-- Map Leader
vim.g.mapleader = " "
vim.g.maplocalleader = " "

-- Use Nerd Font
vim.g.have_nerd_font = true

-- Add vertical line
-- vim.opt.colorcolumn = "100"

-- Enable TrueColor
vim.opt.termguicolors = true

-- Disable Neovim background
vim.api.nvim_set_hl(0, "Normal", { bg = "none" })
vim.api.nvim_set_hl(0, "NormalFloat", { bg = "none" })

-- Scroll lines/columns
vim.opt.mousescroll = "hor:1,ver:1"

-- Set indentation preferences
vim.opt.expandtab = true -- Convert tabs to spaces
vim.opt.shiftwidth = 2 -- Number of spaces for auto-indent
vim.opt.tabstop = 2 -- Number of spaces a tab counts for
vim.opt.softtabstop = 2 -- Number of spaces a tab counts for when editing
vim.opt.autoindent = true -- Copy indent from current line when starting new line
vim.opt.smartindent = true -- Do smart autoindenting when starting a new line

-- Disable line wrapping
vim.opt.wrap = false

-- Enable break indent
vim.opt.breakindent = true

-- Make line numbers default
vim.opt.number = true
vim.opt.relativenumber = true

-- Enable mouse mode, can be useful for resizing splits for example
vim.opt.mouse = "a"

-- Full path on status line
vim.opt.statusline = "%F%m%r%h%w%=%l,%c %P"

-- Sync clipboard between OS and Neovim
vim.schedule(function()
	vim.opt.clipboard = "unnamedplus"
end)

-- Save undo history
vim.opt.undofile = true

-- Case-insensitive searching UNLESS \C or one or more capital letters in the search term
vim.opt.ignorecase = true
vim.opt.smartcase = true

-- Decrease update time
vim.opt.updatetime = 250

-- Decrease mapped sequence wait time
-- Displays which-key popup sooner
vim.opt.timeoutlen = 300

-- Configure how new splits should be opened
vim.opt.splitright = true
vim.opt.splitbelow = true

-- Sets how neovim will display certain whitespace characters in the editor.
vim.opt.list = true
vim.opt.listchars = { tab = "» ", trail = "·", nbsp = "␣" }

-- Preview substitutions live, as you type
vim.opt.inccommand = "split"

-- Show which line your cursor is on
vim.opt.cursorline = true

-- Minimal number of screen lines to keep above and below the cursor
vim.opt.scrolloff = 10

-- Highlight when yanking (copying) text
vim.api.nvim_create_autocmd("TextYankPost", {
	callback = function()
		vim.highlight.on_yank()
	end,
})

-- Keymaps

local remap = require("utils.remap")

remap.nmap("<leader>q", vim.diagnostic.setloclist, { desc = "Open diagnostic [Q]uickfix list" })

remap.imap("jk", "<Esc>", { desc = "Exit insert mode with jk" })
remap.nmap("<Esc>", "<cmd>nohlsearch<CR>", { desc = "Clear highlights" })

-- Prevent "x" from overriding the register
remap.nmap("x", '"_x')

--  Window Navigation
remap.nmap("<C-h>", "<C-w>h", { desc = "Move focus to the left window" })
remap.nmap("<C-l>", "<C-w>l", { desc = "Move focus to the right window" })
remap.nmap("<C-j>", "<C-w>j", { desc = "Move focus to the lower window" })
remap.nmap("<C-k>", "<C-w>k", { desc = "Move focus to the upper window" })

-- Tab management
remap.nmap("<Leader>tn", ":tabnew<CR>", { desc = "[T]ab [N]ew" })
remap.nmap("<Leader>tc", ":tabclose<CR>", { desc = "[T]ab [C]lose" })
remap.nmap("<Leader>to", ":tabonly<CR>", { desc = "[T]ab [O]nly" })
remap.nmap("<Leader>tl", ":tabnext<CR>", { desc = "[T]ab Next" })
remap.nmap("<Leader>th", ":tabprevious<CR>", { desc = "[T]ab Previous" })
remap.nmap("<Leader>tm.", ":tabmove +1<CR>", { desc = "[T]ab [M]ove Right" })
remap.nmap("<Leader>tm,", ":tabmove -1<CR>", { desc = "[T]ab [M]ove Left" })
for i = 1, 9 do
	remap.nmap(string.format("<Leader>%d", i), string.format("%dgt", i), { desc = string.format("[T]ab %d", i) })
end

-- Buffer Management
remap.nmap("<Leader>bl", ":ls<CR>", { desc = "[B]uffer [L]ist" })
remap.nmap("<Leader>bd", ":bdelete<CR>", { desc = "[B]uffer [D]elete" })
remap.nmap("]b", ":bnext<CR>", { desc = "[B]uffer [N]ext" })
remap.nmap("[b", ":bprevious<CR>", { desc = "[B]uffer [P]revious" })
remap.nmap("<Leader>bb", ":b<Space>", { desc = "[B]uffer Select" })
remap.nmap("<Leader>bo", ":bufdo bd|1bd<CR>", { desc = "[B]uffer Delete Others" })

-- Terminal
remap.nmap("<Leader>tet", function()
	vim.cmd("terminal")
	vim.cmd("startinsert")
end, { desc = "[T]erminal" })
remap.nmap("<leader>ter", function()
	local buf_dir = vim.fn.expand("%:p:h")
	vim.cmd("edit term://" .. buf_dir .. "//zsh")
	vim.cmd("startinsert")
end, { desc = "[T]erminal [R]elative" })
remap.tmap("<Esc>", "<C-\\><C-n>", { desc = "Terminal Normal Mode" })
remap.tmap("jk", "<C-\\><C-n>", { desc = "Terminal Normal Mode" })
remap.tmap("<C-w>", "<C-\\><C-n><C-w>", { desc = "Terminal Window Command" })