local cmd = vim.cmd  -- to execute Vim commands e.g. cmd('pwd')
local fn = vim.fn    -- to call Vim functions e.g. fn.bufnr()
local g = vim.g      -- a table to access global variables
local opt = vim.opt  -- to set options
local utils = require('utils')

-------------------- PACKER --------------------------------
-- Auto install packer.nvim if not exists
local install_path = fn.stdpath('data')..'/site/pack/packer/start/packer.nvim'
if fn.empty(fn.glob(install_path)) > 0 then
  fn.system({'git', 'clone', '--depth', '1', 'https://github.com/wbthomason/packer.nvim', install_path})
  vim.cmd 'packadd packer.nvim'
end
vim.cmd [[packadd packer.nvim]]
-------------------- EXTERNAL ------------------------------
require('my_plugins')
require('my_keymappings')
require('my_options')
require("my_autocommands")

-- plugins
require('my_telescope')
require('my_lspinstall')
require('my_cmp')
require('my_neogen')
-------------------- TREE-SITTER ---------------------------
require('nvim-treesitter.configs').setup({
  ensure_installed = 'maintained',
  highlight = {
    enable = true
  }
})
-------------------- GITSIGNS ------------------------------
require('gitsigns').setup({
  current_line_blame = true,
  current_line_blame_opts = {
    virt_text = true,
    virt_text_pos = 'right_align', -- 'eol' | 'overlay' | 'right_align'
    delay = 1000,
    ignore_whitespace = false,
  },
})
-------------------- NVIM-TREE -----------------------------
require('nvim-tree').setup({
  auto_close = true,
  update_cwd  = true,
  update_to_buf_dir   = {
    -- enable the feature
    enable = true,
    -- allow to open the tree if it was previously closed
    auto_open = false,
  },
  update_focused_file = {
    enable      = true,
    update_cwd  = false,
    ignore_list = {}
  },
   diagnostics = {
    enable = true,
    icons = {
      hint = "",
      info = "",
      warning = "",
      error = "",
    }
  },
})
utils.map('n', '<leader>tt', '<cmd>NvimTreeToggle<CR>')
g.nvim_tree_highlight_opened_files = 1
g.nvim_tree_respect_buf_cwd = 1
-------------------- COMMENTED -----------------------------
require('Comment').setup({
  toggler = {
    ---line-comment toggle
    line = '<leader>cc',
  },
  opleader = {
    ---line-comment opfunc mapping
    line = '<leader>c',
  },
})
-------------------- CMAKE ---------------------------------
require('telescope').load_extension('cmake')
require('cmake').setup({
  parameters_file = 'neovim.json', -- JSON file to store information about selected target, run arguments and build type.
  build_dir = '{cwd}/build_nvim', -- Build directory. The expressions `{cwd}`, `{os}` and `{build_type}` will be expanded with the corresponding text values.
})
utils.map('n', '<F5>', ':CMake build<CR>:copen<CR>')

-- msbuild errorformat
opt.errorformat:append("\\ %#%f(%l\\\\\\,%c):\\ %m")
-- cl.exe errorformat
-- o.errorformat:append('\ %#%f(%l) : %#%t%[A-z]%# %m')

-------------------- LUALINE -------------------------------
require('lualine').setup {
  options = {theme = 'gruvbox-material'},
  sections = {lualine_c = {'getcwd', {'filename', path = 1, file_status = true}}},
  inactive_sections = {lualine_c = {'getcwd', {'filename', path = 1, file_status = true}}}
}
-------------------- PROJECT -------------------------------
require("project_nvim").setup {
  silent_chdir = true,
}
require('telescope').load_extension('projects')
utils.map('n', '<space>p', '<cmd>Telescope projects<cr>')
-------------------- TS-RAINBOW ----------------------------
require'nvim-treesitter.configs'.setup {
  rainbow = {
    enable = true,
    extended_mode = true, -- Also highlight non-bracket delimiters like html tags, boolean or table: lang -> boolean
    max_file_lines = nil, -- Do not enable for files with more than n lines, int
    -- colors = {}, -- table of hex strings
    -- termcolors = {} -- table of colour name strings
  }
}
-------------------- LUASNIP -------------------------------
require("luasnip.loaders.from_vscode").load()
-------------------- AUTOPAIRS -----------------------------
require('nvim-autopairs').setup{}
-------------------- FZF NATIVE ----------------------------
require('telescope').load_extension('fzf')
-------------------- TERMINAL ------------------------------
require('nvim-terminal').setup({
   toggle_keymap = '<leader>z',
})
-------------------- INDENT-BLANKLINE ----------------------
opt.listchars:append("eol:↴")
-- opt.listchars:append("space: ")
opt.listchars:append("trail: ")
opt.listchars:append("tab:→ ")

require("indent_blankline").setup {
  show_end_of_line = true,
  use_treesitter = true,
  show_current_context = true,
  context_patterns = {'class', 'function', 'method', 'block', '^if', '^for', '^while'},
}