let mapleader=" "

set mouse=a
set number
set relativenumber
set autoindent
set smarttab
set ignorecase
set smartcase
set termguicolors
syntax on

" Autocompletion
set wildmode=longest,list,full

" Fix splitting
set splitbelow splitright

"Tab settings
set expandtab
set shiftwidth=4
set softtabstop=4
set tabstop=4

set clipboard+=unnamedplus


call plug#begin()

Plug 'andweeb/presence.nvim'
Plug 'ap/vim-css-color'
Plug 'jiangmiao/auto-pairs'
Plug 'kyazdani42/nvim-web-devicons'
Plug 'L3MON4D3/LuaSnip'
Plug 'lewis6991/gitsigns.nvim'
Plug 'lukas-reineke/indent-blankline.nvim'
Plug 'mattn/emmet-vim'
Plug 'Mofiqul/dracula.nvim'
Plug 'norcalli/nvim-colorizer.lua'
Plug 'numToStr/Comment.nvim'
Plug 'nvim-lualine/lualine.nvim'
Plug 'nvim-lua/plenary.nvim'
Plug 'nvim-telescope/telescope.nvim', { 'tag': '0.1.0' }
Plug 'nvim-telescope/telescope-fzf-native.nvim', { 'do': 'make' }
Plug 'nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'}
Plug 'preservim/nerdtree'
Plug 'rafi/awesome-vim-colorschemes'
Plug 'ryanoasis/vim-devicons'
Plug 'sbdchd/neoformat'
Plug 'vimwiki/vimwiki'
Plug 'saecki/crates.nvim'
" cmp
Plug 'williamboman/nvim-lsp-installer'
Plug 'neovim/nvim-lspconfig'
Plug 'hrsh7th/cmp-nvim-lsp'
Plug 'hrsh7th/cmp-buffer'
Plug 'hrsh7th/cmp-path'
Plug 'hrsh7th/cmp-cmdline'
Plug 'hrsh7th/nvim-cmp'
Plug 'saadparwaiz1/cmp_luasnip'


call plug#end()

colorscheme dracula

set cursorline
set cursorcolumn
highlight CursorLine ctermbg=Yellow cterm=bold guibg=#2b2b2b
highlight CursorColumn ctermbg=Yellow cterm=bold guibg=#2b2b2b

nnoremap <leader>n :NERDTreeFocus<CR>
nnoremap <C-n> :NERDTree<CR>
nnoremap <C-t> :NERDTreeToggle<CR>
nnoremap <C-f> :NERDTreeFind<CR>
let NERDTreeShowHidden=1

" Verticaly center document when entering insert mode
autocmd InsertEnter * norm zz

" Remove trailing whitespace on save
autocmd BufWritePre * %s/\s\+$//e

" Enable Disable auto comment
map <leader>c :setlocal formatoptions-=cro<CR>
map <leader>C :setlocal formatoptions=cro<CR>

" Enable spell checking, s for spell check
map <leader>s :setlocal spell! spelllang=en_us<CR>

" Enable Disable auto indent
map <leader>i :setlocal autoindent<Cr>
map <leader>I :setlocal noautoindent<Cr>

" Shortcutting split navigation
map <C-h> <C-w>h
map <C-j> <C-w>j
map <C-k> <C-w>k
map <C-l> <C-w>l

" Moving line up or down by one line
nmap <a-k> :m -2<CR>
nmap <a-up> :m -2<CR>
nmap <a-j> :m +1<CR>
nmap <a-down> :m +1<CR>

" Alias replace all to S
" nnoremap S :%s//gI<Left><Left><Left>
nnoremap S :%s//<Left>

" run current script with python3 by CTRL+R in command and insert mode
autocmd FileType python map <buffer> <C-r> :w<CR>:exec '!python3' shellescape(@%, 1)<CR>
autocmd FileType python imap <buffer> <C-r> <esc>:w<CR>:exec '!python3' shellescape(@%, 1)<CR>
autocmd FileType rust map <buffer> <C-r> :w<CR>:exec '!cargo run'<CR>
autocmd FileType rust imap <buffer> <C-r> :w<CR>:exec '!cargo run'<CR>

" Prettier configuration
let g:neoformat_enabled_python = ['autopep8']
let g:neoformat_try_node_exe = 1
autocmd BufWritePre,InsertLeave *.{py,rs,html,css,md,lua} Neoformat

" Find files using Telescope command-line sugar.
nnoremap <leader>ff <cmd>Telescope find_files hidden=true<cr>
nnoremap <leader>fg <cmd>Telescope live_grep<cr>
nnoremap <leader>fb <cmd>Telescope buffers<cr>
nnoremap <leader>fh <cmd>Telescope help_tags<cr>

lua << END
require('gitsigns').setup()
require('Comment').setup()
require 'colorizer'.setup()
require('crates').setup()
vim.opt.list = true
vim.opt.listchars:append "eol:↴"
vim.opt.listchars:append "space:⋅"
require('indent_blankline').setup({
    space_char_blankline = " ",
    show_end_of_line = true,
    show_current_context = true,
    show_current_context_start = true,
})
require("nvim-lsp-installer").setup({
    automatic_installation = true, -- automatically detect which servers to install (based on which servers are set up via lspconfig)
    ui = {
        icons = {
            server_installed = "✓",
            server_pending = "➜",
            server_uninstalled = "✗"
        }
    }
})
require('lualine').setup {
    options = {
        icons_enabled = true,
        theme = 'dracula',
        component_separators = { left = '', right = ''},
        section_separators = { left = '', right = ''},
        disabled_filetypes = {},
        always_divide_middle = true,
        globalstatus = false,
    },
    sections = {
        lualine_a = {'mode'},
        lualine_b = {'branch', 'diff', 'diagnostics'},
        lualine_c = {'filename'},
        lualine_x = {'encoding', 'fileformat', 'filetype'},
        lualine_y = {'progress'},
        lualine_z = {'location'}
    },
    inactive_sections = {
        lualine_a = {},
        lualine_b = {},
        lualine_c = {'filename'},
        lualine_x = {'location'},
        lualine_y = {},
        lualine_z = {}
    },
    tabline = {},
    extensions = {}
}
require('telescope').setup{
    defaults = {
        vimgrep_arguments = {
            'rg',
            '--with-filename',
            '--line-number',
            '--column',
            '--smart-case',
            '--no-ignore', -- **This is the added flag**
            '--hidden' -- **Also this flag. The combination of the two is the same as `-uu`**
        }
    }
}
-- To get fzf loaded and working with telescope, you need to call
-- load_extension, somewhere after setup function:
require('telescope').load_extension('fzf')
END

" LSP configs
lua << END
-- Mappings.
-- See `:help vim.diagnostic.*` for documentation on any of the below functions
local opts = { noremap=true, silent=true }
vim.keymap.set('n', '<space>e', vim.diagnostic.open_float, opts)
vim.keymap.set('n', '[d', vim.diagnostic.goto_prev, opts)
vim.keymap.set('n', ']d', vim.diagnostic.goto_next, opts)
vim.keymap.set('n', '<space>q', vim.diagnostic.setloclist, opts)

-- Use an on_attach function to only map the following keys
-- after the language server attaches to the current buffer
local on_attach = function(client, bufnr)
    -- Enable completion triggered by <c-x><c-o>
    vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')

    -- Mappings.
    -- See `:help vim.lsp.*` for documentation on any of the below functions
    local bufopts = { noremap=true, silent=true, buffer=bufnr }
    vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, bufopts)
    vim.keymap.set('n', 'gd', vim.lsp.buf.definition, bufopts)
    vim.keymap.set('n', 'K', vim.lsp.buf.hover, bufopts)
    vim.keymap.set('n', 'gi', vim.lsp.buf.implementation, bufopts)
    vim.keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, bufopts)
    vim.keymap.set('n', '<space>wa', vim.lsp.buf.add_workspace_folder, bufopts)
    vim.keymap.set('n', '<space>wr', vim.lsp.buf.remove_workspace_folder, bufopts)
    vim.keymap.set('n', '<space>wl', function()
    print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
    end, bufopts)
    vim.keymap.set('n', '<space>D', vim.lsp.buf.type_definition, bufopts)
    vim.keymap.set('n', '<space>rn', vim.lsp.buf.rename, bufopts)
    vim.keymap.set('n', '<space>ca', vim.lsp.buf.code_action, bufopts)
    vim.keymap.set('n', 'gr', vim.lsp.buf.references, bufopts)
    vim.keymap.set('n', '<space>f', vim.lsp.buf.formatting, bufopts)
end

local lsp_flags = {
    -- This is the default in Nvim 0.7+
    debounce_text_changes = 150,
}
END


" cmp configs
set completeopt=menu,menuone,noselect

lua <<EOF
-- Setup nvim-cmp.
local cmp = require'cmp'

cmp.setup({
snippet = {
    -- REQUIRED - you must specify a snippet engine
    expand = function(args)
    vim.fn["vsnip#anonymous"](args.body) -- For `vsnip` users.
    -- require('luasnip').lsp_expand(args.body) -- For `luasnip` users.
    -- require('snippy').expand_snippet(args.body) -- For `snippy` users.
    -- vim.fn["UltiSnips#Anon"](args.body) -- For `ultisnips` users.
    end,
},
window = {
    -- completion = cmp.config.window.bordered(),
    -- documentation = cmp.config.window.bordered(),
},
mapping = cmp.mapping.preset.insert({
    ['<C-b>'] = cmp.mapping.scroll_docs(-4),
    ['<C-f>'] = cmp.mapping.scroll_docs(4),
    ['<C-Space>'] = cmp.mapping.complete(),
    ['<C-e>'] = cmp.mapping.abort(),
    ['<CR>'] = cmp.mapping.confirm({ select = true }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
}),
sources = cmp.config.sources({
    { name = 'nvim_lsp' },
    { name = 'vsnip' }, -- For vsnip users.
    -- { name = 'luasnip' }, -- For luasnip users.
    -- { name = 'ultisnips' }, -- For ultisnips users.
    -- { name = 'snippy' }, -- For snippy users.
}, {
    { name = 'buffer' },
    })
})

-- Set configuration for specific filetype.
cmp.setup.filetype('gitcommit', {
sources = cmp.config.sources({
    { name = 'cmp_git' }, -- You can specify the `cmp_git` source if you were installed it.
}, {
    { name = 'buffer' },
    })
})

-- Use buffer source for `/` (if you enabled `native_menu`, this won't work anymore).
cmp.setup.cmdline('/', {
mapping = cmp.mapping.preset.cmdline(),
sources = {
    { name = 'buffer' }
}
})

-- Use cmdline & path source for ':' (if you enabled `native_menu`, this won't work anymore).
cmp.setup.cmdline(':', {
mapping = cmp.mapping.preset.cmdline(),
sources = cmp.config.sources({
    { name = 'path' }
}, {
    { name = 'cmdline' }
})
})

-- Setup lspconfig.
local capabilities = require('cmp_nvim_lsp').update_capabilities(vim.lsp.protocol.make_client_capabilities())
-- Replace <YOUR_LSP_SERVER> with each lsp server you've enabled.
require('lspconfig')['pyright'].setup{
    on_attach = on_attach,
    flags = lsp_flags,
}
require('lspconfig')['rust_analyzer'].setup{
    on_attach = on_attach,
    flags = lsp_flags,
    -- Server-specific settings...
    settings = {
      ["rust-analyzer"] = {}
    }
}
require('lspconfig')['bashls'].setup{}
require('lspconfig')['cssls'].setup{}
require('lspconfig')['emmet_ls'].setup{}
require('lspconfig')['ltex'].setup{}
require('lspconfig')['marksman'].setup{}
require('lspconfig')['taplo'].setup{}
require('lspconfig')['vimls'].setup{}
require('lspconfig')['yamlls'].setup{}
EOF

lua <<EOF
require'nvim-treesitter.configs'.setup {
  highlight = {
    enable = true,
    -- Setting this to true will run `:h syntax` and tree-sitter at the same time.
    -- Set this to `true` if you depend on 'syntax' being enabled (like for indentation).
    -- Using this option may slow down your editor, and you may see some duplicate highlights.
    -- Instead of true it can also be a list of languages
    additional_vim_regex_highlighting = false,
  },
}
EOF