope
      local telescope = require("telescope")
      local builtin = require("telescope.builtin")

      telescope.setup({
        defaults = {
          layout_strategy = "horizontal",
          layout_config = {
            prompt_position = "top",
          },
          sorting_strategy = "ascending",
          winblend = 0,
        },
      })

      -- Which-key keybind show
      require("which-key").setup({
        -- Optional custom config here
      })



      -- Telescope keymaps
      vim.keymap.set("n", "<leader>ff", builtin.find_files)
      vim.keymap.set("n", "<leader>fg", builtin.live_grep)
      vim.keymap.set("n", "<leader>fb", builtin.buffers)
      vim.keymap.set("n", "<leader>fh", builtin.help_tags))

      -- File tree
      require("nvim-tree").setup({
        view = {
          width = 30,
          side = "left",
        },
        renderer = {
          group_empty = true,
        },
        filters = {
          dotfiles = false,
          git_ignored = true,
        },

        git = {
        enable = true,
        ignore = true,
      },

        on_attach = function(bufnr)
          local api = require("nvim-tree.api")

          local function opts(desc)
            return {
              desc = "nvim-tree: " .. desc,
              buffer = bufnr,
              noremap = true,
              silent = true,
              nowait = true,
            }
          end

          -- load default mappings first
          api.config.mappings.default_on_attach(bufnr)

          -- open file in new tab with "t"
          vim.keymap.set("n", "t", function()
            local node = api.tree.get_node_under_cursor()
            if node and node.type == "file" then
              vim.cmd("tabnew " .. node.absolute_path)
            end
          end, opts("Open in new tab"))
        end,
      })

        -- Keybind to toggle
        vim.keymap.set("n", "<leader>e", "<cmd>NvimTreeToggle<CR>")

      -- Orgmode setup
      require('orgmode').setup({
        org_agenda_files = {'~/Documents/2. Writing/0. SOČ/org/*.org'},
        org_default_notes_file = '~/Documents/2. Writing/0. SOČ/org/index.org',
      })
      ------------------------------------------------------------------
      -- LaTeX configuration (from old LazyVim config)
      ------------------------------------------------------------------
      -- vimtex settings
      vim.g.vimtex_view_method = "zathura"
      vim.g.vimtex_compiler_latexmk = {
        build_dir = "",
        executable = "latexmk",
        options = {
          "-pdf",
          "-interaction=nonstopmode",
          "-synctex=1",
          "-file-line-error",
        },
      }
      -- Let treesitter handle LaTeX highlighting
      vim.g.vimtex_syntax_enabled = 0

      -- ToggleTerm setup
      require("toggleterm").setup({
        size = 20,
        open_mapping = [[<c-\>]],
        direction = "float",
        float_opts = {
          border = "rounded",
        },
      })

      -- Lazygit floating terminal
      local Terminal = require("toggleterm.terminal").Terminal

      local lazygit = Terminal:new({
        cmd = "lazygit",
        hidden = true,
        direction = "float",
        float_opts = {
          border = "rounded",
        },
      })

      function _LAZYGIT_TOGGLE()
        lazygit:toggle()
      end

      vim.keymap.set("n", "<leader>gg", _LAZYGIT_TOGGLE, { desc = "Lazygit" })

      -- Auto settings for LaTeX files
      vim.api.nvim_create_autocmd("FileType", {
        pattern = "tex",
        callback = function()
          vim.opt_local.wrap = true
          vim.opt_local.linebreak = true
          vim.opt_local.breakindent = true
          vim.opt_local.breakindentopt = "shift:2"
          vim.opt_local.textwidth = 0
        end,
      })
    '';
  };
}