vim.g.mapleader = ","
vim.g.maplocalleader = ","

vim.opt.shell = "bash"
vim.opt.fileformats = { "unix", "dos", "mac" }

vim.opt.mouse = "a"
vim.opt.clipboard = "unnamedplus"
vim.opt.breakindent = true
vim.opt.undofile = true

vim.opt.updatetime = 250
vim.opt.timeoutlen = 1000

vim.opt.splitright = true
vim.opt.splitbelow = true
vim.opt.scrolloff = 8

-- vim.opt.autochdir = true

-- Tabs
vim.opt.shiftwidth = 4
vim.opt.softtabstop = 4
vim.opt.tabstop = 4

-- UI
vim.opt.matchtime = 2
vim.opt.number = true
vim.opt.numberwidth = 4
vim.opt.relativenumber = true
vim.opt.showmatch = true
vim.opt.spelllang = "en_us"
vim.opt.wildmode = "list:longest"
vim.opt.cursorline = true

-- Indent
vim.opt.copyindent = true
vim.opt.preserveindent = true
vim.opt.smartindent = true
vim.opt.shiftround = true

-- Text Formatting/Layout
vim.opt.ignorecase = true
vim.opt.list = true
vim.opt.listchars = { tab = "» ", trail = "·", nbsp = "␣" }
vim.opt.inccommand = "split"
vim.opt.smartcase = true
vim.opt.wrap = false
vim.opt.whichwrap:append {
  ["<"] = true,
  [">"] = true,
  ["["] = true,
  ["]"] = true,
}

vim.api.nvim_create_user_command("W", "write", {})
vim.api.nvim_create_user_command("Q", "qall!", {})

-- Create a floating terminal
vim.api.nvim_create_user_command("FloaTerm", require("core.toggle_terminal"), {
  desc = "Toggle a floating terminal",
})

-- highlight text on copy
vim.api.nvim_create_autocmd("TextYankPost", {
  desc = "Highlight when yanking (copying) text",
  callback = vim.highlight.on_yank,
  group = vim.api.nvim_create_augroup("kickstart-highlight-yank", {
    clear = true,
  }),
})

local toggle_terminal = require("core.toggle_terminal")

vim.keymap.set("n", "<leader>l", ":nohlsearch<CR>", { desc = "clear highlighted search" })
vim.keymap.set("n", "<leader>ts", [[:%s/\s\s*$//g<CR>]], { desc = "[T]rim trailing [S]pace" })
vim.keymap.set("n", "<leader>ss", ":setlocal spell!<CR>", { desc = "[S]et [S]pell" })
vim.keymap.set("n", "<leader>p", ":set paste!<CR>", { desc = "[P]aste" })
vim.keymap.set("n", "<leader>nn", ":set nonumber norelativenumber<CR>", { desc = "[N]o [N]umber removed number and relative number" })
vim.keymap.set("n", "<leader>rn", ":set number relativenumber<CR>", { desc = "[R]elative [N]umber - set relative number and absolute number" })

vim.keymap.set("n", "[d", vim.diagnostic.goto_prev, { desc = "Go to previous [D]iagnostic message" })
vim.keymap.set("n", "]d", vim.diagnostic.goto_next, { desc = "Go to next [D]iagnostic message" })
vim.keymap.set("n", "<leader>e", vim.diagnostic.open_float, { desc = "Show diagnostic [E]rror messages" })
vim.keymap.set("n", "<leader>q", vim.diagnostic.setloclist, { desc = "Open diagnopstic [Q]uickfix list" })

-- Use <Ctrl-h/j/k/l> to move between windows, no need for <Ctrl-w> first
vim.keymap.set("n", "<C-j>", "<C-w><C-j>", { desc = "Move focus up window" })
vim.keymap.set("n", "<C-k>", "<C-w><C-k>", { desc = "Move focus down window" })
vim.keymap.set("n", "<C-h>", "<C-w><C-h>", { desc = "Move focus left window" })
vim.keymap.set("n", "<C-l>", "<C-w><C-l>", { desc = "Move focus right window" })

vim.keymap.set({ "n", "t" }, "<leader>tt", toggle_terminal)
vim.keymap.set("t", "<esc><esc>", "<c-\\><c-n>")