HOME = os.getenv("HOME")
vim.cmd([[colorscheme gruvbox]])

vim.g.mapleader = ' '
vim.g.maplocalleader = '\\'

-- Plugins
require "paq" {
    "savq/paq-nvim",

    "nvim-treesitter/nvim-treesitter",
    "nvim-treesitter/nvim-treesitter-textobjects",

    -- Theming
    "ellisonleao/gruvbox.nvim",
    "nvim-lualine/lualine.nvim",
    "nvim-tree/nvim-web-devicons",
    "lukas-reineke/indent-blankline.nvim",

    -- LSP support
    "onsails/lspkind.nvim",
    "lukas-reineke/lsp-format.nvim",
    "neovim/nvim-lspconfig",

{{- if ne .chezmoi.os "openbsd" }}
    "williamboman/mason.nvim",
    "williamboman/mason-lspconfig.nvim",
{{- end }}

    -- Autocomplete
    "hrsh7th/nvim-cmp",
    "hrsh7th/cmp-buffer",
    "hrsh7th/cmp-path",
    "saadparwaiz1/cmp_luasnip",
    "hrsh7th/cmp-nvim-lsp",
    "hrsh7th/cmp-nvim-lua",

    -- Snippets
    "L3MON4D3/LuaSnip",
    "rafamadriz/friendly-snippets",

    -- Programming support
    "kylechui/nvim-surround",
    "windwp/nvim-autopairs",
    "numToStr/Comment.nvim",
    "ggandor/leap.nvim",

    -- Fuzzy search
    { "nvim-telescope/telescope-fzf-native.nvim", run = "gmake" },
    "nvim-telescope/telescope-file-browser.nvim",
    "nvim-telescope/telescope.nvim",
    "folke/trouble.nvim",

    "mfussenegger/nvim-dap",
    "theHamsta/nvim-dap-virtual-text",
    "rcarriga/nvim-dap-ui",

    "norcalli/nvim-colorizer.lua",
    "lewis6991/gitsigns.nvim",
    "tpope/vim-fugitive",
    "renerocksai/telekasten.nvim",
    "renerocksai/calendar-vim",
    "nvim-lua/plenary.nvim",
    "akinsho/toggleterm.nvim",

}

require('nvim-web-devicons').setup {}
require('nvim-surround').setup()
require('Comment').setup()
require('dapui').setup()
require('gitsigns').setup()
require("trouble").setup {}
require('nvim-autopairs').setup({
    fast_wrap = {},
    check_ts = true
})

require('leap').add_default_mappings()

require 'colorizer'.setup {
    filetypes = {
        'css',
        'javascript',
        scss = { rgb_fn = true, },
        html = { mode = 'foreground', }
    },
}

require('lualine').setup {
    options = {
        icons_enabled = true,
        theme = 'gruvbox',
        component_separators = '|',
        section_separators = '',
    }
}

require('indent_blankline').setup({
    char = '▏',
    show_trailing_blankline_indent = false,
    show_first_indent_level = false,
    use_treesitter = true,
    show_current_context = false
})

require('toggleterm').setup({
    open_mapping = '<C-g>',
    direction = 'horizontal',
    shade_terminals = true
})

require("gruvbox").setup {
    contrast = "hard"
}

-- Options
local o         = vim.opt

-- basic settings
o.encoding      = "utf-8"
o.backspace     = "indent,eol,start" -- backspace works on every char in insert mode
o.completeopt   = { 'menu', 'menuone', 'noselect' }
o.history       = 1000
-- o.dictionary = '/home/jan/.vim/dict/words'
-- o.dictionary = '/usr/share/dict/words'
o.startofline   = true
o.title         = true
o.clipboard     = 'unnamedplus'

-- Mapping waiting time
o.timeoutlen    = 200
o.ttimeoutlen   = 0

-- Spellchecker
o.spell         = false
o.spelllang     = { 'en_us' }
o.spellfile     = HOME .. '/.vim/spell/en.utf8.add'
o.thesaurus     = HOME .. '/.vim/thesaurus/english.txt'

-- Display
o.showmatch     = true -- show matching brackets
o.colorcolumn   = '90'
o.cursorline    = true
o.scrolloff     = 8 -- always show 3 rows from edge of the screen
o.splitbelow    = true
o.splitright    = true
o.virtualedit   = 'block'
o.synmaxcol     = 300 -- stop syntax highlight after x lines for performance
o.laststatus    = 2 -- always show status line
o.list          = false -- do not display white characters
o.termguicolors = true
o.background    = "dark"
o.wrap          = false --do not wrap lines even if very long
o.eol           = false -- show if there's no eol char
o.showbreak     = '↪' -- character to show when line is broken

-- Folding
o.foldenable    = true
o.foldnestmax   = 2
o.foldminlines  = 10
o.foldmethod    = "expr"
o.foldexpr      = "nvim_treesitter#foldexpr()"

-- workaround for Telescope bug
vim.api.nvim_create_autocmd({ "BufEnter" }, {
    pattern = { "*" },
    command = "normal zx",
})

-- Sidebar
o.number = true -- line number on the left
o.relativenumber = true
o.numberwidth = 3 -- always reserve 3 spaces for line number
o.signcolumn = 'yes'
o.modelines = 0

-- Bottombar
o.showcmd = true -- display command in bottom bar
o.ruler = false
o.showmode = false

-- Search
o.incsearch = true -- starts searching as soon as typing, without enter needed
o.hlsearch = true -- highlighting of search matches
o.ignorecase = true -- ignore letter case when searching
o.smartcase = true -- case insentive unless capitals used in search
o.wildignorecase = true

o.matchtime = 2 -- delay before showing matching paren
o.mps = vim.o.mps .. ",<:>"

-- White characters
o.smartindent = true
o.breakindent = true
o.tabstop = 4
o.shiftwidth = 4 -- indentation rule
o.softtabstop = 4
o.expandtab = true -- expand tab to spaces
o.smarttab = true

-- Shortmess
o.shortmess = o.shortmess
    + {
        A = true, -- don't give the "ATTENTION" message when an existing swap file is found.
        I = true, -- don't give the intro message when starting Vim |:intro|.
        W = true, -- don't give "written" or "[w]" when writing a file
        c = true, -- don't give |ins-completion-menu| messages
        m = true, -- use "[+]" instead of "[Modified]"
    }

-- Format options
o.formatoptions = o.formatoptions
    + {
        c = false,
        o = false, -- O and o, don't continue comments
        r = true, -- Pressing Enter will continue comments
    }

-- Backup files
o.hidden = true
o.autowrite = true
o.autoread = true
o.backup = true -- use backup files
o.writebackup = false
o.swapfile = false -- do not use swap file
o.undofile = true
o.undodir = HOME .. '/.local/share/nvim/dirs/undo//' -- undo files
o.backupdir = HOME .. '/.local/share/nvim/dirs/backup//' -- backups

-- Commands mode
o.wildmenu = true -- on TAB, complete options for system command
o.wildignore =
'deps,.svn,CVS,.git,.hg,*.o,*.a,*.class,*.mo,*.la,*.so,*.obj,*.swp,*.jpg,*.png,*.xpm,*.gif,.DS_Store,*.aux,*.out,*.toc'

vim.cmd([[
au BufRead,BufNewFile *.md          set ft=mkd tw=80 syntax=markdown
]])

vim.api.nvim_create_user_command('ReloadConfig', 'source $MYVIMRC', {})

local group = vim.api.nvim_create_augroup('user_cmds', { clear = true })

vim.api.nvim_create_autocmd('TextYankPost', {
    desc = 'Highlight on yank',
    group = group,
    callback = function()
        vim.highlight.on_yank({ higroup = 'Visual', timeout = 200 })
    end,
})

local map = vim.keymap.set

map({ 'n', 'v' }, '<Space>', "<Nop>", { silent = true })

-- clear the search buffer when hitting return
map('n', '<CR>', '{->v:hlsearch ? ":nohl\\<CR>" : "\\<CR>"}()', { expr = true })

-- sane regexes
map({ 'n', 'v' }, '/', '/\\v', { noremap = true, silent = true })

-- don't jump when using *
map('n', '*', '*<c-o>')

-- keep search matches in the middle of the window
map('n', 'n', 'nzzzv')
map('n', 'N', 'Nzzzv')

-- Same when jumping around
map('n', 'g;', 'g;zz')

-- replace ex mode map and use it for repeating 'q' macro
map('n', 'Q', '@q')
map('v', 'Q', '<cmd>norm @q<CR>')

-- Shortcut to close quickfix windows
map('n', '<leader>a', '<cmd>windo lcl|ccl<CR>')

-- <Leader>q Closes the current buffer
map('n', '<leader>q', '<cmd>bdelete<CR>')

-- Easier in-file navigation with Tab and S-Tab
map('n', '<S-Tab>', '<C-U>')
map('n', '<Tab>', '<C-D>')

-- Easy buffer navigation
map('n', '<C-h>', '<C-w>h')
map('n', '<C-j>', '<C-w>j')
map('n', '<C-k>', '<C-w>k')
map('n', '<C-l>', '<C-w>l')

map('n', '<up>', '<cmd>resize -2<CR>')
map('n', '<down>', '<cmd>resize +2<CR>')
map('n', '<left>', '<cmd>vertical resize -2<CR>')
map('n', '<right>', '<cmd>vertical resize +2<CR>')

-- Trouble keymap
map('n', '<leader>xx', '<cmd>TroubleToggle<cr>', { noremap = true, silent = true })
map('n', '<leader>xd', '<cmd>TroubleToggle document_diagnostics<cr>', { noremap = true, silent = true })
map('n', '<leader>xl', '<cmd>TroubleToggle loclist<cr>', { noremap = true, silent = true })
map('n', '<leader>xq', '<cmd>TroubleToggle quickfix<cr>', { noremap = true, silent = true })

map('n', '<leader>g', '<cmd>vertical rightbelow Git<cr>', { noremap = true, silent = true })