-------------------------------------------------------------------
-- Settings
-------------------------------------------------------------------
vim.opt.winborder = "rounded"
vim.opt.hlsearch = false
vim.opt.tabstop = 4
vim.opt.cursorcolumn = false
vim.opt.ignorecase = true
vim.opt.shiftwidth = 4
vim.opt.smartindent = true
vim.opt.number = true
vim.opt.relativenumber = true
vim.opt.termguicolors = true
vim.opt.undofile = true
vim.opt.signcolumn = "yes"
vim.g.netrw_banner = 0       -- gets rid of the annoying banner for netrw
vim.g.netrw_browse_split = 4 -- open in prior window
vim.g.netrw_altv = 1         -- change from left splitting to right splitting
vim.g.netrw_liststyle = 3    -- tree style view in netrw

-------------------------------------------------------------------
-- Autocommands
-------------------------------------------------------------------
-- -- show cursor line only in active window
-- local cursorLineGrp = vim.api.nvim_create_augroup("CursorLine", { clear = true })
-- vim.api.nvim_create_autocmd(
-- 	{ "InsertLeave", "WinEnter" },
-- 	{ pattern = "*", command = "set cursorline", group = cursorLineGrp }
-- )
-- vim.api.nvim_create_autocmd(
-- 	{ "InsertEnter", "WinLeave" },
-- 	{ pattern = "*", command = "set nocursorline", group = cursorLineGrp }
-- )
-- vim.api.nvim_create_autocmd(
-- 	{ "InsertLeave", "FocusGained" },
-- 	{ pattern = "*", command = "set cursorline", group = cursorLineGrp }
-- )
-- vim.api.nvim_create_autocmd(
-- 	{ "InsertEnter", "FocusLost" },
-- 	{ pattern = "*", command = "set nocursorline", group = cursorLineGrp }
-- )

-------------------------------------------------------------------
-- Plugin installation
-------------------------------------------------------------------
vim.pack.add({
	{ src = "https://git.cmtec.se/cm/nightly_cm.nvim.git" },
	{ src = "https://github.com/mrjones2014/smart-splits.nvim" },
	{ src = "https://github.com/nvim-lua/plenary.nvim" },
	{ src = "https://github.com/kdheepak/lazygit.nvim" },
	{ src = "https://github.com/echasnovski/mini.icons" },
	{ src = "https://github.com/echasnovski/mini.statusline" },
	{ src = "https://github.com/echasnovski/mini.pick" },
	{ src = 'https://github.com/neovim/nvim-lspconfig' },
	{ src = 'https://github.com/lewis6991/gitsigns.nvim' },
	{ src = 'https://github.com/MunifTanjim/nui.nvim' },
	{ src = 'https://github.com/folke/noice.nvim' },
})

-------------------------------------------------------------------
-- Plugin config
-------------------------------------------------------------------
-- colorscheme
vim.cmd.colorscheme("nightly_cm")
require "noice".setup()
require "mini.pick".setup()
require "mini.statusline".setup()
require "gitsigns".setup({
	signs = {
		add = { text = "▎" },
		change = { text = "▎" },
		delete = { text = "▎" },
		topdelete = { text = "▎" },
		changedelete = { text = "▎" },
		untracked = { text = "▎" },
	},
	preview_config = {
		-- Options passed to nvim_open_win
		border = "solid",
		style = "minimal",
		relative = "cursor",
		row = 0,
		col = 1,
	},
})
-------------------------------------------------------------------
-- LSP config
-------------------------------------------------------------------
vim.lsp.enable({ "lua_ls", "rust_analyzer", "bashls", "pyright", "marksman", "clangd", "yamlls" })
-- prevent the built-in vim.lsp.completion autotrigger from selecting the first item
vim.opt.completeopt = { "menuone", "popup", "noselect" }
vim.api.nvim_create_autocmd("LspAttach", {
	callback = function(ev)
		local client = vim.lsp.get_client_by_id(ev.data.client_id)
		if client ~= nil and client:supports_method("textDocument/completion") then
			vim.lsp.completion.enable(true, client.id, ev.buf, { autotrigger = true })
		end
	end,
})
vim.diagnostic.config({
	severity_sort = true,
	float = { border = "rounded", source = "if_many" },
	underline = { severity = vim.diagnostic.severity.ERROR },
	signs = {
		text = {
			[vim.diagnostic.severity.ERROR] = "󰅚 ",
			[vim.diagnostic.severity.WARN] = "󰀪 ",
			[vim.diagnostic.severity.INFO] = "󰋽 ",
			[vim.diagnostic.severity.HINT] = "󰌶 ",
		},
	} or {},
	virtual_text = {
		source = "if_many",
		spacing = 2,
		format = function(diagnostic)
			local diagnostic_message = {
				[vim.diagnostic.severity.ERROR] = diagnostic.message,
				[vim.diagnostic.severity.WARN] = diagnostic.message,
				[vim.diagnostic.severity.INFO] = diagnostic.message,
				[vim.diagnostic.severity.HINT] = diagnostic.message,
			}
			return diagnostic_message[diagnostic.severity]
		end,
	},
})

-------------------------------------------------------------------
-- Keybindings
-------------------------------------------------------------------
local map = vim.keymap.set
vim.g.mapleader = " "
-- QoL bindings
map('i', 'jj', '<Esc>', { noremap = true, silent = true })
map('n', '<leader>u', ':update<CR> :source<CR>', { noremap = true, silent = true })
map('n', '<leader>w', ':write<CR>', { noremap = true, silent = true })
map('n', '<leader>q', ':quit<CR>', { noremap = true, silent = true })
map('n', '<leader>v', ':vsplit<CR>', { noremap = true, silent = true })

-- Git
map('n', '<leader>g', ':LazyGitCurrentFile<CR>', { noremap = true, silent = true })

-- File browser
map('n', '<leader>e', ':25Lex<CR>', { noremap = true, silent = true })
map('n', '<leader>f', ":Pick files<CR>", { noremap = true, silent = true })
map('n', '<leader>h', ":Pick help<CR>", { noremap = true, silent = true })

-- LSP
map('n', '<leader>lf', vim.lsp.buf.format, { noremap = true, silent = true })

-- Global Copy/Paste
map({ 'n', 'v' }, '<leader>y', '"+y', { noremap = true, silent = true })
map({ 'n', 'v' }, '<leader>d', '"+d', { noremap = true, silent = true })
map({ 'n', 'v' }, '<leader>c', '1z=', { noremap = true, silent = true })

-- Smart splits to support TMUX
map({ "n", "t" }, "<A-h>", require("smart-splits").resize_left, { desc = "Resize left" })
map({ "n", "t" }, "<A-j>", require("smart-splits").resize_down, { desc = "Resize down" })
map({ "n", "t" }, "<A-k>", require("smart-splits").resize_up, { desc = "Resize up" })
map({ "n", "t" }, "<A-l>", require("smart-splits").resize_right, { desc = "Resize right" })
map({ "n", "t" }, "<C-h>", require("smart-splits").move_cursor_left, { desc = "Move cursor left" })
map({ "n", "t" }, "<C-j>", require("smart-splits").move_cursor_down, { desc = "Move cursor down" })
map({ "n", "t" }, "<C-k>", require("smart-splits").move_cursor_up, { desc = "Move cursor up" })
map({ "n", "t" }, "<C-l>", require("smart-splits").move_cursor_right, { desc = "Move cursor right" })
map("n", "<leader><leader>h", require("smart-splits").swap_buf_left, { desc = "Swap buffer left" })
map("n", "<leader><leader>j", require("smart-splits").swap_buf_down, { desc = "Swap buffer down" })
map("n", "<leader><leader>k", require("smart-splits").swap_buf_up, { desc = "Swap buffer up" })
map("n", "<leader><leader>l", require("smart-splits").swap_buf_right, { desc = "Swap buffer right" })