vim.o.number = true
vim.o.relativenumber = true
vim.o.signcolumn = "yes"
vim.o.wrap = false
vim.o.tabstop = 2
vim.o.shiftwidth = 2
vim.o.softtabstop = 2
vim.o.expandtab = true
vim.o.swapfile = false
vim.g.mapleader = " "
vim.o.clipboard = "unnamedplus"
vim.o.undofile = true
vim.o.cursorline = false
vim.o.title = true

-- packages
vim.pack.add({
  { src = "https://github.com/sainnhe/everforest" },
  { src = "https://github.com/nvim-lualine/lualine.nvim" },
  { src = "https://github.com/lewis6991/gitsigns.nvim" },
  { src = "https://github.com/cappyzawa/trim.nvim" },
  { src = "https://github.com/nvim-treesitter/nvim-treesitter" },
  { src = "https://github.com/lukas-reineke/indent-blankline.nvim" },
  { src = "https://github.com/nvim-telescope/telescope.nvim" },
  { src = "https://github.com/nvim-telescope/telescope-ui-select.nvim" },
  { src = "https://github.com/nvim-lua/plenary.nvim" },
  { src = "https://github.com/hrsh7th/cmp-nvim-lsp" },
  { src = "https://github.com/hrsh7th/nvim-cmp" },
  { src = "https://github.com/L3MON4D3/LuaSnip" },
  { src = "https://github.com/saadparwaiz1/cmp_luasnip" },
  { src = "https://github.com/rafamadriz/friendly-snippets" },
})

-- telescope
local telescope = require("telescope")
telescope.setup({
  defaults = {
    preview = { treesitter = false },
    color_devicons = true,
    sorting_strategy = "ascending",
    borderchars = {
      "─", -- top
      "│", -- right
      "─", -- bottom
      "│", -- left
      "┌", -- top-left
      "┐", -- top-right
      "┘", -- bottom-right
      "└", -- bottom-left
    },
    path_displays = { "smart" },
    layout_config = {
      height = 100,
      width = 400,
      prompt_position = "top",
      preview_cutoff = 40,
    }
  }
})
telescope.load_extension("ui-select")
local builtin = require("telescope.builtin")

-- binds
vim.keymap.set('n', '<leader>lf', vim.lsp.buf.format)
vim.api.nvim_set_keymap('n', ',c', ':w! | !compiler "%:p"<CR>', { noremap = true, silent = true })
vim.keymap.set({ "n" }, "<leader>f", builtin.find_files, { desc = "Telescope live grep" })
vim.keymap.set({ "n" }, "<leader>g", builtin.live_grep, { desc = "Telescope live grep" })

-- lsp
vim.lsp.enable({
  "lua_ls", "clangd", "rust_analyzer", "bashls",
  "html", "cssls", "jsonls", "yamlls"
})

vim.diagnostic.config({
  virtual_text = {
    prefix = '',
    spacing = 4,
  },
  signs = {
    text = {
      [vim.diagnostic.severity.ERROR] = '',
      [vim.diagnostic.severity.WARN] = '',
    },
    linehl = {
      [vim.diagnostic.severity.ERROR] = 'ErrorMsg',
    },
    numhl = {
      [vim.diagnostic.severity.WARN] = 'WarningMsg',
    },
  },
  underline = true,
  update_in_insert = true,
  severity_sort = true,
})

-- plugins
require('lualine').setup({})
require("gitsigns").setup()
require("trim").setup({})
require("nvim-treesitter.configs").setup({
  ensure_installed = {
    "bash",
    "lua",
    "javascript",
    "c",
    "cpp",
    "json",
    "go",
    "markdown",
    "meson",
    "make",
    "cmake",
    "python",
    "rust",
    "yaml",
    "toml",
    "ron",
  },
  highlight = { enable = true },
  indent = { enable = true },
})
require("ibl").setup({})

local cmp = require 'cmp'
cmp.setup({
  snippet = {
    expand = function(args)
      require('luasnip').lsp_expand(args.body)
    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 }),
  }),
  sources = cmp.config.sources({
    { name = 'nvim_lsp' },
    { name = 'luasnip' },
  }, {
    { name = 'buffer' },
  })
})

-- theme
-- vim.g.everforest_enable_italic = true
-- vim.g.everforest_transparent_background = true
vim.cmd("colorscheme everforest")