vim.g.mapleader = "\\"
vim.cmd("colorscheme slate")

vim.opt.ww = "<,>,[,],h,l"
vim.opt.linebreak = true
vim.opt.number = true
vim.opt.ruler = true
vim.opt.expandtab = true
vim.opt.shiftwidth = 4
vim.opt.tabstop = 4
vim.opt.smarttab = true

-- writing mode for markdown files
vim.api.nvim_create_autocmd("FileType", {
  pattern = { "markdown", "text", "tex" },
  callback = function()
    vim.opt_local.spell = true
    vim.keymap.set("n", "j", "gj", { buffer = true })
    vim.keymap.set("n", "k", "gk", { buffer = true })
  end,
})

-- Bootstrap lazy.nvim (from https://lazy.folke.io/installation)
local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
if not (vim.uv or vim.loop).fs_stat(lazypath) then
  local lazyrepo = "https://github.com/folke/lazy.nvim.git"
  local out = vim.fn.system({ "git", "clone", "--filter=blob:none", "--branch=stable", lazyrepo, lazypath })
  if vim.v.shell_error ~= 0 then
    vim.api.nvim_echo({
      { "Failed to clone lazy.nvim:\n", "ErrorMsg" },
      { out, "WarningMsg" },
      { "\nPress any key to exit..." },
    }, true, {})
    vim.fn.getchar()
    os.exit(1)
  end
end
vim.opt.rtp:prepend(lazypath)

require("lazy").setup({
    -- Better syntax highlighting
    {
        "nvim-treesitter/nvim-treesitter",
        lazy = false,
        build = ":TSUpdate",
    },

    -- temporarily disable b/c it wasn't working
    -- { "arborist-ts/arborist.nvim" }, -- replacement for treesitter w/ auto-install on opening files
 
    -- LSP configs
    { "neovim/nvim-lspconfig" },

    { "mason-org/mason.nvim" },

    { "mason-org/mason-lspconfig.nvim",
        opts = {
            ensure_installed = { "pyright", "ts_ls", "clangd" },
        },
        dependencies = {
          { "mason-org/mason.nvim", opts = {} },
          "neovim/nvim-lspconfig",
        },
    },

    { "saghen/blink.cmp",
        version = "1.*",
        dependencies = { 'rafamadriz/friendly-snippets' },
        opts = {
            keymap = { 
                preset = "default",
                ['<CR>'] = { 'select_and_accept', 'fallback' }, 
                ['<Tab>'] = { 'snippet_forward', 'select_and_accept', 'fallback' },
            },
            completion = {
                documentation = { auto_show = true },
            },
            sources = { default = { 'lsp', 'path' } }, -- add 'snippets' for e.g. a pre-formatted `for` loop
        },
    },
})

-- require("arborist").setup({
--     install_popular = false,
--     prefer_wasm = false,
-- })

-- turn on treesitter highlighting
vim.api.nvim_create_autocmd('FileType', {
    pattern = { '*' },
    callback = function() 
        pcall(vim.treesitter.start)
    end,
})

-- LSP stuff
vim.keymap.set('n', ' ', vim.lsp.buf.hover, {})
vim.keymap.set('n', 'gd', vim.lsp.buf.definition, {})
vim.keymap.set('n', 'gD', vim.lsp.buf.references, {})
vim.keymap.set('n', 'cd', vim.lsp.buf.rename, {})
vim.keymap.set('n', 'g.', vim.lsp.buf.code_action, {})
vim.keymap.set("n", "<leader>e", vim.diagnostic.open_float)