local opt = vim.opt
local g = vim.g

g.mapleader = ' '
g.maplocalleader = ';'
g.python3_host_prog = '/usr/bin/python3'

opt.mouse = 'a' -- mouse does annoying things for me if it's not 'a'
opt.signcolumn = 'yes'
opt.clipboard = '' -- don't just use the system clipboard
opt.wrap = false
opt.breakindent = false
opt.spell = false
opt.conceallevel = 2
opt.undofile = true
opt.undolevels = 10000
opt.writebackup = false
opt.history = 5000
opt.shada = { "'1000", '<50', 's10', 'h' }

-- Tabs and Indents
-- ===

opt.textwidth = 80 -- Text width maximum chars before wrapping
opt.tabstop = 4 -- The number of spaces a tab is
opt.shiftwidth = 4 -- Number of spaces to use in auto(indent)
opt.smarttab = true -- Tab insert blanks according to 'shiftwidth'
opt.autoindent = true -- Use same indenting on new lines
opt.smartindent = true -- Smart autoindenting on new lines
opt.shiftround = true -- Round indent to multiple of 'shiftwidth'

-- Timing
-- ===
opt.ttimeout = true
opt.timeoutlen = 500 -- Time out on mappings
opt.ttimeoutlen = 10 -- Time out on key codes
opt.updatetime = 250 -- Idle time to write swap and trigger CursorHold

-- Searching
-- ===
opt.ignorecase = true -- Search ignoring case
opt.smartcase = true -- Keep case when searching with *
opt.infercase = true -- Adjust case in insert completion mode
opt.incsearch = true -- Incremental search
vim.opt.hlsearch = true -- highlight searched stuff

-- Formatting
-- ===

opt.wrap = false -- No wrap by default
opt.linebreak = true -- Break long lines at 'breakat'
opt.breakat = '\\ \\	;:,!?' -- Long lines break chars
opt.startofline = false -- Cursor in same column for few commands
opt.splitbelow = true -- Splits open bottom right
opt.splitright = true
opt.breakindentopt = { shift = 2, min = 20 }
opt.formatoptions = '' -- see :h fo-table & :h formatoptions
vim.opt.breakindent = true

-- Diff
-- ===

opt.diffopt:append { 'iwhite', 'indent-heuristic', 'algorithm:patience' }
opt.wildmode = 'longest:full,full' -- Command-line completion mode

-- Folds
-- ===

opt.foldlevel = 10 -- start with all folds open

-- Editor UI
-- ===

vim.o.guifont = 'FiraCode Nerd Font:h15'
opt.termguicolors = true
opt.shortmess = 'xsTOInfFitloCaAs'
opt.showmode = true -- Show mode in cmd window
opt.scrolloff = 10 -- Keep at least n lines above/below
opt.sidescrolloff = 10 -- Keep at least n lines left/right
opt.numberwidth = 2 -- Minimum number of columns to use for the line number
opt.number = true -- Show line numbers
opt.relativenumber = true -- Show relative line numbers
opt.ruler = true -- Default status ruler
opt.showtabline = 1 -- Don't change this, goes back to a vanilla vim default
opt.laststatus = 3 -- Always show laststatus

-- Sets how neovim will display certain whitespace characters in the editor.
--  See `:help 'list'`
--  and `:help 'listchars'`
vim.opt.list = true
vim.opt.listchars = { tab = '» ', trail = '·', nbsp = '␣' }

if vim.g.started_by_firenvim == true then
  opt.showtabline = 1 -- Don't show tabline in firenvim, unless multitab
  opt.laststatus = 1 -- Don't show laststatus in firenvim
  opt.wrap = true
end

-- Preview substitutions live, as you type!
vim.opt.inccommand = 'split'

if vim.g.neovide == true then
  -- fulscreen with F11
  vim.api.nvim_set_keymap('n', '<F11>', ':let g:neovide_fullscreen = !g:neovide_fullscreen<CR>', {})

  vim.g.neovide_underline_automatic_scaling = true

  -- vim.g.neovide_floating_blur_amount_x = 2.0
  -- vim.g.neovide_floating_blur_amount_y = 2.0

  vim.g.neovide_scroll_animation_length = 0.1
  -- vim.g.neovide_cursor_animation_length = 0
  -- vim.g.neovide_cursor_trail_size = 0
  vim.g.neovide_hide_mouse_when_typing = true

  vim.g.neovide_fullscreen = true
end

opt.helpheight = 0 -- Disable help window resizing
opt.winwidth = 30 -- Minimum width for active window
opt.winminwidth = 1 -- Minimum width for inactive windows
opt.winheight = 1 -- Minimum height for active window
opt.winminheight = 1 -- Minimum height for inactive window

opt.showcmd = false -- show command in status line
opt.cmdheight = 0
opt.cmdwinheight = 5 -- Command-line lines
opt.equalalways = true -- Resize windows on split or close
opt.colorcolumn = '80' -- Column highlight at textwidth's max character-limit

opt.cursorline = true
opt.cursorlineopt = { 'number', 'screenline' }

opt.pumheight = 10 -- Maximum number of items to show in the popup menu
opt.pumwidth = 10 -- Minimum width for the popup menu
opt.pumblend = 10 -- Popup blend

-- Spelling correction
-- ===

opt.spell = false -- manually enable spell with `set spell` or `<leader>ts`
opt.spelllang = 'en,de_de,'
opt.spellsuggest = 'double,50,timeout:5000'

-- autocommands
-- ===
local function augroup(name)
  return vim.api.nvim_create_augroup('plex_' .. name, {})
end

-- [[ Basic Keymaps ]]
--  See `:help vim.keymap.set()`

-- [[ Basic Autocommands ]]
--  See `:help lua-guide-autocommands`

-- Highlight when yanking (copying) text
--  Try it with `yap` in normal mode
--  See `:help vim.highlight.on_yank()`
vim.api.nvim_create_autocmd('TextYankPost', {
  desc = 'Highlight when yanking (copying) text',
  group = vim.api.nvim_create_augroup('kickstart-highlight-yank', { clear = true }),
  callback = function()
    vim.highlight.on_yank()
  end,
})

-- [[ Install `lazy.nvim` plugin manager ]]
--    See `:help lazy.nvim.txt` or https://github.com/folke/lazy.nvim for more info
local lazypath = vim.fn.stdpath 'data' .. '/lazy/lazy.nvim'
if not vim.loop.fs_stat(lazypath) then
  local lazyrepo = 'https://github.com/folke/lazy.nvim.git'
  vim.fn.system { 'git', 'clone', '--filter=blob:none', '--branch=stable', lazyrepo, lazypath }
end ---@diagnostic disable-next-line: undefined-field
vim.opt.rtp:prepend(lazypath)

require 'custom.maps'
require('lazy').setup({
  { import = 'custom.plugins' },
}, {
  ui = {
    -- If you are using a Nerd Font: set icons to an empty table which will use the
    -- default lazy.nvim defined Nerd Font icons, otherwise define a unicode icons table
    icons = vim.g.have_nerd_font and {} or {
      cmd = '⌘',
      config = '🛠',
      event = '📅',
      ft = '📂',
      init = '⚙',
      keys = '🗝',
      plugin = '🔌',
      runtime = '💻',
      require = '🌙',
      source = '📄',
      start = '🚀',
      task = '📌',
      lazy = '💤 ',
    },
  },
})

require 'kickstart.health'

-- The line beneath this is called `modeline`. See `:help modeline`
-- vim: ts=2 sts=2 sw=2 et