nix-dotfiles-v2/home/nixvim.nix

{ pkgs, ... }:
{
  programs.nixvim = {
    enable = true;
    viAlias = true;
    vimAlias = true;
    defaultEditor = true;

    withPython3 = true;
    extraPython3Packages = ps: [ ps.pylatexenc ];

    extraPackages = with pkgs; [
      wl-clipboard
      xclip
      ripgrep
      tree-sitter
      imagemagick
    ];

    globals.mapleader = " ";

    opts = {
      number = true;
      relativenumber = true;
      tabstop = 4;
      softtabstop = 0;
      shiftwidth = 4;
      expandtab = true;
      smarttab = true;
      autoindent = true;
      backspace = [
        "indent"
        "eol"
        "start"
      ];
      mouse = "a";
      clipboard = "unnamedplus";
    };

    userCommands = {
      E = {
        command = "Oil";
        desc = "Open oil file explorer";
      };
    };

    plugins = {
      web-devicons.enable = true;

      treesitter = {
        enable = true;
        settings = {
          highlight.enable = true;
          indent.enable = true;
          ensure_installed = [
            "markdown"
            "markdown_inline"
            "latex"
            "yaml"
            "bash"
            "rust"
            "nix"
            "lua"
          ];
        };
      };

      lsp = {
        enable = true;
        servers = {
          rust_analyzer = {
            enable = true;
            installCargo = true;
            installRustc = true;
          };
          nil_ls.enable = true;
          lua_ls.enable = true;
          yamlls.enable = true;
        };
      };

      cmp-nvim-lsp.enable = true;
      cmp-buffer.enable = true;
      cmp-path.enable = true;

      cmp = {
        enable = true;
        autoEnableSources = true;
        settings = {
          mapping = {
            "<Tab>" = "cmp.mapping.select_next_item()";
            "<S-Tab>" = "cmp.mapping.select_prev_item()";
            "<CR>" = "cmp.mapping.confirm({ select = true })";
            "<C-Space>" = "cmp.mapping.complete()";
            "<C-e>" = "cmp.mapping.abort()";
          };
          sources = [
            { name = "nvim_lsp"; }
            { name = "path"; }
            { name = "buffer"; }
          ];
        };
      };

      telescope = {
        enable = true;
        keymaps = {
          "<leader>ff" = "find_files";
          "<leader>fg" = "live_grep";
          "<leader>fb" = "buffers";
        };
      };

      oil = {
        enable = true;
        settings = {
          default_file_explorer = true;
          columns = [ "icon" ];
          view_options.show_hidden = false;
          preview_win = {
            update_on_cursor_moved = true;
          };
          keymaps = {
            "<C-p>" = "actions.preview";
            "-" = "actions.parent";
          };
        };
      };

      render-markdown = {
        enable = true;
        settings = {
          latex = {
            enabled = true;
            converter = "latex2text";
            highlight = "RenderMarkdownMath";
            top_pad = 0;
            bottom_pad = 0;
          };
        };
      };

      markdown-preview.enable = true;
      vimtex.enable = true;
      typst-vim.enable = true;
      typst-preview.enable = true;
      lastplace.enable = true;
      indent-blankline.enable = true;
      nix.enable = true;

      clipboard-image = {
        enable = true;
        clipboardPackage = pkgs.wl-clipboard;
        settings = {
          default = {
            img_dir = "assets";
            img_dir_txt = "assets";
            affix = "![]({img_path})";
          };
        };
      };

      image.enable = true;
    };

    extraConfigLua = ''
      require("image").setup({
        backend = "sixel",
        processor = "magick_cli",
        integrations = {
          markdown = {
            enabled = true,
            only_render_image_at_cursor = true,
            only_render_image_at_cursor_mode = "popup",
          },
          typst = {
            enabled = true,
          },
        },
        max_height_window_percentage = 50,
        hijack_file_patterns = { "*.png", "*.jpg", "*.jpeg", "*.gif", "*.webp", "*.avif" },
      })
    '';

    keymaps = [
      {
        mode = "n";
        key = "<leader>e";
        action = "<cmd>Oil<CR>";
        options.desc = "Open oil file explorer";
      }
      {
        mode = "n";
        key = "<leader>m";
        action = "<cmd>MarkdownPreviewToggle<CR>";
        options.desc = "Toggle markdown preview";
      }
      {
        mode = "n";
        key = "<leader>fm";
        action = "<cmd>lua vim.lsp.buf.format()<CR>";
        options.desc = "Format with LSP";
      }
      {
        mode = "n";
        key = "<leader>bn";
        action = "<cmd>bnext<CR>";
        options.desc = "Next buffer";
      }
      {
        mode = "n";
        key = "<leader>bp";
        action = "<cmd>bprev<CR>";
        options.desc = "Previous buffer";
      }
      {
        mode = "n";
        key = "<leader>bd";
        action = "<cmd>bdelete<CR>";
        options.desc = "Delete buffer";
      }
      {
        mode = "n";
        key = "<leader>bN";
        action = "<cmd>enew<CR>";
        options.desc = "New buffer";
      }
    ];
  };
}