---@diagnostic disable: undefined-global

vim.o.termguicolors = true
vim.o.relativenumber = true
vim.o.number = true
vim.o.cursorline = true
vim.o.cursorlineopt = "line"
vim.o.cc = "80"
vim.o.swapfile = false
vim.o.splitright = true
vim.o.splitbelow = true
vim.o.winborder = "bold"
vim.o.signcolumn = "yes"
vim.o.guicursor =
  "n-v:block,i:ver25,r:hor100,i-r:blinkon100,i-r:blinkoff100,n-v:blinkon0"

local tabwidth = 2
vim.o.tabstop = tabwidth
vim.o.softtabstop = tabwidth
vim.o.shiftwidth = tabwidth
vim.o.expandtab = true

require("packer").startup(function(use)
  use {"wbthomason/packer.nvim"}
  use {"ibhagwan/fzf-lua"}
  use {"stevearc/oil.nvim"}
  use {"lewis6991/gitsigns.nvim"}
  use {"williamboman/mason.nvim"}
  use {"neovim/nvim-lspconfig"}
  use {"nvim-treesitter/nvim-treesitter"}
end)

require("gitsigns").setup({})
require("mason").setup({})
require("oil").setup({})
require("fzf-lua").setup(require("fzf-lua.profiles.telescope"))
require("nvim-treesitter.configs").setup({
	ensure_installed = {"lua", "c"},
	highlight = {enable = true}
})

vim.cmd.colorscheme("mine")

vim.g.mapleader = " "
-- $ is actually so incredibly annoying and I hate it so much ugh
vim.keymap.set({"n", "v", "o"}, "+", "$", {})
vim.keymap.set({"n", "v"}, "<leader>s", ":noh<CR>", {silent=true})
vim.keymap.set("n", "<leader>e", ":Oil<CR>", {})
vim.keymap.set("n", "<C-o>", function() FzfLua.files({}) end, {})
vim.keymap.set("n", "<C-f>", function() FzfLua.grep() end, {})

local function scroll(cmd)
  return function()
    return math.floor(vim.fn.winheight(0) / 4) .. cmd
  end
end
vim.keymap.set("n", "<C-d>", scroll("<C-e>"), {expr=true, noremap=true})
vim.keymap.set("n", "<C-u>", scroll("<C-y>"), {expr=true, noremap=true})

require("lspconfig").lua_ls.setup {
  settings = {
    Lua = {
      runtime = {
        version = "LuaJIT"
      },
      ["diagnostics.disable"] = {
        "lowercase-global",
      }
    }
  }
}

vim.lsp.enable({"lua_ls", "clangd"})
vim.api.nvim_create_autocmd("LspAttach", {
	callback = function(ev)
    local client = vim.lsp.get_client_by_id(ev.data.client_id)

    -- trigger autocomplete on every keystroke
    local chars = {}
    for i = 32, 126 do
      table.insert(chars, string.char(i))
    end
    client.server_capabilities.completionProvider.triggerCharacters = chars

    if client:supports_method("textDocument/completion") then
      vim.lsp.completion.enable(true, client.id, ev.buf, {autotrigger = true})
    end
	end,
})
vim.cmd("set completeopt+=menu,menuone,noinsert")
vim.diagnostic.config({virtual_text = true})