-- Author: microfracture / https://linuxious.com/
-- Updated: 2026-06-07


local g            = vim.g
g.mapleader        = " "           -- Key used for custom key mappings
g.maplocalleader   = " "           -- Same, but for certain file types/buffers

local opt          = vim.opt

-- ============================================================================
-- Appearance
-- ============================================================================

opt.termguicolors  = true          -- Enable true color support
opt.background     = "dark"        -- Enable colors for dark backgrounds

opt.number         = true          -- Always show line numbers
opt.cursorline     = true          -- Highlight the line with the cursor
opt.scrolloff      = 4             -- Keep 4 lines above/below the cursor

opt.textwidth      = 80            -- Maximum text length before a new line
opt.colorcolumn    = "80"          -- A visual guide for column 80

opt.laststatus     = 3             -- Always show the statusline
opt.signcolumn     = "yes"         -- Always show the sign column
opt.splitbelow     = true          -- Horizontal split below the window
opt.splitright     = true          -- Vertical split to the right of the window


-- ============================================================================
-- Tabs and Folds
-- ============================================================================

opt.expandtab      = true          -- Use spaces instead of tabs
opt.autoindent     = true          -- Enable automatic indentation
opt.smartindent    = false         -- Disable smart auto-indenting new lines
opt.preserveindent = true          -- Preserves indentation when pasting text

opt.foldenable     = true          -- Enable folding
opt.foldlevel      = 99            -- All folds are open upon start
opt.foldlevelstart = 99            -- All folds are open when opening a file


-- ============================================================================
-- Clipboard and Undo
-- ============================================================================

opt.clipboard      = "unnamedplus" -- Use the system clipboard
opt.undofile       = true          -- Enable persistent undo

-- Set the undo directory to ~/.local/state/nvim/undo
-- (or wherever your state directory is located)
opt.undodir        = vim.fn.stdpath("state") .. "/undo"

-- ============================================================================
-- Load Plugins
-- ============================================================================

--[[

  Plugins:
    alpha-nvim: Greeter
    barbar: Tabline
    blink.cmp: A fast completion plugin
    friendly-snippets: Snippets collection for various languages
    fzf-lua: Integrates fzf / fuzzy finding into Nvim
    indent-blankline: Indentation guides
    nvim-colorizer: Color highlighter
    nvim-lualine: Statusline
    nvim-scrollview: Interactive vertical scrollbars
    nvim-tree: File explorer
    nvim-treesitter: Treesitter configurations
    nvim-web-devicons: Adds Nerd font icons.
    which-key: Shows available key binds within a popup

  Colorschemes:
      vague: A nice dark and low contrast colorscheme

]]--

vim.pack.add({
  {
    src = "https://github.com/nvim-treesitter/nvim-treesitter",
    version = "main",

    data = {
      run = function(_) vim.cmd "TSUpdate" end,
    },
  },

  {
    src = "https://github.com/saghen/blink.cmp",
    version = vim.version.range("1.*"),
  },

  "https://github.com/goolord/alpha-nvim",
  "https://github.com/romgrk/barbar.nvim",
  "https://github.com/rafamadriz/friendly-snippets",
  "https://github.com/ibhagwan/fzf-lua",
  "https://github.com/lukas-reineke/indent-blankline.nvim",
  "https://github.com/catgoose/nvim-colorizer.lua",
  "https://github.com/nvim-lualine/lualine.nvim",
  "https://github.com/dstein64/nvim-scrollview",
  "https://github.com/nvim-tree/nvim-tree.lua",
  "https://github.com/folke/which-key.nvim",

  -- Dependencies
  "https://github.com/nvim-tree/nvim-web-devicons",

  -- Colorschemes
  "https://github.com/vague-theme/vague.nvim",
})

-- ============================================================================
-- Configure Plugins
-- ============================================================================

-- Enable the vague colorscheme
vim.cmd.colorscheme("vague")

-- No config needed. Just setup
require("lualine").setup()
require("colorizer").setup()

-- alpha-nvim
local status_ok, alpha = pcall(require, "alpha")

if status_ok then
  local dashboard = require("alpha.themes.startify")
  alpha.setup(dashboard.config)
end

-- nvim-tree
require("nvim-tree").setup({
  sort = {
    sorter = "case_sensitive",
  },
  view = {
    width = 30,
  },
  renderer = {
    group_empty = true,
  },
  filters = {
    dotfiles = true,
  },
})

-- blink.cmp
require("blink.cmp").setup({
  keymap = {
    preset = "super-tab",
  },

  sources = {
    default = {
      "lsp",
      "path",
      "snippets",
      "buffer",
    },
  },
})

-- treesitter
vim.api.nvim_create_autocmd('FileType', {
  pattern = {
    "css",
    "html",
    "javascript",
    "json",
    "lua",
    "markdown",
    "python",
    "ruby",
    "scss",
    "xml",
    "yaml",
  },

  callback = function()
    -- Enable highlighting
    vim.treesitter.start()

    -- Enable folding
    opt.foldmethod = "expr"
    opt.foldexpr = "v:lua.vim.treesitter.foldexpr()"

    -- Enable experimental indentation
    vim.bo.indentexpr = "v:lua.require'nvim-treesitter'.indentexpr()"
  end,
})